export type Language = 'en' | 'zh';

export const translations = {
  en: {
    // Header
    appTitle: 'NOFX',
    subtitle: 'Multi-AI Model Trading Platform',
    aiTraders: 'AI Traders',
    details: 'Details',
    tradingPanel: 'Trading Panel',
    competition: 'Competition',
    running: 'RUNNING',
    stopped: 'STOPPED',
    adminMode: 'Admin Mode',
    logout: 'Logout',
    switchTrader: 'Switch Trader:',
    view: 'View',

    // Footer
    footerTitle: 'NOFX - AI Trading System',
    footerWarning: '⚠️ Trading involves risk. Use at your own discretion.',

    // Stats Cards
    totalEquity: 'Total Equity',
    availableBalance: 'Available Balance',
    totalPnL: 'Total P&L',
    positions: 'Positions',
    margin: 'Margin',
    free: 'Free',

    // Positions Table
    currentPositions: 'Current Positions',
    active: 'Active',
    symbol: 'Symbol',
    side: 'Side',
    entryPrice: 'Entry Price',
    markPrice: 'Mark Price',
    quantity: 'Quantity',
    positionValue: 'Position Value',
    leverage: 'Leverage',
    unrealizedPnL: 'Unrealized P&L',
    liqPrice: 'Liq. Price',
    long: 'LONG',
    short: 'SHORT',
    noPositions: 'No Positions',
    noActivePositions: 'No active trading positions',

    // Recent Decisions
    recentDecisions: 'Recent Decisions',
    lastCycles: 'Last {count} trading cycles',
    noDecisionsYet: 'No Decisions Yet',
    aiDecisionsWillAppear: 'AI trading decisions will appear here',
    cycle: 'Cycle',
    success: 'Success',
    failed: 'Failed',
    inputPrompt: 'Input Prompt',
    aiThinking: 'AI Chain of Thought',
    collapse: 'Collapse',
    expand: 'Expand',

    // Equity Chart
    accountEquityCurve: 'Account Equity Curve',
    noHistoricalData: 'No Historical Data',
    dataWillAppear: 'Equity curve will appear after running a few cycles',
    initialBalance: 'Initial Balance',
    currentEquity: 'Current Equity',
    historicalCycles: 'Historical Cycles',
    displayRange: 'Display Range',
    recent: 'Recent',
    allData: 'All Data',
    cycles: 'Cycles',
    
    // Comparison Chart
    comparisonMode: 'Comparison Mode',
    dataPoints: 'Data Points',
    currentGap: 'Current Gap',
    count: '{count} pts',

    // Competition Page
    aiCompetition: 'AI Competition',
    traders: 'traders',
    liveBattle: 'Live Battle',
    realTimeBattle: 'Real-time Battle',
    leader: 'Leader',
    leaderboard: 'Leaderboard',
    live: 'LIVE',
    realTime: 'LIVE',
    performanceComparison: 'Performance Comparison',
    realTimePnL: 'Real-time PnL %',
    realTimePnLPercent: 'Real-time PnL %',
    headToHead: 'Head-to-Head Battle',
    leadingBy: 'Leading by {gap}%',
    behindBy: 'Behind by {gap}%',
    equity: 'Equity',
    pnl: 'P&L',
    pos: 'Pos',

    // AI Learning
    aiLearning: 'AI Learning & Reflection',
    tradesAnalyzed: '{count} trades analyzed · Real-time evolution',
    latestReflection: 'Latest Reflection',
    fullCoT: 'Full Chain of Thought',
    totalTrades: 'Total Trades',
    winRate: 'Win Rate',
    avgWin: 'Avg Win',
    avgLoss: 'Avg Loss',
    profitFactor: 'Profit Factor',
    avgWinDivLoss: 'Avg Win ÷ Avg Loss',
    excellent: '🔥 Excellent - Strong profitability',
    good: '✓ Good - Stable profits',
    fair: '⚠️ Fair - Needs optimization',
    poor: '❌ Poor - Losses exceed gains',
    bestPerformer: 'Best Performer',
    worstPerformer: 'Worst Performer',
    symbolPerformance: 'Symbol Performance',
    tradeHistory: 'Trade History',
    completedTrades: 'Recent {count} completed trades',
    noCompletedTrades: 'No completed trades yet',
    completedTradesWillAppear: 'Completed trades will appear here',
    entry: 'Entry',
    exit: 'Exit',
    stopLoss: 'Stop Loss',
    latest: 'Latest',

