Fix format for integer amounts (#231)

* support both fractions and integer values

* test fractions

* prettier

jest.config.ts

@@ -0,0 +1,18 @@
+import type { Config } from 'jest'
+import nextJest from 'next/jest.js'
+ 
+const createJestConfig = nextJest({
+  // Provide the path to your Next.js app to load next.config.js and .env files in your test environment
+  dir: './',
+})
+ 
+// Add any custom config to be passed to Jest
+const config: Config = {
+  coverageProvider: 'v8',
+  testEnvironment: 'jsdom',
+  // Add more setup options before each test is run
+  // setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
+}
+ 
+// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
+export default createJestConfig(config)

messages/de-DE.json

@@ -0,0 +1,396 @@
+{
+  "Homepage": {
+    "title": "Teile <strong>Ausgaben</strong> mit <strong>Freunden & Familie</strong>",
+    "description": "Willkommen zu deiner neuen <strong>Spliit</strong>-Instanz!",
+    "button": {
+      "groups": "Zu den Gruppen",
+      "github": "GitHub"
+    }
+  },
+  "Header": {
+    "groups": "Gruppen"
+  },
+  "Footer": {
+    "madeIn": "Entwickelt in Montréal, Québec 🇨🇦",
+    "builtBy": "Erstellt von <author>Sebastien Castiel</author> und <source>Mitwirkenden</source>"
+  },
+  "Expenses": {
+    "title": "Ausgaben",
+    "description": "Hier sind die Ausgaben, die du für deine Gruppe erstellt hast.",
+    "create": "Ausgabe hinzufügen",
+    "createFirst": "Erstelle die Erste",
+    "noExpenses": "Deine Gruppe hat noch keine Ausgaben.",
+    "exportJson": "Als JSON exportieren",
+    "searchPlaceholder": "Suche nach einer Ausgabe…",
+    "ActiveUserModal": {
+      "title": "Wer bist du?",
+      "description": "Sag uns, welcher Teilnehmer du bist, um die angezeigten Informationen auf dich anzupassen.",
+      "nobody": "Ich will niemanden auswählen",
+      "save": "Änderungen speichern",
+      "footer": "Diese Einstellung kann später in den Gruppeneinstellungen geändert werden."
+    },
+    "Groups": {
+      "upcoming": "Bevorstehend",
+      "thisWeek": "Diese Woche",
+      "earlierThisMonth": "Diesen Monat",
+      "lastMonth": "Letzten Monat",
+      "earlierThisYear": "Dieses Jahr",
+      "lastYera": "Letztes Jahr",
+      "older": "Älter"
+    }
+  },
+  "ExpenseCard": {
+    "paidBy": "Gezahlt von <strong>{paidBy}</strong> für <paidFor></paidFor>",
+    "receivedBy": "Empfangen von <strong>{paidBy}</strong> für <paidFor></paidFor>",
+    "yourBalance": "Deine Bilanz:"
+  },
+  "Groups": {
+    "myGroups": "Meine Gruppen",
+    "create": "Erstellen",
+    "loadingRecent": "Lade letzte Gruppen…",
+    "NoRecent": {
+      "description": "Du hast in der letzten Zeit keine Gruppe besucht.",
+      "create": "Erstelle eine",
+      "orAsk": "oder bitte einen Freund, dir einen Link zu einer Existierenden zu schicken."
+    },
+    "recent": "Letzte Gruppen",
+    "starred": "Favorisierte Gruppen",
+    "archived": "Archivierte Gruppen",
+    "archive": "Gruppe archivieren",
+    "unarchive": "Gruppe wiederherstellen",
+    "removeRecent": "Aus letzten Gruppen entfernen",
+    "RecentRemovedToast": {
+      "title": "Gruppe wurde entfernt",
+      "description": "Die Gruppe wurde von deiner Liste der letzten Gruppen entfernt.",
+      "undoAlt": "Gruppe entfernen rückgängig machen",
+      "undo": "Rückgängig machen"
+    },
+    "AddByURL": {
+      "button": "Mit URL hinzufügen",
+      "title": "Gruppe mit URL hinzufügen",
+      "description": "Wenn eine Gruppe mit dir geteilt wurde, kannst du ihre URL hier einfügen, um sie zu deiner Liste hinzuzufügen.",
+      "error": "Ups, wir können die Gruppe mit der angegebenen URL nicht finden…"
+    },
+    "NotFound": {
+      "text": "Diese Gruppe existiert nicht.",
+      "link": "Gehe zu zuletzt besuchten Gruppen"
+    }
+  },
+  "GroupForm": {
+    "title": "Gruppeninformationen",
+    "NameField": {
+      "label": "Gruppenname",
+      "placeholder": "Sommerurlaub",
+      "description": "Gib deiner Gruppe einen Namen."
+    },
+    "InformationField": {
+      "label": "Gruppeninformationen",
+      "placeholder": "Welche Informationen sind relevant für Gruppenmitglieder?"
+    },
+    "CurrencyField": {
+      "label": "Währungssymbol",
+      "placeholder": "€, $, £…",
+      "description": "Wir benutzen es, um Beträge anzuzeigen."
+    },
+    "Participants": {
+      "title": "Mitglieder",
+      "description": "Füge einen Namen für jedes Gruppenmitglied hinzu.",
+      "protectedParticipant": "Dieses Mitglied ist Teil der Ausgaben und kann nicht entfernt werden.",
+      "new": "Neu",
+      "add": "Mitglied hinzufügen",
+      "John": "Johannes",
+      "Jane": "Janina",
+      "Jack": "Jakob"
+    },
+    "Settings": {
+      "title": "Lokale Einstellungen",
+      "description": "Dies sind Einstellungen pro Gerät, die verwendet werden, um deine Benutzererfahrung zu verbessern.",
+      "ActiveUserField": {
+        "label": "Aktiver Nutzer",
+        "placeholder": "Wähle ein Mitglied",
+        "none": "Keiner",
+        "description": "Standardnutzer, der die Ausgaben übernimmt."
+      },
+      "save": "Speichern",
+      "saving": "Speichert…",
+      "create": "Erstellen",
+      "creating": "Erstellt…",
+      "cancel": "Abbrechen"
+    }
+  },
+  "ExpenseForm": {
+    "Income": {
+      "create": "Einnahme erstellen",
+      "edit": "Einnahme bearbeiten",
+      "TitleField": {
+        "label": "Titel der Einnahme",
+        "placeholder": "Montagabend Restaurant",
+        "description": "Füge eine Beschreibung für die Einnahme hinzu."
+      },
+      "DateField": {
+        "label": "Datum der Einnahme",
+        "description": "Füge ein Datum hinzu für wann die Einnahme erhalten wurde."
+      },
+      "categoryFieldDescription": "Wähle die Kategorie der Einnahme.",
+      "paidByField": {
+        "label": "Empfangen von",
+        "description": "Wähle das Mitglied, das die Einnahme erhalten hat."
+      },
+      "paidFor": {
+        "title": "Empfangen für",
+        "description": "Wähle für wen die Einnahme empfangen wurde."
+      },
+      "splitModeDescription": "Wähle, wie die Einnahme aufgeteilt werden soll.",
+      "attachDescription": "Füge der Einnahme einen Beleg hinzu."
+    },
+    "Expense": {
+      "create": "Augabe erstellen",
+      "edit": "Ausgabe bearbeiten",
+      "TitleField": {
+        "label": "Titel der Ausgabe",
+        "placeholder": "Montagabend Restaurant",
+        "description": "Füge eine Beschreibung für die Ausgabe hinzu."
+      },
+      "DateField": {
+        "label": "Datum der Ausgabe",
+        "description": "Füge das Datum ein, zu dem die Ausgabe getätigt wurde."
+      },
+      "categoryFieldDescription": "Wähle eine Kategorie für die Ausgabe.",
+      "paidByField": {
+        "label": "Gezahlt von",
+        "description": "Wähle das Mitglied, das die Ausgabe bezahlt hat."
+      },
+      "paidFor": {
+        "title": "Gezahlt für",
+        "description": "Wähle für wen die Ausgabe gezahlt wurde."
+      },
+      "splitModeDescription": "Wähle, wie die Ausgabe aufgeteilt werden soll.",
+      "attachDescription": "Füge der Ausgabe einen Beleg hinzu."
+    },
+    "amountField": {
+      "label": "Betrag"
+    },
+    "isReimbursementField": {
+      "label": "Das ist eine Rückzahlung"
+    },
+    "categoryField": {
+      "label": "Kategorie"
+    },
+    "notesField": {
+      "label": "Notizen"
+    },
+    "selectNone": "Keine auswählen",
+    "selectAll": "Alle auswählen",
+    "shares": "Anteil(e)",
+    "advancedOptions": "Fortgeschrittene Aufteilungsoptionen…",
+    "SplitModeField": {
+      "label": "Aufteilungsart",
+      "evenly": "Gleich verteilt",
+      "byShares": "Ungleich – Nach Anteilen",
+      "byPercentage": "Ungleich – Prozentual",
+      "byAmount": "Ungleich – Nach Betrag",
+      "saveAsDefault": "Als Standardoptionen zur Aufteilung speichern"
+    },
+    "DeletePopup": {
+      "label": "Löschen",
+      "title": "Diese Ausgabe löschen?",
+      "description": "Willst du diese Ausgabe wirklich löschen? Diese Aktion kann nicht rückgängig gemacht werden.",
+      "yes": "Ja",
+      "cancel": "Abbrechen"
+    },
+    "attachDocuments": "Dokument hinzufügen",
+    "create": "Erstellen",
+    "creating": "Erstellt…",
+    "save": "Speichern",
+    "saving": "Speichert…",
+    "cancel": "Abbrechen"
+  },
+  "ExpenseDocumentsInput": {
+    "TooBigToast": {
+      "title": "Die Datei ist zu groß",
+      "description": "Die maximale Dateigröße ist {maxSize}. Deine ist ${size}."
+    },
+    "ErrorToast": {
+      "title": "Fehler beim Hochladen der Datei",
+      "description": "Beim Hochladen der Datei ist etwas schiefgelaufen. Versuche es später nochmal oder wähle eine andere Datei.",
+      "retry": "Wiederholen"
+    }
+  },
+  "CreateFromReceipt": {
+    "Dialog": {
+      "triggerTitle": "Ausgabe von Rechnungsbeleg erstellen",
+      "title": "Von Rechnungsbeleg erstellen",
+      "description": "Ausgabeninformationen von einem Foto einer Rechnung lesen.",
+      "body": "Lade ein Foto der Rechnung hoch und wir versuchen die Ausgabeinformationen zu extrahieren",
+      "selectImage": "Bild wählen…",
+      "titleLabel": "Titel:",
+      "categoryLabel": "Kategorie:",
+      "amountLabel": "Betrag:",
+      "dateLabel": "Datum:",
+      "editNext": "Als nächstes kannst du die Informationen zur Ausgabe editieren.",
+      "continue": "Weiter"
+    },
+    "unknown": "Unbekannt",
+    "TooBigToast": {
+      "title": "Die Datei ist zu groß",
+      "description": "Die maximale Dateigröße ist {maxSize}. Deine ist ${size}."
+    },
+    "ErrorToast": {
+      "title": "Fehler beim Hochladen der Datei",
+      "description": "Beim Hochladen der Datei ist etwas schiefgelaufen. Versuche es später nochmal oder wähle eine andere Datei.",
+      "retry": "Wiederholen"
+    }
+  },
+  "Balances": {
+    "title": "Bilanz",
+    "description": "Das sind die Beträge, die jedes Mitglied bezahlt oder empfangen hat.",
+    "Reimbursements": {
+      "title": "Vorgeschlagene Rückzahlungen",
+      "description": "Hier sind Vorschläge für optimierte Rückzahlungen zwischen Mitgliedern.",
+      "noImbursements": "Es sieht aus, als seien in der Gruppe keine Rückzahlungen nötig 😁",
+      "owes": "<strong>{from}</strong> schuldet <strong>{to}</strong>",
+      "markAsPaid": "Als gezahlt markieren"
+    }
+  },
+  "Stats": {
+    "title": "Statistiken",
+    "Totals": {
+      "title": "Gesamtausgaben",
+      "description": "Zusammenfassung der Ausgaben der gesamten Gruppe.",
+      "groupSpendings": "Gesamte Ausgaben der Gruppe",
+      "groupEarnings": "Gesamte Einnahmen der Gruppe",
+      "yourSpendings": "Deine gesamten Ausgaben",
+      "yourEarnings": "Deine gesamten Einnahmen",
+      "yourShare": "Dein gesamter Anteil"
+    }
+  },
+  "Activity": {
+    "title": "Aktivitäten",
+    "description": "Zusammenfassung aller Aktivitäten in dieser Gruppe.",
+    "noActivity": "Es gab noch keine Aktivität in dieser Gruppe.",
+    "someone": "Jemand",
+    "settingsModified": "Die Gruppeneinstellungen wurden von <strong>{participant}</strong> verändert.",
+    "expenseCreated": "Augabe <em>{expense}</em> wurde von <strong>{participant}</strong> erstellt.",
+    "expenseUpdated": "Ausgabe <em>{expense}</em> wurde von <strong>{participant}</strong> aktualisiert.",
+    "expenseDeleted": "Ausgabe <em>{expense}</em> wurde von <strong>{participant}</strong> gelöscht.",
+    "Groups": {
+      "today": "Heute",
+      "yesterday": "Gestern",
+      "earlierThisWeek": "Diese Woche",
+      "lastWeek": "Letze Woche",
+      "earlierThisMonth": "Diesen Monat",
+      "lastMonth": "Letzen Monat",
+      "earlierThisYear": "Dieses Jahr",
+      "lastYear": "Letztes Jahr",
+      "older": "Älter"
+    }
+  },
+  "Information": {
+    "title": "Informationen",
+    "description": "Nutze diesen Ort, um Informationen hinzuzufügen, die für die Gruppenmitglieder wichtig sein könnten.",
+    "empty": "Noch keine Gruppeninformationen vorhanden."
+  },
+  "Settings": {
+    "title": "Einstellungen"
+  },
+  "Locale": {
+    "en-US": "English",
+    "fi": "Suomi",
+    "fr-FR": "Français",
+    "es": "Español",
+    "de-DE": "Deutsch",
+    "zh-CN": "Chinese (Simplified)",
+    "ru-RU": "Русский"
+  },
+  "Share": {
+    "title": "Teilen",
+    "description": "Teile die URL, damit andere Mitglieder die Gruppe sehen und Ausgaben hinzufügen können.",
+    "warning": "Achtung!",
+    "warningHelp": "Jede person mit der Gruppen-URL kann Ausgaben sehen und editieren. Teile den Link mit Bedacht!"
+  },
+  "SchemaErrors": {
+    "min1": "Gib mindestens ein Zeichen ein.",
+    "min2": "Gib mindestens zwei Zeichen ein.",
+    "max5": "Gib maximal fünf Zeichen ein.",
+    "max50": "Gib maximal 50 Zeichen ein.",
+    "duplicateParticipantName": "Der Name ist bereits an ein anderes Gruppenmitglied vergeben.",
+    "titleRequired": "Bitte gib einen Titel an.",
+    "invalidNumber": "Zahl nicht valide.",
+    "amountRequired": "Du musst einen Betrag angeben.",
+    "amountNotZero": "Der Betrag darf nicht 0 sein.",
+    "amountTenMillion": "Der Betrag muss kleiner als 10.000.000 sein",
+    "paidByRequired": "Du musst ein Mitglied auswählen.",
+    "paidForMin1": "Die Ausgabe muss mindestens für ein Mitglied bezahlt werden.",
+    "noZeroShares": "Alle Anteile müssen größer als 0 sein.",
+    "amountSum": "Die Summe der Beträge muss dem Betrag der Ausgabe entsprechen.",
+    "percentageSum": "Die Summe der prozentualen Anteile muss 100 ergeben."
+  },
+  "Categories": {
+    "search": "Nach Kategorie suchen...",
+    "noCategory": "Keine Kategorie gefunden.",
+    "Uncategorized": {
+      "heading": "Nicht kategorisiert",
+      "General": "Allgemein",
+      "Payment": "Zahlung"
+    },
+    "Entertainment": {
+      "heading": "Vergnügen",
+      "Entertainment": "Vergnügen",
+      "Games": "Spiele",
+      "Movies": "Filme",
+      "Music": "Musik",
+      "Sports": "Sport"
+    },
+    "Food and Drink": {
+      "heading": "Essen und Trinken",
+      "Food and Drink": "Essen und Trinken",
+      "Dining Out": "Essen gehen",
+      "Groceries": "Lebensmittel",
+      "Liquor": "Alkohol"
+    },
+    "Home": {
+      "heading": "Zuhause",
+      "Home": "Zuhause",
+      "Electronics": "Elektronik",
+      "Furniture": "Möbel",
+      "Household Supplies": "Haushaltsgegenstände",
+      "Maintenance": "Wartung",
+      "Mortgage": "Hypothek",
+      "Pets": "Haustiere",
+      "Rent": "Miete",
+      "Services": "Dienstleistungen"
+    },
+    "Life": {
+      "heading": "Leben",
+      "Childcare": "Kinderversorgung",
+      "Clothing": "Kleidung",
+      "Education": "Bildung",
+      "Gifts": "Geschenke",
+      "Insurance": "Versicherung",
+      "Medical Expenses": "Medizinische Ausgaben",
+      "Taxes": "Steuern"
+    },
+    "Transportation": {
+      "heading": "Transport",
+      "Transportation": "Transport",
+      "Bicycle": "Fahrrad",
+      "Bus/Train": "Bus/Bahn",
+      "Car": "Auto",
+      "Gas/Fuel": "Tanken",
+      "Hotel": "Hotel",
+      "Parking": "Parken",
+      "Plane": "Flugzeug",
+      "Taxi": "Taxi"
+    },
+    "Utilities": {
+      "heading": "Versorgung",
+      "Utilities": "Versorgung",
+      "Cleaning": "Reinigung/Putzen",
+      "Electricity": "Strom",
+      "Heat/Gas": "Heizung",
+      "Trash": "Müll",
+      "TV/Phone/Internet": "TV/Internet/Telefonie",
+      "Water": "Wasser"
+    }
+  }
+}

messages/en-US.json

@@ -0,0 +1,396 @@
+{
+  "Homepage": {
+    "title": "Share <strong>Expenses</strong> with <strong>Friends & Family</strong>",
+    "description": "Welcome to your new <strong>Spliit</strong> instance !",
+    "button": {
+      "groups": "Go to groups",
+      "github": "GitHub"
+    }
+  },
+  "Header": {
+    "groups": "Groups"
+  },
+  "Footer": {
+    "madeIn": "Made in Montréal, Québec 🇨🇦",
+    "builtBy": "Built by <author>Sebastien Castiel</author> and <source>contributors</source>"
+  },
+  "Expenses": {
+    "title": "Expenses",
+    "description": "Here are the expenses that you created for your group.",
+    "create": "Create expense",
+    "createFirst": "Create the first one",
+    "noExpenses": "Your group doesn’t contain any expense yet.",
+    "exportJson": "Export to JSON",
+    "searchPlaceholder": "Search for an expense…",
+    "ActiveUserModal": {
+      "title": "Who are you?",
+      "description": "Tell us which participant you are to let us customize how the information is displayed.",
+      "nobody": "I don’t want to select anyone",
+      "save": "Save changes",
+      "footer": "This setting can be changed later in the group settings."
+    },
+    "Groups": {
+      "upcoming": "Upcoming",
+      "thisWeek": "This week",
+      "earlierThisMonth": "Earlier this month",
+      "lastMonth": "Last month",
+      "earlierThisYear": "Earlier this year",
+      "lastYera": "Last year",
+      "older": "Older"
+    }
+  },
+  "ExpenseCard": {
+    "paidBy": "Paid by <strong>{paidBy}</strong> for <paidFor></paidFor>",
+    "receivedBy": "Received by <strong>{paidBy}</strong> for <paidFor></paidFor>",
+    "yourBalance": "Your balance:"
+  },
+  "Groups": {
+    "myGroups": "My groups",
+    "create": "Create",
+    "loadingRecent": "Loading recent groups…",
+    "NoRecent": {
+      "description": "You have not visited any group recently.",
+      "create": "Create one",
+      "orAsk": "or ask a friend to send you the link to an existing one."
+    },
+    "recent": "Recent groups",
+    "starred": "Starred groups",
+    "archived": "Archived groups",
+    "archive": "Archive group",
+    "unarchive": "Unarchive group",
+    "removeRecent": "Remove from recent groups",
+    "RecentRemovedToast": {
+      "title": "Group has been removed",
+      "description": "The group was removed from your recent groups list.",
+      "undoAlt": "Undo group removal",
+      "undo": "Undo"
+    },
+    "AddByURL": {
+      "button": "Add by URL",
+      "title": "Add a group by URL",
+      "description": "If a group was shared with you, you can paste its URL here to add it to your list.",
+      "error": "Oops, we are not able to find the group from the URL you provided…"
+    },
+    "NotFound": {
+      "text": "This group does not exist.",
+      "link": "Go to recently visited groups"
+    }
+  },
+  "GroupForm": {
+    "title": "Group information",
+    "NameField": {
+      "label": "Group name",
+      "placeholder": "Summer vacations",
+      "description": "Enter a name for your group."
+    },
+    "InformationField": {
+      "label": "Group information",
+      "placeholder": "What information is relevant to group participants?"
+    },
+    "CurrencyField": {
+      "label": "Currency symbol",
+      "placeholder": "$, €, £…",
+      "description": "We’ll use it to display amounts."
+    },
+    "Participants": {
+      "title": "Participants",
+      "description": "Enter the name for each participant.",
+      "protectedParticipant": "This participant is part of expenses, and can not be removed.",
+      "new": "New",
+      "add": "Add participant",
+      "John": "John",
+      "Jane": "Jane",
+      "Jack": "Jack"
+    },
+    "Settings": {
+      "title": "Local settings",
+      "description": "These settings are set per-device, and are used to customize your experience.",
+      "ActiveUserField": {
+        "label": "Active user",
+        "placeholder": "Select a participant",
+        "none": "None",
+        "description": "User used as default for paying expenses."
+      },
+      "save": "Save",
+      "saving": "Saving…",
+      "create": "Create",
+      "creating": "Creating…",
+      "cancel": "Cancel"
+    }
+  },
+  "ExpenseForm": {
+    "Income": {
+      "create": "Create income",
+      "edit": "Edit income",
+      "TitleField": {
+        "label": "Income title",
+        "placeholder": "Monday evening restaurant",
+        "description": "Enter a description for the income."
+      },
+      "DateField": {
+        "label": "Income date",
+        "description": "Enter the date the income was received."
+      },
+      "categoryFieldDescription": "Select the income category.",
+      "paidByField": {
+        "label": "Received by",
+        "description": "Select the participant who received the income."
+      },
+      "paidFor": {
+        "title": "Received for",
+        "description": "Select who the income was received for."
+      },
+      "splitModeDescription": "Select how to split the income.",
+      "attachDescription": "See and attach receipts to the income."
+    },
+    "Expense": {
+      "create": "Create expense",
+      "edit": "Edit expense",
+      "TitleField": {
+        "label": "Expense title",
+        "placeholder": "Monday evening restaurant",
+        "description": "Enter a description for the expense."
+      },
+      "DateField": {
+        "label": "Expense date",
+        "description": "Enter the date the expense was paid."
+      },
+      "categoryFieldDescription": "Select the expense category.",
+      "paidByField": {
+        "label": "Paid by",
+        "description": "Select the participant who paid the expense."
+      },
+      "paidFor": {
+        "title": "Paid for",
+        "description": "Select who the expense was paid for."
+      },
+      "splitModeDescription": "Select how to split the expense.",
+      "attachDescription": "See and attach receipts to the expense."
+    },
+    "amountField": {
+      "label": "Amount"
+    },
+    "isReimbursementField": {
+      "label": "This is a reimbursement"
+    },
+    "categoryField": {
+      "label": "Category"
+    },
+    "notesField": {
+      "label": "Notes"
+    },
+    "selectNone": "Select none",
+    "selectAll": "Select all",
+    "shares": "share(s)",
+    "advancedOptions": "Advanced splitting options…",
+    "SplitModeField": {
+      "label": "Split mode",
+      "evenly": "Evenly",
+      "byShares": "Unevenly – By shares",
+      "byPercentage": "Unevenly – By percentage",
+      "byAmount": "Unevenly – By amount",
+      "saveAsDefault": "Save as default splitting options"
+    },
+    "DeletePopup": {
+      "label": "Delete",
+      "title": "Delete this expense?",
+      "description": "Do you really want to delete this expense? This action is irreversible.",
+      "yes": "Yes",
+      "cancel": "Cancel"
+    },
+    "attachDocuments": "Attach documents",
+    "create": "Create",
+    "creating": "Creating…",
+    "save": "Save",
+    "saving": "Saving…",
+    "cancel": "Cancel"
+  },
+  "ExpenseDocumentsInput": {
+    "TooBigToast": {
+      "title": "The file is too big",
+      "description": "The maximum file size you can upload is {maxSize}. Yours is ${size}."
+    },
+    "ErrorToast": {
+      "title": "Error while uploading document",
+      "description": "Something wrong happened when uploading the document. Please retry later or select a different file.",
+      "retry": "Retry"
+    }
+  },
+  "CreateFromReceipt": {
+    "Dialog": {
+      "triggerTitle": "Create expense from receipt",
+      "title": "Create from receipt",
+      "description": "Extract the expense information from a receipt photo.",
+      "body": "Upload the photo of a receipt, and we’ll scan it to extract the expense information if we can.",
+      "selectImage": "Select image…",
+      "titleLabel": "Title:",
+      "categoryLabel": "Category:",
+      "amountLabel": "Amount:",
+      "dateLabel": "Date:",
+      "editNext": "You’ll be able to edit the expense information next.",
+      "continue": "Continue"
+    },
+    "unknown": "Unknown",
+    "TooBigToast": {
+      "title": "The file is too big",
+      "description": "The maximum file size you can upload is {maxSize}. Yours is ${size}."
+    },
+    "ErrorToast": {
+      "title": "Error while uploading document",
+      "description": "Something wrong happened when uploading the document. Please retry later or select a different file.",
+      "retry": "Retry"
+    }
+  },
+  "Balances": {
+    "title": "Balances",
+    "description": "This is the amount that each participant paid or was paid for.",
+    "Reimbursements": {
+      "title": "Suggested reimbursements",
+      "description": "Here are suggestions for optimized reimbursements between participants.",
+      "noImbursements": "It looks like your group doesn’t need any reimbursement 😁",
+      "owes": "<strong>{from}</strong> owes <strong>{to}</strong>",
+      "markAsPaid": "Mark as paid"
+    }
+  },
+  "Stats": {
+    "title": "Stats",
+    "Totals": {
+      "title": "Totals",
+      "description": "Spending summary of the entire group.",
+      "groupSpendings": "Total group spendings",
+      "groupEarnings": "Total group earnings",
+      "yourSpendings": "Your total spendings",
+      "yourEarnings": "Your total earnings",
+      "yourShare": "Your total share"
+    }
+  },
+  "Activity": {
+    "title": "Activity",
+    "description": "Overview of all activity in this group.",
+    "noActivity": "There is not yet any activity in your group.",
+    "someone": "Someone",
+    "settingsModified": "Group settings were modified by <strong>{participant}</strong>.",
+    "expenseCreated": "Expense <em>{expense}</em> created by <strong>{participant}</strong>.",
+    "expenseUpdated": "Expense <em>{expense}</em> updated by <strong>{participant}</strong>.",
+    "expenseDeleted": "Expense <em>{expense}</em> deleted by <strong>{participant}</strong>.",
+    "Groups": {
+      "today": "Today",
+      "yesterday": "Yesterday",
+      "earlierThisWeek": "Earlier this week",
+      "lastWeek": "Last week",
+      "earlierThisMonth": "Earlier this month",
+      "lastMonth": "Last month",
+      "earlierThisYear": "Earlier this year",
+      "lastYear": "Last year",
+      "older": "Older"
+    }
+  },
+  "Information": {
+    "title": "Information",
+    "description": "Use this place to add any information that can be relevant to the group participants.",
+    "empty": "No group information yet."
+  },
+  "Settings": {
+    "title": "Settings"
+  },
+  "Locale": {
+    "en-US": "English",
+    "fi": "Suomi",
+    "fr-FR": "Français",
+    "es": "Español",
+    "de-DE": "Deutsch",
+    "zh-CN": "Chinese (Simplified)",
+    "ru-RU": "Русский"
+  },
+  "Share": {
+    "title": "Share",
+    "description": "For other participants to see the group and add expenses, share its URL with them.",
+    "warning": "Warning!",
+    "warningHelp": "Every person with the group URL will be able to see and edit expenses. Share with caution!"
+  },
+  "SchemaErrors": {
+    "min1": "Enter at least one character.",
+    "min2": "Enter at least two characters.",
+    "max5": "Enter at most five characters.",
+    "max50": "Enter at most 50 characters.",
+    "duplicateParticipantName": "Another participant already has this name.",
+    "titleRequired": "Please enter a title.",
+    "invalidNumber": "Invalid number.",
+    "amountRequired": "You must enter an amount.",
+    "amountNotZero": "The amount must not be zero.",
+    "amountTenMillion": "The amount must be lower than 10,000,000.",
+    "paidByRequired": "You must select a participant.",
+    "paidForMin1": "The expense must be paid for at least one participant.",
+    "noZeroShares": "All shares must be higher than 0.",
+    "amountSum": "Sum of amounts must equal the expense amount.",
+    "percentageSum": "Sum of percentages must equal 100."
+  },
+  "Categories": {
+    "search": "Search category...",
+    "noCategory": "No category found.",
+    "Uncategorized": {
+      "heading": "Uncategorized",
+      "General": "General",
+      "Payment": "Payment"
+    },
+    "Entertainment": {
+      "heading": "Entertainment",
+      "Entertainment": "Entertainment",
+      "Games": "Games",
+      "Movies": "Movies",
+      "Music": "Music",
+      "Sports": "Sports"
+    },
+    "Food and Drink": {
+      "heading": "Food and Drink",
+      "Food and Drink": "Food and Drink",
+      "Dining Out": "Dining Out",
+      "Groceries": "Groceries",
+      "Liquor": "Liquor"
+    },
+    "Home": {
+      "heading": "Home",
+      "Home": "Home",
+      "Electronics": "Electronics",
+      "Furniture": "Furniture",
+      "Household Supplies": "Household Supplies",
+      "Maintenance": "Maintenance",
+      "Mortgage": "Mortgage",
+      "Pets": "Pets",
+      "Rent": "Rent",
+      "Services": "Services"
+    },
+    "Life": {
+      "heading": "Life",
+      "Childcare": "Childcare",
+      "Clothing": "Clothing",
+      "Education": "Education",
+      "Gifts": "Gifts",
+      "Insurance": "Insurance",
+      "Medical Expenses": "Medical Expenses",
+      "Taxes": "Taxes"
+    },
+    "Transportation": {
+      "heading": "Transportation",
+      "Transportation": "Transportation",
+      "Bicycle": "Bicycle",
+      "Bus/Train": "Bus/Train",
+      "Car": "Car",
+      "Gas/Fuel": "Gas/Fuel",
+      "Hotel": "Hotel",
+      "Parking": "Parking",
+      "Plane": "Plane",
+      "Taxi": "Taxi"
+    },
+    "Utilities": {
+      "heading": "Utilities",
+      "Utilities": "Utilities",
+      "Cleaning": "Cleaning",
+      "Electricity": "Electricity",
+      "Heat/Gas": "Heat/Gas",
+      "Trash": "Trash",
+      "TV/Phone/Internet": "TV/Phone/Internet",
+      "Water": "Water"
+    }
+  }
+}

