import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

class AppLocalizations {
  final Locale locale;
  late Map<String, dynamic> _localizedStrings;

  AppLocalizations(this.locale);

  static AppLocalizations of(BuildContext context) {
    return Localizations.of<AppLocalizations>(context, AppLocalizations)!;
  }

  // JSON 파일에서 번역 데이터 로드
  Future<void> load() async {
    String jsonString =
        await rootBundle.loadString('assets/data/text.json');
    Map<String, dynamic> jsonMap = json.decode(jsonString);
    _localizedStrings = jsonMap[locale.languageCode];
  }

  String get appTitle => _localizedStrings['appTitle'] ?? 'SubManager';
  String get appSubtitle => _localizedStrings['appSubtitle'] ?? 'Manage subscriptions easily';
  String get subscriptionManagement =>
      _localizedStrings['subscriptionManagement'] ?? 'Subscription Management';
  String get addSubscription =>
      _localizedStrings['addSubscription'] ?? 'Add Subscription';
  String get subscriptionName =>
      _localizedStrings['subscriptionName'] ?? 'Service Name';
  String get monthlyCost =>
      _localizedStrings['monthlyCost'] ?? 'Monthly Cost';
  String get billingCycle =>
      _localizedStrings['billingCycle'] ?? 'Billing Cycle';
  String get nextBillingDate =>
      _localizedStrings['nextBillingDate'] ?? 'Next Billing Date';
  String get save => _localizedStrings['save'] ?? 'Save';
  String get cancel => _localizedStrings['cancel'] ?? 'Cancel';
  String get delete => _localizedStrings['delete'] ?? 'Delete';
  String get edit => _localizedStrings['edit'] ?? 'Edit';
  String get totalSubscriptions =>
      _localizedStrings['totalSubscriptions'] ?? 'Total Subscriptions';
  String get totalMonthlyExpense =>
      _localizedStrings['totalMonthlyExpense'] ?? 'Total Monthly Expense';
  String get noSubscriptions =>
      _localizedStrings['noSubscriptions'] ?? 'No subscriptions registered';
  String get addSubscriptionNow =>
      _localizedStrings['addSubscriptionNow'] ?? 'Add Subscription Now';
  String get paymentReminder =>
      _localizedStrings['paymentReminder'] ?? 'Payment Reminder';
  String get expirationReminder =>
      _localizedStrings['expirationReminder'] ?? 'Expiration Reminder';
  String get daysLeft => _localizedStrings['daysLeft'] ?? 'days left';
  String get categoryManagement =>
      _localizedStrings['categoryManagement'] ?? 'Category Management';
  String get categoryName =>
      _localizedStrings['categoryName'] ?? 'Category Name';
  String get selectColor =>
      _localizedStrings['selectColor'] ?? 'Select Color';
  String get selectIcon =>
      _localizedStrings['selectIcon'] ?? 'Select Icon';
  String get addCategory =>
      _localizedStrings['addCategory'] ?? 'Add Category';
  String get settings => _localizedStrings['settings'] ?? 'Settings';
  String get darkMode => _localizedStrings['darkMode'] ?? 'Dark Mode';
  String get language => _localizedStrings['language'] ?? 'Language';
  String get notifications =>
      _localizedStrings['notifications'] ?? 'Notifications';
  String get appLock => _localizedStrings['appLock'] ?? 'App Lock';
  // 알림 설정
  String get notificationPermission =>
      _localizedStrings['notificationPermission'] ?? 'Notification Permission';
  String get notificationPermissionDesc =>
      _localizedStrings['notificationPermissionDesc'] ?? 'Permission is required to receive notifications';
  String get requestPermission =>
      _localizedStrings['requestPermission'] ?? 'Request Permission';
  String get paymentNotification =>
      _localizedStrings['paymentNotification'] ?? 'Payment Due Notification';
  String get paymentNotificationDesc =>
      _localizedStrings['paymentNotificationDesc'] ?? 'Receive notification on payment due date';
  String get notificationTiming =>
      _localizedStrings['notificationTiming'] ?? 'Notification Timing';
  String get notificationTime =>
      _localizedStrings['notificationTime'] ?? 'Notification Time';
  String get dailyReminder =>
      _localizedStrings['dailyReminder'] ?? 'Daily Reminder';
  String get dailyReminderEnabled =>
      _localizedStrings['dailyReminderEnabled'] ?? 'Receive daily notifications until payment date';
  String get dailyReminderDisabled =>
      _localizedStrings['dailyReminderDisabled'] ?? 'Receive notification @ day(s) before payment';
  String get notificationPermissionDenied =>
      _localizedStrings['notificationPermissionDenied'] ?? 'Notification permission denied';
  // 앱 정보
  String get appInfo => _localizedStrings['appInfo'] ?? 'App Info';
  String get version => _localizedStrings['version'] ?? 'Version';
  String get appDescription =>
      _localizedStrings['appDescription'] ?? 'Subscription Management App';
  String get developer => _localizedStrings['developer'] ?? 'Developer';