    // AI Learning Description
    howAILearns: 'How AI Learns & Evolves',
    aiLearningPoint1: 'Analyzes last 20 trading cycles before each decision',
    aiLearningPoint2: 'Identifies best & worst performing symbols',
    aiLearningPoint3: 'Optimizes position sizing based on win rate',
    aiLearningPoint4: 'Avoids repeating past mistakes',

    // AI Traders Management
    manageAITraders: 'Manage your AI trading bots',
    aiModels: 'AI Models',
    exchanges: 'Exchanges',
    createTrader: 'Create Trader',
    modelConfiguration: 'Model Configuration',
    configured: 'Configured',
    notConfigured: 'Not Configured',
    currentTraders: 'Current Traders',
    noTraders: 'No AI Traders',
    createFirstTrader: 'Create your first AI trader to get started',
    configureModelsFirst: 'Please configure AI models first',
    configureExchangesFirst: 'Please configure exchanges first',
    configureModelsAndExchangesFirst: 'Please configure AI models and exchanges first',
    modelNotConfigured: 'Selected model is not configured',
    exchangeNotConfigured: 'Selected exchange is not configured',
    confirmDeleteTrader: 'Are you sure you want to delete this trader?',
    status: 'Status',
    start: 'Start',
    stop: 'Stop',
    createNewTrader: 'Create New AI Trader',
    selectAIModel: 'Select AI Model',
    selectExchange: 'Select Exchange',
    traderName: 'Trader Name',
    enterTraderName: 'Enter trader name',
    cancel: 'Cancel',
    create: 'Create',
    configureAIModels: 'Configure AI Models',
    configureExchanges: 'Configure Exchanges',
    useTestnet: 'Use Testnet',
    enabled: 'Enabled',
    save: 'Save',
    
    // AI Model Configuration
    officialAPI: 'Official API',
    customAPI: 'Custom API',
    apiKey: 'API Key',
    customAPIURL: 'Custom API URL',
    enterAPIKey: 'Enter API Key',
    enterCustomAPIURL: 'Enter custom API endpoint URL',
    useOfficialAPI: 'Use official API service',
    useCustomAPI: 'Use custom API endpoint',

    // Exchange Configuration
    secretKey: 'Secret Key',
    privateKey: 'Private Key',
    walletAddress: 'Wallet Address',
    user: 'User',
    signer: 'Signer',
    passphrase: 'Passphrase',
    enterPrivateKey: 'Enter Private Key',
    enterWalletAddress: 'Enter Wallet Address',
    enterUser: 'Enter User',
    enterSigner: 'Enter Signer Address',
    enterSecretKey: 'Enter Secret Key',
    enterPassphrase: 'Enter Passphrase (Required for OKX)',
    hyperliquidPrivateKeyDesc: 'Hyperliquid uses private key for trading authentication',
    hyperliquidWalletAddressDesc: 'Wallet address corresponding to the private key',
    testnetDescription: 'Enable to connect to exchange test environment for simulated trading',
    securityWarning: 'Security Warning',
    saveConfiguration: 'Save Configuration',