messages/es.json

@@ -0,0 +1,396 @@
+{
+  "Homepage": {
+    "title": "Comparte <strong>Gastos</strong> con <strong>Amigos y Familia</strong>",
+    "description": "¡Bienvenido a tu nueva instancia de <strong>Spliit</strong>!",
+    "button": {
+      "groups": "Ir a grupos",
+      "github": "GitHub"
+    }
+  },
+  "Header": {
+    "groups": "Grupos"
+  },
+  "Footer": {
+    "madeIn": "Hecho en Montréal, Québec 🇨🇦",
+    "builtBy": "Construido por <author>Sebastien Castiel</author> y <source>colaboradores</source>"
+  },
+  "Expenses": {
+    "title": "Gastos",
+    "description": "Aqui encontraras los gastos que has creado para tu grupo.",
+    "create": "Crear gasto",
+    "createFirst": "Crea el primero",
+    "noExpenses": "Tu grupo aun no tiene gastos.",
+    "exportJson": "Exportar a JSON",
+    "searchPlaceholder": "Busca un gasto…",
+    "ActiveUserModal": {
+      "title": "¿Quién es usted?",
+      "description": "Dinos qué participante eres para que podamos personalizar cómo se muestra la información.",
+      "nobody": "No quiero seleccionar a nadie",
+      "save": "Guardar cambios",
+      "footer": "Esta configuración puede modificarse posteriormente en los ajustes del grupo."
+    },
+    "Groups": {
+      "upcoming": "Próximamente",
+      "thisWeek": "Esta semana",
+      "earlierThisMonth": "A principios de este mes",
+      "lastMonth": "El mes pasado",
+      "earlierThisYear": "A principios de este año",
+      "lastYera": "El año pasado",
+      "older": "Más antiguos"
+    }
+  },
+  "ExpenseCard": {
+    "paidBy": "Pagado por <strong>{paidBy}</strong> para <paidFor></paidFor>",
+    "receivedBy": "Recibido por <strong>{paidBy}</strong> para <paidFor></paidFor>",
+    "yourBalance": "Tu balance:"
+  },
+  "Groups": {
+    "myGroups": "Mis grupos",
+    "create": "Crear",
+    "loadingRecent": "Cargando grupos recientes…",
+    "NoRecent": {
+      "description": "No has visitado ningun grupo recientemente.",
+      "create": "Crea uno",
+      "orAsk": "o pídele a un amigo que te envíe el enlace a uno ya existente.."
+    },
+    "recent": "Grupos recientes",
+    "starred": "Grupos favoritos",
+    "archived": "Grupos archivados",
+    "archive": "Archivar grupo",
+    "unarchive": "Desarchivar groupo",
+    "removeRecent": "Remove from recent groups",
+    "RecentRemovedToast": {
+      "title": "El grupo fue eliminado",
+      "description": "El grupo ha sido eliminado de tu lista de grupos recientes.",
+      "undoAlt": "Deshacer la eliminación del grupo",
+      "undo": "Deshacer"
+    },
+    "AddByURL": {
+      "button": "Añadir mediante url",
+      "title": "Añadir grupo mediante url",
+      "description": "Si te han compartido un grupo, puedes pegar aquí su URL para añadirlo a tu lista.",
+      "error": "Oops, no somos capaces de encontrar el grupo desde la URL que has proporcionado..."
+    },
+    "NotFound": {
+      "text": "Este grupo no existe.",
+      "link": "Ir a los últimos grupos visitados"
+    }
+  },
+  "GroupForm": {
+    "title": "Información del grupo",
+    "NameField": {
+      "label": "Nombre del grupo",
+      "placeholder": "Vacaciones en Barcelona",
+      "description": "Inserta un nombre para tu nuevo grupo."
+    },
+    "InformationField": {
+      "label": "Información del grupo",
+      "placeholder": "Qué información es relevante para los participantes del grupo?"
+    },
+    "CurrencyField": {
+      "label": "Símbolo de divisa",
+      "placeholder": "$, €, £…",
+      "description": "Lo usaremos para mostrar balances."
+    },
+    "Participants": {
+      "title": "Participantes",
+      "description": "Ingresa el nombre de cada participante.",
+      "protectedParticipant": "Estos participantes forman parte de gastos y no pueden ser eliminados.",
+      "new": "Nuevo",
+      "add": "Añadir participante",
+      "John": "Juan",
+      "Jane": "Maria",
+      "Jack": "Sergio"
+    },
+    "Settings": {
+      "title": "Ajustes locales",
+      "description": "Estos ajustes se establecen por dispositivo y se utilizan para personalizar su experiencia.",
+      "ActiveUserField": {
+        "label": "Usuario activo",
+        "placeholder": "Selecciona un participante...",
+        "none": "Ninguno",
+        "description": "Usuario que paga los gastos por defecto."
+      },
+      "save": "Guardar",
+      "saving": "Guardando",
+      "create": "Crear",
+      "creating": "Creando",
+      "cancel": "Cancelar"
+    }
+  },
+  "ExpenseForm": {
+    "Income": {
+      "create": "Crear ingreso",
+      "edit": "Editar ingreso",
+      "TitleField": {
+        "label": "Título del ingreso",
+        "placeholder": "Comida Hamburgeseria",
+        "description": "Introduce una descripción para este ingreso."
+      },
+      "DateField": {
+        "label": "Fecha del ingreso",
+        "description": "Ingresa la fecha en que se recibio el ingreso."
+      },
+      "categoryFieldDescription": "Seleccione la categoría de ingresos.",
+      "paidByField": {
+        "label": "Recibido por",
+        "description": "Seleccione el participante que recibió los ingresos."
+      },
+      "paidFor": {
+        "title": "Recibido para for",
+        "description": "Seleccione para quién se recibió el ingreso."
+      },
+      "splitModeDescription": "Seleccione como quieres dividir el ingreso.",
+      "attachDescription": "Ver y adjuntar tickets para el ingreso."
+    },
+    "Expense": {
+      "create": "Crear gasto",
+      "edit": "Editar gasto",
+      "TitleField": {
+        "label": "Título del gasto",
+        "placeholder": "Monday evening restaurant",
+        "description": "Enter a description for the expense."
+      },
+      "DateField": {
+        "label": "Fecha del gasto",
+        "description": "Ingresa la fecha en que se recibio el gasto."
+      },
+      "categoryFieldDescription": "Select the expense category.",
+      "paidByField": {
+        "label": "Pagado por",
+        "description": "Seleccione el participante que pagó el gasto."
+      },
+      "paidFor": {
+        "title": "Pagado para",
+        "description": "Seleccione para quién se pagó el gasto."
+      },
+      "splitModeDescription": "Seleccione como quieres dividir el gasto.",
+      "attachDescription": "Ver y adjuntar tickets para el gasto."
+    },
+    "amountField": {
+      "label": "Cantidad"
+    },
+    "isReimbursementField": {
+      "label": "Esto es un reembolso"
+    },
+    "categoryField": {
+      "label": "Categoria"
+    },
+    "notesField": {
+      "label": "Notas"
+    },
+    "selectNone": "Seleccionar ninguno",
+    "selectAll": "Seleccionar todos",
+    "shares": "partes",
+    "advancedOptions": "Opciones avanzadas",
+    "SplitModeField": {
+      "label": "Modo de división",
+      "evenly": "Uniformemente",
+      "byShares": "Desigualmente – Por partes",
+      "byPercentage": "Desigualmente – por porcentaje",
+      "byAmount": "Desigualmente – por cantidad",
+      "saveAsDefault": "Guardar como modo preferido"
+    },
+    "DeletePopup": {
+      "label": "Borrar",
+      "title": "Borrar gasto?",
+      "description": "Seguro que quieres borrar este gasto? Esta acción es irreversible.",
+      "yes": "Si",
+      "cancel": "Cancelar"
+    },
+    "attachDocuments": "Adjuntar documentos",
+    "create": "Crear",
+    "creating": "Creando",
+    "save": "Guardar",
+    "saving": "Guardando",
+    "cancel": "Cancelar"
+  },
+  "ExpenseDocumentsInput": {
+    "TooBigToast": {
+      "title": "El archivo es demasiado grande",
+      "description": "El tamaño máximo de archivo que puede cargar es {maxSize}. El tuyo pesa ${size}."
+    },
+    "ErrorToast": {
+      "title": "Error al cargar el documento",
+      "description": "Ha ocurrido un error al cargar el documento. Vuelva a intentarlo más tarde o seleccione otro archivo.",
+      "retry": "Reintentar"
+    }
+  },
+  "CreateFromReceipt": {
+    "Dialog": {
+      "triggerTitle": "Crear gasto desde ticket",
+      "title": "Crear desde ticket",
+      "description": "Extraer la información de gastos de una foto de recibo.",
+      "body": "Sube la foto de un recibo y lo escanearemos para extraer la información del gasto si podemos.",
+      "selectImage": "Seleccionar imagen…",
+      "titleLabel": "Titulo:",
+      "categoryLabel": "Categoria:",
+      "amountLabel": "Cantidad:",
+      "dateLabel": "Fecha:",
+      "editNext": "A continuación podrá editar la información de los gastos.",
+      "continue": "Continuar"
+    },
+    "unknown": "Desconocido",
+    "TooBigToast": {
+      "title": "El archivo es demasiado grande",
+      "description": "El tamaño máximo de archivo que puede cargar es {maxSize}. El tuyo pesa ${size}."
+    },
+    "ErrorToast": {
+      "title": "Error al cargar el documento",
+      "description": "Ha ocurrido un error al cargar el documento. Vuelva a intentarlo más tarde o seleccione otro archivo.",
+      "retry": "Reintentar"
+    }
+  },
+  "Balances": {
+    "title": "Balances",
+    "description": "Se trata del importe que ha pagado o ha recibido cada participante.",
+    "Reimbursements": {
+      "title": "Reembolsos propuestos",
+      "description": "He aquí algunas sugerencias para optimizar los reembolsos entre los participantes.",
+      "noImbursements": "Parece que tu grupo no necesita ningún reembolso 😁",
+      "owes": "<strong>{from}</strong> debe <strong>{to}</strong>",
+      "markAsPaid": "Marcar como pagado"
+    }
+  },
+  "Stats": {
+    "title": "Estadísticas",
+    "Totals": {
+      "title": "Totales",
+      "description": "Resumen de gastos de todo el grupo.",
+      "groupSpendings": "Gastos de todo el grupo",
+      "groupEarnings": "Ingresos de todo el grupo",
+      "yourSpendings": "Tus gastos totales",
+      "yourEarnings": "Tus ingresos totales",
+      "yourShare": "Tu parte final"
+    }
+  },
+  "Activity": {
+    "title": "Actividad",
+    "description": "Aquí encontrarás todas las actividades recientes en tu grupo.",
+    "noActivity": "No hay actividad reciente en este grupo.",
+    "someone": "Alguien",
+    "settingsModified": "Los ajustes del grupo fueron modificados por <strong>{participant}</strong>.",
+    "expenseCreated": "Gasto <em>{expense}</em> creado por <strong>{participant}</strong>.",
+    "expenseUpdated": "Gasto <em>{expense}</em> actualizado por <strong>{participant}</strong>.",
+    "expenseDeleted": "Gasto <em>{expense}</em> borrado por <strong>{participant}</strong>.",
+    "Groups": {
+      "today": "Hoy",
+      "yesterday": "Ayer",
+      "earlierThisWeek": "A principios de esta semana",
+      "lastWeek": "La semana pasada",
+      "earlierThisMonth": "A principios de este mes",
+      "lastMonth": "El mes pasado",
+      "earlierThisYear": "A principios de este año",
+      "lastYear": "El ultimo año",
+      "older": "Más antiguos"
+    }
+  },
+  "Information": {
+    "title": "Información",
+    "description": "Utilice este lugar para añadir cualquier información que pueda ser relevante para los participantes del grupo.",
+    "empty": "Aún no hay información sobre el grupo."
+  },
+  "Settings": {
+    "title": "Ajustes"
+  },
+  "Locale": {
+    "en-US": "English",
+    "fi": "Suomi",
+    "fr-FR": "Français",
+    "es": "Español",
+    "de-DE": "Deutsch",
+    "zh-CN": "Chinese (Simplified)",
+    "ru-RU": "Русский"
+  },
+  "Share": {
+    "title": "Compartir",
+    "description": "Para que otros participantes puedan ver el grupo y añadir gastos, compárteles su URL.",
+    "warning": "Cuidado!",
+    "warningHelp": "Todas las personas que tengan la URL del grupo podrán ver y editar los gastos. ¡Comparte con precaución!"
+  },
+  "SchemaErrors": {
+    "min1": "Introduzca al menos un carácter.",
+    "min2": "Introduzca al menos dos carácter.",
+    "max5": "Introduzca al menos cinco carácter.",
+    "max50": "Introduzca al menos treinta carácter.",
+    "duplicateParticipantName": "Otro participante ya tiene este nombre",
+    "titleRequired": "Por favor, introduzca un título",
+    "invalidNumber": "Número inválido",
+    "amountRequired": "Debe introducir un importe",
+    "amountNotZero": "El importe no debe ser cero.",
+    "amountTenMillion": "El importe debe ser inferior a 10.000.000.",
+    "paidByRequired": "Debe seleccionar un participante",
+    "paidForMin1": "El gasto debe ser pagado por al menos un participante",
+    "noZeroShares": "Todas las participaciones deben ser superiores a 0",
+    "amountSum": "La suma de los importes debe ser igual al importe del gasto",
+    "percentageSum": "Suma de porcentajes debe ser igual a 100"
+  },
+  "Categories": {
+    "search": "Buscar categoría...",
+    "noCategory": "Categoría no encontrada!",
+    "Uncategorized": {
+      "heading": "Sin categoría",
+      "General": "General",
+      "Payment": "Pago"
+    },
+    "Entertainment": {
+      "heading": "Ocio",
+      "Entertainment": "Ocio",
+      "Games": "Juegos",
+      "Movies": "Películas",
+      "Music": "Musica",
+      "Sports": "Deportes"
+    },
+    "Food and Drink": {
+      "heading": "Comida y bebida",
+      "Food and Drink": "Comida y bebida",
+      "Dining Out": "Comer fuera",
+      "Groceries": "Comestibles",
+      "Liquor": "Licores"
+    },
+    "Home": {
+      "heading": "Hogar",
+      "Home": "Hogar",
+      "Electronics": "Electrónica",
+      "Furniture": "Muebles",
+      "Household Supplies": "Suministros del hogar",
+      "Maintenance": "Mantenimiento",
+      "Mortgage": "Hipoteca",
+      "Pets": "Mascotas",
+      "Rent": "Alquiler",
+      "Services": "Servicios"
+    },
+    "Life": {
+      "heading": "Vida",
+      "Childcare": "Cuidado de niños",
+      "Clothing": "Ropa",
+      "Education": "Educación",
+      "Gifts": "Regalos",
+      "Insurance": "Seguro",
+      "Medical Expenses": "Gastos médicos",
+      "Taxes": "Impuestos"
+    },
+    "Transportation": {
+      "heading": "Transporte",
+      "Transportation": "Transporte",
+      "Bicycle": "Bicicleta",
+      "Bus/Train": "Autobús/Tren",
+      "Car": "Coche",
+      "Gas/Fuel": "Gasolina/Combustible",
+      "Hotel": "Hotel",
+      "Parking": "Parking",
+      "Plane": "Avión",
+      "Taxi": "Taxi"
+    },
+    "Utilities": {
+      "heading": "Utilidades",
+      "Utilities": "Utilidades",
+      "Cleaning": "Limpieza",
+      "Electricity": "Electricidad",
+      "Heat/Gas": "Calefacción/Gas",
+      "Trash": "Basura",
+      "TV/Phone/Internet": "TV/Teléfono/Internet",
+      "Water": "Agua"
+    }
+  }
+}