  String get cannotOpenStore =>
      _localizedStrings['cannotOpenStore'] ?? 'Cannot open store';
  // 테마
  String get lightTheme => _localizedStrings['lightTheme'] ?? 'Light';
  String get darkTheme => _localizedStrings['darkTheme'] ?? 'Dark';
  String get oledTheme => _localizedStrings['oledTheme'] ?? 'OLED Black';
  String get systemTheme => _localizedStrings['systemTheme'] ?? 'System Default';
  // 기타 메시지
  String get subscriptionAdded =>
      _localizedStrings['subscriptionAdded'] ?? 'Subscription added';
  // 언어 설정
  String get korean => _localizedStrings['korean'] ?? '한국어';
  String get english => _localizedStrings['english'] ?? 'English';
  String get japanese => _localizedStrings['japanese'] ?? '日本語';
  String get chinese => _localizedStrings['chinese'] ?? '中文';
  // 날짜
  String get oneDayBefore => _localizedStrings['oneDayBefore'] ?? '1 day before';
  String get twoDaysBefore => _localizedStrings['twoDaysBefore'] ?? '2 days before';
  String get threeDaysBefore => _localizedStrings['threeDaysBefore'] ?? '3 days before';
  // 추가 메시지
  String get requiredFieldsError => _localizedStrings['requiredFieldsError'] ?? 'Please fill in all required fields';
  String get subscriptionUpdated => _localizedStrings['subscriptionUpdated'] ?? 'Subscription information has been updated';
  String get officialCancelPageNotFound => _localizedStrings['officialCancelPageNotFound'] ?? 'Official cancellation page not found. Redirecting to Google search.';
  String get cannotOpenWebsite => _localizedStrings['cannotOpenWebsite'] ?? 'Cannot open website';
  String get noWebsiteInfo => _localizedStrings['noWebsiteInfo'] ?? 'No website information available. Please cancel through the website.';
  String get editMode => _localizedStrings['editMode'] ?? 'Edit Mode';
  String get changesAppliedAfterSave => _localizedStrings['changesAppliedAfterSave'] ?? 'Changes will be applied after saving';
  String get saveChanges => _localizedStrings['saveChanges'] ?? 'Save Changes';
  String get monthlyExpense => _localizedStrings['monthlyExpense'] ?? 'Monthly Expense';
  String get websiteUrl => _localizedStrings['websiteUrl'] ?? 'Website URL';
  String get websiteUrlOptional => _localizedStrings['websiteUrlOptional'] ?? 'Website URL (Optional)';
  String get eventPrice => _localizedStrings['eventPrice'] ?? 'Event Price';
  String get eventPriceHint => _localizedStrings['eventPriceHint'] ?? 'Enter discounted price';
  String get eventPriceRequired => _localizedStrings['eventPriceRequired'] ?? 'Please enter event price';
  String get invalidPrice => _localizedStrings['invalidPrice'] ?? 'Please enter a valid price';
  String get smsScanLabel => _localizedStrings['smsScanLabel'] ?? 'SMS';
  String get home => _localizedStrings['home'] ?? 'Home';
  String get analysis => _localizedStrings['analysis'] ?? 'Analysis';
  String get back => _localizedStrings['back'] ?? 'Back';
  String get exitApp => _localizedStrings['exitApp'] ?? 'Exit App';
  String get exitAppConfirm => _localizedStrings['exitAppConfirm'] ?? 'Are you sure you want to exit SubManager?';
  String get exit => _localizedStrings['exit'] ?? 'Exit';
  String get pageNotFound => _localizedStrings['pageNotFound'] ?? 'Page not found';
  String get serviceNameExample => _localizedStrings['serviceNameExample'] ?? 'e.g. Netflix, Spotify';
  String get urlExample => _localizedStrings['urlExample'] ?? 'https://example.com';
  String get appLockDesc => _localizedStrings['appLockDesc'] ?? 'App lock with biometric authentication';
  String get unlockWithBiometric => _localizedStrings['unlockWithBiometric'] ?? 'Unlock with biometric authentication';
  String get authenticationFailed => _localizedStrings['authenticationFailed'] ?? 'Authentication failed. Please try again.';
  String get smsPermissionRequired => _localizedStrings['smsPermissionRequired'] ?? 'SMS permission required';
  String get noSubscriptionSmsFound => _localizedStrings['noSubscriptionSmsFound'] ?? 'No subscription related SMS found';
  String get smsScanError => _localizedStrings['smsScanError'] ?? 'Error occurred during SMS scan';
  String get saveError => _localizedStrings['saveError'] ?? 'Error occurred while saving';
  String get newSubscriptionSmsNotFound => _localizedStrings['newSubscriptionSmsNotFound'] ?? 'No new subscription SMS found';
  String get subscriptionAddError => _localizedStrings['subscriptionAddError'] ?? 'Error adding subscription';
  String get allSubscriptionsProcessed => _localizedStrings['allSubscriptionsProcessed'] ?? 'All subscriptions have been processed.';
  String get websiteUrlExtracted => _localizedStrings['websiteUrlExtracted'] ?? 'Website URL (Auto-extracted)';
  String get startDate => _localizedStrings['startDate'] ?? 'Start Date';
  String get endDate => _localizedStrings['endDate'] ?? 'End Date';
  