    // Trader Configuration
    positionMode: 'Position Mode',
    crossMarginMode: 'Cross Margin',
    isolatedMarginMode: 'Isolated Margin',
    crossMarginDescription: 'Cross margin: All positions share account balance as collateral',
    isolatedMarginDescription: 'Isolated margin: Each position manages collateral independently, risk isolation',
    leverageConfiguration: 'Leverage Configuration',
    btcEthLeverage: 'BTC/ETH Leverage',
    altcoinLeverage: 'Altcoin Leverage',
    leverageRecommendation: 'Recommended: BTC/ETH 5-10x, Altcoins 3-5x for risk control',
    tradingSymbols: 'Trading Symbols',
    tradingSymbolsPlaceholder: 'Enter symbols, comma separated (e.g., BTCUSDT,ETHUSDT,SOLUSDT)',
    selectSymbols: 'Select Symbols',
    selectTradingSymbols: 'Select Trading Symbols',
    selectedSymbolsCount: 'Selected {count} symbols',
    clearSelection: 'Clear All',
    confirmSelection: 'Confirm',
    tradingSymbolsDescription: 'Empty = use default symbols. Must end with USDT (e.g., BTCUSDT, ETHUSDT)',
    btcEthLeverageValidation: 'BTC/ETH leverage must be between 1-50x',
    altcoinLeverageValidation: 'Altcoin leverage must be between 1-20x',
    invalidSymbolFormat: 'Invalid symbol format: {symbol}, must end with USDT',

    // Loading & Error
    loading: 'Loading...',
    loadingError: '⚠️ Failed to load AI learning data',
    noCompleteData: 'No complete trading data (needs to complete open → close cycle)',

    // AI Traders Page - Additional
    inUse: 'In Use',
    noModelsConfigured: 'No configured AI models',
    noExchangesConfigured: 'No configured exchanges',
    signalSource: 'Signal Source',
    signalSourceConfig: 'Signal Source Configuration',
    coinPoolDescription: 'API endpoint for coin pool data, leave blank to disable this signal source',
    oiTopDescription: 'API endpoint for open interest rankings, leave blank to disable this signal source',
    information: 'Information',
    signalSourceInfo1: '• Signal source configuration is per-user, each user can set their own URLs',
    signalSourceInfo2: '• When creating traders, you can choose whether to use these signal sources',
    signalSourceInfo3: '• Configured URLs will be used to fetch market data and trading signals',
    editAIModel: 'Edit AI Model',
    addAIModel: 'Add AI Model',
    confirmDeleteModel: 'Are you sure you want to delete this AI model configuration?',
    selectModel: 'Select AI Model',
    pleaseSelectModel: 'Please select a model',
    customBaseURL: 'Base URL (Optional)',
    customBaseURLPlaceholder: 'Custom API base URL, e.g.: https://api.openai.com/v1',
    leaveBlankForDefault: 'Leave blank to use default API address',
    modelConfigInfo1: '• API Key will be encrypted and stored, please ensure it is valid',
    modelConfigInfo2: '• Base URL is used for custom API server address',
    modelConfigInfo3: '• After deleting configuration, traders using this model will not work properly',
    saveConfig: 'Save Configuration',
    editExchange: 'Edit Exchange',
    addExchange: 'Add Exchange',
    confirmDeleteExchange: 'Are you sure you want to delete this exchange configuration?',
    pleaseSelectExchange: 'Please select an exchange',
    exchangeConfigWarning1: '• API keys will be encrypted, recommend using read-only or futures trading permissions',
    exchangeConfigWarning2: '• Do not grant withdrawal permissions to ensure fund security',
    exchangeConfigWarning3: '• After deleting configuration, related traders will not be able to trade',
    edit: 'Edit',

    // Error Messages
    createTraderFailed: 'Failed to create trader',
    getTraderConfigFailed: 'Failed to get trader configuration',
    modelConfigNotExist: 'Model configuration does not exist or is not enabled',
    exchangeConfigNotExist: 'Exchange configuration does not exist or is not enabled',
    updateTraderFailed: 'Failed to update trader',
    deleteTraderFailed: 'Failed to delete trader',
    operationFailed: 'Operation failed',
    deleteConfigFailed: 'Failed to delete configuration',
    modelNotExist: 'Model does not exist',
    saveConfigFailed: 'Failed to save configuration',
    exchangeNotExist: 'Exchange does not exist',
    deleteExchangeConfigFailed: 'Failed to delete exchange configuration',
    saveSignalSourceFailed: 'Failed to save signal source configuration',
    