messages/fi.json

@@ -0,0 +1,396 @@
+{
+  "Homepage": {
+    "title": "Jaa kulut ystävien ja perheen kanssa",
+    "description": "Tervetuloa uuteen Spliit-instanssiisi!",
+    "button": {
+      "groups": "Siirry ryhmiin",
+      "github": "GitHub"
+    }
+  },
+  "Header": {
+    "groups": "Ryhmät"
+  },
+  "Footer": {
+    "madeIn": "Made in Montréal, Québec 🇨🇦",
+    "builtBy": "Tekijät: <author>Sebastien Castiel</author> ja <source>muut osallistujat</source>"
+  },
+  "Expenses": {
+    "title": "Kulut",
+    "description": "Tässä ovat ryhmässä luodut kulut.",
+    "create": "Lisää kulu",
+    "createFirst": "Lisää ensimmäinen kulu",
+    "noExpenses": "Ryhmälläsi ei ole vielä yhtään kulua.",
+    "exportJson": "Vie JSON-tiedostoon",
+    "searchPlaceholder": "Etsi kulua…",
+    "ActiveUserModal": {
+      "title": "Kuka olet?",
+      "description": "Valitse kuka osallistujista olet, jotta tiedot näkyvät oikein.",
+      "nobody": "En halua valita ketään",
+      "save": "Tallenna muutokset",
+      "footer": "Tämän asetuksen voi vaihtaa myöhemmin ryhmän asetuksista."
+    },
+    "Groups": {
+      "upcoming": "Tulevat",
+      "thisWeek": "Tällä viikolla",
+      "earlierThisMonth": "Aikaisemmin tässä kuussa",
+      "lastMonth": "Viime kuussa",
+      "earlierThisYear": "Aikaisemmin tänä vuonna",
+      "lastYear": "Viime vuonna",
+      "older": "Vanhemmat"
+    }
+  },
+  "ExpenseCard": {
+    "paidBy": "<strong>{paidBy}</strong> maksoi {forCount, plural, =1 {henkilön} other {henkilöiden}} <paidFor></paidFor> puolesta",
+    "receivedBy": "<strong>{paidBy}</strong> sai rahaa {forCount, plural, =1 {henkilön} other {henkilöiden}} <paidFor></paidFor> puolesta",
+    "yourBalance": "Saldosi:"
+  },
+  "Groups": {
+    "myGroups": "Omat ryhmät",
+    "create": "Luo ryhmä",
+    "loadingRecent": "Ladataan äskettäisiä ryhmiä…",
+    "NoRecent": {
+      "description": "Et ole ollut missään ryhmässä äskettäin.",
+      "create": "Luo uusi ryhmä",
+      "orAsk": "tai pyydä ystävää lähettämään linkki olemassaolevaan ryhmään."
+    },
+    "recent": "Äskettäiset",
+    "starred": "Suosikit",
+    "archived": "Arkistoidut",
+    "archive": "Arkistoi ryhmä",
+    "unarchive": "Palauta ryhmä arkistosta",
+    "removeRecent": "Poista äskettäisistä",
+    "RecentRemovedToast": {
+      "title": "Ryhmä poistettu",
+      "description": "Ryhmä poistettu äskettäisten listaltasi.",
+      "undoAlt": "Peruuta ryhmän poisto",
+      "undo": "Peruuta"
+    },
+    "AddByURL": {
+      "button": "Lisää URLilla",
+      "title": "Lisää ryhmä URL-osoitteella",
+      "description": "Jos ryhmä on jaettu sinulle, voit lisätä sen listaasi liittämällä URL-osoitteen tähän.",
+      "error": "Hups, emme löytäneet ryhmää antamastasi URL-osoitteesta…"
+    },
+    "NotFound": {
+      "text": "Tätä ryhmää ei löydy.",
+      "link": "Siirry äskettäisiin ryhmiin"
+    }
+  },
+  "GroupForm": {
+    "title": "Ryhmän tiedot",
+    "NameField": {
+      "label": "Ryhmän nimi",
+      "placeholder": "Kesälomareissu",
+      "description": "Syötä ryhmäsi nimi."
+    },
+    "InformationField": {
+      "label": "Ryhmän tiedot",
+      "placeholder": "Mitkä tiedot ovat merkityksellisiä ryhmän osallistujille?"
+    },
+    "CurrencyField": {
+      "label": "Valuuttamerkki",
+      "placeholder": "$, €, £…",
+      "description": "Näytetään rahasummien yhteydessä."
+    },
+    "Participants": {
+      "title": "Osallistujat",
+      "description": "Syötä jokaisen osallistujan nimi.",
+      "protectedParticipant": "Tätä osallistujaa ei voida poistaa, koska hän osallistuu kuluihin.",
+      "add": "Lisää osallistuja",
+      "new": "Uusi",
+      "John": "Antti",
+      "Jane": "Laura",
+      "Jack": "Jussi"
+    },
+    "Settings": {
+      "title": "Paikalliset asetukset",
+      "description": "Nämä asetukset ovat laitekohtaisia. Voit muokata niillä käytettävyyttä.",
+      "ActiveUserField": {
+        "label": "Aktiivinen käyttäjä",
+        "placeholder": "Valitse osallistuja",
+        "none": "Ei kukaan",
+        "description": "Käytetään kulujen oletusmaksajana."
+      },
+      "save": "Tallenna",
+      "saving": "Tallennetaan…",
+      "create": "Luo ryhmä",
+      "creating": "Luodaan…",
+      "cancel": "Peruuta"
+    }
+  },
+  "ExpenseForm": {
+    "Income": {
+      "create": "Lisää tulo",
+      "edit": "Muokkaa tuloa",
+      "TitleField": {
+        "label": "Otsikko",
+        "placeholder": "Maanantain ravintola",
+        "description": "Anna lyhyt kuvaus tulolle."
+      },
+      "DateField": {
+        "label": "Päivä",
+        "description": "Valitse päivä jolloin tulo saatiin."
+      },
+      "categoryFieldDescription": "Valitse tulokategoria.",
+      "paidByField": {
+        "label": "Vastaanottaja",
+        "description": "Valitse kuka vastaanotti tulon."
+      },
+      "paidFor": {
+        "title": "Tulon jakaminen",
+        "description": "Valitse kenelle tulo jaetaan."
+      },
+      "splitModeDescription": "Valitse miten tulo jaetaan osallistujien kesken.",
+      "attachDescription": "Katso ja liitä tuloon liittyviä kuitteja."
+    },
+    "Expense": {
+      "create": "Lisää kulu",
+      "edit": "Muokkaa kulua",
+      "TitleField": {
+        "label": "Otsikko",
+        "placeholder": "Maanantain ravintola",
+        "description": "Anna lyhyt kuvaus kululle."
+      },
+      "DateField": {
+        "label": "Päivä",
+        "description": "Valitse päivä jolloin kulu maksettiin."
+      },
+      "categoryFieldDescription": "Valitse kulukategoria.",
+      "paidByField": {
+        "label": "Maksaja",
+        "description": "Valitse kuka maksoi kulun."
+      },
+      "paidFor": {
+        "title": "Kulun jakaminen",
+        "description": "Valitse ketkä osallistuvat kuluun."
+      },
+      "splitModeDescription": "Valitse miten kulu jaetaan osallistujien kesken.",
+      "attachDescription": "Katso ja liitä kuluun liittyviä kuitteja."
+    },
+    "amountField": {
+      "label": "Summa"
+    },
+    "isReimbursementField": {
+      "label": "Tämä on velanmaksu"
+    },
+    "categoryField": {
+      "label": "Kategoria"
+    },
+    "notesField": {
+      "label": "Muistiinpanot"
+    },
+    "selectNone": "Tyhjennä valinnat",
+    "selectAll": "Valitse kaikki",
+    "shares": "osuutta",
+    "advancedOptions": "Lisäasetuksia jakamiseen…",
+    "SplitModeField": {
+      "label": "Jakamistapa",
+      "evenly": "Tasan",
+      "byShares": "Epätasan – osuuksien mukaan",
+      "byPercentage": "Epätasan – prosenttien mukaan",
+      "byAmount": "Epätasan – summan mukaan",
+      "saveAsDefault": "Tallenna oletustavaksi"
+    },
+    "DeletePopup": {
+      "label": "Poista",
+      "title": "Poistetaanko tämä kulu?",
+      "description": "Haluatko varmasti poistaa tämän kulun? Poistoa ei voi peruuttaa.",
+      "yes": "Kyllä",
+      "cancel": "Peruuta"
+    },
+    "attachDocuments": "Liitä dokumenttejä",
+    "create": "Lisää kulu",
+    "creating": "Luodaan kulua…",
+    "save": "Tallenna",
+    "saving": "Tallennetaan…",
+    "cancel": "Peruuta"
+  },
+  "ExpenseDocumentsInput": {
+    "TooBigToast": {
+      "title": "Tiedosto on liian suuri",
+      "description": "Maksimikoko ladattavalle tiedostolle on {maxSize}. Tiedostosi on ${size}."
+    },
+    "ErrorToast": {
+      "title": "Virhe tiedostoa ladattaessa",
+      "description": "Jokin meni vikaan dokumentin lataamisessa. Yritä myöhemmin uudelleen tai valitse toinen tiedosto.",
+      "retry": "Yritä uudelleen"
+    }
+  },
+  "CreateFromReceipt": {
+    "Dialog": {
+      "triggerTitle": "Luo kulu kuitista",
+      "title": "Luo kuitista",
+      "description": "Lue kuitin valokuvasta kulun tiedot.",
+      "body": "Lataa kuitista valokuva. Siitä skannataan tiedot kulua varten.",
+      "selectImage": "Valitse kuva…",
+      "titleLabel": "Otsikko:",
+      "categoryLabel": "Kategoria:",
+      "amountLabel": "Summa:",
+      "dateLabel": "Päivä:",
+      "editNext": "Voit muokata kulun tietoja seuraavaksi.",
+      "continue": "Jatka"
+    },
+    "unknown": "Unknown",
+    "TooBigToast": {
+      "title": "The file is too big",
+      "description": "The maximum file size you can upload is {maxSize}. Yours is ${size}."
+    },
+    "ErrorToast": {
+      "title": "Error while uploading document",
+      "description": "Something wrong happened when uploading the document. Please retry later or select a different file.",
+      "retry": "Retry"
+    }
+  },
+  "Balances": {
+    "title": "Saldo",
+    "description": "Osallistujien saatavat tai velat.",
+    "Reimbursements": {
+      "title": "Maksuehdotus",
+      "description": "Optimoitu ehdotus kuka maksaa kenellekin.",
+      "noImbursements": "Näyttää siltä, että kaikki ovat sujut 😁",
+      "owes": "<strong>{from}</strong> maksaa henkilölle <strong>{to}</strong>",
+      "markAsPaid": "Merkitse maksetuksi"
+    }
+  },
+  "Stats": {
+    "title": "Tilastot",
+    "Totals": {
+      "title": "Yhteenveto",
+      "description": "Koko ryhmän kulut.",
+      "groupSpendings": "Koko ryhmän kulutus",
+      "groupEarnings": "Koko ryhmän saatavat",
+      "yourSpendings": "Kulutuksesi",
+      "yourEarnings": "Saatavasi",
+      "yourShare": "Osuutesi"
+    }
+  },
+  "Activity": {
+    "title": "Tapahtumat",
+    "description": "Yleisnäkymä ryhmän kaikista tapahtumista.",
+    "noActivity": "Ryhmässäsi ei ole vielä tapahtumia.",
+    "someone": "Tuntematon",
+    "settingsModified": "<strong>{participant}</strong> muokkasi ryhmän asetuksia.",
+    "expenseCreated": "<strong>{participant}</strong> lisäsi kulun <em>{expense}</em>.",
+    "expenseUpdated": "<strong>{participant}</strong> muokkasi kulua <em>{expense}</em>.",
+    "expenseDeleted": "<strong>{participant}</strong> poisti kulun <em>{expense}</em>.",
+    "Groups": {
+      "today": "Tänään",
+      "yesterday": "Eilen",
+      "earlierThisWeek": "Tällä viikolla",
+      "lastWeek": "Viime viikolla",
+      "earlierThisMonth": "Tässä kuussa",
+      "lastMonth": "Viime kuussa",
+      "earlierThisYear": "Tänä vuonna",
+      "lastYear": "Viime vuonna",
+      "older": "Vanhemmat"
+    }
+  },
+  "Information": {
+    "title": "Tiedot",
+    "description": "Käytä tätä paikkaa lisätäksesi kaikki tiedot, joilla voi olla merkitystä ryhmän osallistujille.",
+    "empty": "Ryhmätietoja ei vielä ole."
+  },
+  "Settings": {
+    "title": "Asetukset"
+  },
+  "Locale": {
+    "en-US": "English",
+    "fi": "Suomi",
+    "fr-FR": "Français",
+    "es": "Español",
+    "de-DE": "Deutsch",
+    "zh-CN": "Chinese (Simplified)",
+    "ru-RU": "Русский"
+  },
+  "Share": {
+    "title": "Jaa",
+    "description": "Jaa ryhmän URL muille jäsenille, jotta he voivat nähdä sen ja lisätä kuluja.",
+    "warning": "Varoitus!",
+    "warningHelp": "Tällä URLilla kuka tahansa pääsee näkemään ja muokkaamaan kuluja. Jaa harkiten!"
+  },
+  "SchemaErrors": {
+    "min1": "Syötä vähintään yksi merkki.",
+    "min2": "Syötä vähintään kaksi merkkiä.",
+    "max5": "Syötä enintään viisi merkkiä.",
+    "max50": "Syötä enintään 50 merkkiä.",
+    "duplicateParticipantName": "Tämä nimi on jo toisella osallistujalla.",
+    "titleRequired": "Otsikko puuttuu.",
+    "invalidNumber": "Epäkelpo numero.",
+    "amountRequired": "Summa puuttuu.",
+    "amountNotZero": "Summa ei voi olla nolla.",
+    "amountTenMillion": "Summan pitää olla pienempi kuin 10 000 000.",
+    "paidByRequired": "Osallistuja puuttuu.",
+    "paidForMin1": "Valitse vähintään yksi osallistuja.",
+    "noZeroShares": "Jokaisen osuuden täytyy olla suurempi kuin 0.",
+    "amountSum": "Osuuksien summan täytyy vastata kulun summaa.",
+    "percentageSum": "Prosenttiosuuksien summan täytyy olla 100."
+  },
+  "Categories": {
+    "search": "Etsi kategoriaa...",
+    "noCategory": "Kategoriaa ei löydy.",
+    "Uncategorized": {
+      "heading": "Yleiset",
+      "General": "Yleinen",
+      "Payment": "Maksu"
+    },
+    "Entertainment": {
+      "heading": "Viihde",
+      "Entertainment": "Viihde",
+      "Games": "Pelit",
+      "Movies": "Elokuvat",
+      "Music": "Musiikki",
+      "Sports": "Urheilu"
+    },
+    "Food and Drink": {
+      "heading": "Ruoka ja juoma",
+      "Food and Drink": "Ruoka ja juoma",
+      "Dining Out": "Ulkona syöminen",
+      "Groceries": "Marketti",
+      "Liquor": "Alkoholi"
+    },
+    "Home": {
+      "heading": "Koti",
+      "Home": "Koti",
+      "Electronics": "Elektroniikka",
+      "Furniture": "Huonekalut",
+      "Household Supplies": "Taloustavarat",
+      "Maintenance": "Huolto",
+      "Mortgage": "Laina",
+      "Pets": "Lemmikit",
+      "Rent": "Vuokra",
+      "Services": "Palvelut"
+    },
+    "Life": {
+      "heading": "Elämä",
+      "Childcare": "Lastenhoito",
+      "Clothing": "Vaatteet",
+      "Education": "Opiskelu",
+      "Gifts": "Lahjat",
+      "Insurance": "Vakuutukset",
+      "Medical Expenses": "Terveydenhoito",
+      "Taxes": "Verot"
+    },
+    "Transportation": {
+      "heading": "Liikenne",
+      "Transportation": "Liikenne",
+      "Bicycle": "Polkupyörä",
+      "Bus/Train": "Bussi/juna",
+      "Car": "Auto",
+      "Gas/Fuel": "Polttoaine",
+      "Hotel": "Hotelli",
+      "Parking": "Pysäköinti",
+      "Plane": "Lentäminen",
+      "Taxi": "Taksi"
+    },
+    "Utilities": {
+      "heading": "Sekalaiset",
+      "Utilities": "Sekalaiset",
+      "Cleaning": "Siivous",
+      "Electricity": "Sähkö",
+      "Heat/Gas": "Lämmitys",
+      "Trash": "Jätehuolto",
+      "TV/Phone/Internet": "TV/Puhelin/Internet",
+      "Water": "Vesi"
+    }
+  }
+}

messages/fr-FR.json

@@ -0,0 +1,396 @@
+{
+  "Homepage": {
+    "title": "Partagez <strong>vos dépenses</strong> avec  <strong>vos amis</strong> & <strong>votre famille :)</strong>",
+    "description": "Bienvenue sur votre instance <strong>Spliit</strong> !",
+    "button": {
+      "groups": "Accéder aux groupes",
+      "github": "GitHub"
+    }
+  },
+  "Header": {
+    "groups": "Groupes"
+  },
+  "Footer": {
+    "madeIn": "Made in Montréal, Québec 🇨🇦",
+    "builtBy": "Développé par <author>Sebastien Castiel</author> et <source>contributeurs</source>"
+  },
+  "Expenses": {
+    "title": "Dépenses",
+    "description": "Voici les dépenses que vous avez créées pour votre groupe.",
+    "create": "Créer une dépense",
+    "createFirst": "Créer la première :)",
+    "noExpenses": "Votre groupe n'a effectué aucune dépense pour le moment.",
+    "exportJson": "Exporter en JSON",
+    "searchPlaceholder": "Rechercher une dépense…",
+    "ActiveUserModal": {
+      "title": "Qui êtes-vous ?",
+      "description": "Dites-nous quel participant vous êtes pour personnaliser l'affichage des informations.",
+      "nobody": "Je ne veux sélectionner personne",
+      "save": "Sauvegarder les modifications",
+      "footer": "Ce paramètre peut être modifié plus tard dans les paramètres du groupe."
+    },
+    "Groups": {
+      "upcoming": "À venir",
+      "thisWeek": "Cette semaine",
+      "earlierThisMonth": "Plus tôt ce mois-ci",
+      "lastMonth": "Le mois dernier",
+      "earlierThisYear": "Plus tôt cette année",
+      "lastYera": "L'année dernière",
+      "older": "Plus ancien"
+    }
+  },
+  "ExpenseCard": {
+    "paidBy": "Payé par <strong>{paidBy}</strong> pour <paidFor></paidFor>",
+    "receivedBy": "Reçu par <strong>{paidBy}</strong> pour <paidFor></paidFor>",
+    "yourBalance": "Votre solde :"
+  },
+  "Groups": {
+    "myGroups": "Mes groupes",
+    "create": "Créer",
+    "loadingRecent": "Chargement des groupes récents…",
+    "NoRecent": {
+      "description": "Vous n'avez visité aucun groupe récemment.",
+      "create": "Créer un groupe",
+      "orAsk": "ou demandez à un ami de vous envoyer le lien d'un groupe existant."
+    },
+    "recent": "Groupes récents",
+    "starred": "Groupes favoris",
+    "archived": "Groupes archivés",
+    "archive": "Archiver le groupe",
+    "unarchive": "Désarchiver le groupe",
+    "removeRecent": "Supprimer des groupes récents",
+    "RecentRemovedToast": {
+      "title": "Le groupe a été supprimé",
+      "description": "Le groupe a été supprimé de votre liste de groupes récents.",
+      "undoAlt": "Annuler la suppression du groupe",
+      "undo": "Annuler"
+    },
+    "AddByURL": {
+      "button": "Ajouter par URL",
+      "title": "Ajouter un groupe par URL",
+      "description": "Si un groupe a été partagé avec vous, vous pouvez coller son URL ici pour l'ajouter à votre liste.",
+      "error": "Oups, nous ne pouvons pas trouver le groupe à partir de l'URL que vous avez fournie…"
+    },
+    "NotFound": {
+      "text": "Ce groupe n'existe pas.",
+      "link": "Aller aux groupes récemment visités"
+    }
+  },
+  "GroupForm": {
+    "title": "Informations sur le groupe",
+    "NameField": {
+      "label": "Nom du groupe",
+      "placeholder": "Vacances d'été",
+      "description": "Entrez un nom pour votre groupe."
+    },
+    "InformationField": {
+      "label": "Informations sur le groupe",
+      "placeholder": "Quelles informations sont pertinentes pour les participants du groupe ?"
+    },
+    "CurrencyField": {
+      "label": "Symbole monétaire",
+      "placeholder": "$, €, £…",
+      "description": "Nous l'utiliserons pour afficher les montants."
+    },
+    "Participants": {
+      "title": "Participants",
+      "description": "Entrez le nom de chaque participant.",
+      "protectedParticipant": "Ce participant fait partie des dépenses et ne peut pas être supprimé.",
+      "new": "Nouveau",
+      "add": "Ajouter un participant",
+      "John": "John",
+      "Jane": "Jane",
+      "Jack": "Jack"
+    },
+    "Settings": {
+      "title": "Paramètres locaux",
+      "description": "Ces paramètres sont définis par appareil et sont utilisés pour personnaliser votre expérience.",
+      "ActiveUserField": {
+        "label": "Utilisateur actif",
+        "placeholder": "Sélectionner un participant",
+        "none": "Aucun",
+        "description": "Utilisateur utilisé comme défaut pour payer les dépenses."
+      },
+      "save": "Sauvegarder",
+      "saving": "Sauvegarde…",
+      "create": "Créer",
+      "creating": "Création…",
+      "cancel": "Annuler"
+    }
+  },
+  "ExpenseForm": {
+    "Income": {
+      "create": "Créer un revenu",
+      "edit": "Modifier le revenu",
+      "TitleField": {
+        "label": "Titre du revenu",
+        "placeholder": "Restaurant du lundi soir",
+        "description": "Entrez une description pour le revenu."
+      },
+      "DateField": {
+        "label": "Date du revenu",
+        "description": "Entrez la date à laquelle le revenu a été reçu."
+      },
+      "categoryFieldDescription": "Sélectionnez la catégorie de revenu.",
+      "paidByField": {
+        "label": "Reçu par",
+        "description": "Sélectionnez le participant qui a reçu le revenu."
+      },
+      "paidFor": {
+        "title": "Reçu pour",
+        "description": "Sélectionnez pour qui le revenu a été reçu."
+      },
+      "splitModeDescription": "Sélectionnez comment diviser le revenu.",
+      "attachDescription": "Voir et joindre des reçus au revenu."
+    },
+    "Expense": {
+      "create": "Créer une dépense",
+      "edit": "Modifier la dépense",
+      "TitleField": {
+        "label": "Titre de la dépense",
+        "placeholder": "Restaurant du lundi soir",
+        "description": "Entrez une description pour la dépense."
+      },
+      "DateField": {
+        "label": "Date de la dépense",
+        "description": "Entrez la date à laquelle la dépense a été payée."
+      },
+      "categoryFieldDescription": "Sélectionnez la catégorie de dépense.",
+      "paidByField": {
+        "label": "Payé par",
+        "description": "Sélectionnez le participant qui a réglé la dépense."
+      },
+      "paidFor": {
+        "title": "Payé pour",
+        "description": "Sélectionnez les participants concernés"
+      },
+      "splitModeDescription": "Sélectionnez comment diviser la dépense.",
+      "attachDescription": "Voir et joindre des reçus à la dépense."
+    },
+    "amountField": {
+      "label": "Montant"
+    },
+    "isReimbursementField": {
+      "label": "C'est un remboursement"
+    },
+    "categoryField": {
+      "label": "Catégorie"
+    },
+    "notesField": {
+      "label": "Notes"
+    },
+    "selectNone": "Tout désélectionner",
+    "selectAll": "Tout sélectionner",
+    "shares": "part(s)",
+    "advancedOptions": "Options de répartition avancées…",
+    "SplitModeField": {
+      "label": "Mode de répartition",
+      "evenly": "Également",
+      "byShares": "Inégalement – Par parts",
+      "byPercentage": "Inégalement – Par pourcentage",
+      "byAmount": "Inégalement – Par montant",
+      "saveAsDefault": "Enregistrer comme options de répartition par défaut"
+    },
+    "DeletePopup": {
+      "label": "Supprimer",
+      "title": "Supprimer cette dépense ?",
+      "description": "Voulez-vous vraiment supprimer cette dépense ? Cette action est irréversible.",
+      "yes": "Oui",
+      "cancel": "Annuler"
+    },
+    "attachDocuments": "Joindre des documents",
+    "create": "Créer",
+    "creating": "Création…",
+    "save": "Sauvegarder",
+    "saving": "Sauvegarde…",
+    "cancel": "Annuler"
+  },
+  "ExpenseDocumentsInput": {
+    "TooBigToast": {
+      "title": "Le fichier est trop grand",
+      "description": "La taille maximale du fichier que vous pouvez télécharger est {maxSize}. La vôtre est ${size}."
+    },
+    "ErrorToast": {
+      "title": "Erreur lors du téléchargement du document",
+      "description": "Un problème est survenu lors du téléchargement du document. Veuillez réessayer plus tard ou sélectionner un fichier différent.",
+      "retry": "Réessayer"
+    }
+  },
+  "CreateFromReceipt": {
+    "Dialog": {
+      "triggerTitle": "Créer une dépense à partir du reçu",
+      "title": "Créer à partir du reçu",
+      "description": "Extraire les informations de la dépense à partir d'une photo de reçu.",
+      "body": "Téléchargez la photo d'un reçu, et nous l'analyserons pour extraire les informations de la dépense si possible.",
+      "selectImage": "Sélectionner une image…",
+      "titleLabel": "Titre :",
+      "categoryLabel": "Catégorie :",
+      "amountLabel": "Montant :",
+      "dateLabel": "Date :",
+      "editNext": "Vous pourrez modifier les informations de la dépense ensuite.",
+      "continue": "Continuer"
+    },
+    "unknown": "Inconnu",
+    "TooBigToast": {
+      "title": "Le fichier est trop grand",
+      "description": "La taille maximale du fichier que vous pouvez télécharger est {maxSize}. La vôtre est ${size}."
+    },
+    "ErrorToast": {
+      "title": "Erreur lors du téléchargement du document",
+      "description": "Un problème est survenu lors du téléchargement du document. Veuillez réessayer plus tard ou sélectionner un fichier différent.",
+      "retry": "Réessayer"
+    }
+  },
+  "Balances": {
+    "title": "Équilibres",
+    "description": "Voici le montant que chaque participant a payé ou doit rembourser.",
+    "Reimbursements": {
+      "title": "Remboursements suggérés",
+      "description": "Voici des suggestions pour des remboursements optimisés entre les participants.",
+      "noImbursements": "Les dépenses effectuées ne nécessitent pas d'équilibrage 😁",
+      "owes": "<strong>{from}</strong> doit à <strong>{to}</strong>",
+      "markAsPaid": "Marquer comme payé"
+    }
+  },
+  "Stats": {
+    "title": "Statistiques",
+    "Totals": {
+      "title": "Totaux",
+      "description": "Résumé des dépenses du groupe entier.",
+      "groupSpendings": "Total des dépenses du groupe",
+      "groupEarnings": "Total des revenus du groupe",
+      "yourSpendings": "Vos dépenses totales",
+      "yourEarnings": "Vos revenus totaux",
+      "yourShare": "Votre part totale"
+    }
+  },
+  "Activity": {
+    "title": "Activité",
+    "description": "Vue d'ensemble de toute l'activité dans ce groupe.",
+    "noActivity": "Il n'y a pas encore d'activité dans votre groupe.",
+    "someone": "Quelqu'un",
+    "settingsModified": "Les paramètres du groupe ont été modifiés par <strong>{participant}</strong>.",
+    "expenseCreated": "Dépense <em>{expense}</em> créée par <strong>{participant}</strong>.",
+    "expenseUpdated": "Dépense <em>{expense}</em> mise à jour par <strong>{participant}</strong>.",
+    "expenseDeleted": "Dépense <em>{expense}</em> supprimée par <strong>{participant}</strong>.",
+    "Groups": {
+      "today": "Aujourd'hui",
+      "yesterday": "Hier",
+      "earlierThisWeek": "Plus tôt cette semaine",
+      "lastWeek": "La semaine dernière",
+      "earlierThisMonth": "Plus tôt ce mois-ci",
+      "lastMonth": "Le mois dernier",
+      "earlierThisYear": "Plus tôt cette année",
+      "lastYear": "L'année dernière",
+      "older": "Plus ancien"
+    }
+  },
+  "Information": {
+    "title": "Information",
+    "description": "Utilisez cet espace pour ajouter toute information qui pourrait être pertinente pour les participants du groupe.",
+    "empty": "Aucune information pour le moment."
+  },
+  "Settings": {
+    "title": "Paramètres"
+  },
+  "Locale": {
+    "en-US": "English",
+    "fi": "Suomi",
+    "fr-FR": "Français",
+    "es": "Español",
+    "de-DE": "Deutsch",
+    "zh-CN": "Chinese (Simplified)",
+    "ru-RU": "Русский"
+  },
+  "Share": {
+    "title": "Partager",
+    "description": "Pour que d'autres participants puissent voir le groupe et ajouter des dépenses, partagez son URL avec eux.",
+    "warning": "Avertissement !",
+    "warningHelp": "Toute personne ayant l'URL du groupe pourra voir et modifier les dépenses. Partagez avec prudence !"
+  },
+  "SchemaErrors": {
+    "min1": "Entrez au moins un caractère.",
+    "min2": "Entrez au moins deux caractères.",
+    "max5": "Entrez au maximum cinq caractères.",
+    "max50": "Entrez au maximum 50 caractères.",
+    "duplicateParticipantName": "Un autre participant a déjà ce nom.",
+    "titleRequired": "Veuillez entrer un titre.",
+    "invalidNumber": "Nombre invalide.",
+    "amountRequired": "Vous devez entrer un montant.",
+    "amountNotZero": "Le montant ne doit pas être zéro.",
+    "amountTenMillion": "Le montant doit être inférieur à 10 000 000.",
+    "paidByRequired": "Vous devez sélectionner un participant.",
+    "paidForMin1": "La dépense doit concerner au moins un participant.",
+    "noZeroShares": "Toutes les parts doivent être supérieures à 0.",
+    "amountSum": "La somme des montants doit être égale au montant de la dépense.",
+    "percentageSum": "La somme des pourcentages doit être égale à 100."
+  },
+  "Categories": {
+    "search": "Rechercher une catégorie…",
+    "noCategory": "Aucune catégorie trouvée.",
+    "Uncategorized": {
+      "heading": "Non classé",
+      "General": "Général",
+      "Payment": "Paiement"
+    },
+    "Entertainment": {
+      "heading": "Divertissement",
+      "Entertainment": "Divertissement",
+      "Games": "Jeux",
+      "Movies": "Films",
+      "Music": "Musique",
+      "Sports": "Sports"
+    },
+    "Food and Drink": {
+      "heading": "Nourriture et boissons",
+      "Food and Drink": "Nourriture et boissons",
+      "Dining Out": "Repas au restaurant",
+      "Groceries": "Épicerie",
+      "Liquor": "Alcool"
+    },
+    "Home": {
+      "heading": "Maison",
+      "Home": "Maison",
+      "Electronics": "Électronique",
+      "Furniture": "Mobilier",
+      "Household Supplies": "Fournitures ménagères",
+      "Maintenance": "Entretien",
+      "Mortgage": "Hypothèque",
+      "Pets": "Animaux",
+      "Rent": "Loyer",
+      "Services": "Services"
+    },
+    "Life": {
+      "heading": "Vie",
+      "Childcare": "Garde d'enfants",
+      "Clothing": "Vêtements",
+      "Education": "Éducation",
+      "Gifts": "Cadeaux",
+      "Insurance": "Assurance",
+      "Medical Expenses": "Dépenses médicales",
+      "Taxes": "Impôts"
+    },
+    "Transportation": {
+      "heading": "Transport",
+      "Transportation": "Transport",
+      "Bicycle": "Bicyclette",
+      "Bus/Train": "Bus/Train",
+      "Car": "Voiture",
+      "Gas/Fuel": "Essence/Carburant",
+      "Hotel": "Hôtel",
+      "Parking": "Parking",
+      "Plane": "Avion",
+      "Taxi": "Taxi"
+    },
+    "Utilities": {
+      "heading": "Services publics",
+      "Utilities": "Services publics",
+      "Cleaning": "Nettoyage",
+      "Electricity": "Électricité",
+      "Heat/Gas": "Chauffage/Gaz",
+      "Trash": "Poubelle",
+      "TV/Phone/Internet": "TV/Téléphone/Internet",
+      "Water": "Eau"
+    }
+  }
+}

