Add internationalization support with English/German language toggle across all components

Integrated i18n system throughout the application with `useLanguage` hook providing translation function and language state. Added bilingual support to all user-facing strings in App.jsx (password validation, error messages, game creation, sheet sections), AdminPanel (user management, form validation, status messages), AdminSettingsModal (SMTP configuration), ChipModal, DesignModal, GamePickerCard (lobby interface,
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2026-08-02 10:33:40 +02:00
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import React, { createContext, useContext, useEffect, useMemo, useState } from "react";
const STORAGE_KEY = "hpLanguage";
const LanguageContext = createContext(null);
export const translations = {
de: {
language: "Deutsch",
changeLanguage: "Sprache ändern",
switchTo: "English",
statistics: "Statistik",
adminDashboard: "Admin Dashboard",
adminSettings: "Admin Settings",
setPassword: "Passwort setzen",
changeDesign: "Design ändern",
logout: "Logout",
newGame: "New Game",
user: "User",
admin: "Admin",
help: "Hilfe",
game: "Spiel",
players: "Spieler",
suspects: "Verdächtige Personen",
items: "Gegenstände",
locations: "Orte",
winner: "Sieger",
started: "Spiel läuft",
finished: "Spiel beendet",
lobby: "Lobby",
startGame: "Spiel starten",
waitingForHost: "Warte, bis der Host das Spiel startet.",
chipsCreated: "Spieler-Chips erstellt",
atLeastTwoPlayers: "Mindestens 2 Spieler werden benötigt.",
chipsOnStart: "Beim Start werden die Spieler-Chips erstellt.",
noPlayersYet: "Noch keine Spieler beigetreten.",
close: "Schließen",
cancel: "Abbrechen",
save: "Speichern",
create: "Erstellen",
edit: "Bearbeiten",
delete: "Löschen",
disable: "Deaktivieren",
active: "aktiv",
disabled: "deaktiviert",
loading: "Laden …",
email: "E-Mail",
password: "Passwort",
confirmPassword: "Passwort bestätigen",
role: "Rolle",
displayName: "Anzeigename",
name: "Name",
createUser: "User anlegen",
editUser: "User bearbeiten",
newUser: "Neuen User anlegen",
existingUsers: "Vorhandene User",
accountActive: "Konto ist aktiv",
optional: "optional",
inviteHint: "Leer lassen = Einladung senden",
inviteNotice: "Ohne Passwort wird automatisch eine einmalige Einladung per SMTP verschickt.",
adminDashboardSubtitle: "Benutzer, Rollen und Zugangsdaten verwalten",
adminSettingsSubtitle: "SMTP und Einladungen konfigurieren",
smtpServer: "SMTP-Server",
port: "Port",
smtpUsername: "SMTP-Benutzername",
senderEmail: "Absender-E-Mail",
senderName: "Absendername",
appUrl: "App-URL für Einladungslinks",
useTls: "STARTTLS verwenden (empfohlen)",
testEmail: "Test-E-Mail",
sendTest: "Test senden",
saveSettings: "Einstellungen speichern",
setupAdmin: "Admin einrichten",
login: "Anmelden",
logout: "Logout",
enterEmail: "E-Mail eingeben",
passwordMin: "Mindestens 8 Zeichen",
passwordAgain: "Passwort wiederholen",
acceptInvite: "Einladung annehmen",
invite: "Deine Einladung",
setPasswordTitle: "Passwort setzen",
design: "Design ändern",
joinGame: "Spiel beitreten",
newGameTitle: "Neues Spiel",
gameCode: "Spiel-Code",
copy: "Kopieren",
copied: "Kopiert",
createGame: "Spiel erstellen",
join: "Beitreten",
chooseAction: "Was möchtest du tun?",
helpTitle: "Hilfe & Spielablauf",
notes: "Notizen",
playerChips: "Spieler-Chips",
whoHasCard: "Wer hat die Karte?",
selectChip: "Chip auswählen",
readOnly: "Spiel beendet Notizzettel ist schreibgeschützt",
cycleStatus: "Klick: Grün → Rot → Grau → Leer",
cycleNote: "— → i → m → s.(Chip) → —",
gameStarted: "Spiel gestartet",
investigationsBegin: "Die Ermittlungen beginnen",