    // Login & Register
    login: 'Sign In',
    register: 'Sign Up',
    email: 'Email',
    password: 'Password',
    confirmPassword: 'Confirm Password',
    emailPlaceholder: 'your@email.com',
    passwordPlaceholder: 'Enter your password',
    confirmPasswordPlaceholder: 'Re-enter your password',
    otpPlaceholder: '000000',
    loginTitle: 'Sign in to your account',
    registerTitle: 'Create a new account',
    loginButton: 'Sign In',
    registerButton: 'Sign Up',
    back: 'Back',
    noAccount: "Don't have an account?",
    hasAccount: 'Already have an account?',
    registerNow: 'Sign up now',
    loginNow: 'Sign in now',
    forgotPassword: 'Forgot password?',
    rememberMe: 'Remember me',
    otpCode: 'OTP Code',
    scanQRCode: 'Scan QR Code',
    enterOTPCode: 'Enter 6-digit OTP code',
    verifyOTP: 'Verify OTP',
    setupTwoFactor: 'Set up two-factor authentication',
    setupTwoFactorDesc: 'Follow the steps below to secure your account with Google Authenticator',
    scanQRCodeInstructions: 'Scan this QR code with Google Authenticator or Authy',
    otpSecret: 'Or enter this secret manually:',
    qrCodeHint: 'QR code (if scanning fails, use the secret below):',
    step1Title: 'Step 1: Install Google Authenticator',
    step1Desc: 'Download and install Google Authenticator from your app store',
    step2Title: 'Step 2: Add account',
    step2Desc: 'Tap "+", then choose "Scan QR code" or "Enter a setup key"',
    step3Title: 'Step 3: Verify setup',
    step3Desc: 'After setup, continue to enter the 6-digit code',
    setupCompleteContinue: 'I have completed setup, continue',
    copy: 'Copy',
    completeRegistration: 'Complete Registration',
    completeRegistrationSubtitle: 'to complete registration',
    loginSuccess: 'Login successful',
    registrationSuccess: 'Registration successful',
    loginFailed: 'Login failed',
    registrationFailed: 'Registration failed',
    verificationFailed: 'OTP verification failed',
    invalidCredentials: 'Invalid email or password',
    passwordMismatch: 'Passwords do not match',
    emailRequired: 'Email is required',
    passwordRequired: 'Password is required',
    invalidEmail: 'Invalid email format',
    passwordTooShort: 'Password must be at least 6 characters',
  },
  zh: {
    // Header
    appTitle: 'NOFX',
    subtitle: '多AI模型交易平台',
    aiTraders: 'AI交易员',
    details: '详情',
    tradingPanel: '交易面板',
    competition: '竞赛',
    running: '运行中',
    stopped: '已停止',
    adminMode: '管理员模式',
    logout: '退出',
    switchTrader: '切换交易员:',
    view: '查看',

    // Footer
    footerTitle: 'NOFX - AI交易系统',
    footerWarning: '⚠️ 交易有风险，请谨慎使用。',

    // Stats Cards
    totalEquity: '总净值',
    availableBalance: '可用余额',
    totalPnL: '总盈亏',
    positions: '持仓',
    margin: '保证金',
    free: '空闲',

    // Positions Table
    currentPositions: '当前持仓',
    active: '活跃',
    symbol: '币种',
    side: '方向',
    entryPrice: '入场价',
    markPrice: '标记价',
    quantity: '数量',
    positionValue: '仓位价值',
    leverage: '杠杆',
    unrealizedPnL: '未实现盈亏',
    liqPrice: '强平价',
    long: '多头',
    short: '空头',
    noPositions: '无持仓',
    noActivePositions: '当前没有活跃的交易持仓',

    // Recent Decisions
    recentDecisions: '最近决策',
    lastCycles: '最近 {count} 个交易周期',
    noDecisionsYet: '暂无决策',
    aiDecisionsWillAppear: 'AI交易决策将显示在这里',
    cycle: '周期',
    success: '成功',
    failed: '失败',
    inputPrompt: '输入提示',
    aiThinking: '💭 AI思维链分析',
    collapse: '▼ 收起',
    expand: '▶ 展开',