messages/ru-RU.json

@@ -0,0 +1,396 @@
+{
+  "Homepage": {
+    "title": "Делитесь <strong>расходами</strong> с <strong>друзьями и семьей</strong>",
+    "description": "Добро пожаловать в вашу новую инстанцию <strong>Spliit</strong>!",
+    "button": {
+      "groups": "Перейти к группам",
+      "github": "GitHub"
+    }
+  },
+  "Header": {
+    "groups": "Группы"
+  },
+  "Footer": {
+    "madeIn": "Сделано в Монреале, Квебек 🇨🇦",
+    "builtBy": "Создано <author>Sebastien Castiel</author> и <source>соавторами</source>"
+  },
+  "Expenses": {
+    "title": "Расходы",
+    "description": "В этом разделе находятся расходы вашей группы.",
+    "create": "Создать расход",
+    "createFirst": "Создать первый расход",
+    "noExpenses": "У вашей группы пока что нет расходов.",
+    "exportJson": "Экспортировать в JSON",
+    "searchPlaceholder": "Поиск расходов…",
+    "ActiveUserModal": {
+      "title": "Кто вы?",
+      "description": "Скажите нам, кто вы из этого списка, чтобы мы могли подстроить интерфейс под вас.",
+      "nobody": "Не хочу выбирать",
+      "save": "Сохранить изменения",
+      "footer": "Вы сможете изменить это в настройках группы."
+    },
+    "Groups": {
+      "upcoming": "Будущее",
+      "thisWeek": "На этой неделе",
+      "earlierThisMonth": "Ранее в этом месяце",
+      "lastMonth": "В прошлом месяце",
+      "earlierThisYear": "Ранее в этом году",
+      "lastYera": "В прошлом году",
+      "older": "Очень давно"
+    }
+  },
+  "ExpenseCard": {
+    "paidBy": "Потратил <strong>{paidBy}</strong> за <paidFor></paidFor>",
+    "receivedBy": "Получил <strong>{paidBy}</strong> за <paidFor></paidFor>",
+    "yourBalance": "Изменение баланса участника:"
+  },
+  "Groups": {
+    "myGroups": "Мои группы",
+    "create": "Создать",
+    "loadingRecent": "Загрузка недавних групп…",
+    "NoRecent": {
+      "description": "У вас нет недавних групп.",
+      "create": "Вы можете создать группу",
+      "orAsk": "или попросить вашего друга отправить вам ссылку на существующую."
+    },
+    "recent": "Недавние группы",
+    "starred": "Избранные",
+    "archived": "Архивированные группы",
+    "archive": "Архивировать группу",
+    "unarchive": "Восстановить группу",
+    "removeRecent": "Убрать группу из недавних",
+    "RecentRemovedToast": {
+      "title": "Группа убрана",
+      "description": "Группа была убрана из вашего списка недавних групп.",
+      "undoAlt": "Отменить удаление группы из этого списка",
+      "undo": "Отмена"
+    },
+    "AddByURL": {
+      "button": "Добавить по URL",
+      "title": "Добавить группу по URL",
+      "description": "Если с вами поделились ссылкой на группу, вставьте ее сюда, чтобы добавить ее в ваш список.",
+      "error": "К сожалению, мы не смогли найти группу по этому URL."
+    },
+    "NotFound": {
+      "text": "Этой группы не существует",
+      "link": "Перейти к списку недавних групп"
+    }
+  },
+  "GroupForm": {
+    "title": "Сведения о группе",
+    "NameField": {
+      "label": "Название группы",
+      "placeholder": "Летние поездки",
+      "description": "Введите название вашей группы."
+    },
+    "InformationField": {
+      "label": "Информация о группе",
+      "placeholder": "Что важно знать участникам этой группы?"
+    },
+    "CurrencyField": {
+      "label": "Символ валюты",
+      "placeholder": "$, €, £…",
+      "description": "Этот символ будет использован для отображений денежных сумм."
+    },
+    "Participants": {
+      "title": "Участники",
+      "description": "Введите имя каждого участника.",
+      "protectedParticipant": "Этот участник — часть расходов, и поэтому не может быть удален.",
+      "new": "Новый участник",
+      "add": "Добавить участника",
+      "John": "Александр",
+      "Jane": "Михаил",
+      "Jack": "Иван"
+    },
+    "Settings": {
+      "title": "Локальные настройки",
+      "description": "Эти настройки хранятся на вашем устройстве и используются для подстройки интерфейса для вас.",
+      "ActiveUserField": {
+        "label": "Активный участник",
+        "placeholder": "Выберите участника",
+        "none": "Не выбран",
+        "description": "Этот участник будет автоматически выбран при создании нового расхода."
+      },
+      "save": "Сохранить",
+      "saving": "Сохранение…",
+      "create": "Создать",
+      "creating": "Создание…",
+      "cancel": "Отмена"
+    }
+  },
+  "ExpenseForm": {
+    "Income": {
+      "create": "Создать доход",
+      "edit": "Изменить доход",
+      "TitleField": {
+        "label": "Название доходв",
+        "placeholder": "Поход в ресторан",
+        "description": "Введите описание для этого дохода."
+      },
+      "DateField": {
+        "label": "Дата дохода",
+        "description": "Введите дату, когда этот доход был получен."
+      },
+      "categoryFieldDescription": "Выберите категорию дохода.",
+      "paidByField": {
+        "label": "Получивший",
+        "description": "Выберите участника, который получил этот доход."
+      },
+      "paidFor": {
+        "title": "Участники",
+        "description": "Выберите тех, между кем этот доход будет распределен."
+      },
+      "splitModeDescription": "Выберите, как доход необходимо распределить между людьми.",
+      "attachDescription": "Просмотр и прикрепление чеков к этому расходу."
+    },
+    "Expense": {
+      "create": "Создать расход",
+      "edit": "Изменить расход",
+      "TitleField": {
+        "label": "Название расхода",
+        "placeholder": "Поход в ресторан",
+        "description": "Введите описание для этого расхода."
+      },
+      "DateField": {
+        "label": "Дата расхода",
+        "description": "Введите дату, когда этот расход был совершен."
+      },
+      "categoryFieldDescription": "Выберите категорию расхода.",
+      "paidByField": {
+        "label": "Оплативший",
+        "description": "Выберите участника, который оплатил этот расход."
+      },
+      "paidFor": {
+        "title": "Участники",
+        "description": "Выберите тех, между кем этот расход будет распределен. Если этот расход — возмещение участнику (участникам), выберите только его (их)."
+      },
+      "splitModeDescription": "Выберите, как расход необходимо распределить между людьми.",
+      "attachDescription": "Просмотр и прикрепление чеков к этому доходу."
+    },
+    "amountField": {
+      "label": "Сумма"
+    },
+    "isReimbursementField": {
+      "label": "Этот расход является возмещением"
+    },
+    "categoryField": {
+      "label": "Категория"
+    },
+    "notesField": {
+      "label": "Заметки"
+    },
+    "selectNone": "Выбрать никого",
+    "selectAll": "Выбрать всех",
+    "shares": "доля(и)",
+    "advancedOptions": "Дополнительные настройки распределения…",
+    "SplitModeField": {
+      "label": "Режим разделения",
+      "evenly": "Равный",
+      "byShares": "Неравный – По долям",
+      "byPercentage": "Неравный – По процентам",
+      "byAmount": "Неравный – По суммам",
+      "saveAsDefault": "Сделать режимом по умолчанию"
+    },
+    "DeletePopup": {
+      "label": "Удалить",
+      "title": "Удалить этот расход?",
+      "description": "Вы действительно хотите удалить этот расход? Это действие нельзя отменить.",
+      "yes": "Удалить",
+      "cancel": "Отмена"
+    },
+    "attachDocuments": "Прикрепить документы",
+    "create": "Создать",
+    "creating": "Создание…",
+    "save": "Сохранить",
+    "saving": "Сохранение…",
+    "cancel": "Отмена"
+  },
+  "ExpenseDocumentsInput": {
+    "TooBigToast": {
+      "title": "Файл слишком большой",
+      "description": "Максимальный размер файла, который можно загрузить — {maxSize}. Размер вашего файла — ${size}."
+    },
+    "ErrorToast": {
+      "title": "Ошибка при загрузке документа",
+      "description": "При загрузке документа что-то пошло не так. Пожалуйста, повторите позднее или попробуйте загрузить другой файл.",
+      "retry": "Повторить"
+    }
+  },
+  "CreateFromReceipt": {
+    "Dialog": {
+      "triggerTitle": "Создать расход из чека",
+      "title": "Создать из чека",
+      "description": "Извлечение информации о расходах из фотографии чека",
+      "body": "Загрузите фотографию чека, и мы попытаемся отсканировать его, чтобы извлечь информацию о расходах.",
+      "selectImage": "Выбрать изображение…",
+      "titleLabel": "Название:",
+      "categoryLabel": "Категория:",
+      "amountLabel": "Сумма:",
+      "dateLabel": "Дата:",
+      "editNext": "Вы сможете изменить эту информацию позднее.",
+      "continue": "Продолжить"
+    },
+    "unknown": "Неизвестно",
+    "TooBigToast": {
+      "title": "Файл слишком большой",
+      "description": "Максимальный размер файла, который можно загрузить — {maxSize}. Размер вашего файла — ${size}."
+    },
+    "ErrorToast": {
+      "title": "Ошибка при загрузке документа",
+      "description": "При загрузке документа что-то пошло не так. Пожалуйста, повторите позднее или попробуйте загрузить другой файл.",
+      "retry": "Повторить"
+    }
+  },
+  "Balances": {
+    "title": "Балансы",
+    "description": "Это список балансов всех участников группы. Баланс увеличивается у тех, кто оплачивает расход, и уменьшается у тех, между кем он был распределен.",
+    "Reimbursements": {
+      "title": "Предложенные возмещения",
+      "description": "Вот список задолженностей между участниками.",
+      "noImbursements": "Похоже, все в расчете 😁",
+      "owes": "<strong>{from}</strong> должен <strong>{to}</strong>",
+      "markAsPaid": "Пометить оплаченным"
+    }
+  },
+  "Stats": {
+    "title": "Статистика",
+    "Totals": {
+      "title": "Итоговые суммы",
+      "description": "Общая информация о расходах вашей группы.",
+      "groupSpendings": "Всего потрачено группой",
+      "groupEarnings": "Всего заработано группой",
+      "yourSpendings": "Всего потрачено вами",
+      "yourEarnings": "Всего заработано вами",
+      "yourShare": "Ваша суммарная доля"
+    }
+  },
+  "Activity": {
+    "title": "Активность",
+    "description": "Обзор действий, совершенных участниками этой группы.",
+    "noActivity": "История действий пуста.",
+    "someone": "Аноним",
+    "settingsModified": "Настройки группы изменены участником <strong>{participant}</strong>.",
+    "expenseCreated": "Расход <em>{expense}</em> создан участником <strong>{participant}</strong>.",
+    "expenseUpdated": "Расход <em>{expense}</em> изменен участником <strong>{participant}</strong>.",
+    "expenseDeleted": "Расход <em>{expense}</em> удален участником <strong>{participant}</strong>.",
+    "Groups": {
+      "today": "Сегодня",
+      "yesterday": "Вчера",
+      "earlierThisWeek": "Ранее на этой неделе",
+      "lastWeek": "На прошлой неделе",
+      "earlierThisMonth": "Ранее в этом месяце",
+      "lastMonth": "В прошлом месяце",
+      "earlierThisYear": "Ранее в этом году",
+      "lastYear": "В прошлом году",
+      "older": "Очень давно"
+    }
+  },
+  "Information": {
+    "title": "Информация",
+    "description": "В этом разделе вы можете добавить важную для участников информацию.",
+    "empty": "Информации нет."
+  },
+  "Settings": {
+    "title": "Настройки"
+  },
+  "Locale": {
+    "en-US": "English",
+    "fi": "Suomi",
+    "fr-FR": "Français",
+    "es": "Español",
+    "de-DE": "Deutsch",
+    "zh-CN": "Chinese (Simplified)",
+    "ru-RU": "Русский"
+  },
+  "Share": {
+    "title": "Поделиться",
+    "description": "Чтобы другие участники получили доступ к этой группе и смогли добавлять расходы, отправьте им этот URL.",
+    "warning": "Внимание!",
+    "warningHelp": "Любой человек с доступом к этой ссылке сможет просматривать и редактировать расходы. Будьте осторожны!"
+  },
+  "SchemaErrors": {
+    "min1": "Введите как минимум один символ.",
+    "min2": "Введите как минимум два символа.",
+    "max5": "Введите максимум 5 символов.",
+    "max50": "Введите максимум 50 символов.",
+    "duplicateParticipantName": "Участник с таким именем уже существует.",
+    "titleRequired": "Пожалуйста, введите название.",
+    "invalidNumber": "Неверное число.",
+    "amountRequired": "Пожалуйста, введите сумму.",
+    "amountNotZero": "Сумма не может быть нулевой.",
+    "amountTenMillion": "Сумма должна быть меньше 10 000 000.",
+    "paidByRequired": "Пожалуйста, выберите участника.",
+    "paidForMin1": "За этот расход должен заплатить как минимум один участник.",
+    "noZeroShares": "Все доли должны быть больше 0.",
+    "amountSum": "Сумма расхода должна быть равна сумме значений, распределенных между участниками.",
+    "percentageSum": "Сумма процентов должна быть равна 100."
+  },
+  "Categories": {
+    "search": "Поиск категорий...",
+    "noCategory": "Категорий не нашлось.",
+    "Uncategorized": {
+      "heading": "Без категории",
+      "General": "Общее",
+      "Payment": "Выплата"
+    },
+    "Entertainment": {
+      "heading": "Развлечения",
+      "Entertainment": "Развлечения",
+      "Games": "Игры",
+      "Movies": "Кино",
+      "Music": "Музыка",
+      "Sports": "Спорт"
+    },
+    "Food and Drink": {
+      "heading": "Еда и напитки",
+      "Food and Drink": "Еда и напитки",
+      "Dining Out": "Рестораны и кафе",
+      "Groceries": "Продукты",
+      "Liquor": "Напитки"
+    },
+    "Home": {
+      "heading": "Дом",
+      "Home": "Дом",
+      "Electronics": "Электроника",
+      "Furniture": "Мебель",
+      "Household Supplies": "Расходные материалы",
+      "Maintenance": "Уборка",
+      "Mortgage": "Ипотека",
+      "Pets": "Домашние животные",
+      "Rent": "Аренда",
+      "Services": "Коммунальные расходы"
+    },
+    "Life": {
+      "heading": "Жизнь",
+      "Childcare": "Дети",
+      "Clothing": "Одежда",
+      "Education": "Образование",
+      "Gifts": "Подарки",
+      "Insurance": "Страховки",
+      "Medical Expenses": "Медицина",
+      "Taxes": "Налоги"
+    },
+    "Transportation": {
+      "heading": "Транспорт",
+      "Transportation": "Транспорт",
+      "Bicycle": "Велосипед",
+      "Bus/Train": "Автобусы и поезда",
+      "Car": "Авто",
+      "Gas/Fuel": "Топливо",
+      "Hotel": "Отели",
+      "Parking": "Парковка",
+      "Plane": "Самолеты",
+      "Taxi": "Такси"
+    },
+    "Utilities": {
+      "heading": "Коммунальные расходы",
+      "Utilities": "Коммунальные расходы",
+      "Cleaning": "Клининг",
+      "Electricity": "Электричество",
+      "Heat/Gas": "Отопление/Газ",
+      "Trash": "Утилизация отходов",
+      "TV/Phone/Internet": "ТВ/Телефон/Интернет",
+      "Water": "Вода"
+    }
+  }
+}

messages/zh-CN.json

@@ -0,0 +1,396 @@
+{
+  "Homepage": {
+    "title": "与<strong>朋友和家人</strong>共享<strong>开支</strong>",
+    "description": "欢迎使用你的全新<strong>Spliit</strong>实例！",
+    "button": {
+      "groups": "前往群组",
+      "github": "GitHub"
+    }
+  },
+  "Header": {
+    "groups": "群组"
+  },
+  "Footer": {
+    "madeIn": "Made in Montréal, Québec 🇨🇦",
+    "builtBy": "由 <author>Sebastien Castiel</author> 以及 <source>社区贡献者们</source> 共同构建"
+  },
+  "Expenses": {
+    "title": "消费",
+    "description": "这里有你为你的群组创建的消费。",
+    "create": "创建消费",
+    "createFirst": "创建首个消费",
+    "noExpenses": "你的群组内目前没有任何消费。",
+    "exportJson": "导出到JSON",
+    "searchPlaceholder": "查找消费……",
+    "ActiveUserModal": {
+      "title": "你是哪位？",
+      "description": "告诉我们你在群组中的身份，以便定制你的信息呈现方式。",
+      "nobody": "我不想选择任何人",
+      "save": "保存变更",
+      "footer": "此项设定之后可以在群组设定中修改。"
+    },
+    "Groups": {
+      "upcoming": "即将到来",
+      "thisWeek": "本周",
+      "earlierThisMonth": "本月早些时候",
+      "lastMonth": "上个月",
+      "earlierThisYear": "本年早些时候",
+      "lastYera": "去年",
+      "older": "更早"
+    }
+  },
+  "ExpenseCard": {
+    "paidBy": "<strong>{paidBy}</strong> 为 <paidFor></paidFor> 支付。",
+    "receivedBy": "<strong>{paidBy}</strong> 为 <paidFor></paidFor> 接收。",
+    "yourBalance": "你的余额："
+  },
+  "Groups": {
+    "myGroups": "我的群组",
+    "create": "创建",
+    "loadingRecent": "加载最近的群组……",
+    "NoRecent": {
+      "description": "你最近没有访问任何群组。",
+      "create": "创建一个群组",
+      "orAsk": "或者让你的朋友发给你现有群组的链接。"
+    },
+    "recent": "最近的群组",
+    "starred": "已收藏的群组",
+    "archived": "已归档的群组",
+    "archive": "归档群组",
+    "unarchive": "取消归档群组",
+    "removeRecent": "从最近的群组中删除",
+    "RecentRemovedToast": {
+      "title": "群组已删除",
+      "description": "群组已从你的最近群组列表中删除。",
+      "undoAlt": "撤销群组删除",
+      "undo": "撤销"
+    },
+    "AddByURL": {
+      "button": "使用URL添加",
+      "title": "使用URL添加一个群组",
+      "description": "如果你被分享了一个群组，你可以将群组的URL粘贴到这里以添加这个群组。",
+      "error": "哎呀，我们没办法根据你的URL找到相应的群组……"
+    },
+    "NotFound": {
+      "text": "该群组不存在。",
+      "link": "跳转到最近访问过的群组"
+    }
+  },
+  "GroupForm": {
+    "title": "群组信息",
+    "NameField": {
+      "label": "群组名",
+      "placeholder": "暑假",
+      "description": "为你的群组输入一个名字。"
+    },
+    "InformationField": {
+      "label": "群组信息",
+      "placeholder": "哪些信息与群组成员有关？"
+    },
+    "CurrencyField": {
+      "label": "货币标志",
+      "placeholder": "$, €, £…",
+      "description": "我们根据这个显示相应的货币金额。"
+    },
+    "Participants": {
+      "title": "群组成员",
+      "description": "输入每位成员的名字。",
+      "protectedParticipant": "群组成员是消费的一部分，不可删除。",
+      "new": "新建",
+      "add": "添加群组成员",
+      "John": "John",
+      "Jane": "Jane",
+      "Jack": "Jack"
+    },
+    "Settings": {
+      "title": "本地设定",
+      "description": "这些设定是按设备设定的，用于定制你的使用体验。",
+      "ActiveUserField": {
+        "label": "当前用户",
+        "placeholder": "选择一个群组成员",
+        "none": "无",
+        "description": "用于支付消费的默认用户。"
+      },
+      "save": "保存",
+      "saving": "保存中……",
+      "create": "创建",
+      "creating": "创建中",
+      "cancel": "取消"
+    }
+  },
+  "ExpenseForm": {
+    "Income": {
+      "create": "创建收入",
+      "edit": "编辑收入",
+      "TitleField": {
+        "label": "收入标题",
+        "placeholder": "周一晚上的餐厅",
+        "description": "描述这个收入。"
+      },
+      "DateField": {
+        "label": "收入日期",
+        "description": "输入收到这笔收入的日期。"
+      },
+      "categoryFieldDescription": "选择收入类别。",
+      "paidByField": {
+        "label": "接收到",
+        "description": "选择接收到这笔收入的群组成员。"
+      },
+      "paidFor": {
+        "title": "接收给",
+        "description": "选择收入是为谁而收。"
+      },
+      "splitModeDescription": "选择如何划分这笔收入。",
+      "attachDescription": "查看并为这笔收入附加收据。"
+    },
+    "Expense": {
+      "create": "创建消费",
+      "edit": "编辑消费",
+      "TitleField": {
+        "label": "消费标题",
+        "placeholder": "周一晚上的餐厅",
+        "description": "描述这个消费。"
+      },
+      "DateField": {
+        "label": "消费日期",
+        "description": "输入支付这笔消费的日期。"
+      },
+      "categoryFieldDescription": "选择消费类别。",
+      "paidByField": {
+        "label": "支付自",
+        "description": "选择支付这笔消费的群组成员。"
+      },
+      "paidFor": {
+        "title": "支付给",
+        "description": "选择消费是为谁而支出。"
+      },
+      "splitModeDescription": "选择如何划分这笔消费。",
+      "attachDescription": "查看并为这笔消费附加收据。"
+    },
+    "amountField": {
+      "label": "金额"
+    },
+    "isReimbursementField": {
+      "label": "这是一笔报销款"
+    },
+    "categoryField": {
+      "label": "类别"
+    },
+    "notesField": {
+      "label": "附注"
+    },
+    "selectNone": "取消选中",
+    "selectAll": "全选",
+    "shares": "份额",
+    "advancedOptions": "高级分账选项……",
+    "SplitModeField": {
+      "label": "分账模式",
+      "evenly": "平均分配",
+      "byShares": "按份额分配",
+      "byPercentage": "按百分比分配",
+      "byAmount": "按金额分配",
+      "saveAsDefault": "保存为默认分账设置"
+    },
+    "DeletePopup": {
+      "label": "删除",
+      "title": "要删除这项消费吗？",
+      "description": "你真的确定要删除这项消费吗？此行动不可撤销。",
+      "yes": "确定",
+      "cancel": "取消"
+    },
+    "attachDocuments": "附加文档",
+    "create": "创建",
+    "creating": "创建中……",
+    "save": "保存",
+    "saving": "保存中……",
+    "cancel": "取消"
+  },
+  "ExpenseDocumentsInput": {
+    "TooBigToast": {
+      "title": "文件过大",
+      "description": "可上传的最大文件大小为{maxSize}，你的文件为${size}。"
+    },
+    "ErrorToast": {
+      "title": "上传文档时发生错误",
+      "description": "上传文档时发生了一些错误。请稍后重试或更换文件。",
+      "retry": "重试"
+    }
+  },
+  "CreateFromReceipt": {
+    "Dialog": {
+      "triggerTitle": "从收据中创建消费",
+      "title": "从收据中创建",
+      "description": "从收据照片上提取消费信息。",
+      "body": "上传收据的图片，我们会尽可能地从中扫描出消费信息。",
+      "selectImage": "选择图片……",
+      "titleLabel": "标题：",
+      "categoryLabel": "类别：",
+      "amountLabel": "金额：",
+      "dateLabel": "日期：",
+      "editNext": "你之后可以修改消费的信息。",
+      "continue": "继续"
+    },
+    "unknown": "未知",
+    "TooBigToast": {
+      "title": "文件过大",
+      "description": "可上传的最大文件大小为{maxSize}，你的文件为${size}。"
+    },
+    "ErrorToast": {
+      "title": "上传文档时发生错误",
+      "description": "上传文档时发生了一些错误。请稍后重试或更换文件。",
+      "retry": "重试"
+    }
+  },
+  "Balances": {
+    "title": "余额",
+    "description": "这是每位群组成员支付或被支付的金额。",
+    "Reimbursements": {
+      "title": "建议报销",
+      "description": "这里是优化群组成员之间报销的建议。",
+      "noImbursements": "看起来你的群组不需要任何报销😁",
+      "owes": "<strong>{from}</strong> 欠 <strong>{to}</strong>",
+      "markAsPaid": "标记为已支付"
+    }
+  },
+  "Stats": {
+    "title": "统计",
+    "Totals": {
+      "title": "总计",
+      "description": "整个群组的花费合计。",
+      "groupSpendings": "群组总计开销",
+      "groupEarnings": "群组总计收入",
+      "yourSpendings": "你的总计开销",
+      "yourEarnings": "你的总计收入",
+      "yourShare": "你的总计份额"
+    }
+  },
+  "Activity": {
+    "title": "活动",
+    "description": "该群组所有活动总览",
+    "noActivity": "你的群组目前没有任何活动。",
+    "someone": "某人",
+    "settingsModified": "群组设定已被<strong>{participant}</strong>更改。",
+    "expenseCreated": "消费 <em>{expense}</em> 由 <strong>{participant}</strong> 创建。",
+    "expenseUpdated": "消费 <em>{expense}</em> 由 <strong>{participant}</strong> 更新。",
+    "expenseDeleted": "消费 <em>{expense}</em> 由 <strong>{participant}</strong> 删除。",
+    "Groups": {
+      "today": "今天",
+      "yesterday": "昨天",
+      "earlierThisWeek": "这周早些时候",
+      "lastWeek": "上周",
+      "earlierThisMonth": "这月早些时候",
+      "lastMonth": "上月",
+      "earlierThisYear": "这年早些时候",
+      "lastYear": "上年",
+      "older": "更早"
+    }
+  },
+  "Information": {
+    "title": "信息",
+    "description": "使用此处以添加与群组成员相关的任何信息。",
+    "empty": "当前没有群组信息。"
+  },
+  "Settings": {
+    "title": "设定"
+  },
+  "Locale": {
+    "en-US": "English",
+    "fi": "Suomi",
+    "fr-FR": "Français",
+    "es": "Español",
+    "de-DE": "Deutsch",
+    "zh-CN": "Chinese (Simplified)",
+    "ru-RU": "Русский"
+  },
+  "Share": {
+    "title": "分享",
+    "description": "请将此URL分享给其他群组成员，以使其可以查看群组并添加消费。",
+    "warning": "警告！",
+    "warningHelp": "任何持有群组URL的个体都有能够查看并编辑消费。请谨慎分享！"
+  },
+  "SchemaErrors": {
+    "min1": "输入至少1个字符。",
+    "min2": "输入至少2个字符。",
+    "max5": "输入至少5个字符。",
+    "max50": "输入至少50个字符。",
+    "duplicateParticipantName": "此名字已被另一位群组成员占用。",
+    "titleRequired": "请输入标题。",
+    "invalidNumber": "无效数值。",
+    "amountRequired": "你必须输入一个金额。",
+    "amountNotZero": "金额不可以为0。",
+    "amountTenMillion": "金额必须小于10,000,000。",
+    "paidByRequired": "你必须选择一个群组成员。",
+    "paidForMin1": "这项消费必须支付给至少1名群组成员。",
+    "noZeroShares": "所有份额必须大于0。",
+    "amountSum": "金额之和必须等于消费的金额。",
+    "percentageSum": "百分比之和必须等于100。"
+  },
+  "Categories": {
+    "search": "搜寻类别……",
+    "noCategory": "未找到类别。",
+    "Uncategorized": {
+      "heading": "未分类",
+      "General": "一般",
+      "Payment": "支付"
+    },
+    "Entertainment": {
+      "heading": "娱乐",
+      "Entertainment": "娱乐",
+      "Games": "游戏",
+      "Movies": "电影",
+      "Music": "音乐",
+      "Sports": "运动"
+    },
+    "Food and Drink": {
+      "heading": "饮食",
+      "Food and Drink": "饮食",
+      "Dining Out": "下馆子",
+      "Groceries": "便利店",
+      "Liquor": "酒水"
+    },
+    "Home": {
+      "heading": "居家",
+      "Home": "居家",
+      "Electronics": "电费",
+      "Furniture": "家具",
+      "Household Supplies": "家庭日用品",
+      "Maintenance": "维护",
+      "Mortgage": "贷款",
+      "Pets": "宠物",
+      "Rent": "租金",
+      "Services": "服务"
+    },
+    "Life": {
+      "heading": "生活",
+      "Childcare": "儿童保育",
+      "Clothing": "衣物",
+      "Education": "教育",
+      "Gifts": "礼物",
+      "Insurance": "保险",
+      "Medical Expenses": "医疗支出",
+      "Taxes": "税"
+    },
+    "Transportation": {
+      "heading": "交通",
+      "Transportation": "交通",
+      "Bicycle": "自行车",
+      "Bus/Train": "巴士/列车",
+      "Car": "汽车",
+      "Gas/Fuel": "燃料",
+      "Hotel": "旅馆",
+      "Parking": "停车",
+      "Plane": "飞机",
+      "Taxi": "出租车"
+    },
+    "Utilities": {
+      "heading": "日常账单",
+      "Utilities": "日常账单",
+      "Cleaning": "清洁费",
+      "Electricity": "电费",
+      "Heat/Gas": "暖气/瓦斯",
+      "Trash": "垃圾",
+      "TV/Phone/Internet": "电视/手机/互联网",
+      "Water": "水"
+    }
+  }
+}

next.config.mjs

@@ -1,4 +1,8 @@
-/** 
+import createNextIntlPlugin from 'next-intl/plugin'
+
+const withNextIntl = createNextIntlPlugin()
+
+/**
  * Undefined entries are not supported. Push optional patterns to this array only if defined.
  * @type {import('next/dist/shared/lib/image-config').RemotePattern}
  */
@@ -31,4 +35,4 @@ const nextConfig = {
 },
 }
 