bestDetective: "Möge der beste Detektiv gewinnen.",
},
en: {
language: "English",
changeLanguage: "Change language",
switchTo: "Deutsch",
statistics: "Statistics",
adminDashboard: "Admin Dashboard",
adminSettings: "Admin Settings",
setPassword: "Set password",
changeDesign: "Change design",
logout: "Logout",
newGame: "New Game",
user: "User",
admin: "Admin",
help: "Help",
game: "Game",
players: "Players",
suspects: "Suspects",
items: "Items",
locations: "Locations",
winner: "Winner",
started: "Game in progress",
finished: "Game finished",
lobby: "Lobby",
startGame: "Start game",
waitingForHost: "Wait for the host to start the game.",
chipsCreated: "player chips created",
atLeastTwoPlayers: "At least 2 players are required.",
chipsOnStart: "Player chips will be created when the game starts.",
noPlayersYet: "No players have joined yet.",
close: "Close",
cancel: "Cancel",
save: "Save",
create: "Create",
edit: "Edit",
delete: "Delete",
disable: "Disable",
active: "active",
disabled: "disabled",
loading: "Loading …",
email: "Email",
password: "Password",
confirmPassword: "Confirm password",
role: "Role",
displayName: "Display name",
name: "Name",
createUser: "Create user",
editUser: "Edit user",
newUser: "Create new user",
existingUsers: "Existing users",
accountActive: "Account is active",
optional: "optional",
inviteHint: "Leave blank = send invitation",
inviteNotice: "Without a password, a one-time invitation is sent via SMTP.",
adminDashboardSubtitle: "Manage users, roles and credentials",
adminSettingsSubtitle: "Configure SMTP and invitations",
smtpServer: "SMTP server",
port: "Port",
smtpUsername: "SMTP username",
senderEmail: "Sender email",
senderName: "Sender name",
appUrl: "App URL for invitation links",
useTls: "Use STARTTLS (recommended)",
testEmail: "Test email",
sendTest: "Send test",
saveSettings: "Save settings",
setupAdmin: "Set up admin",
login: "Log in",
enterEmail: "Enter email",
passwordMin: "At least 8 characters",
passwordAgain: "Repeat password",
acceptInvite: "Accept invitation",
invite: "Your invitation",
setPasswordTitle: "Set password",
design: "Change design",
joinGame: "Join game",
newGameTitle: "New game",
gameCode: "Game code",
copy: "Copy",
copied: "Copied",
createGame: "Create game",
join: "Join",
chooseAction: "What would you like to do?",
helpTitle: "Help & game guide",
notes: "Notes",
playerChips: "Player chips",
whoHasCard: "Who has the card?",
selectChip: "Select chip",
readOnly: "Game finished note sheet is read-only",
cycleStatus: "Click: Green → Red → Grey → Empty",
cycleNote: "— → i → m → s.(chip) → —",
gameStarted: "Game started",
investigationsBegin: "The investigation begins",
bestDetective: "May the best detective win.",
},
};
export function LanguageProvider({ children }) {
const [language, setLanguage] = useState(() => {
try { return localStorage.getItem(STORAGE_KEY) === "en" ? "en" : "de"; } catch { return "de"; }
});
useEffect(() => {
try { localStorage.setItem(STORAGE_KEY, language); } catch {}
document.documentElement.lang = language;
}, [language]);
const value = useMemo(() => ({
language,
setLanguage,
toggleLanguage: () => setLanguage((current) => current === "de" ? "en" : "de"),
t: (key, values = {}) => {
let value = translations[language][key] || key;
Object.entries(values).forEach(([name, replacement]) => { value = value.replaceAll(`{${name}}`, replacement); });
return value;
},
}), [language]);
return <LanguageContext.Provider value={value}>{children}</LanguageContext.Provider>;
}
export function useLanguage() {
return useContext(LanguageContext) || { language: "de", toggleLanguage: () => {}, t: (key) => key };
}