import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_localizations/flutter_localizations.dart'; // Localization
import 'package:hive_flutter/hive_flutter.dart';
import 'models/sake_item.dart';
import 'models/user_profile.dart';
import 'models/menu_settings.dart';
import 'providers/theme_provider.dart';
import 'screens/main_screen.dart';
import 'services/migration_service.dart';

/// Pro版かLite版かを判定するビルド時フラグ
///
/// ビルドコマンド:
/// - Pro版: flutter build apk --release --dart-define=IS_PRO_VERSION=true
/// - Lite版: flutter build apk --release --dart-define=IS_PRO_VERSION=false
///
/// デフォルトはtrue（Pro版）
const bool isProVersion = bool.fromEnvironment('IS_PRO_VERSION', defaultValue: true);

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  
  // Initialize Hive
  await Hive.initFlutter();
  
  // Register Adapters
  Hive.registerAdapter(SakeItemAdapter());
  Hive.registerAdapter(UserProfileAdapter());
  Hive.registerAdapter(MenuSettingsAdapter());
  // Phase 0 New Adapters
  Hive.registerAdapter(DisplayDataAdapter());
  Hive.registerAdapter(HiddenSpecsAdapter());
  Hive.registerAdapter(UserDataAdapter());
  Hive.registerAdapter(GamificationAdapter());
  Hive.registerAdapter(MetadataAdapter());
  Hive.registerAdapter(ItemTypeAdapter()); // Restored missing adapter
  // Open all boxes first (faster to open them together)
  // Reverted to synchronous wait to ensure Providers have data immediately
  // Open all boxes in parallel (Much faster than sequential)
  await Future.wait([
    Hive.openBox('settings'),
    Hive.openBox<UserProfile>('user_profile'),
    Hive.openBox<SakeItem>('sake_items'),
    Hive.openBox<MenuSettings>('menu_settings'),
  ]);

  // Run Phase 0 Migration (Only once)
  final box = Hive.box('settings');
  final migrationCompleted = box.get('migration_completed', defaultValue: false);
  if (!migrationCompleted) {
    debugPrint('🚀 Running MigrationService...');
    await MigrationService.runMigration();
    await box.put('migration_completed', true);
  } else {
    debugPrint('✅ Migration already completed. Skipping.');
  }

  // ✅ AI解析キャッシュは使うときに初期化する（Lazy initialization）
  // AnalysisCacheService.init()はサービス内でLazy実装されているため、
  // ここで呼び出すと起動が遅くなる。必要なときに自動初期化される。

  runApp(
    const ProviderScope(
      child: MyApp(),
    ),
  );
}

class MyApp extends ConsumerWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final lightTheme = ref.watch(lightThemeProvider);
    final darkTheme = ref.watch(darkThemeProvider);
    final themeMode = ref.watch(themeModeProvider);
    final locale = ref.watch(localeProvider); // NEW: User-selected locale

    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Ponshu Room Lite',
      theme: lightTheme,
      darkTheme: darkTheme,
      themeMode: themeMode,
      locale: locale, // NEW: Apply user's locale choice

       // Localization (UPDATED)
      localizationsDelegates: const [
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
        GlobalCupertinoLocalizations.delegate,
      ],
      supportedLocales: const [
        Locale('ja'), // 日本語
        Locale('en'), // English
        // Phase 2: フランス語・ドイツ語を追加予定
        // Locale('fr'), // Français
        // Locale('de'), // Deutsch
      ],

      navigatorObservers: [routeObserver],
      home: const MainScreen(),
    );
  }
}

// Global RouteObserver
final RouteObserver<ModalRoute<void>> routeObserver = RouteObserver<ModalRoute<void>>();