-module.exports = nextConfig
+export default withNextIntl(nextConfig)

package.json

@@ -12,9 +12,11 @@
     "prettier": "prettier -w src",
     "postinstall": "prisma migrate deploy && prisma generate",
     "build-image": "./scripts/build-image.sh",
-    "start-container": "docker compose --env-file container.env up"
+    "start-container": "docker compose --env-file container.env up",
+    "test": "jest"
   },
   "dependencies": {
+    "@formatjs/intl-localematcher": "^0.5.4",
     "@hookform/resolvers": "^3.3.2",
     "@prisma/client": "^5.6.0",
     "@radix-ui/react-checkbox": "^1.0.4",
@@ -39,7 +41,9 @@
     "embla-carousel-react": "^8.0.0-rc21",
     "lucide-react": "^0.290.0",
     "nanoid": "^5.0.4",
-    "next": "^14.2.3",
+    "negotiator": "^0.6.3",
+    "next": "^14.2.5",
+    "next-intl": "^3.17.2",
     "next-s3-upload": "^0.3.4",
     "next-themes": "^0.2.1",
     "next13-progressbar": "^1.1.1",
@@ -59,8 +63,13 @@
     "zod": "^3.22.4"
   },
   "devDependencies": {
+    "@testing-library/dom": "^10.4.0",
+    "@testing-library/jest-dom": "^6.4.8",
+    "@testing-library/react": "^16.0.0",
     "@total-typescript/ts-reset": "^0.5.1",
     "@types/content-disposition": "^0.5.8",
+    "@types/jest": "^29.5.12",
+    "@types/negotiator": "^0.6.3",
     "@types/node": "^20",
     "@types/pg": "^8.10.9",
     "@types/react": "^18.2.48",
@@ -70,10 +79,13 @@
     "dotenv": "^16.3.1",
     "eslint": "^8",
     "eslint-config-next": "^14.1.0",
+    "jest": "^29.7.0",
+    "jest-environment-jsdom": "^29.7.0",
     "postcss": "^8",
     "prettier": "^3.0.3",
     "prettier-plugin-organize-imports": "^3.2.3",
     "tailwindcss": "^3",
+    "ts-node": "^10.9.2",
     "tsconfig-paths": "^4.2.0",
     "typescript": "^5.3.3"
   }

prisma/migrations/20240531154748_add_group_information/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Group" ADD COLUMN     "information" TEXT;

prisma/schema.prisma

@@ -14,6 +14,7 @@ datasource db {
 model Group {
   id           String        @id
   name         String
+  information  String?       @db.Text
   currency     String        @default("$")
   participants Participant[]
   expenses     Expense[]

scripts/start-local-db.sh

@@ -1,4 +1,4 @@
-result=$(docker ps | grep postgres)
+result=$(docker ps | grep spliit-db)
 if [ $? -eq 0 ];
 then
     echo "postgres is already running, doing nothing"
@@ -6,6 +6,6 @@ else
     echo "postgres is not running, starting it"
     docker rm postgres --force
     mkdir -p postgres-data
-    docker run --name postgres -d -p 5432:5432 -e POSTGRES_PASSWORD=1234 -v "/$(pwd)/postgres-data:/var/lib/postgresql/data" postgres
+    docker run --name spliit-db -d -p 5432:5432 -e POSTGRES_PASSWORD=1234 -v "/$(pwd)/postgres-data:/var/lib/postgresql/data" postgres
     sleep 5 # Wait for postgres to start
 fi

src/app/groups/[groupId]/activity/activity-item.tsx

@@ -4,6 +4,7 @@ import { getGroupExpenses } from '@/lib/api'
 import { DateTimeStyle, cn, formatDate } from '@/lib/utils'
 import { Activity, ActivityType, Participant } from '@prisma/client'
 import { ChevronRight } from 'lucide-react'
+import { useLocale, useTranslations } from 'next-intl'
 import Link from 'next/link'
 import { useRouter } from 'next/navigation'
 
@@ -15,36 +16,27 @@ type Props = {
   dateStyle: DateTimeStyle
 }
 
-function getSummary(activity: Activity, participantName?: string) {
-  const participant = participantName ?? 'Someone'
+function useSummary(activity: Activity, participantName?: string) {
+  const t = useTranslations('Activity')
+  const participant = participantName ?? t('someone')
   const expense = activity.data ?? ''
+
+  const tr = (key: string) =>
+    t.rich(key, {
+      expense,
+      participant,
+      em: (chunks) => <em>&ldquo;{chunks}&rdquo;</em>,
+      strong: (chunks) => <strong>{chunks}</strong>,
+    })
+
   if (activity.activityType == ActivityType.UPDATE_GROUP) {
-    return (
-      <>
-        Group settings were modified by <strong>{participant}</strong>
-      </>
-    )
+    return <>{tr('settingsModified')}</>
   } else if (activity.activityType == ActivityType.CREATE_EXPENSE) {
-    return (
-      <>
-        Expense <em>&ldquo;{expense}&rdquo;</em> created by{' '}
-        <strong>{participant}</strong>.
-      </>
-    )
+    return <>{tr('expenseCreated')}</>
   } else if (activity.activityType == ActivityType.UPDATE_EXPENSE) {
-    return (
-      <>
-        Expense <em>&ldquo;{expense}&rdquo;</em> updated by{' '}
-        <strong>{participant}</strong>.
-      </>
-    )
+    return <>{tr('expenseUpdated')}</>
   } else if (activity.activityType == ActivityType.DELETE_EXPENSE) {
-    return (
-      <>
-        Expense <em>&ldquo;{expense}&rdquo;</em> deleted by{' '}
-        <strong>{participant}</strong>.
-      </>
-    )
+    return <>{tr('expenseDeleted')}</>
   }
 }
 
@@ -56,9 +48,10 @@ export function ActivityItem({
   dateStyle,
 }: Props) {
   const router = useRouter()
+  const locale = useLocale()
 
   const expenseExists = expense !== undefined
-  const summary = getSummary(activity, participant?.name)
+  const summary = useSummary(activity, participant?.name)
 
   return (
     <div
@@ -75,11 +68,11 @@ export function ActivityItem({
       <div className="flex flex-col justify-between items-start">
         {dateStyle !== undefined && (
           <div className="mt-1 text-xs/5 text-muted-foreground">
-            {formatDate(activity.time, { dateStyle })}
+            {formatDate(activity.time, locale, { dateStyle })}
           </div>
         )}
         <div className="my-1 text-xs/5 text-muted-foreground">
-          {formatDate(activity.time, { timeStyle: 'short' })}
+          {formatDate(activity.time, locale, { timeStyle: 'short' })}
         </div>
       </div>
       <div className="flex-1">

src/app/groups/[groupId]/activity/activity-list.tsx

@@ -2,6 +2,7 @@ import { ActivityItem } from '@/app/groups/[groupId]/activity/activity-item'
 import { getGroupExpenses } from '@/lib/api'
 import { Activity, Participant } from '@prisma/client'
 import dayjs, { type Dayjs } from 'dayjs'
+import { useTranslations } from 'next-intl'
 
 type Props = {
   groupId: string
@@ -11,15 +12,15 @@ type Props = {
 }
 
 const DATE_GROUPS = {
-  TODAY: 'Today',
-  YESTERDAY: 'Yesterday',
-  EARLIER_THIS_WEEK: 'Earlier this week',
-  LAST_WEEK: 'Last week',
-  EARLIER_THIS_MONTH: 'Earlier this month',
-  LAST_MONTH: 'Last month',
-  EARLIER_THIS_YEAR: 'Earlier this year',
-  LAST_YEAR: 'Last year',
-  OLDER: 'Older',
+  TODAY: 'today',
+  YESTERDAY: 'yesterday',
+  EARLIER_THIS_WEEK: 'earlierThisWeek',
+  LAST_WEEK: 'lastWeek',
+  EARLIER_THIS_MONTH: 'earlierThisMonth',
+  LAST_MONTH: 'lastMonth',
+  EARLIER_THIS_YEAR: 'earlierThisYear',
+  LAST_YEAR: 'lastYear',
+  OLDER: 'older',
 }
 
 function getDateGroup(date: Dayjs, today: Dayjs) {
@@ -63,6 +64,7 @@ export function ActivityList({
   expenses,
   activities,
 }: Props) {
+  const t = useTranslations('Activity')
   const groupedActivitiesByDate = getGroupedActivitiesByDate(activities)
 
   return activities.length > 0 ? (
@@ -82,7 +84,7 @@ export function ActivityList({
                 'text-muted-foreground text-xs py-1 font-semibold sticky top-16 bg-white dark:bg-[#1b1917]'
               }
             >
-              {dateGroup}
+              {t(`Groups.${dateGroup}`)}
             </div>
             {groupActivities.map((activity: Activity) => {
               const participant =
@@ -105,8 +107,6 @@ export function ActivityList({
       })}
     </>
   ) : (
-    <p className="px-6 text-sm py-6">
-      There is not yet any activity in your group.
-    </p>
+    <p className="px-6 text-sm py-6">{t('noActivity')}</p>
   )
 }

src/app/groups/[groupId]/activity/page.tsx

@@ -9,6 +9,7 @@ import {
 } from '@/components/ui/card'
 import { getActivities, getGroupExpenses } from '@/lib/api'
 import { Metadata } from 'next'
+import { getTranslations } from 'next-intl/server'
 import { notFound } from 'next/navigation'
 
 export const metadata: Metadata = {
@@ -20,6 +21,7 @@ export default async function ActivityPage({
 }: {
   params: { groupId: string }
 }) {
+  const t = await getTranslations('Activity')
   const group = await cached.getGroup(groupId)
   if (!group) notFound()
 
@@ -30,10 +32,8 @@ export default async function ActivityPage({
     <>
       <Card className="mb-4">
         <CardHeader>
-          <CardTitle>Activity</CardTitle>
-          <CardDescription>
-            Overview of all activity in this group.
-          </CardDescription>
+          <CardTitle>{t('title')}</CardTitle>
+          <CardDescription>{t('description')}</CardDescription>
         </CardHeader>
         <CardContent className="flex flex-col space-y-4">
           <ActivityList

src/app/groups/[groupId]/balances-list.tsx

@@ -1,6 +1,7 @@
 import { Balances } from '@/lib/balances'
 import { cn, formatCurrency } from '@/lib/utils'
 import { Participant } from '@prisma/client'
+import { useLocale } from 'next-intl'
 
 type Props = {
   balances: Balances
@@ -9,6 +10,7 @@ type Props = {
 }
 
 export function BalancesList({ balances, participants, currency }: Props) {
+  const locale = useLocale()
   const maxBalance = Math.max(
     ...Object.values(balances).map((b) => Math.abs(b.total)),
   )
@@ -28,7 +30,7 @@ export function BalancesList({ balances, participants, currency }: Props) {
             </div>
             <div className={cn('w-1/2 relative', isLeft || 'text-right')}>
               <div className="absolute inset-0 p-2 z-20">
-                {formatCurrency(currency, balance)}
+                {formatCurrency(currency, balance, locale)}
               </div>
               {balance !== 0 && (
                 <div

src/app/groups/[groupId]/balances/page.tsx

@@ -15,6 +15,7 @@ import {
   getSuggestedReimbursements,
 } from '@/lib/balances'
 import { Metadata } from 'next'
+import { getTranslations } from 'next-intl/server'
 import { notFound } from 'next/navigation'
 
 export const metadata: Metadata = {
@@ -26,6 +27,7 @@ export default async function GroupPage({
 }: {
   params: { groupId: string }
 }) {
+  const t = await getTranslations('Balances')
   const group = await cached.getGroup(groupId)
   if (!group) notFound()
 
@@ -38,10 +40,8 @@ export default async function GroupPage({
     <>
       <Card className="mb-4">
         <CardHeader>
-          <CardTitle>Balances</CardTitle>
-          <CardDescription>
-            This is the amount that each participant paid or was paid for.
-          </CardDescription>
+          <CardTitle>{t('title')}</CardTitle>
+          <CardDescription>{t('description')}</CardDescription>
         </CardHeader>
         <CardContent>
           <BalancesList
@@ -53,11 +53,8 @@ export default async function GroupPage({
       </Card>
       <Card className="mb-4">
         <CardHeader>
-          <CardTitle>Suggested reimbursements</CardTitle>
-          <CardDescription>
-            Here are suggestions for optimized reimbursements between
-            participants.
-          </CardDescription>
+          <CardTitle>{t('Reimbursements.title')}</CardTitle>
+          <CardDescription>{t('Reimbursements.description')}</CardDescription>
         </CardHeader>
         <CardContent className="p-0">
           <ReimbursementList

src/app/groups/[groupId]/expenses/active-user-balance.tsx

@@ -2,6 +2,7 @@
 import { Money } from '@/components/money'
 import { getBalances } from '@/lib/balances'
 import { useActiveUser } from '@/lib/hooks'
+import { useTranslations } from 'next-intl'
 
 type Props = {
   groupId: string
@@ -10,6 +11,7 @@ type Props = {
 }
 
 export function ActiveUserBalance({ groupId, currency, expense }: Props) {
+  const t = useTranslations('ExpenseCard')
   const activeUserId = useActiveUser(groupId)
   if (activeUserId === null || activeUserId === '' || activeUserId === 'None') {
     return null
@@ -33,7 +35,7 @@ export function ActiveUserBalance({ groupId, currency, expense }: Props) {
     }
     fmtBalance = (
       <>
-        Your balance:{' '}
+        {t('yourBalance')}{' '}
         <Money {...{ currency, amount: balance.total }} bold colored />
         {balanceDetail}
       </>

src/app/groups/[groupId]/expenses/active-user-modal.tsx

@@ -12,7 +12,6 @@ import {
 import {
   Drawer,
   DrawerContent,
-  DrawerDescription,
   DrawerFooter,
   DrawerHeader,
   DrawerTitle,
@@ -22,6 +21,7 @@ import { RadioGroup, RadioGroupItem } from '@/components/ui/radio-group'
 import { getGroup } from '@/lib/api'
 import { useMediaQuery } from '@/lib/hooks'
 import { cn } from '@/lib/utils'
+import { useTranslations } from 'next-intl'
 import { ComponentProps, useEffect, useState } from 'react'
 
 type Props = {
@@ -29,6 +29,7 @@ type Props = {
 }
 
 export function ActiveUserModal({ group }: Props) {
+  const t = useTranslations('Expenses.ActiveUserModal')
   const [open, setOpen] = useState(false)
   const isDesktop = useMediaQuery('(min-width: 768px)')
 
@@ -52,16 +53,13 @@ export function ActiveUserModal({ group }: Props) {
       <Dialog open={open} onOpenChange={updateOpen}>
         <DialogContent className="sm:max-w-[425px]">
           <DialogHeader>
-            <DialogTitle>Who are you?</DialogTitle>
-            <DialogDescription>
-              Tell us which participant you are to let us customize how the
-              information is displayed.
-            </DialogDescription>
+            <DialogTitle>{t('title')}</DialogTitle>
+            <DialogDescription>{t('description')}</DialogDescription>
           </DialogHeader>
           <ActiveUserForm group={group} close={() => setOpen(false)} />
           <DialogFooter className="sm:justify-center">
             <p className="text-sm text-center text-muted-foreground">
-              This setting can be changed later in the group settings.
+              {t('footer')}
             </p>
           </DialogFooter>
         </DialogContent>
@@ -73,11 +71,8 @@ export function ActiveUserModal({ group }: Props) {
     <Drawer open={open} onOpenChange={updateOpen}>
       <DrawerContent>
         <DrawerHeader className="text-left">
-          <DrawerTitle>Who are you?</DrawerTitle>
-          <DrawerDescription>
-            Tell us which participant you are to let us customize how the
-            information is displayed.
-          </DrawerDescription>
+          <DrawerTitle>{t('title')}</DrawerTitle>
+          <DialogDescription>{t('description')}</DialogDescription>
         </DrawerHeader>
         <ActiveUserForm
           className="px-4"
@@ -86,7 +81,7 @@ export function ActiveUserModal({ group }: Props) {
         />
         <DrawerFooter className="pt-2">
           <p className="text-sm text-center text-muted-foreground">
-            This setting can be changed later in the group settings.
+            {t('footer')}
           </p>
         </DrawerFooter>
       </DrawerContent>
@@ -99,6 +94,7 @@ function ActiveUserForm({
   close,
   className,
 }: ComponentProps<'form'> & { group: Props['group']; close: () => void }) {
+  const t = useTranslations('Expenses.ActiveUserModal')
   const [selected, setSelected] = useState('None')
 
   return (
@@ -115,7 +111,7 @@ function ActiveUserForm({
           <div className="flex items-center space-x-2">
             <RadioGroupItem value="none" id="none" />
             <Label htmlFor="none" className="italic font-normal flex-1">
-              I don’t want to select anyone
+              {t('nobody')}
             </Label>
           </div>
           {group.participants.map((participant) => (
@@ -128,7 +124,7 @@ function ActiveUserForm({
           ))}
         </div>
       </RadioGroup>
-      <Button type="submit">Save changes</Button>
+      <Button type="submit">{t('save')}</Button>
     </form>
   )
 }

src/app/groups/[groupId]/expenses/create-from-receipt-button-actions.ts

@@ -12,7 +12,7 @@ export async function extractExpenseInformationFromImage(imageUrl: string) {
   const categories = await getCategories()
 
   const body: ChatCompletionCreateParamsNonStreaming = {
-    model: 'gpt-4-vision-preview',
+    model: 'gpt-4-turbo',
     messages: [
       {
         role: 'user',

src/app/groups/[groupId]/expenses/create-from-receipt-button.tsx

@@ -29,6 +29,7 @@ import { useMediaQuery } from '@/lib/hooks'
 import { formatCurrency, formatDate, formatFileSize } from '@/lib/utils'
 import { Category } from '@prisma/client'
 import { ChevronRight, FileQuestion, Loader2, Receipt } from 'lucide-react'
+import { useLocale, useTranslations } from 'next-intl'
 import { getImageData, usePresignedUpload } from 'next-s3-upload'
 import Image from 'next/image'
 import { useRouter } from 'next/navigation'
@@ -47,6 +48,8 @@ export function CreateFromReceiptButton({
   groupCurrency,
   categories,
 }: Props) {
+  const locale = useLocale()
+  const t = useTranslations('CreateFromReceipt')
   const [pending, setPending] = useState(false)
   const { uploadToS3, FileInput, openFileDialog } = usePresignedUpload()
   const { toast } = useToast()
@@ -60,10 +63,11 @@ export function CreateFromReceiptButton({
   const handleFileChange = async (file: File) => {
     if (file.size > MAX_FILE_SIZE) {
       toast({
-        title: 'The file is too big',
-        description: `The maximum file size you can upload is ${formatFileSize(
-          MAX_FILE_SIZE,
-        )}. Yours is ${formatFileSize(file.size)}.`,
+        title: t('TooBigToast.title'),
+        description: t('TooBigToast.description', {
+          maxSize: formatFileSize(MAX_FILE_SIZE, locale),
+          size: formatFileSize(file.size, locale),
+        }),
         variant: 'destructive',
       })
       return
@@ -82,13 +86,15 @@ export function CreateFromReceiptButton({
       } catch (err) {
         console.error(err)
         toast({
-          title: 'Error while uploading document',
-          description:
-            'Something wrong happened when uploading the document. Please retry later or select a different file.',
+          title: t('ErrorToast.title'),
+          description: t('ErrorToast.description'),
           variant: 'destructive',
           action: (
-            <ToastAction altText="Retry" onClick={() => upload()}>
-              Retry
+            <ToastAction
+              altText={t('ErrorToast.retry')}
+              onClick={() => upload()}
+            >
+              {t('ErrorToast.retry')}
             </ToastAction>
           ),
         })
@@ -114,26 +120,23 @@ export function CreateFromReceiptButton({
         <Button
           size="icon"
           variant="secondary"
-          title="Create expense from receipt"
+          title={t('Dialog.triggerTitle')}
         >
           <Receipt className="w-4 h-4" />
         </Button>
       }
       title={
         <>
-          <span>Create from receipt</span>
+          <span>{t('Dialog.title')}</span>
           <Badge className="bg-pink-700 hover:bg-pink-600 dark:bg-pink-500 dark:hover:bg-pink-600">
             Beta
           </Badge>
         </>
       }
-      description={<>Extract the expense information from a receipt photo.</>}
+      description={<>{t('Dialog.description')}</>}
     >
       <div className="prose prose-sm dark:prose-invert">
-        <p>
-          Upload the photo of a receipt, and we’ll scan it to extract the
-          expense information if we can.
-        </p>
+        <p>{t('Dialog.body')}</p>
         <div>
           <FileInput
             onChange={handleFileChange}
@@ -161,16 +164,16 @@ export function CreateFromReceiptButton({
                 </div>
               ) : (
                 <span className="text-xs sm:text-sm text-muted-foreground">
-                  Select image…
+                  {t('Dialog.selectImage')}
                 </span>
               )}
             </Button>
             <div className="col-span-2">
-              <strong>Title:</strong>
+              <strong>{t('Dialog.titleLabel')}</strong>
               <div>{receiptInfo ? receiptInfo.title ?? <Unknown /> : '…'}</div>
             </div>
             <div className="col-span-2">
-              <strong>Category:</strong>
+              <strong>{t('Dialog.categoryLabel')}</strong>
               <div>
                 {receiptInfo ? (
                   receiptInfoCategory ? (
@@ -194,11 +197,18 @@ export function CreateFromReceiptButton({
               </div>
             </div>
             <div>
-              <strong>Amount:</strong>
+              <strong>{t('Dialog.amountLabel')}</strong>
               <div>
                 {receiptInfo ? (
                   receiptInfo.amount ? (
-                    <>{formatCurrency(groupCurrency, receiptInfo.amount)}</>
+                    <>
+                      {formatCurrency(
+                        groupCurrency,
+                        receiptInfo.amount,
+                        locale,
+                        true,
+                      )}
+                    </>
                   ) : (
                     <Unknown />
                   )
@@ -208,13 +218,15 @@ export function CreateFromReceiptButton({
               </div>
             </div>
             <div>
-              <strong>Date:</strong>
+              <strong>{t('Dialog.dateLabel')}</strong>
               <div>
                 {receiptInfo ? (
                   receiptInfo.date ? (
-                    formatDate(new Date(`${receiptInfo?.date}T12:00:00.000Z`), {
-                      dateStyle: 'medium',
-                    })
+                    formatDate(
+                      new Date(`${receiptInfo?.date}T12:00:00.000Z`),
+                      locale,
+                      { dateStyle: 'medium' },
+                    )
                   ) : (
                     <Unknown />
                   )
@@ -225,7 +237,7 @@ export function CreateFromReceiptButton({
             </div>
           </div>
         </div>
-        <p>You’ll be able to edit the expense information next.</p>
+        <p>{t('Dialog.editNext')}</p>
         <div className="text-center">
           <Button
             disabled={pending || !receiptInfo}
@@ -244,7 +256,7 @@ export function CreateFromReceiptButton({
               )
             }}
           >
-            Continue
+            {t('Dialog.continue')}
           </Button>
         </div>
       </div>
@@ -253,10 +265,11 @@ export function CreateFromReceiptButton({
 }
 
 function Unknown() {
+  const t = useTranslations('CreateFromReceipt')
   return (
     <div className="flex gap-1 items-center text-muted-foreground">
       <FileQuestion className="w-4 h-4" />
-      <em>Unknown</em>
+      <em>{t('unknown')}</em>
     </div>
   )
 }

src/app/groups/[groupId]/expenses/expense-card.tsx

@@ -5,18 +5,40 @@ import { Button } from '@/components/ui/button'
 import { getGroupExpenses } from '@/lib/api'
 import { cn, formatCurrency, formatDate } from '@/lib/utils'
 import { ChevronRight } from 'lucide-react'
+import { useLocale, useTranslations } from 'next-intl'
 import Link from 'next/link'
 import { useRouter } from 'next/navigation'
 import { Fragment } from 'react'
 