  // 새로 추가된 항목들
  String get monthlyTotalSubscriptionCost => _localizedStrings['monthlyTotalSubscriptionCost'] ?? 'Total Monthly Subscription Cost';
  String get todaysExchangeRate => _localizedStrings['todaysExchangeRate'] ?? 'Today\'s Exchange Rate';
  String get won => _localizedStrings['won'] ?? 'KRW';
  String get estimatedAnnualCost => _localizedStrings['estimatedAnnualCost'] ?? 'Estimated Annual Cost';
  String get totalSubscriptionServices => _localizedStrings['totalSubscriptionServices'] ?? 'Total Subscription Services';
  String get services => _localizedStrings['services'] ?? 'services';
  String get eventDiscountActive => _localizedStrings['eventDiscountActive'] ?? 'Event Discount Active';
  String get saving => _localizedStrings['saving'] ?? 'Saving';
  String get paymentDueToday => _localizedStrings['paymentDueToday'] ?? 'Payment Due Today';
  String get paymentInfoNeeded => _localizedStrings['paymentInfoNeeded'] ?? 'Payment Info Needed';
  String get event => _localizedStrings['event'] ?? 'Event';
  
  // 카테고리 getter들
  String get categoryMusic => _localizedStrings['categoryMusic'] ?? 'Music';
  String get categoryOttVideo => _localizedStrings['categoryOttVideo'] ?? 'OTT(Video)';
  String get categoryStorageCloud => _localizedStrings['categoryStorageCloud'] ?? 'Storage/Cloud';
  String get categoryTelecomInternetTv => _localizedStrings['categoryTelecomInternetTv'] ?? 'Telecom · Internet · TV';
  String get categoryLifestyle => _localizedStrings['categoryLifestyle'] ?? 'Lifestyle';
  String get categoryShoppingEcommerce => _localizedStrings['categoryShoppingEcommerce'] ?? 'Shopping/E-commerce';
  String get categoryProgramming => _localizedStrings['categoryProgramming'] ?? 'Programming';
  String get categoryCollaborationOffice => _localizedStrings['categoryCollaborationOffice'] ?? 'Collaboration/Office';
  String get categoryAiService => _localizedStrings['categoryAiService'] ?? 'AI Service';
  String get categoryOther => _localizedStrings['categoryOther'] ?? 'Other';
  