    // Equity Chart
    accountEquityCurve: '账户净值曲线',
    noHistoricalData: '暂无历史数据',
    dataWillAppear: '运行几个周期后将显示收益率曲线',
    initialBalance: '初始余额',
    currentEquity: '当前净值',
    historicalCycles: '历史周期',
    displayRange: '显示范围',
    recent: '最近',
    allData: '全部数据',
    cycles: '个',
    
    // Comparison Chart
    comparisonMode: '对比模式',
    dataPoints: '数据点数',
    currentGap: '当前差距',
    count: '{count} 个',

    // Competition Page
    aiCompetition: 'AI竞赛',
    traders: '交易员',
    liveBattle: '实时对战',
    realTimeBattle: '实时对战',
    leader: '领先者',
    leaderboard: '排行榜',
    live: '实时',
    realTime: '实时',
    performanceComparison: '表现对比',
    realTimePnL: '实时收益率',
    realTimePnLPercent: '实时收益率',
    headToHead: '正面对决',
    leadingBy: '领先 {gap}%',
    behindBy: '落后 {gap}%',
    equity: '权益',
    pnl: '收益',
    pos: '持仓',

    // AI Learning
    aiLearning: 'AI学习与反思',
    tradesAnalyzed: '已分析 {count} 笔交易 · 实时演化',
    latestReflection: '最新反思',
    fullCoT: '📋 完整思维链',
    totalTrades: '总交易数',
    winRate: '胜率',
    avgWin: '平均盈利',
    avgLoss: '平均亏损',
    profitFactor: '盈亏比',
    avgWinDivLoss: '平均盈利 ÷ 平均亏损',
    excellent: '🔥 优秀 - 盈利能力强',
    good: '✓ 良好 - 稳定盈利',
    fair: '⚠️ 一般 - 需要优化',
    poor: '❌ 较差 - 亏损超过盈利',
    bestPerformer: '最佳表现',
    worstPerformer: '最差表现',
    symbolPerformance: '📊 币种表现',
    tradeHistory: '历史成交',
    completedTrades: '最近 {count} 笔已完成交易',
    noCompletedTrades: '暂无完成的交易',
    completedTradesWillAppear: '已完成的交易将显示在这里',
    entry: '入场',
    exit: '出场',
    stopLoss: '止损',
    latest: '最新',

    // AI Learning Description
    howAILearns: '💡 AI如何学习和进化',
    aiLearningPoint1: '每次决策前分析最近20个交易周期',
    aiLearningPoint2: '识别表现最好和最差的币种',
    aiLearningPoint3: '根据胜率优化仓位大小',
    aiLearningPoint4: '避免重复过去的错误',

    // AI Traders Management
    manageAITraders: '管理您的AI交易机器人',
    aiModels: 'AI模型',
    exchanges: '交易所',
    createTrader: '创建交易员',
    modelConfiguration: '模型配置',
    configured: '已配置',
    notConfigured: '未配置',
    currentTraders: '当前交易员',
    noTraders: '暂无AI交易员',
    createFirstTrader: '创建您的第一个AI交易员开始使用',
    configureModelsFirst: '请先配置AI模型',
    configureExchangesFirst: '请先配置交易所',
    configureModelsAndExchangesFirst: '请先配置AI模型和交易所',
    modelNotConfigured: '所选模型未配置',
    exchangeNotConfigured: '所选交易所未配置',
    confirmDeleteTrader: '确定要删除这个交易员吗？',
    status: '状态',
    start: '启动',
    stop: '停止',
    createNewTrader: '创建新的AI交易员',
    selectAIModel: '选择AI模型',
    selectExchange: '选择交易所',
    traderName: '交易员名称',
    enterTraderName: '输入交易员名称',
    cancel: '取消',
    create: '创建',
    configureAIModels: '配置AI模型',
    configureExchanges: '配置交易所',
    useTestnet: '使用测试网',
    enabled: '启用',
    save: '保存',
    
    // AI Model Configuration
    officialAPI: '官方API',
    customAPI: '自定义API',
    apiKey: 'API密钥',
    customAPIURL: '自定义API地址',
    enterAPIKey: '请输入API密钥',
    enterCustomAPIURL: '请输入自定义API端点地址',
    useOfficialAPI: '使用官方API服务',
    useCustomAPI: '使用自定义API端点',