+type Expense = Awaited<ReturnType<typeof getGroupExpenses>>[number]
+
+function Participants({ expense }: { expense: Expense }) {
+  const t = useTranslations('ExpenseCard')
+  const key = expense.amount > 0 ? 'paidBy' : 'receivedBy'
+  const paidFor = expense.paidFor.map((paidFor, index) => (
+    <Fragment key={index}>
+      {index !== 0 && <>, </>}
+      <strong>{paidFor.participant.name}</strong>
+    </Fragment>
+  ))
+  const participants = t.rich(key, {
+    strong: (chunks) => <strong>{chunks}</strong>,
+    paidBy: expense.paidBy.name,
+    paidFor: () => paidFor,
+    forCount: expense.paidFor.length,
+  })
+  return <>{participants}</>
+}
+
 type Props = {
-  expense: Awaited<ReturnType<typeof getGroupExpenses>>[number]
+  expense: Expense
   currency: string
   groupId: string
 }
 
 export function ExpenseCard({ expense, currency, groupId }: Props) {
   const router = useRouter()
+  const locale = useLocale()
 
   return (
     <div
@@ -38,14 +60,7 @@ export function ExpenseCard({ expense, currency, groupId }: Props) {
           {expense.title}
         </div>
         <div className="text-xs text-muted-foreground">
-          {expense.amount > 0 ? 'Paid by ' : 'Received by '}
-          <strong>{expense.paidBy.name}</strong> for{' '}
-          {expense.paidFor.map((paidFor, index) => (
-            <Fragment key={index}>
-              {index !== 0 && <>, </>}
-              <strong>{paidFor.participant.name}</strong>
-            </Fragment>
-          ))}
+          <Participants expense={expense} />
         </div>
         <div className="text-xs text-muted-foreground">
           <ActiveUserBalance {...{ groupId, currency, expense }} />
@@ -58,10 +73,10 @@ export function ExpenseCard({ expense, currency, groupId }: Props) {
             expense.isReimbursement ? 'italic' : 'font-bold',
           )}
         >
-          {formatCurrency(currency, expense.amount)}
+          {formatCurrency(currency, expense.amount, locale)}
         </div>
         <div className="text-xs text-muted-foreground">
-          {formatDate(expense.expenseDate, { dateStyle: 'medium' })}
+          {formatDate(expense.expenseDate, locale, { dateStyle: 'medium' })}
         </div>
       </div>
       <Button

src/app/groups/[groupId]/expenses/expense-list.tsx

@@ -4,8 +4,10 @@ import { getGroupExpensesAction } from '@/app/groups/[groupId]/expenses/expense-
 import { Button } from '@/components/ui/button'
 import { SearchBar } from '@/components/ui/search-bar'
 import { Skeleton } from '@/components/ui/skeleton'
+import { normalizeString } from '@/lib/utils'
 import { Participant } from '@prisma/client'
 import dayjs, { type Dayjs } from 'dayjs'
+import { useTranslations } from 'next-intl'
 import Link from 'next/link'
 import { useEffect, useMemo, useState } from 'react'
 import { useInView } from 'react-intersection-observer'
@@ -23,13 +25,13 @@ type Props = {
 }
 
 const EXPENSE_GROUPS = {
-  UPCOMING: 'Upcoming',
-  THIS_WEEK: 'This week',
-  EARLIER_THIS_MONTH: 'Earlier this month',
-  LAST_MONTH: 'Last month',
-  EARLIER_THIS_YEAR: 'Earlier this year',
-  LAST_YEAR: 'Last year',
-  OLDER: 'Older',
+  UPCOMING: 'upcoming',
+  THIS_WEEK: 'thisWeek',
+  EARLIER_THIS_MONTH: 'earlierThisMonth',
+  LAST_MONTH: 'lastMonth',
+  EARLIER_THIS_YEAR: 'earlierThisYear',
+  LAST_YEAR: 'lastYear',
+  OLDER: 'older',
 }
 
 function getExpenseGroup(date: Dayjs, today: Dayjs) {
@@ -75,6 +77,7 @@ export function ExpenseList({
   const [isFetching, setIsFetching] = useState(false)
   const [expenses, setExpenses] = useState(expensesFirstPage)
   const { ref, inView } = useInView()
+  const t = useTranslations('Expenses')
 
   useEffect(() => {
     const activeUser = localStorage.getItem('newGroup-activeUser')
@@ -134,13 +137,15 @@ export function ExpenseList({
 
   return expenses.length > 0 ? (
     <>
-      <SearchBar onValueChange={(value) => setSearchText(value)} />
+      <SearchBar
+        onValueChange={(value) => setSearchText(normalizeString(value))}
+      />
       {Object.values(EXPENSE_GROUPS).map((expenseGroup: string) => {
         let groupExpenses = groupedExpensesByDate[expenseGroup]
         if (!groupExpenses) return null
 
         groupExpenses = groupExpenses.filter(({ title }) =>
-          title.toLowerCase().includes(searchText.toLowerCase()),
+          normalizeString(title).includes(searchText),
         )
 
         if (groupExpenses.length === 0) return null
@@ -152,7 +157,7 @@ export function ExpenseList({
                 'text-muted-foreground text-xs pl-4 sm:pl-6 py-1 font-semibold sticky top-16 bg-white dark:bg-[#1b1917]'
               }
             >
-              {expenseGroup}
+              {t(`Groups.${expenseGroup}`)}
             </div>
             {groupExpenses.map((expense) => (
               <ExpenseCard
@@ -184,10 +189,10 @@ export function ExpenseList({
     </>
   ) : (
     <p className="px-6 text-sm py-6">
-      Your group doesn’t contain any expense yet.{' '}
+      {t('noExpenses')}{' '}
       <Button variant="link" asChild className="-m-4">
         <Link href={`/groups/${groupId}/expenses/create`}>
-          Create the first one
+          {t('createFirst')}
         </Link>
       </Button>
     </p>

src/app/groups/[groupId]/expenses/page.tsx

@@ -19,6 +19,7 @@ import {
 import { env } from '@/lib/env'
 import { Download, Plus } from 'lucide-react'
 import { Metadata } from 'next'
+import { getTranslations } from 'next-intl/server'
 import Link from 'next/link'
 import { notFound } from 'next/navigation'
 import { Suspense } from 'react'
@@ -34,6 +35,7 @@ export default async function GroupExpensesPage({
 }: {
   params: { groupId: string }
 }) {
+  const t = await getTranslations('Expenses')
   const group = await cached.getGroup(groupId)
   if (!group) notFound()
 
@@ -44,10 +46,8 @@ export default async function GroupExpensesPage({
       <Card className="mb-4 rounded-none -mx-4 border-x-0 sm:border-x sm:rounded-lg sm:mx-0">
         <div className="flex flex-1">
           <CardHeader className="flex-1 p-4 sm:p-6">
-            <CardTitle>Expenses</CardTitle>
-            <CardDescription>
-              Here are the expenses that you created for your group.
-            </CardDescription>
+            <CardTitle>{t('title')}</CardTitle>
+            <CardDescription>{t('description')}</CardDescription>
           </CardHeader>
           <CardHeader className="p-4 sm:p-6 flex flex-row space-y-0 gap-2">
             <Button variant="secondary" size="icon" asChild>
@@ -55,7 +55,7 @@ export default async function GroupExpensesPage({
                 prefetch={false}
                 href={`/groups/${groupId}/expenses/export/json`}
                 target="_blank"
-                title="Export to JSON"
+                title={t('exportJson')}
               >
                 <Download className="w-4 h-4" />
               </Link>
@@ -70,7 +70,7 @@ export default async function GroupExpensesPage({
             <Button asChild size="icon">
               <Link
                 href={`/groups/${groupId}/expenses/create`}
-                title="Create expense"
+                title={t('create')}
               >
                 <Plus className="w-4 h-4" />
               </Link>

src/app/groups/[groupId]/group-tabs.tsx

@@ -1,5 +1,6 @@
 'use client'
 import { Tabs, TabsList, TabsTrigger } from '@/components/ui/tabs'
+import { useTranslations } from 'next-intl'
 import { usePathname, useRouter } from 'next/navigation'
 
 type Props = {
@@ -7,6 +8,7 @@ type Props = {
 }
 
 export function GroupTabs({ groupId }: Props) {
+  const t = useTranslations()
   const pathname = usePathname()
   const value =
     pathname.replace(/\/groups\/[^\/]+\/([^/]+).*/, '$1') || 'expenses'
@@ -21,11 +23,12 @@ export function GroupTabs({ groupId }: Props) {
       }}
     >
       <TabsList>
-        <TabsTrigger value="expenses">Expenses</TabsTrigger>
-        <TabsTrigger value="balances">Balances</TabsTrigger>
-        <TabsTrigger value="stats">Stats</TabsTrigger>
-        <TabsTrigger value="activity">Activity</TabsTrigger>
-        <TabsTrigger value="edit">Settings</TabsTrigger>
+        <TabsTrigger value="expenses">{t('Expenses.title')}</TabsTrigger>
+        <TabsTrigger value="balances">{t('Balances.title')}</TabsTrigger>
+        <TabsTrigger value="information">{t('Information.title')}</TabsTrigger>
+        <TabsTrigger value="stats">{t('Stats.title')}</TabsTrigger>
+        <TabsTrigger value="activity">{t('Activity.title')}</TabsTrigger>
+        <TabsTrigger value="edit">{t('Settings.title')}</TabsTrigger>
       </TabsList>
     </Tabs>
   )

src/app/groups/[groupId]/information/page.tsx

@@ -0,0 +1,54 @@
+import { cached } from '@/app/cached-functions'
+import { Button } from '@/components/ui/button'
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardHeader,
+  CardTitle,
+} from '@/components/ui/card'
+import { Pencil } from 'lucide-react'
+import { Metadata } from 'next'
+import { getTranslations } from 'next-intl/server'
+import Link from 'next/link'
+import { notFound } from 'next/navigation'
+
+export const metadata: Metadata = {
+  title: 'Totals',
+}
+
+export default async function InformationPage({
+  params: { groupId },
+}: {
+  params: { groupId: string }
+}) {
+  const group = await cached.getGroup(groupId)
+  if (!group) notFound()
+
+  const t = await getTranslations('Information')
+
+  return (
+    <>
+      <Card className="mb-4">
+        <CardHeader>
+          <CardTitle className="flex justify-between">
+            <span>{t('title')}</span>
+            <Button size="icon" asChild className="-mb-12">
+              <Link href={`/groups/${groupId}/edit`}>
+                <Pencil className="w-4 h-4" />
+              </Link>
+            </Button>
+          </CardTitle>
+          <CardDescription className="mr-12">
+            {t('description')}
+          </CardDescription>
+        </CardHeader>
+        <CardContent className="prose prose-sm sm:prose-base max-w-full whitespace-break-spaces">
+          {group.information || (
+            <p className="text-muted-foreground italic">{t('empty')}</p>
+          )}
+        </CardContent>
+      </Card>
+    </>
+  )
+}

src/app/groups/[groupId]/reimbursement-list.tsx

@@ -2,6 +2,7 @@ import { Button } from '@/components/ui/button'
 import { Reimbursement } from '@/lib/balances'
 import { formatCurrency } from '@/lib/utils'
 import { Participant } from '@prisma/client'
+import { useLocale, useTranslations } from 'next-intl'
 import Link from 'next/link'
 
 type Props = {
@@ -17,12 +18,10 @@ export function ReimbursementList({
   currency,
   groupId,
 }: Props) {
+  const locale = useLocale()
+  const t = useTranslations('Balances.Reimbursements')
   if (reimbursements.length === 0) {
-    return (
-      <p className="px-6 text-sm pb-6">
-        It looks like your group doesn’t need any reimbursement 😁
-      </p>
-    )
+    return <p className="px-6 text-sm pb-6">{t('noImbursements')}</p>
   }
 
   const getParticipant = (id: string) => participants.find((p) => p.id === id)
@@ -32,18 +31,21 @@ export function ReimbursementList({
         <div className="border-t px-6 py-4 flex justify-between" key={index}>
           <div className="flex flex-col gap-1 items-start sm:flex-row sm:items-baseline sm:gap-4">
             <div>
-              <strong>{getParticipant(reimbursement.from)?.name}</strong> owes{' '}
-              <strong>{getParticipant(reimbursement.to)?.name}</strong>
+              {t.rich('owes', {
+                from: getParticipant(reimbursement.from)?.name,
+                to: getParticipant(reimbursement.to)?.name,
+                strong: (chunks) => <strong>{chunks}</strong>,
+              })}
             </div>
             <Button variant="link" asChild className="-mx-4 -my-3">
               <Link
                 href={`/groups/${groupId}/expenses/create?reimbursement=yes&from=${reimbursement.from}&to=${reimbursement.to}&amount=${reimbursement.amount}`}
               >
-                Mark as paid
+                {t('markAsPaid')}
               </Link>
             </Button>
           </div>
-          <div>{formatCurrency(currency, reimbursement.amount)}</div>
+          <div>{formatCurrency(currency, reimbursement.amount, locale)}</div>
         </div>
       ))}
     </div>

src/app/groups/[groupId]/share-button.tsx

@@ -11,27 +11,26 @@ import {
 import { useBaseUrl } from '@/lib/hooks'
 import { Group } from '@prisma/client'
 import { Share } from 'lucide-react'
+import { useTranslations } from 'next-intl'
 
 type Props = {
   group: Group
 }
 
 export function ShareButton({ group }: Props) {
+  const t = useTranslations('Share')
   const baseUrl = useBaseUrl()
   const url = baseUrl && `${baseUrl}/groups/${group.id}/expenses?ref=share`
 
   return (
     <Popover>
       <PopoverTrigger asChild>
-        <Button title="Share" size="icon" className="flex-shrink-0">
+        <Button title={t('title')} size="icon" className="flex-shrink-0">
           <Share className="w-4 h-4" />
         </Button>
       </PopoverTrigger>
       <PopoverContent align="end" className="[&_p]:text-sm flex flex-col gap-3">
-        <p>
-          For other participants to see the group and add expenses, share its
-          URL with them.
-        </p>
+        <p>{t('description')}</p>
         {url && (
           <div className="flex gap-2">
             <Input className="flex-1" defaultValue={url} readOnly />
@@ -43,8 +42,7 @@ export function ShareButton({ group }: Props) {
           </div>
         )}
         <p>
-          <strong>Warning!</strong> Every person with the group URL will be able
-          to see and edit expenses. Share with caution!
+          <strong>{t('warning')}</strong> {t('warningHelp')}
         </p>
       </PopoverContent>
     </Popover>

src/app/groups/[groupId]/stats/page.tsx

@@ -10,6 +10,7 @@ import {
 import { getGroupExpenses } from '@/lib/api'
 import { getTotalGroupSpending } from '@/lib/totals'
 import { Metadata } from 'next'
+import { getTranslations } from 'next-intl/server'
 import { notFound } from 'next/navigation'
 
 export const metadata: Metadata = {
@@ -21,6 +22,7 @@ export default async function TotalsPage({
 }: {
   params: { groupId: string }
 }) {
+  const t = await getTranslations('Stats')
   const group = await cached.getGroup(groupId)
   if (!group) notFound()
 
@@ -31,10 +33,8 @@ export default async function TotalsPage({
     <>
       <Card className="mb-4">
         <CardHeader>
-          <CardTitle>Totals</CardTitle>
-          <CardDescription>
-            Spending summary of the entire group.
-          </CardDescription>
+          <CardTitle>{t('Totals.title')}</CardTitle>
+          <CardDescription>{t('Totals.description')}</CardDescription>
         </CardHeader>
         <CardContent className="flex flex-col space-y-4">
           <Totals

src/app/groups/[groupId]/stats/totals-group-spending.tsx

@@ -1,4 +1,5 @@
 import { formatCurrency } from '@/lib/utils'
+import { useLocale, useTranslations } from 'next-intl'
 
 type Props = {
   totalGroupSpendings: number
@@ -6,12 +7,14 @@ type Props = {
 }
 
 export function TotalsGroupSpending({ totalGroupSpendings, currency }: Props) {
-  const balance = totalGroupSpendings < 0 ? 'earnings' : 'spendings'
+  const locale = useLocale()
+  const t = useTranslations('Stats.Totals')
+  const balance = totalGroupSpendings < 0 ? 'groupEarnings' : 'groupSpendings'
   return (
     <div>
-      <div className="text-muted-foreground">Total group {balance}</div>
+      <div className="text-muted-foreground">{t(balance)}</div>
       <div className="text-lg">
-        {formatCurrency(currency, Math.abs(totalGroupSpendings))}
+        {formatCurrency(currency, Math.abs(totalGroupSpendings), locale)}
       </div>
     </div>
   )

src/app/groups/[groupId]/stats/totals-your-share.tsx

@@ -2,6 +2,7 @@
 import { getGroup, getGroupExpenses } from '@/lib/api'
 import { getTotalActiveUserShare } from '@/lib/totals'
 import { cn, formatCurrency } from '@/lib/utils'
+import { useLocale, useTranslations } from 'next-intl'
 import { useEffect, useState } from 'react'
 
 type Props = {
@@ -10,6 +11,8 @@ type Props = {
 }
 
 export function TotalsYourShare({ group, expenses }: Props) {
+  const locale = useLocale()
+  const t = useTranslations('Stats.Totals')
   const [activeUser, setActiveUser] = useState('')
 
   useEffect(() => {
@@ -25,14 +28,14 @@ export function TotalsYourShare({ group, expenses }: Props) {
 
   return (
     <div>
-      <div className="text-muted-foreground">Your total share</div>
+      <div className="text-muted-foreground">{t('yourShare')}</div>
       <div
         className={cn(
           'text-lg',
           totalActiveUserShare < 0 ? 'text-green-600' : 'text-red-600',
         )}
       >
-        {formatCurrency(currency, Math.abs(totalActiveUserShare))}
+        {formatCurrency(currency, Math.abs(totalActiveUserShare), locale)}
       </div>
     </div>
   )

src/app/groups/[groupId]/stats/totals-your-spending.tsx

@@ -3,6 +3,7 @@ import { getGroup, getGroupExpenses } from '@/lib/api'
 import { useActiveUser } from '@/lib/hooks'
 import { getTotalActiveUserPaidFor } from '@/lib/totals'
 import { cn, formatCurrency } from '@/lib/utils'
+import { useLocale, useTranslations } from 'next-intl'
 
 type Props = {
   group: NonNullable<Awaited<ReturnType<typeof getGroup>>>
@@ -10,6 +11,8 @@ type Props = {
 }
 
 export function TotalsYourSpendings({ group, expenses }: Props) {
+  const locale = useLocale()
+  const t = useTranslations('Stats.Totals')
   const activeUser = useActiveUser(group.id)
 
   const totalYourSpendings =
@@ -17,11 +20,11 @@ export function TotalsYourSpendings({ group, expenses }: Props) {
       ? 0
       : getTotalActiveUserPaidFor(activeUser, expenses)
   const currency = group.currency
-  const balance = totalYourSpendings < 0 ? 'earnings' : 'spendings'
+  const balance = totalYourSpendings < 0 ? 'yourEarnings' : 'yourSpendings'
 
   return (
     <div>
-      <div className="text-muted-foreground">Your total {balance}</div>
+      <div className="text-muted-foreground">{t(balance)}</div>
 
       <div
         className={cn(
@@ -29,7 +32,7 @@ export function TotalsYourSpendings({ group, expenses }: Props) {
           totalYourSpendings < 0 ? 'text-green-600' : 'text-red-600',
         )}
       >
-        {formatCurrency(currency, Math.abs(totalYourSpendings))}
+        {formatCurrency(currency, Math.abs(totalYourSpendings), locale)}
       </div>
     </div>
   )

src/app/groups/add-group-by-url-button.tsx

@@ -9,6 +9,7 @@ import {
 } from '@/components/ui/popover'
 import { useMediaQuery } from '@/lib/hooks'
 import { Loader2, Plus } from 'lucide-react'
+import { useTranslations } from 'next-intl'
 import { useState } from 'react'
 
 type Props = {
@@ -16,6 +17,7 @@ type Props = {
 }
 
 export function AddGroupByUrlButton({ reload }: Props) {
+  const t = useTranslations('Groups.AddByURL')
   const isDesktop = useMediaQuery('(min-width: 640px)')
   const [url, setUrl] = useState('')
   const [error, setError] = useState(false)
@@ -27,18 +29,15 @@ export function AddGroupByUrlButton({ reload }: Props) {
       <PopoverTrigger asChild>
         <Button variant="secondary">
           {/* <Plus className="w-4 h-4 mr-2" /> */}
-          <>Add by URL</>
+          {t('button')}
         </Button>
       </PopoverTrigger>
       <PopoverContent
         align={isDesktop ? 'end' : 'start'}
         className="[&_p]:text-sm flex flex-col gap-3"
       >
-        <h3 className="font-bold">Add a group by URL</h3>
-        <p>
-          If a group was shared with you, you can paste its URL here to add it
-          to your list.
-        </p>
+        <h3 className="font-bold">{t('title')}</h3>
+        <p>{t('description')}</p>
         <form
           className="flex gap-2"
           onSubmit={async (event) => {
@@ -80,11 +79,7 @@ export function AddGroupByUrlButton({ reload }: Props) {
             )}
           </Button>
         </form>
-        {error && (
-          <p className="text-destructive">
-            Oops, we are not able to find the group from the URL you provided…
-          </p>
-        )}
+        {error && <p className="text-destructive">{t('error')}</p>}
       </PopoverContent>
     </Popover>
   )

src/app/groups/not-found.tsx

@@ -1,13 +1,15 @@
 import { Button } from '@/components/ui/button'
+import { useTranslations } from 'next-intl'
 import Link from 'next/link'
 
 export default function NotFound() {
+  const t = useTranslations('Groups.NotFound')
   return (
     <div className="flex flex-col gap-2">
-      <p>This group does not exist.</p>
+      <p>{t('text')}</p>
       <p>
         <Button asChild variant="secondary">
-          <Link href="/groups">Go to recently visited groups</Link>
+          <Link href="/groups">{t('link')}</Link>
         </Button>
       </p>
     </div>

src/app/groups/recent-group-list-card.tsx

@@ -23,6 +23,7 @@ import { ToastAction } from '@/components/ui/toast'
 import { useToast } from '@/components/ui/use-toast'
 import { StarFilledIcon } from '@radix-ui/react-icons'
 import { Calendar, MoreHorizontal, Star, Users } from 'lucide-react'
+import { useLocale, useTranslations } from 'next-intl'
 import Link from 'next/link'
 import { useRouter } from 'next/navigation'
 import { SetStateAction } from 'react'
@@ -37,7 +38,9 @@ export function RecentGroupListCard({
   setState: (state: SetStateAction<RecentGroupsState>) => void
 }) {
   const router = useRouter()
+  const locale = useLocale()
   const toast = useToast()
+  const t = useTranslations('Groups')
 
   const details =
     state.status === 'complete'
@@ -118,12 +121,11 @@ export function RecentGroupListCard({
                           groups: state.groups.filter((g) => g.id !== group.id),
                         })
                         toast.toast({
-                          title: 'Group has been removed',
-                          description:
-                            'The group was removed from your recent groups list.',
+                          title: t('RecentRemovedToast.title'),
+                          description: t('RecentRemovedToast.description'),
                           action: (
                             <ToastAction
-                              altText="Undo group removal"
+                              altText={t('RecentRemovedToast.undoAlt')}
                               onClick={() => {
                                 saveRecentGroup(group)
                                 setState({
@@ -132,13 +134,13 @@ export function RecentGroupListCard({
                                 })
                               }}
                             >
-                              Undo
+                              {t('RecentRemovedToast.undo')}
                             </ToastAction>
                           ),
                         })
                       }}
                     >
-                      Remove from recent groups
+                      {t('removeRecent')}
                     </DropdownMenuItem>
                     <DropdownMenuItem
                       onClick={(event) => {
@@ -152,7 +154,7 @@ export function RecentGroupListCard({
                         refreshGroupsFromStorage()
                       }}
                     >
-                      {isArchived ? <>Unarchive group</> : <>Archive group</>}
+                      {t(isArchived ? 'unarchive' : 'archive')}
                     </DropdownMenuItem>
                   </DropdownMenuContent>
                 </DropdownMenu>
@@ -168,7 +170,7 @@ export function RecentGroupListCard({
                   <div className="flex items-center">
                     <Calendar className="w-3 h-3 inline mx-1" />
                     <span>
-                      {new Date(details.createdAt).toLocaleDateString('en-US', {
+                      {new Date(details.createdAt).toLocaleDateString(locale, {
                         dateStyle: 'medium',
                       })}
                     </span>

src/app/groups/recent-group-list.tsx

@@ -10,6 +10,7 @@ import {
 import { Button } from '@/components/ui/button'
 import { getGroups } from '@/lib/api'
 import { Loader2 } from 'lucide-react'
+import { useTranslations } from 'next-intl'
 import Link from 'next/link'
 import { PropsWithChildren, SetStateAction, useEffect, useState } from 'react'
 import { RecentGroupListCard } from './recent-group-list-card'
@@ -53,6 +54,7 @@ function sortGroups(
 }
 
 export function RecentGroupList() {
+  const t = useTranslations('Groups')
   const [state, setState] = useState<RecentGroupsState>({ status: 'pending' })
 
   function loadGroups() {
@@ -84,8 +86,8 @@ export function RecentGroupList() {
     return (
       <GroupsPage reload={loadGroups}>
         <p>
-          <Loader2 className="w-4 m-4 mr-2 inline animate-spin" /> Loading
-          recent groups…
+          <Loader2 className="w-4 m-4 mr-2 inline animate-spin" />{' '}
+          {t('loadingRecent')}
         </p>
       </GroupsPage>
     )
@@ -95,12 +97,12 @@ export function RecentGroupList() {
     return (
       <GroupsPage reload={loadGroups}>
         <div className="text-sm space-y-2">
-          <p>You have not visited any group recently.</p>
+          <p>{t('NoRecent.description')}</p>
           <p>
             <Button variant="link" asChild className="-m-4">
-              <Link href={`/groups/create`}>Create one</Link>
+              <Link href={`/groups/create`}>{t('NoRecent.create')}</Link>
             </Button>{' '}
-            or ask a friend to send you the link to an existing one.
+            {t('NoRecent.orAsk')}
           </p>
         </div>
       </GroupsPage>
@@ -113,7 +115,7 @@ export function RecentGroupList() {
     <GroupsPage reload={loadGroups}>
       {starredGroupInfo.length > 0 && (
         <>
-          <h2 className="mb-2">Starred groups</h2>
+          <h2 className="mb-2">{t('starred')}</h2>
           <GroupList
             groups={starredGroupInfo}
             state={state}
@@ -124,14 +126,14 @@ export function RecentGroupList() {
 
       {groupInfo.length > 0 && (
         <>
-          <h2 className="mt-6 mb-2">Recent groups</h2>
+          <h2 className="mt-6 mb-2">{t('recent')}</h2>
           <GroupList groups={groupInfo} state={state} setState={setState} />
         </>
       )}
 