  // 동적 메시지 생성 메서드
  String daysBefore(int days) {
    return '$days${_localizedStrings['daysBefore'] ?? 'day(s) before'}';
  }
  
  String dailyReminderDisabledWithDays(int days) {
    final template = _localizedStrings['dailyReminderDisabled'] ?? 'Receive notification @ day(s) before payment';
    return template.replaceAll('@', days.toString());
  }
  
  String subscriptionAddedWithName(String serviceName) {
    final template = _localizedStrings['subscriptionAddedTemplate'] ?? '@ 구독이 추가되었습니다.';
    return template.replaceAll('@', serviceName);
  }
  
  String subscriptionDeleted(String serviceName) {
    final template = _localizedStrings['subscriptionDeleted'] ?? '@ subscription has been deleted';
    return template.replaceAll('@', serviceName);
  }
  
  String totalExpenseCopied(String amount) {
    final template = _localizedStrings['totalExpenseCopied'] ?? 'Total expense copied: @';
    return template.replaceAll('@', amount);
  }
  
  String serviceRecognized(String serviceName) {
    final template = _localizedStrings['serviceRecognized'] ?? '@ service has been recognized automatically.';
    return template.replaceAll('@', serviceName);
  }
  
  String smsScanErrorWithMessage(String error) {
    final template = _localizedStrings['smsScanError'] ?? 'Error occurred during SMS scan: @';
    return template.replaceAll('@', error);
  }
  
  String saveErrorWithMessage(String error) {
    final template = _localizedStrings['saveError'] ?? 'Error occurred while saving: @';
    return template.replaceAll('@', error);
  }
  
  String subscriptionAddErrorWithMessage(String error) {
    final template = _localizedStrings['subscriptionAddError'] ?? 'Error adding subscription: @';
    return template.replaceAll('@', error);
  }
  
  String subscriptionSkipped(String serviceName) {
    final template = _localizedStrings['subscriptionSkipped'] ?? '@ subscription skipped.';
    return template.replaceAll('@', serviceName);
  }
  
  // 홈화면 관련
  String get mySubscriptions => _localizedStrings['mySubscriptions'] ?? 'My Subscriptions';
  
  String subscriptionCount(int count) {
    if (locale.languageCode == 'ko') {
      return '${count}개';
    } else if (locale.languageCode == 'ja') {
      return '${count}個';
    } else if (locale.languageCode == 'zh') {
      return '${count}个';
    } else {
      return count.toString();
    }
  }
  
  // 분석화면 관련
  String get monthlyExpenseTitle => _localizedStrings['monthlyExpenseTitle'] ?? 'Monthly Expense Status';
  String get recentSixMonthsTrend => _localizedStrings['recentSixMonthsTrend'] ?? 'Recent 6 months trend';
  String get monthlySubscriptionExpense => _localizedStrings['monthlySubscriptionExpense'] ?? 'Monthly subscription expense';
  String get subscriptionServiceRatio => _localizedStrings['subscriptionServiceRatio'] ?? 'Subscription Service Ratio';
  String get monthlyExpenseBasis => _localizedStrings['monthlyExpenseBasis'] ?? 'Based on monthly expense';
  String get noSubscriptionServices => _localizedStrings['noSubscriptionServices'] ?? 'No subscription services';
  String get totalExpenseSummary => _localizedStrings['totalExpenseSummary'] ?? 'Total Expense Summary';
  String get monthlyTotalAmount => _localizedStrings['monthlyTotalAmount'] ?? 'Monthly Total Amount';
  String get totalExpense => _localizedStrings['totalExpense'] ?? 'Total Expense';
  String get totalServices => _localizedStrings['totalServices'] ?? 'Total Services';
  String get servicesUnit => _localizedStrings['servicesUnit'] ?? 'services';
  String get averageCost => _localizedStrings['averageCost'] ?? 'Average Cost';
  String get eventDiscountStatus => _localizedStrings['eventDiscountStatus'] ?? 'Event Discount Status';
  String get inProgressUnit => _localizedStrings['inProgressUnit'] ?? 'in progress';
  String get monthlySavingAmount => _localizedStrings['monthlySavingAmount'] ?? 'Monthly Saving Amount';
  String get eventsInProgress => _localizedStrings['eventsInProgress'] ?? 'Events in Progress';
  String get discountPercent => _localizedStrings['discountPercent'] ?? '% discount';
  String get currencyWon => _localizedStrings['currencyWon'] ?? 'KRW';
  