    // Exchange Configuration
    secretKey: '密钥',
    privateKey: '私钥',
    walletAddress: '钱包地址',
    user: '用户名',
    signer: '签名者',
    passphrase: '口令',
    enterSecretKey: '输入密钥',
    enterPrivateKey: '输入私钥',
    enterWalletAddress: '输入钱包地址',
    enterUser: '输入用户名',
    enterSigner: '输入签名者地址',
    enterPassphrase: '输入Passphrase (OKX必填)',
    hyperliquidPrivateKeyDesc: 'Hyperliquid 使用私钥进行交易认证',
    hyperliquidWalletAddressDesc: '与私钥对应的钱包地址',
    testnetDescription: '启用后将连接到交易所测试环境，用于模拟交易',
    securityWarning: '安全提示',
    saveConfiguration: '保存配置',

    // Trader Configuration
    positionMode: '仓位模式',
    crossMarginMode: '全仓模式',
    isolatedMarginMode: '逐仓模式',
    crossMarginDescription: '全仓模式：所有仓位共享账户余额作为保证金',
    isolatedMarginDescription: '逐仓模式：每个仓位独立管理保证金，风险隔离',
    leverageConfiguration: '杠杆配置',
    btcEthLeverage: 'BTC/ETH杠杆',
    altcoinLeverage: '山寨币杠杆',
    leverageRecommendation: '推荐：BTC/ETH 5-10倍，山寨币 3-5倍，控制风险',
    tradingSymbols: '交易币种',
    tradingSymbolsPlaceholder: '输入币种，逗号分隔（如：BTCUSDT,ETHUSDT,SOLUSDT）',
    selectSymbols: '选择币种',
    selectTradingSymbols: '选择交易币种',
    selectedSymbolsCount: '已选择 {count} 个币种',
    clearSelection: '清空选择',
    confirmSelection: '确认选择',
    tradingSymbolsDescription: '留空 = 使用默认币种。必须以USDT结尾（如：BTCUSDT, ETHUSDT）',
    btcEthLeverageValidation: 'BTC/ETH杠杆必须在1-50倍之间',
    altcoinLeverageValidation: '山寨币杠杆必须在1-20倍之间',
    invalidSymbolFormat: '无效的币种格式：{symbol}，必须以USDT结尾',

    // Loading & Error
    loading: '加载中...',
    loadingError: '⚠️ 加载AI学习数据失败',
    noCompleteData: '暂无完整交易数据（需要完成开仓→平仓的完整周期）',

    // AI Traders Page - Additional
    inUse: '正在使用',
    noModelsConfigured: '暂无已配置的AI模型',
    noExchangesConfigured: '暂无已配置的交易所',
    signalSource: '信号源',
    signalSourceConfig: '信号源配置',
    coinPoolDescription: '用于获取币种池数据的API地址，留空则不使用此信号源',
    oiTopDescription: '用于获取持仓量排行数据的API地址，留空则不使用此信号源',
    information: '说明',
    signalSourceInfo1: '• 信号源配置为用户级别，每个用户可以设置自己的信号源URL',
    signalSourceInfo2: '• 在创建交易员时可以选择是否使用这些信号源',
    signalSourceInfo3: '• 配置的URL将用于获取市场数据和交易信号',
    editAIModel: '编辑AI模型',
    addAIModel: '添加AI模型',
    confirmDeleteModel: '确定要删除此AI模型配置吗？',
    selectModel: '选择AI模型',
    pleaseSelectModel: '请选择模型',
    customBaseURL: 'Base URL (可选)',
    customBaseURLPlaceholder: '自定义API基础URL，如: https://api.openai.com/v1',
    leaveBlankForDefault: '留空则使用默认API地址',
    modelConfigInfo1: '• API Key将被加密存储，请确保密钥有效',
    modelConfigInfo2: '• Base URL用于自定义API服务器地址',
    modelConfigInfo3: '• 删除配置后，使用此模型的交易员将无法正常工作',
    saveConfig: '保存配置',
    editExchange: '编辑交易所',
    addExchange: '添加交易所',
    confirmDeleteExchange: '确定要删除此交易所配置吗？',
    pleaseSelectExchange: '请选择交易所',
    exchangeConfigWarning1: '• API密钥将被加密存储，建议使用只读或期货交易权限',
    exchangeConfigWarning2: '• 不要授予提现权限，确保资金安全',
    exchangeConfigWarning3: '• 删除配置后，相关交易员将无法正常交易',
    edit: '编辑',