       {archivedGroupInfo.length > 0 && (
         <>
-          <h2 className="mt-6 mb-2 opacity-50">Archived groups</h2>
+          <h2 className="mt-6 mb-2 opacity-50">{t('archived')}</h2>
           <div className="opacity-50">
             <GroupList
               groups={archivedGroupInfo}
@@ -172,18 +174,19 @@ function GroupsPage({
   children,
   reload,
 }: PropsWithChildren<{ reload: () => void }>) {
+  const t = useTranslations('Groups')
   return (
     <>
       <div className="flex flex-col sm:flex-row sm:items-center justify-between gap-2">
         <h1 className="font-bold text-2xl flex-1">
-          <Link href="/groups">My groups</Link>
+          <Link href="/groups">{t('myGroups')}</Link>
         </h1>
         <div className="flex gap-2">
           <AddGroupByUrlButton reload={reload} />
           <Button asChild>
             <Link href="/groups/create">
               {/* <Plus className="w-4 h-4 mr-2" /> */}
-              <>Create</>
+              {t('create')}
             </Link>
           </Button>
         </div>

src/app/groups/recent-groups-page.tsx

@@ -1,29 +0,0 @@
-'use client'
-import { AddGroupByUrlButton } from '@/app/groups/add-group-by-url-button'
-import { RecentGroupList } from '@/app/groups/recent-group-list'
-import { Button } from '@/components/ui/button'
-import Link from 'next/link'
-
-export function RecentGroupsPage() {
-  return (
-    <>
-      <div className="flex flex-col sm:flex-row sm:items-center justify-between gap-2">
-        <h1 className="font-bold text-2xl flex-1">
-          <Link href="/groups">My groups</Link>
-        </h1>
-        <div className="flex gap-2">
-          <AddGroupByUrlButton reload={() => {}} />
-          <Button asChild>
-            <Link href="/groups/create">
-              {/* <Plus className="w-4 h-4 mr-2" /> */}
-              <>Create</>
-            </Link>
-          </Button>
-        </div>
-      </div>
-      <div>
-        <RecentGroupList />
-      </div>
-    </>
-  )
-}

src/app/layout.tsx

@@ -1,4 +1,5 @@
 import { ApplePwaSplash } from '@/app/apple-pwa-splash'
+import { LocaleSwitcher } from '@/components/locale-switcher'
 import { ProgressBar } from '@/components/progress-bar'
 import { ThemeProvider } from '@/components/theme-provider'
 import { ThemeToggle } from '@/components/theme-toggle'
@@ -6,6 +7,8 @@ import { Button } from '@/components/ui/button'
 import { Toaster } from '@/components/ui/toaster'
 import { env } from '@/lib/env'
 import type { Metadata, Viewport } from 'next'
+import { NextIntlClientProvider, useTranslations } from 'next-intl'
+import { getLocale, getMessages } from 'next-intl/server'
 import Image from 'next/image'
 import Link from 'next/link'
 import { Suspense } from 'react'
@@ -59,93 +62,114 @@ export const viewport: Viewport = {
   themeColor: '#047857',
 }
 
-export default function RootLayout({
-  children,
-}: {
-  children: React.ReactNode
-}) {
+function Content({ children }: { children: React.ReactNode }) {
+  const t = useTranslations()
   return (
-    <html lang="en" suppressHydrationWarning>
-      <ApplePwaSplash icon="/logo-with-text.png" color="#027756" />
-      <body className="pt-16 min-h-[100dvh] flex flex-col items-stretch bg-slate-50 bg-opacity-30 dark:bg-background">
-        <ThemeProvider
-          attribute="class"
-          defaultTheme="system"
-          enableSystem
-          disableTransitionOnChange
+    <>
+      <header className="fixed top-0 left-0 right-0 h-16 flex justify-between bg-white dark:bg-gray-950 bg-opacity-50 dark:bg-opacity-50 p-2 border-b backdrop-blur-sm z-50">
+        <Link
+          className="flex items-center gap-2 hover:scale-105 transition-transform"
+          href="/"
         >
-          <Suspense>
-            <ProgressBar />
-          </Suspense>
-          <header className="fixed top-0 left-0 right-0 h-16 flex justify-between bg-white dark:bg-gray-950 bg-opacity-50 dark:bg-opacity-50 p-2 border-b backdrop-blur-sm z-50">
-            <Link
-              className="flex items-center gap-2 hover:scale-105 transition-transform"
-              href="/"
-            >
-              <h1>
-                <Image
-                  src="/logo-with-text.png"
-                  className="m-1 h-auto w-auto"
-                  width={(35 * 522) / 180}
-                  height={35}
-                  alt="Spliit"
-                />
-              </h1>
+          <h1>
+            <Image
+              src="/logo-with-text.png"
+              className="m-1 h-auto w-auto"
+              width={(35 * 522) / 180}
+              height={35}
+              alt="Spliit"
+            />
+          </h1>
+        </Link>
+        <div role="navigation" aria-label="Menu" className="flex">
+          <ul className="flex items-center text-sm">
+            <li>
+              <Button
+                variant="ghost"
+                size="sm"
+                asChild
+                className="-my-3 text-primary"
+              >
+                <Link href="/groups">{t('Header.groups')}</Link>
+              </Button>
+            </li>
+            <li>
+              <LocaleSwitcher />
+            </li>
+            <li>
+              <ThemeToggle />
+            </li>
+          </ul>
+        </div>
+      </header>
+
+      <div className="flex-1 flex flex-col">{children}</div>
+
+      <footer className="sm:p-8 md:p-16 sm:mt-16 sm:text-sm md:text-base md:mt-32 bg-slate-50 dark:bg-card border-t p-6 mt-8 flex flex-col sm:flex-row sm:justify-between gap-4 text-xs [&_a]:underline">
+        <div className="flex flex-col space-y-2">
+          <div className="sm:text-lg font-semibold text-base flex space-x-2 items-center">
+            <Link className="flex items-center gap-2" href="/">
+              <Image
+                src="/logo-with-text.png"
+                className="m-1 h-auto w-auto"
+                width={(35 * 522) / 180}
+                height={35}
+                alt="Spliit"
+              />
             </Link>
-            <div role="navigation" aria-label="Menu" className="flex">
-              <ul className="flex items-center text-sm">
-                <li>
-                  <Button
-                    variant="ghost"
-                    asChild
-                    className="-my-3 text-primary"
-                  >
-                    <Link href="/groups">Groups</Link>
-                  </Button>
-                </li>
-                <li>
-                  <ThemeToggle />
-                </li>
-              </ul>
-            </div>
-          </header>
-
-          <div className="flex-1 flex flex-col">{children}</div>
-
-          <footer className="sm:p-8 md:p-16 sm:mt-16 sm:text-sm md:text-base md:mt-32 bg-slate-50 dark:bg-card border-t p-6 mt-8 flex flex-col sm:flex-row sm:justify-between gap-4 text-xs [&_a]:underline">
-            <div className="flex flex-col space-y-2">
-              <div className="sm:text-lg font-semibold text-base flex space-x-2 items-center">
-                <Link className="flex items-center gap-2" href="/">
-                  <Image
-                    src="/logo-with-text.png"
-                    className="m-1 h-auto w-auto"
-                    width={(35 * 522) / 180}
-                    height={35}
-                    alt="Spliit"
-                  />
-                </Link>
-              </div>
-              <div className="flex flex-col space-y a--no-underline-text-white">
-                <span>Made in Montréal, Québec 🇨🇦</span>
-                <span>
-                  Built by{' '}
+          </div>
+          <div className="flex flex-col space-y a--no-underline-text-white">
+            <span>{t('Footer.madeIn')}</span>
+            <span>
+              {t.rich('Footer.builtBy', {
+                author: (txt) => (
                   <a href="https://scastiel.dev" target="_blank" rel="noopener">
-                    Sebastien Castiel
-                  </a>{' '}
-                  and{' '}
+                    {txt}
+                  </a>
+                ),
+                source: (txt) => (
                   <a
                     href="https://github.com/spliit-app/spliit/graphs/contributors"
                     target="_blank"
                     rel="noopener"
                   >
-                    contributors
+                    {txt}
                   </a>
-                </span>
-              </div>
-            </div>
-          </footer>
-          <Toaster />
-        </ThemeProvider>
+                ),
+              })}
+            </span>
+          </div>
+        </div>
+      </footer>
+      <Toaster />
+    </>
+  )
+}
+
+export default async function RootLayout({
+  children,
+}: {
+  children: React.ReactNode
+}) {
+  const locale = await getLocale()
+  const messages = await getMessages()
+  return (
+    <html lang={locale} suppressHydrationWarning>
+      <ApplePwaSplash icon="/logo-with-text.png" color="#027756" />
+      <body className="pt-16 min-h-[100dvh] flex flex-col items-stretch bg-slate-50 bg-opacity-30 dark:bg-background">
+        <NextIntlClientProvider messages={messages}>
+          <ThemeProvider
+            attribute="class"
+            defaultTheme="system"
+            enableSystem
+            disableTransitionOnChange
+          >
+            <Suspense>
+              <ProgressBar />
+            </Suspense>
+            <Content>{children}</Content>
+          </ThemeProvider>
+        </NextIntlClientProvider>
       </body>
     </html>
   )

src/app/page.tsx

@@ -1,31 +1,35 @@
 import { Button } from '@/components/ui/button'
 import { Github } from 'lucide-react'
+import { useTranslations } from 'next-intl'
 import Link from 'next/link'
 
 // FIX for https://github.com/vercel/next.js/issues/58615
 // export const dynamic = 'force-dynamic'
 
 export default function HomePage() {
+  const t = useTranslations()
   return (
     <main>
       <section className="py-16 md:py-24 lg:py-32">
         <div className="container flex max-w-screen-md flex-col items-center gap-4 text-center">
-          <h1 className="!leading-none font-bold text-3xl sm:text-5xl md:text-6xl lg:text-7xl landing-header py-2">
-            Share <strong>Expenses</strong> <br /> with <strong>Friends</strong>{' '}
-            & <strong>Family</strong>
+          <h1 className="!leading-none font-bold text-2xl sm:text-3xl md:text-4xl lg:text-5xl landing-header py-2">
+            {t.rich('Homepage.title', {
+              strong: (chunks) => <strong>{chunks}</strong>,
+            })}
           </h1>
           <p className="max-w-[42rem] leading-normal text-muted-foreground sm:text-xl sm:leading-8">
-            Welcome to your new <strong>Spliit</strong> instance! <br />
-            Customize this page by editing <em>src/app/page.tsx</em>.
+            {t.rich('Homepage.description', {
+              strong: (chunks) => <strong>{chunks}</strong>,
+            })}
           </p>
           <div className="flex gap-2">
             <Button asChild>
-              <Link href="/groups">Go to groups</Link>
+              <Link href="/groups">{t('Homepage.button.groups')}</Link>
             </Button>
             <Button asChild variant="secondary">
               <Link href="https://github.com/spliit-app/spliit">
                 <Github className="w-4 h-4 mr-2" />
-                GitHub
+                {t('Homepage.button.github')}
               </Link>
             </Button>
           </div>

src/components/category-selector.tsx

@@ -17,6 +17,7 @@ import {
 } from '@/components/ui/popover'
 import { useMediaQuery } from '@/lib/hooks'
 import { Category } from '@prisma/client'
+import { useTranslations } from 'next-intl'
 import { forwardRef, useEffect, useState } from 'react'
 
 type Props = {
@@ -100,6 +101,7 @@ function CategoryCommand({
   categories: Category[]
   onValueChange: (categoryId: Category['id']) => void
 }) {
+  const t = useTranslations('Categories')
   const categoriesByGroup = categories.reduce<Record<string, Category[]>>(
     (acc, category) => ({
       ...acc,
@@ -110,16 +112,18 @@ function CategoryCommand({
 
   return (
     <Command>
-      <CommandInput placeholder="Search category..." className="text-base" />
-      <CommandEmpty>No category found.</CommandEmpty>
+      <CommandInput placeholder={t('search')} className="text-base" />
+      <CommandEmpty>{t('noCategory')}</CommandEmpty>
       <div className="w-full max-h-[300px] overflow-y-auto">
         {Object.entries(categoriesByGroup).map(
           ([group, groupCategories], index) => (
-            <CommandGroup key={index} heading={group}>
+            <CommandGroup key={index} heading={t(`${group}.heading`)}>
               {groupCategories.map((category) => (
                 <CommandItem
                   key={category.id}
-                  value={`${category.id} ${category.grouping} ${category.name}`}
+                  value={`${category.id} ${t(
+                    `${category.grouping}.heading`,
+                  )} ${t(`${category.grouping}.${category.name}`)}`}
                   onSelect={(currentValue) => {
                     const id = Number(currentValue.split(' ')[0])
                     onValueChange(id)
@@ -169,10 +173,11 @@ const CategoryButton = forwardRef<HTMLButtonElement, CategoryButtonProps>(
 CategoryButton.displayName = 'CategoryButton'
 
 function CategoryLabel({ category }: { category: Category }) {
+  const t = useTranslations('Categories')
   return (
     <div className="flex items-center gap-3">
       <CategoryIcon category={category} className="w-4 h-4" />
-      {category.name}
+      {t(`${category.grouping}.${category.name}`)}
     </div>
   )
 }

src/components/delete-popup.tsx

@@ -1,6 +1,7 @@
 'use client'
 
 import { Trash2 } from 'lucide-react'
+import { useTranslations } from 'next-intl'
 import { AsyncButton } from './async-button'
 import { Button } from './ui/button'
 import {
@@ -14,20 +15,18 @@ import {
 } from './ui/dialog'
 
 export function DeletePopup({ onDelete }: { onDelete: () => Promise<void> }) {
+  const t = useTranslations('ExpenseForm.DeletePopup')
   return (
     <Dialog>
       <DialogTrigger asChild>
         <Button variant="destructive">
           <Trash2 className="w-4 h-4 mr-2" />
-          Delete
+          {t('label')}
         </Button>
       </DialogTrigger>
       <DialogContent>
-        <DialogTitle>Delete this expense?</DialogTitle>
-        <DialogDescription>
-          Do you really want to delete this expense? This action is
-          irreversible.
-        </DialogDescription>
+        <DialogTitle>{t('title')}</DialogTitle>
+        <DialogDescription>{t('description')}</DialogDescription>
         <DialogFooter className="flex flex-col gap-2">
           <AsyncButton
             type="button"
@@ -35,10 +34,10 @@ export function DeletePopup({ onDelete }: { onDelete: () => Promise<void> }) {
             loadingContent="Deleting…"
             action={onDelete}
           >
-            Yes
+            {t('yes')}
           </AsyncButton>
           <DialogClose asChild>
-            <Button variant={'secondary'}>Cancel</Button>
+            <Button variant={'secondary'}>{t('cancel')}</Button>
           </DialogClose>
         </DialogFooter>
       </DialogContent>

src/components/expense-documents-input.tsx

@@ -19,6 +19,7 @@ import { randomId } from '@/lib/api'
 import { ExpenseFormValues } from '@/lib/schemas'
 import { formatFileSize } from '@/lib/utils'
 import { Loader2, Plus, Trash, X } from 'lucide-react'
+import { useLocale, useTranslations } from 'next-intl'
 import { getImageData, usePresignedUpload } from 'next-s3-upload'
 import Image from 'next/image'
 import { useEffect, useState } from 'react'
@@ -31,6 +32,8 @@ type Props = {
 const MAX_FILE_SIZE = 5 * 1024 ** 2
 
 export function ExpenseDocumentsInput({ documents, updateDocuments }: Props) {
+  const locale = useLocale()
+  const t = useTranslations('ExpenseDocumentsInput')
   const [pending, setPending] = useState(false)
   const { FileInput, openFileDialog, uploadToS3 } = usePresignedUpload() // use presigned uploads to addtionally support providers other than AWS
   const { toast } = useToast()
@@ -38,10 +41,11 @@ export function ExpenseDocumentsInput({ documents, updateDocuments }: Props) {
   const handleFileChange = async (file: File) => {
     if (file.size > MAX_FILE_SIZE) {
       toast({
-        title: 'The file is too big',
-        description: `The maximum file size you can upload is ${formatFileSize(
-          MAX_FILE_SIZE,
-        )}. Yours is ${formatFileSize(file.size)}.`,
+        title: t('TooBigToast.title'),
+        description: t('TooBigToast.description', {
+          maxSize: formatFileSize(MAX_FILE_SIZE, locale),
+          size: formatFileSize(file.size, locale),
+        }),
         variant: 'destructive',
       })
       return
@@ -57,13 +61,15 @@ export function ExpenseDocumentsInput({ documents, updateDocuments }: Props) {
       } catch (err) {
         console.error(err)
         toast({
-          title: 'Error while uploading document',
-          description:
-            'Something wrong happened when uploading the document. Please retry later or select a different file.',
+          title: t('ErrorToast.title'),
+          description: t('ErrorToast.description'),
           variant: 'destructive',
           action: (
-            <ToastAction altText="Retry" onClick={() => upload()}>
-              Retry
+            <ToastAction
+              altText={t('ErrorToast.retry')}
+              onClick={() => upload()}
+            >
+              {t('ErrorToast.retry')}
             </ToastAction>
           ),
         })

src/components/expense-form.tsx

@@ -44,9 +44,10 @@ import {
 import { cn } from '@/lib/utils'
 import { zodResolver } from '@hookform/resolvers/zod'
 import { Save } from 'lucide-react'
+import { useTranslations } from 'next-intl'
 import Link from 'next/link'
 import { useSearchParams } from 'next/navigation'
-import { useState } from 'react'
+import { useEffect, useState } from 'react'
 import { useForm } from 'react-hook-form'
 import { match } from 'ts-pattern'
 import { DeletePopup } from './delete-popup'
@@ -71,9 +72,6 @@ const enforceCurrencyPattern = (value: string) =>
     .replace(/#/, '.') // change back # to dot
     .replace(/[^-\d.]/g, '') // remove all non-numeric characters
 
-const capitalize = (value: string) =>
-  value.charAt(0).toUpperCase() + value.slice(1)
-
 const getDefaultSplittingOptions = (group: Props['group']) => {
   const defaultValue = {
     splitMode: 'EVENLY' as const,
@@ -154,6 +152,7 @@ export function ExpenseForm({
   onDelete,
   runtimeFeatureFlags,
 }: Props) {
+  const t = useTranslations('ExpenseForm')
   const isCreate = expense === undefined
   const searchParams = useSearchParams()
   const getSelectedPayer = (field?: { value: string }) => {
@@ -245,15 +244,79 @@ export function ExpenseForm({
   }
 
   const [isIncome, setIsIncome] = useState(Number(form.getValues().amount) < 0)
-  const sExpense = isIncome ? 'income' : 'expense'
+  const [manuallyEditedParticipants, setManuallyEditedParticipants] = useState<
+    Set<string>
+  >(new Set())
+
+  const sExpense = isIncome ? 'Income' : 'Expense'
   const sPaid = isIncome ? 'received' : 'paid'
 
+  useEffect(() => {
+    setManuallyEditedParticipants(new Set())
+  }, [form.watch('splitMode'), form.watch('amount')])
+
+  useEffect(() => {
+    const splitMode = form.getValues().splitMode
+
+    // Only auto-balance for split mode 'Unevenly - By amount'
+    if (
+      splitMode === 'BY_AMOUNT' &&
+      (form.getFieldState('paidFor').isDirty ||
+        form.getFieldState('amount').isDirty)
+    ) {
+      const totalAmount = Number(form.getValues().amount) || 0
+      const paidFor = form.getValues().paidFor
+      let newPaidFor = [...paidFor]
+
+      const editedParticipants = Array.from(manuallyEditedParticipants)
+      let remainingAmount = totalAmount
+      let remainingParticipants = newPaidFor.length - editedParticipants.length
+
+      newPaidFor = newPaidFor.map((participant) => {
+        if (editedParticipants.includes(participant.participant)) {
+          const participantShare = Number(participant.shares) || 0
+          if (splitMode === 'BY_AMOUNT') {
+            remainingAmount -= participantShare
+          }
+          return participant
+        }
+        return participant
+      })
+
+      if (remainingParticipants > 0) {
+        let amountPerRemaining = 0
+        if (splitMode === 'BY_AMOUNT') {
+          amountPerRemaining = remainingAmount / remainingParticipants
+        }
+
+        newPaidFor = newPaidFor.map((participant) => {
+          if (!editedParticipants.includes(participant.participant)) {
+            return {
+              ...participant,
+              shares: String(
+                Number(amountPerRemaining.toFixed(2)),
+              ) as unknown as number,
+            }
+          }
+          return participant
+        })
+      }
+      form.setValue('paidFor', newPaidFor, { shouldValidate: true })
+    }
+  }, [
+    manuallyEditedParticipants,
+    form.watch('amount'),
+    form.watch('splitMode'),
+  ])
+
   return (
     <Form {...form}>
       <form onSubmit={form.handleSubmit(submit)}>
         <Card>
           <CardHeader>
-            <CardTitle>{(isCreate ? 'Create ' : 'Edit ') + sExpense}</CardTitle>
+            <CardTitle>
+              {t(`${sExpense}.${isCreate ? 'create' : 'edit'}`)}
+            </CardTitle>
           </CardHeader>
           <CardContent className="grid sm:grid-cols-2 gap-6">
             <FormField
@@ -261,10 +324,10 @@ export function ExpenseForm({
               name="title"
               render={({ field }) => (
                 <FormItem className="">
-                  <FormLabel>{capitalize(sExpense)} title</FormLabel>
+                  <FormLabel>{t(`${sExpense}.TitleField.label`)}</FormLabel>
                   <FormControl>
                     <Input
-                      placeholder="Monday evening restaurant"
+                      placeholder={t(`${sExpense}.TitleField.placeholder`)}
                       className="text-base"
                       {...field}
                       onBlur={async () => {
@@ -281,7 +344,7 @@ export function ExpenseForm({
                     />
                   </FormControl>
                   <FormDescription>
-                    Enter a description for the {sExpense}.
+                    {t(`${sExpense}.TitleField.description`)}
                   </FormDescription>
                   <FormMessage />
                 </FormItem>
@@ -293,7 +356,7 @@ export function ExpenseForm({
               name="expenseDate"
               render={({ field }) => (
                 <FormItem className="sm:order-1">
-                  <FormLabel>{capitalize(sExpense)} date</FormLabel>
+                  <FormLabel>{t(`${sExpense}.DateField.label`)}</FormLabel>
                   <FormControl>
                     <Input
                       className="date-base"
@@ -305,7 +368,7 @@ export function ExpenseForm({
                     />
                   </FormControl>
                   <FormDescription>
-                    Enter the date the {sExpense} was {sPaid}.
+                    {t(`${sExpense}.DateField.description`)}
                   </FormDescription>
                   <FormMessage />
                 </FormItem>
@@ -317,7 +380,7 @@ export function ExpenseForm({
               name="amount"
               render={({ field: { onChange, ...field } }) => (
                 <FormItem className="sm:order-3">
-                  <FormLabel>Amount</FormLabel>
+                  <FormLabel>{t('amountField.label')}</FormLabel>
                   <div className="flex items-baseline gap-2">
                     <span>{group.currency}</span>
                     <FormControl>
@@ -357,7 +420,9 @@ export function ExpenseForm({
                             />
                           </FormControl>
                           <div>
-                            <FormLabel>This is a reimbursement</FormLabel>
+                            <FormLabel>
+                              {t('isReimbursementField.label')}
+                            </FormLabel>
                           </div>
                         </FormItem>
                       )}
@@ -372,7 +437,7 @@ export function ExpenseForm({
               name="category"
               render={({ field }) => (
                 <FormItem className="order-3 sm:order-2">
-                  <FormLabel>Category</FormLabel>
+                  <FormLabel>{t('categoryField.label')}</FormLabel>
                   <CategorySelector
                     categories={categories}
                     defaultValue={
@@ -382,7 +447,7 @@ export function ExpenseForm({
                     isLoading={isCategoryLoading}
                   />
                   <FormDescription>
-                    Select the {sExpense} category.
+                    {t(`${sExpense}.categoryFieldDescription`)}
                   </FormDescription>
                   <FormMessage />
                 </FormItem>
@@ -394,7 +459,7 @@ export function ExpenseForm({
               name="paidBy"
               render={({ field }) => (
                 <FormItem className="sm:order-5">
-                  <FormLabel>{capitalize(sPaid)} by</FormLabel>
+                  <FormLabel>{t(`${sExpense}.paidByField.label`)}</FormLabel>
                   <Select
                     onValueChange={field.onChange}
                     defaultValue={getSelectedPayer(field)}
@@ -411,7 +476,7 @@ export function ExpenseForm({
                     </SelectContent>
                   </Select>
                   <FormDescription>
-                    Select the participant who {sPaid} the {sExpense}.
+                    {t(`${sExpense}.paidByField.description`)}
                   </FormDescription>
                   <FormMessage />
                 </FormItem>
@@ -422,7 +487,7 @@ export function ExpenseForm({
               name="notes"
               render={({ field }) => (
                 <FormItem className="sm:order-6">
-                  <FormLabel>Notes</FormLabel>
+                  <FormLabel>{t('notesField.label')}</FormLabel>
                   <FormControl>
                     <Textarea className="text-base" {...field} />
                   </FormControl>
@@ -435,7 +500,7 @@ export function ExpenseForm({
         <Card className="mt-4">
           <CardHeader>
             <CardTitle className="flex justify-between">
-              <span>{capitalize(sPaid)} for</span>
+              <span>{t(`${sExpense}.paidFor.title`)}</span>
               <Button
                 variant="link"
                 type="button"
@@ -461,14 +526,14 @@ export function ExpenseForm({
               >
                 {form.getValues().paidFor.length ===
                 group.participants.length ? (
-                  <>Select none</>
+                  <>{t('selectNone')}</>
                 ) : (
-                  <>Select all</>
+                  <>{t('selectAll')}</>
                 )}
               </Button>
             </CardTitle>
             <CardDescription>
-              Select who the {sExpense} was {sPaid} for.
+              {t(`${sExpense}.paidFor.description`)}
             </CardDescription>
           </CardHeader>
           <CardContent>
@@ -497,18 +562,29 @@ export function ExpenseForm({
                                     ({ participant }) => participant === id,
                                   )}
                                   onCheckedChange={(checked) => {
-                                    return checked
-                                      ? field.onChange([
-                                          ...field.value,
-                                          {
-                                            participant: id,
-                                            shares: '1',
-                                          },
-                                        ])
-                                      : field.onChange(
+                                    const options = {
+                                      shouldDirty: true,
+                                      shouldTouch: true,
+                                      shouldValidate: true,
+                                    }
+                                    checked
+                                      ? form.setValue(
+                                          'paidFor',
+                                          [
+                                            ...field.value,
+                                            {
+                                              participant: id,
+                                              shares: '1' as unknown as number,
+                                            },
+                                          ],
+                                          options,
+                                        )
+                                      : form.setValue(
+                                          'paidFor',
                                           field.value?.filter(
                                             (value) => value.participant !== id,
                                           ),
+                                          options,
                                         )
                                   }}
                                 />
@@ -533,7 +609,9 @@ export function ExpenseForm({
                                       })}
                                     >
                                       {match(form.getValues().splitMode)
-                                        .with('BY_SHARES', () => <>share(s)</>)
+                                        .with('BY_SHARES', () => (
+                                          <>{t('shares')}</>
+                                        ))
                                         .with('BY_PERCENTAGE', () => <>%</>)
                                         .with('BY_AMOUNT', () => (
                                           <>{group.currency}</>
@@ -570,7 +648,7 @@ export function ExpenseForm({
                                                   participant === id,
                                               )?.shares
                                             }
-                                            onChange={(event) =>
+                                            onChange={(event) => {
                                               field.onChange(
                                                 field.value.map((p) =>
                                                   p.participant === id
@@ -584,7 +662,10 @@ export function ExpenseForm({
                                                     : p,
                                                 ),
                                               )
-                                            }
+                                              setManuallyEditedParticipants(
+                                                (prev) => new Set(prev).add(id),
+                                              )
+                                            }}
                                             inputMode={
                                               form.getValues().splitMode ===
                                               'BY_AMOUNT'
@@ -628,7 +709,7 @@ export function ExpenseForm({
             >
               <CollapsibleTrigger asChild>
                 <Button variant="link" className="-mx-4">
-                  Advanced splitting options…
+                  {t('advancedOptions')}
                 </Button>
               </CollapsibleTrigger>
               <CollapsibleContent>
@@ -638,7 +719,7 @@ export function ExpenseForm({
                     name="splitMode"
                     render={({ field }) => (
                       <FormItem>
-                        <FormLabel>Split mode</FormLabel>
+                        <FormLabel>{t('SplitModeField.label')}</FormLabel>
                         <FormControl>
                           <Select
                             onValueChange={(value) => {
@@ -654,21 +735,23 @@ export function ExpenseForm({
                               <SelectValue />
                             </SelectTrigger>
                             <SelectContent>
-                              <SelectItem value="EVENLY">Evenly</SelectItem>
+                              <SelectItem value="EVENLY">
+                                {t('SplitModeField.evenly')}
+                              </SelectItem>
                               <SelectItem value="BY_SHARES">
-                                Unevenly – By shares
+                                {t('SplitModeField.byShares')}
                               </SelectItem>
                               <SelectItem value="BY_PERCENTAGE">
-                                Unevenly – By percentage
+                                {t('SplitModeField.byPercentage')}
                               </SelectItem>
                               <SelectItem value="BY_AMOUNT">
-                                Unevenly – By amount
+                                {t('SplitModeField.byAmount')}
                               </SelectItem>
                             </SelectContent>
                           </Select>
                         </FormControl>
                         <FormDescription>
-                          Select how to split the {sExpense}.
+                          {t(`${sExpense}.splitModeDescription`)}
                         </FormDescription>
                       </FormItem>
                     )}
@@ -686,7 +769,7 @@ export function ExpenseForm({
                         </FormControl>
                         <div>
                           <FormLabel>
-                            Save as default splitting options
+                            {t('SplitModeField.saveAsDefault')}
                           </FormLabel>
                         </div>
                       </FormItem>
@@ -702,10 +785,10 @@ export function ExpenseForm({
           <Card className="mt-4">
             <CardHeader>
               <CardTitle className="flex justify-between">
-                <span>Attach documents</span>
+                <span>{t('attachDocuments')}</span>
               </CardTitle>
               <CardDescription>
-                See and attach receipts to the {sExpense}.
+                {t(`${sExpense}.attachDescription`)}
               </CardDescription>
             </CardHeader>
             <CardContent>
@@ -724,11 +807,9 @@ export function ExpenseForm({
         )}
 