  // SMS 스캔 관련
  String get scanningMessages => _localizedStrings['scanningMessages'] ?? 'Scanning SMS messages...';
  String get findingSubscriptions => _localizedStrings['findingSubscriptions'] ?? 'Finding subscription services';
  String get subscriptionNotFound => _localizedStrings['subscriptionNotFound'] ?? 'Subscription information not found.';
  String get repeatSubscriptionNotFound => _localizedStrings['repeatSubscriptionNotFound'] ?? 'No repeated subscription information found.';
  String get newSubscriptionNotFound => _localizedStrings['newSubscriptionNotFound'] ?? 'No new subscription SMS found';
  String get findRepeatSubscriptions => _localizedStrings['findRepeatSubscriptions'] ?? 'Find subscriptions paid 2+ times';
  String get scanTextMessages => _localizedStrings['scanTextMessages'] ?? 'Scan text messages to automatically find repeatedly paid subscriptions. Service names and amounts can be extracted for easy subscription addition.';
  String get startScanning => _localizedStrings['startScanning'] ?? 'Start Scanning';
  String get foundSubscription => _localizedStrings['foundSubscription'] ?? 'Found subscription';
  String get serviceName => _localizedStrings['serviceName'] ?? 'Service Name';
  String get nextBillingDateLabel => _localizedStrings['nextBillingDateLabel'] ?? 'Next Billing Date';
  String get category => _localizedStrings['category'] ?? 'Category';
  String get websiteUrlAuto => _localizedStrings['websiteUrlAuto'] ?? 'Website URL (Auto-extracted)';
  String get websiteUrlHint => _localizedStrings['websiteUrlHint'] ?? 'Edit website URL or leave empty';
  String get skip => _localizedStrings['skip'] ?? 'Skip';
  String get add => _localizedStrings['add'] ?? 'Add';
  String get nextBillingDateRequired => _localizedStrings['nextBillingDateRequired'] ?? 'Next billing date verification required';
  
  String nextBillingDateEstimated(String date, int days) {
    final template = _localizedStrings['nextBillingDateEstimated'] ?? 'Next estimated billing date: @ (# days later)';
    return template.replaceAll('@', date).replaceAll('#', days.toString());
  }
  
  String nextBillingDateInfo(String date, int days) {
    final template = _localizedStrings['nextBillingDateInfo'] ?? 'Next billing date: @ (# days later)';
    return template.replaceAll('@', date).replaceAll('#', days.toString());
  }
  
  String get nextBillingDatePastRequired => _localizedStrings['nextBillingDatePastRequired'] ?? 'Next billing date verification required (past date)';
  
  String formatDate(DateTime date) {
    if (locale.languageCode == 'ko') {
      return '${date.year}년 ${date.month}월 ${date.day}일';
    } else if (locale.languageCode == 'ja') {
      return '${date.year}年${date.month}月${date.day}日';
    } else if (locale.languageCode == 'zh') {
      return '${date.year}年${date.month}月${date.day}日';
    } else {
      final months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
      return '${months[date.month - 1]} ${date.day}, ${date.year}';
    }
  }
  
  String repeatCountDetected(int count) {
    final template = _localizedStrings['repeatCountDetected'] ?? '@ payment(s) detected';
    return template.replaceAll('@', count.toString());
  }
  