    // Error Messages
    createTraderFailed: '创建交易员失败',
    getTraderConfigFailed: '获取交易员配置失败',
    modelConfigNotExist: 'AI模型配置不存在或未启用',
    exchangeConfigNotExist: '交易所配置不存在或未启用',
    updateTraderFailed: '更新交易员失败',
    deleteTraderFailed: '删除交易员失败',
    operationFailed: '操作失败',
    deleteConfigFailed: '删除配置失败',
    modelNotExist: '模型不存在',
    saveConfigFailed: '保存配置失败',
    exchangeNotExist: '交易所不存在',
    deleteExchangeConfigFailed: '删除交易所配置失败',
    saveSignalSourceFailed: '保存信号源配置失败',
    
    // Login & Register
    login: '登录',
    register: '注册',
    email: '邮箱',
    password: '密码',
    confirmPassword: '确认密码',
    emailPlaceholder: '请输入邮箱地址',
    passwordPlaceholder: '请输入密码（至少6位）',
    confirmPasswordPlaceholder: '请再次输入密码',
    otpPlaceholder: '000000',
    loginTitle: '登录到您的账户',
    registerTitle: '创建新账户',
    loginButton: '登录',
    registerButton: '注册',
    back: '返回',
    noAccount: '还没有账户？',
    hasAccount: '已有账户？',
    registerNow: '立即注册',
    loginNow: '立即登录',
    forgotPassword: '忘记密码？',
    rememberMe: '记住我',
    otpCode: 'OTP验证码',
    scanQRCode: '扫描二维码',
    enterOTPCode: '输入6位OTP验证码',
    verifyOTP: '验证OTP',
    setupTwoFactor: '设置双因素认证',
    setupTwoFactorDesc: '请按以下步骤设置Google验证器以保护您的账户安全',
    scanQRCodeInstructions: '使用Google Authenticator或Authy扫描此二维码',
    otpSecret: '或手动输入此密钥：',
    qrCodeHint: '二维码（如果无法扫描，请使用下方密钥）：',
    step1Title: '步骤1：下载Google Authenticator',
    step1Desc: '在手机应用商店下载并安装Google Authenticator应用',
    step2Title: '步骤2：添加账户',
    step2Desc: '在应用中点击“+”，选择“扫描二维码”或“手动输入密钥”',
    step3Title: '步骤3：验证设置',
    step3Desc: '设置完成后，点击下方按钮输入6位验证码',
    setupCompleteContinue: '我已完成设置，继续',
    copy: '复制',
    completeRegistration: '完成注册',
    completeRegistrationSubtitle: '以完成注册',
    loginSuccess: '登录成功',
    registrationSuccess: '注册成功',
    loginFailed: '登录失败',
    registrationFailed: '注册失败',
    verificationFailed: 'OTP验证失败',
    invalidCredentials: '邮箱或密码错误',
    passwordMismatch: '两次输入的密码不一致',
    emailRequired: '请输入邮箱',
    passwordRequired: '请输入密码',
    invalidEmail: '邮箱格式不正确',
    passwordTooShort: '密码至少需要6个字符',
  }
};

export function t(key: string, lang: Language, params?: Record<string, string | number>): string {
  let text = translations[lang][key as keyof typeof translations['en']] || key;

  // Replace parameters like {count}, {gap}, etc.
  if (params) {
    Object.entries(params).forEach(([param, value]) => {
      text = text.replace(`{${param}}`, String(value));
    });
  }

  return text;
}