         <div className="flex mt-4 gap-2">
-          <SubmitButton
-            loadingContent={isCreate ? <>Creating…</> : <>Saving…</>}
-          >
+          <SubmitButton loadingContent={t(isCreate ? 'creating' : 'saving')}>
             <Save className="w-4 h-4 mr-2" />
-            {isCreate ? <>Create</> : <>Save</>}
+            {t(isCreate ? 'create' : 'save')}
           </SubmitButton>
           {!isCreate && onDelete && (
             <DeletePopup
@@ -736,7 +817,7 @@ export function ExpenseForm({
             ></DeletePopup>
           )}
           <Button variant="ghost" asChild>
-            <Link href={`/groups/${group.id}`}>Cancel</Link>
+            <Link href={`/groups/${group.id}`}>{t('cancel')}</Link>
           </Button>
         </div>
       </form>

src/components/group-form.tsx

@@ -35,9 +35,11 @@ import { getGroup } from '@/lib/api'
 import { GroupFormValues, groupFormSchema } from '@/lib/schemas'
 import { zodResolver } from '@hookform/resolvers/zod'
 import { Save, Trash2 } from 'lucide-react'
+import { useTranslations } from 'next-intl'
 import Link from 'next/link'
 import { useEffect, useState } from 'react'
 import { useFieldArray, useForm } from 'react-hook-form'
+import { Textarea } from './ui/textarea'
 
 export type Props = {
   group?: NonNullable<Awaited<ReturnType<typeof getGroup>>>
@@ -53,18 +55,25 @@ export function GroupForm({
   onSubmit,
   protectedParticipantIds = [],
 }: Props) {
+  const t = useTranslations('GroupForm')
   const form = useForm<GroupFormValues>({
     resolver: zodResolver(groupFormSchema),
     defaultValues: group
       ? {
           name: group.name,
+          information: group.information ?? '',
           currency: group.currency,
           participants: group.participants,
         }
       : {
           name: '',
+          information: '',
           currency: '',
-          participants: [{ name: 'John' }, { name: 'Jane' }, { name: 'Jack' }],
+          participants: [
+            { name: t('Participants.John') },
+            { name: t('Participants.Jane') },
+            { name: t('Participants.Jack') },
+          ],
         },
   })
   const { fields, append, remove } = useFieldArray({
@@ -79,10 +88,10 @@ export function GroupForm({
       const currentActiveUser =
         fields.find(
           (f) => f.id === localStorage.getItem(`${group?.id}-activeUser`),
-        )?.name || 'None'
+        )?.name || t('Settings.ActiveUserField.none')
       setActiveUser(currentActiveUser)
     }
-  }, [activeUser, fields, group?.id])
+  }, [t, activeUser, fields, group?.id])
 
   const updateActiveUser = () => {
     if (!activeUser) return
@@ -111,7 +120,7 @@ export function GroupForm({
       >
         <Card className="mb-4">
           <CardHeader>
-            <CardTitle>Group information</CardTitle>
+            <CardTitle>{t('title')}</CardTitle>
           </CardHeader>
           <CardContent className="grid grid-cols-1 sm:grid-cols-2 gap-4">
             <FormField
@@ -119,16 +128,16 @@ export function GroupForm({
               name="name"
               render={({ field }) => (
                 <FormItem>
-                  <FormLabel>Group name</FormLabel>
+                  <FormLabel>{t('NameField.label')}</FormLabel>
                   <FormControl>
                     <Input
                       className="text-base"
-                      placeholder="Summer vacations"
+                      placeholder={t('NameField.placeholder')}
                       {...field}
                     />
                   </FormControl>
                   <FormDescription>
-                    Enter a name for your group.
+                    {t('NameField.description')}
                   </FormDescription>
                   <FormMessage />
                 </FormItem>
@@ -140,31 +149,50 @@ export function GroupForm({
               name="currency"
               render={({ field }) => (
                 <FormItem>
-                  <FormLabel>Currency symbol</FormLabel>
+                  <FormLabel>{t('CurrencyField.label')}</FormLabel>
                   <FormControl>
                     <Input
                       className="text-base"
-                      placeholder="$, €, £…"
+                      placeholder={t('CurrencyField.placeholder')}
                       max={5}
                       {...field}
                     />
                   </FormControl>
                   <FormDescription>
-                    We’ll use it to display amounts.
+                    {t('CurrencyField.description')}
                   </FormDescription>
                   <FormMessage />
                 </FormItem>
               )}
             />
+
+            <div className="col-span-2">
+              <FormField
+                control={form.control}
+                name="information"
+                render={({ field }) => (
+                  <FormItem>
+                    <FormLabel>{t('InformationField.label')}</FormLabel>
+                    <FormControl>
+                      <Textarea
+                        rows={10}
+                        className="text-base"
+                        {...field}
+                        placeholder={t('InformationField.placeholder')}
+                      />
+                    </FormControl>
+                    <FormMessage />
+                  </FormItem>
+                )}
+              />
+            </div>
           </CardContent>
         </Card>
 
         <Card className="mb-4">
           <CardHeader>
-            <CardTitle>Participants</CardTitle>
-            <CardDescription>
-              Enter the name for each participant
-            </CardDescription>
+            <CardTitle>{t('Participants.title')}</CardTitle>
+            <CardDescription>{t('Participants.description')}</CardDescription>
           </CardHeader>
           <CardContent>
             <ul className="flex flex-col gap-2">
@@ -183,7 +211,7 @@ export function GroupForm({
                             <Input
                               className="text-base"
                               {...field}
-                              placeholder="New"
+                              placeholder={t('Participants.new')}
                             />
                             {item.id &&
                             protectedParticipantIds.includes(item.id) ? (
@@ -203,8 +231,7 @@ export function GroupForm({
                                   align="end"
                                   className="text-sm"
                                 >
-                                  This participant is part of expenses, and can
-                                  not be removed.
+                                  {t('Participants.protectedParticipant')}
                                 </HoverCardContent>
                               </HoverCard>
                             ) : (
@@ -236,24 +263,21 @@ export function GroupForm({
               }}
               type="button"
             >
-              Add participant
+              {t('Participants.add')}
             </Button>
           </CardFooter>
         </Card>
 
         <Card className="mb-4">
           <CardHeader>
-            <CardTitle>Local settings</CardTitle>
-            <CardDescription>
-              These settings are set per-device, and are used to customize your
-              experience.
-            </CardDescription>
+            <CardTitle>{t('Settings.title')}</CardTitle>
+            <CardDescription>{t('Settings.description')}</CardDescription>
           </CardHeader>
           <CardContent>
             <div className="grid sm:grid-cols-2 gap-4">
               {activeUser !== null && (
                 <FormItem>
-                  <FormLabel>Active user</FormLabel>
+                  <FormLabel>{t('Settings.ActiveUserField.label')}</FormLabel>
                   <FormControl>
                     <Select
                       onValueChange={(value) => {
@@ -262,10 +286,17 @@ export function GroupForm({
                       defaultValue={activeUser}
                     >
                       <SelectTrigger>
-                        <SelectValue placeholder="Select a participant" />
+                        <SelectValue
+                          placeholder={t(
+                            'Settings.ActiveUserField.placeholder',
+                          )}
+                        />
                       </SelectTrigger>
                       <SelectContent>
-                        {[{ name: 'None' }, ...form.watch('participants')]
+                        {[
+                          { name: t('Settings.ActiveUserField.none') },
+                          ...form.watch('participants'),
+                        ]
                           .filter((item) => item.name.length > 0)
                           .map(({ name }) => (
                             <SelectItem key={name} value={name}>
@@ -276,7 +307,7 @@ export function GroupForm({
                     </Select>
                   </FormControl>
                   <FormDescription>
-                    User used as default for paying expenses.
+                    {t('Settings.ActiveUserField.description')}
                   </FormDescription>
                 </FormItem>
               )}
@@ -286,14 +317,15 @@ export function GroupForm({
 
         <div className="flex mt-4 gap-2">
           <SubmitButton
-            loadingContent={group ? 'Saving…' : 'Creating…'}
+            loadingContent={t(group ? 'Settings.saving' : 'Settings.creating')}
             onClick={updateActiveUser}
           >
-            <Save className="w-4 h-4 mr-2" /> {group ? <>Save</> : <> Create</>}
+            <Save className="w-4 h-4 mr-2" />{' '}
+            {t(group ? 'Settings.save' : 'Settings.create')}
           </SubmitButton>
           {!group && (
             <Button variant="ghost" asChild>
-              <Link href="/groups">Cancel</Link>
+              <Link href="/groups">{t('Settings.cancel')}</Link>
             </Button>
           )}
         </div>

src/components/locale-switcher.tsx

@@ -0,0 +1,33 @@
+'use client'
+
+import { Button } from '@/components/ui/button'
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuTrigger,
+} from '@/components/ui/dropdown-menu'
+import { locales } from '@/i18n'
+import { setUserLocale } from '@/lib/locale'
+import { useLocale, useTranslations } from 'next-intl'
+
+export function LocaleSwitcher() {
+  const t = useTranslations('Locale')
+  const locale = useLocale()
+  return (
+    <DropdownMenu>
+      <DropdownMenuTrigger asChild>
+        <Button variant="ghost" size="sm" className="-my-3 text-primary">
+          <span>{t(locale)}</span>
+        </Button>
+      </DropdownMenuTrigger>
+      <DropdownMenuContent>
+        {locales.map((locale) => (
+          <DropdownMenuItem key={locale} onClick={() => setUserLocale(locale)}>
+            {t(locale)}
+          </DropdownMenuItem>
+        ))}
+      </DropdownMenuContent>
+    </DropdownMenu>
+  )
+}

src/components/money.tsx

@@ -1,5 +1,6 @@
 'use client'
 import { cn, formatCurrency } from '@/lib/utils'
+import { useLocale } from 'next-intl'
 
 type Props = {
   currency: string
@@ -14,6 +15,7 @@ export function Money({
   bold = false,
   colored = false,
 }: Props) {
+  const locale = useLocale()
   return (
     <span
       className={cn(
@@ -25,7 +27,7 @@ export function Money({
         bold && 'font-bold',
       )}
     >
-      {formatCurrency(currency, amount)}
+      {formatCurrency(currency, amount, locale)}
     </span>
   )
 }

src/components/ui/form.tsx

@@ -12,6 +12,7 @@ import {
 
 import { cn } from "@/lib/utils"
 import { Label } from "@/components/ui/label"
+import { useMessages } from "next-intl"
 
 const Form = FormProvider
 
@@ -78,7 +79,7 @@ const FormItem = React.forwardRef<
 
   return (
     <FormItemContext.Provider value={{ id }}>
-      <div ref={ref} className={cn("space-y-2", className)} {...props} />
+      <div ref={ref} className={cn("col-span-2 md:col-span-1 space-y-2", className)} {...props} />
     </FormItemContext.Provider>
   )
 })
@@ -144,8 +145,18 @@ const FormMessage = React.forwardRef<
   HTMLParagraphElement,
   React.HTMLAttributes<HTMLParagraphElement>
 >(({ className, children, ...props }, ref) => {
+  const messages = useMessages()
   const { error, formMessageId } = useFormField()
-  const body = error ? String(error?.message) : children
+  let body
+  if (error) {
+    body = String(error?.message)
+    const translation = (messages.SchemaErrors as any)[body]
+    if (translation) {
+      body = translation
+    }
+  } else {
+    body = children
+  }
 
   if (!body) {
     return null

src/components/ui/search-bar.tsx

@@ -2,6 +2,7 @@ import * as React from 'react'
 
 import { Input } from '@/components/ui/input'
 import { cn } from '@/lib/utils'
+import { useTranslations } from 'next-intl'
 import { Search, XCircle } from 'lucide-react'
 
 export interface InputProps
@@ -11,6 +12,7 @@ export interface InputProps
 
 const SearchBar = React.forwardRef<HTMLInputElement, InputProps>(
   ({ className, type, onValueChange, ...props }, ref) => {
+    const t = useTranslations('Expenses')
     const [value, _setValue] = React.useState('')
 
     const setValue = (v: string) => {
@@ -28,7 +30,7 @@ const SearchBar = React.forwardRef<HTMLInputElement, InputProps>(
             className,
           )}
           ref={ref}
-          placeholder="Search for an expense…"
+          placeholder={t("searchPlaceholder")}
           value={value}
           onChange={(e) => setValue(e.target.value)}
           {...props}

src/i18n.ts

@@ -0,0 +1,24 @@
+import { getRequestConfig } from 'next-intl/server'
+import { getUserLocale } from './lib/locale'
+
+export const locales = [
+  'en-US',
+  'fi',
+  'fr-FR',
+  'es',
+  'de-DE',
+  'zh-CN',
+  'ru-RU',
+] as const
+export type Locale = (typeof locales)[number]
+export type Locales = ReadonlyArray<Locale>
+export const defaultLocale: Locale = 'en-US'
+
+export default getRequestConfig(async () => {
+  const locale = await getUserLocale()
+
+  return {
+    locale,
+    messages: (await import(`../messages/${locale}.json`)).default,
+  }
+})

src/lib/api.ts

@@ -12,6 +12,7 @@ export async function createGroup(groupFormValues: GroupFormValues) {
     data: {
       id: randomId(),
       name: groupFormValues.name,
+      information: groupFormValues.information,
       currency: groupFormValues.currency,
       participants: {
         createMany: {
@@ -226,6 +227,7 @@ export async function updateGroup(
     where: { id: groupId },
     data: {
       name: groupFormValues.name,
+      information: groupFormValues.information,
       currency: groupFormValues.currency,
       participants: {
         deleteMany: existingGroup.participants.filter(

src/lib/balances.ts

@@ -82,13 +82,29 @@ export function getPublicBalances(reimbursements: Reimbursement[]): Balances {
   return balances
 }
 
+/**
+ * A comparator that is stable across reimbursements.
+ * This ensures that a participant executing a suggested reimbursement
+ * does not result in completely new repayment suggestions.
+ */
+function compareBalancesForReimbursements(b1: any, b2: any): number {
+  // positive balances come before negative balances
+  if (b1.total > 0 && 0 > b2.total) {
+    return -1
+  } else if (b2.total > 0 && 0 > b1.total) {
+    return 1
+  }
+  // if signs match, sort based on userid
+  return b1.participantId < b2.participantId ? -1 : 1
+}
+
 export function getSuggestedReimbursements(
   balances: Balances,
 ): Reimbursement[] {
   const balancesArray = Object.entries(balances)
     .map(([participantId, { total }]) => ({ participantId, total }))
     .filter((b) => b.total !== 0)
-  balancesArray.sort((b1, b2) => b2.total - b1.total)
+  balancesArray.sort(compareBalancesForReimbursements)
   const reimbursements: Reimbursement[] = []
   while (balancesArray.length > 1) {
     const first = balancesArray[0]

src/lib/locale.ts

@@ -0,0 +1,42 @@
+'use server'
+
+import { Locale, Locales, defaultLocale, locales } from '@/i18n'
+import { match } from '@formatjs/intl-localematcher'
+import Negotiator from 'negotiator'
+import { cookies, headers } from 'next/headers'
+
+const COOKIE_NAME = 'NEXT_LOCALE'
+
+function getAcceptLanguageLocale(requestHeaders: Headers, locales: Locales) {
+  let locale
+  const languages = new Negotiator({
+    headers: {
+      'accept-language': requestHeaders.get('accept-language') || undefined,
+    },
+  }).languages()
+  try {
+    locale = match(languages, locales, defaultLocale)
+  } catch (e) {
+    // invalid language
+  }
+  return locale
+}
+
+export async function getUserLocale() {
+  let locale
+
+  // Prio 1: use existing cookie
+  locale = cookies().get(COOKIE_NAME)?.value
+
+  // Prio 2: use `accept-language` header
+  // Prio 3: use default locale
+  if (!locale) {
+    locale = getAcceptLanguageLocale(headers(), locales)
+  }
+
+  return locale
+}
+
+export async function setUserLocale(locale: Locale) {
+  cookies().set(COOKIE_NAME, locale)
+}

src/lib/schemas.ts

@@ -3,22 +3,14 @@ import * as z from 'zod'
 
 export const groupFormSchema = z
   .object({
-    name: z
-      .string()
-      .min(2, 'Enter at least two characters.')
-      .max(50, 'Enter at most 50 characters.'),
-    currency: z
-      .string()
-      .min(1, 'Enter at least one character.')
-      .max(5, 'Enter at most five characters.'),
+    name: z.string().min(2, 'min2').max(50, 'max50'),
+    information: z.string().optional(),
+    currency: z.string().min(1, 'min1').max(5, 'max5'),
     participants: z
       .array(
         z.object({
           id: z.string().optional(),
-          name: z
-            .string()
-            .min(2, 'Enter at least two characters.')
-            .max(50, 'Enter at most 50 characters.'),
+          name: z.string().min(2, 'min2').max(50, 'max50'),
         }),
       )
       .min(1),
@@ -29,7 +21,7 @@ export const groupFormSchema = z
         if (otherParticipant.name === participant.name) {
           ctx.addIssue({
             code: 'custom',
-            message: 'Another participant already has this name.',
+            message: 'duplicateParticipantName',
             path: ['participants', i, 'name'],
           })
         }
@@ -42,9 +34,7 @@ export type GroupFormValues = z.infer<typeof groupFormSchema>
 export const expenseFormSchema = z
   .object({
     expenseDate: z.coerce.date(),
-    title: z
-      .string({ required_error: 'Please enter a title.' })
-      .min(2, 'Enter at least two characters.'),
+    title: z.string({ required_error: 'titleRequired' }).min(2, 'min2'),
     category: z.coerce.number().default(0),
     amount: z
       .union(
@@ -55,19 +45,16 @@ export const expenseFormSchema = z
             if (Number.isNaN(valueAsNumber))
               ctx.addIssue({
                 code: z.ZodIssueCode.custom,
-                message: 'Invalid number.',
+                message: 'invalidNumber',
               })
             return Math.round(valueAsNumber * 100)
           }),
         ],
-        { required_error: 'You must enter an amount.' },
+        { required_error: 'amountRequired' },
       )
-      .refine((amount) => amount != 1, 'The amount must not be zero.')
-      .refine(
-        (amount) => amount <= 10_000_000_00,
-        'The amount must be lower than 10,000,000.',
-      ),
-    paidBy: z.string({ required_error: 'You must select a participant.' }),
+      .refine((amount) => amount != 1, 'amountNotZero')
+      .refine((amount) => amount <= 10_000_000_00, 'amountTenMillion'),
+    paidBy: z.string({ required_error: 'paidByRequired' }),
     paidFor: z
       .array(
         z.object({
@@ -80,14 +67,14 @@ export const expenseFormSchema = z
               if (Number.isNaN(valueAsNumber))
                 ctx.addIssue({
                   code: z.ZodIssueCode.custom,
-                  message: 'Invalid number.',
+                  message: 'invalidNumber',
                 })
               return Math.round(valueAsNumber * 100)
             }),
           ]),
         }),
       )
-      .min(1, 'The expense must be paid for at least one participant.')
+      .min(1, 'paidForMin1')
       .superRefine((paidFor, ctx) => {
         let sum = 0
         for (const { shares } of paidFor) {
@@ -95,7 +82,7 @@ export const expenseFormSchema = z
           if (shares < 1) {
             ctx.addIssue({
               code: z.ZodIssueCode.custom,
-              message: 'All shares must be higher than 0.',
+              message: 'noZeroShares',
             })
           }
         }
@@ -138,7 +125,7 @@ export const expenseFormSchema = z
               : `${((sum - expense.amount) / 100).toFixed(2)} surplus`
           ctx.addIssue({
             code: z.ZodIssueCode.custom,
-            message: `Sum of amounts must equal the expense amount (${detail}).`,
+            message: 'amountSum',
             path: ['paidFor'],
           })
         }
@@ -152,7 +139,7 @@ export const expenseFormSchema = z
               : `${((sum - 10000) / 100).toFixed(0)}% surplus`
           ctx.addIssue({
             code: z.ZodIssueCode.custom,
-            message: `Sum of percentages must equal 100 (${detail})`,
+            message: 'percentageSum',
             path: ['paidFor'],
           })
         }

src/lib/utils.test.ts

@@ -0,0 +1,71 @@
+import { formatCurrency } from './utils'
+
+describe('formatCurrency', () => {
+  const currency = 'CUR'
+  /** For testing decimals */
+  const partialAmount = 1.23
+  /** For testing small full amounts */
+  const smallAmount = 1
+  /** For testing large full amounts */
+  const largeAmount = 10000
+
+  /** Non-breaking space */
+  const nbsp = '\xa0'
+
+  interface variation {
+    amount: number
+    locale: string
+    result: string
+  }
+
+  /**
+   * Variations to be tested, chosen as follows
+   * - `en-US` is a very common i18n fallback
+   * - `de-DE` exhibited faulty behavior in previous versions
+   */
+  const variations: variation[] = [
+    {
+      amount: partialAmount,
+      locale: `en-US`,
+      result: `${currency}1.23`,
+    },
+    {
+      amount: smallAmount,
+      locale: `en-US`,
+      result: `${currency}1.00`,
+    },
+    {
+      amount: largeAmount,
+      locale: `en-US`,
+      result: `${currency}10,000.00`,
+    },
+    {
+      amount: partialAmount,
+      locale: `de-DE`,
+      result: `1,23${nbsp}${currency}`,
+    },
+    {
+      amount: smallAmount,
+      locale: `de-DE`,
+      result: `1,00${nbsp}${currency}`,
+    },
+    {
+      amount: largeAmount,
+      locale: `de-DE`,
+      result: `10.000,00${nbsp}${currency}`,
+    },
+  ]
+
+  for (const variation of variations) {
+    it(`formats ${variation.amount} in ${variation.locale} without fractions`, () => {
+      expect(
+        formatCurrency(currency, variation.amount * 100, variation.locale),
+      ).toBe(variation.result)
+    })
+    it(`formats ${variation.amount} in ${variation.locale} with fractions`, () => {
+      expect(
+        formatCurrency(currency, variation.amount, variation.locale, true),
+      ).toBe(variation.result)
+    })
+  }
+})

src/lib/utils.ts

@@ -15,9 +15,10 @@ export type DateTimeStyle = NonNullable<
 >['dateStyle']
 export function formatDate(
   date: Date,
+  locale: string,
   options: { dateStyle?: DateTimeStyle; timeStyle?: DateTimeStyle } = {},
 ) {
-  return date.toLocaleString('en-GB', {
+  return date.toLocaleString(locale, {
     ...options,
     timeZone: 'UTC',
   })
@@ -27,18 +28,31 @@ export function formatCategoryForAIPrompt(category: Category) {
   return `"${category.grouping}/${category.name}" (ID: ${category.id})`
 }
 
-export function formatCurrency(currency: string, amount: number) {
-  const format = new Intl.NumberFormat('en-US', {
+/**
+ * @param fractions Financial values in this app are generally processed in cents (or equivalent).
+ * They are are therefore integer representations of the amount (e.g. 100 for USD 1.00).
+ * Set this to `true` if you need to pass a value with decimal fractions instead (e.g. 1.00 for USD 1.00).
+ */
+export function formatCurrency(
+  currency: string,
+  amount: number,
+  locale: string,
+  fractions?: boolean,
+) {
+  const format = new Intl.NumberFormat(locale, {
     minimumFractionDigits: 2,
     maximumFractionDigits: 2,
+    style: 'currency',
+    // '€' will be placed in correct position
+    currency: 'EUR',
   })
-  const formattedAmount = format.format(amount / 100)
-  return `${currency} ${formattedAmount}`
+  const formattedAmount = format.format(fractions ? amount : amount / 100)
+  return formattedAmount.replace('€', currency)
 }
 
-export function formatFileSize(size: number) {
+export function formatFileSize(size: number, locale: string) {
   const formatNumber = (num: number) =>
-    num.toLocaleString('en-US', {
+    num.toLocaleString(locale, {
       minimumFractionDigits: 0,
       maximumFractionDigits: 1,
     })
@@ -48,3 +62,13 @@ export function formatFileSize(size: number) {
   if (size > 1024) return `${formatNumber(size / 1024)} kB`
   return `${formatNumber(size)} B`
 }
+
+export function normalizeString(input: string): string {
+  // Replaces special characters
+  // Input: áäåèéę
+  // Output: aaaeee
+  return input
+    .toLowerCase()
+    .normalize('NFD')
+    .replace(/[\u0300-\u036f]/g, '')
+}