  String servicesInProgress(int count) {
    if (locale.languageCode == 'ko') {
      return '${count}개 진행중';
    } else if (locale.languageCode == 'ja') {
      return '${count}個進行中';
    } else if (locale.languageCode == 'zh') {
      return '${count}个进行中';
    } else {
      return '$count in progress';
    }
  }
  
  // 새로 추가된 동적 메서드들
  String paymentDueInDays(int days) {
    final template = _localizedStrings['paymentDueInDays'] ?? 'Payment due in @ days';
    return template.replaceAll('@', days.toString());
  }
  
  String daysRemaining(int days) {
    final template = _localizedStrings['daysRemaining'] ?? '@ days remaining';
    return template.replaceAll('@', days.toString());
  }
  
  String exchangeRateFormat(String rate) {
    final template = _localizedStrings['exchangeRateFormat'] ?? 'Today\'s rate: @';
    return template.replaceAll('@', rate);
  }
  
  // 결제 주기 결제 메시지
  String get billingCyclePayment => _localizedStrings['billingCyclePayment'] ?? '@ Payment';
  
  // 할인 금액 표시 getter들
  String get discountAmountWon => _localizedStrings['discountAmountWon'] ?? 'Save ₩@';
  String get discountAmountDollar => _localizedStrings['discountAmountDollar'] ?? 'Save \$@';
  String get discountAmountYen => _localizedStrings['discountAmountYen'] ?? 'Save ¥@';
  String get discountAmountYuan => _localizedStrings['discountAmountYuan'] ?? 'Save ¥@';
  
  // 결제 주기 관련 getter
  String get monthly => _localizedStrings['monthly'] ?? 'Monthly';
  String get weekly => _localizedStrings['weekly'] ?? 'Weekly';
  String get yearly => _localizedStrings['yearly'] ?? 'Yearly';
  String get billingCycleMonthly => _localizedStrings['billingCycleMonthly'] ?? 'Monthly';
  String get billingCycleQuarterly => _localizedStrings['billingCycleQuarterly'] ?? 'Quarterly';
  String get billingCycleHalfYearly => _localizedStrings['billingCycleHalfYearly'] ?? 'Half-Yearly';
  String get billingCycleYearly => _localizedStrings['billingCycleYearly'] ?? 'Yearly';
  
  // 색상 관련 getter
  String get colorBlue => _localizedStrings['colorBlue'] ?? 'Blue';
  String get colorGreen => _localizedStrings['colorGreen'] ?? 'Green';
  String get colorOrange => _localizedStrings['colorOrange'] ?? 'Orange';
  String get colorRed => _localizedStrings['colorRed'] ?? 'Red';
  String get colorPurple => _localizedStrings['colorPurple'] ?? 'Purple';
  
  // 날짜 형식 관련 getter
  String get dateFormatFull => _localizedStrings['dateFormatFull'] ?? 'MMM dd, yyyy';
  String get dateFormatShort => _localizedStrings['dateFormatShort'] ?? 'MM/dd';
  
  // USD 환율 표시 형식
  String get exchangeRateDisplay => _localizedStrings['exchangeRateDisplay'] ?? '\$1 = @';
  
  // 라벨 및 힌트 텍스트
  String get labelServiceName => _localizedStrings['labelServiceName'] ?? 'Service Name';
  String get hintServiceName => _localizedStrings['hintServiceName'] ?? 'e.g. Netflix, Spotify';
  String get labelMonthlyExpense => _localizedStrings['labelMonthlyExpense'] ?? 'Monthly Expense';
  String get labelNextBillingDate => _localizedStrings['labelNextBillingDate'] ?? 'Next Billing Date';
  String get labelWebsiteUrl => _localizedStrings['labelWebsiteUrl'] ?? 'Website URL (Optional)';
  String get hintWebsiteUrl => _localizedStrings['hintWebsiteUrl'] ?? 'https://example.com';
  String get labelEventPrice => _localizedStrings['labelEventPrice'] ?? 'Event Price';
  String get hintEventPrice => _localizedStrings['hintEventPrice'] ?? 'Enter discounted price';
  String get labelCategory => _localizedStrings['labelCategory'] ?? 'Category';
  
  // 기타 번역
  String get subscription => _localizedStrings['subscription'] ?? 'Subscription';
  String get movie => _localizedStrings['movie'] ?? 'Movie';
  String get music => _localizedStrings['music'] ?? 'Music';  
  String get exercise => _localizedStrings['exercise'] ?? 'Exercise';
  String get shopping => _localizedStrings['shopping'] ?? 'Shopping';
  String get currency => _localizedStrings['currency'] ?? 'Currency';
  String get websiteInfo => _localizedStrings['websiteInfo'] ?? 'Website Information';
  String get cancelGuide => _localizedStrings['cancelGuide'] ?? 'Cancellation Guide';
  String get cancelServiceGuide => _localizedStrings['cancelServiceGuide'] ?? 'To cancel this service, please go to the cancellation page through the link below.';
  String get goToCancelPage => _localizedStrings['goToCancelPage'] ?? 'Go to Cancellation Page';
  String get urlAutoMatchInfo => _localizedStrings['urlAutoMatchInfo'] ?? 'If URL is empty, it will be automatically matched based on the service name';
  String get dateSelect => _localizedStrings['dateSelect'] ?? 'Select';
  
  // 새로 추가된 getter들
  String get serviceInfo => _localizedStrings['serviceInfo'] ?? 'Service Information';
  String get newSubscriptionAdd => _localizedStrings['newSubscriptionAdd'] ?? 'Add New Subscription';
  String get enterServiceInfo => _localizedStrings['enterServiceInfo'] ?? 'Enter service information';
  String get addSubscriptionButton => _localizedStrings['addSubscriptionButton'] ?? 'Add Subscription';
  String get serviceNameRequired => _localizedStrings['serviceNameRequired'] ?? 'Please enter service name';
  String get amountRequired => _localizedStrings['amountRequired'] ?? 'Please enter amount';
  String get subscriptionDetail => _localizedStrings['subscriptionDetail'] ?? 'Subscription Detail';
  String get enterAmount => _localizedStrings['enterAmount'] ?? 'Enter amount';
  String get invalidAmount => _localizedStrings['invalidAmount'] ?? 'Please enter a valid amount';
  
  // 결제 주기를 키값으로 변환하여 번역된 이름 반환
  String getBillingCycleName(String billingCycleKey) {
    switch (billingCycleKey) {
      case 'monthly':
      case '월간':
      case '月間':
      case '月付':
        return monthly;
      case 'weekly':
      case '주간':
      case '週間':
      case '周付':
        return weekly;
      case 'yearly':
      case '연간':
      case '年間':
      case '年付':
        return yearly;
      default:
        return billingCycleKey; // 매칭되지 않으면 원본 반환
    }
  }
  
  // 카테고리 이름을 키로 변환하여 번역된 이름 반환
  String getCategoryName(String categoryKey) {
    switch (categoryKey) {
      case '음악':
        return categoryMusic;
      case 'OTT(동영상)':
        return categoryOttVideo;
      case '저장/클라우드':
        return categoryStorageCloud;
      case '통신 · 인터넷 · TV':
        return categoryTelecomInternetTv;
      case '생활/라이프스타일':
        return categoryLifestyle;
      case '쇼핑/이커머스':
        return categoryShoppingEcommerce;
      case '프로그래밍':
        return categoryProgramming;
      case '협업/오피스':
        return categoryCollaborationOffice;
      case 'AI 서비스':
        return categoryAiService;
      case '기타':
        return categoryOther;
      default:
        return categoryKey; // 매칭되지 않으면 원본 반환
    }
  }
}

class AppLocalizationsDelegate extends LocalizationsDelegate<AppLocalizations> {
  const AppLocalizationsDelegate();

  @override
  bool isSupported(Locale locale) => ['en', 'ko', 'ja', 'zh'].contains(locale.languageCode);

  @override
  Future<AppLocalizations> load(Locale locale) async {
    final localizations = AppLocalizations(locale);
    await localizations.load();
    return localizations;
  }

  @override
  bool shouldReload(AppLocalizationsDelegate old) => false;
}