asciinevrdie/lib/src/app.dart

import 'package:flutter/material.dart';

import 'package:asciineverdie/data/game_text_l10n.dart' as game_l10n;
import 'package:asciineverdie/l10n/app_localizations.dart';
import 'package:asciineverdie/src/core/audio/audio_service.dart';
import 'package:asciineverdie/src/core/engine/debug_settings_service.dart';
import 'package:asciineverdie/src/shared/retro_colors.dart';
import 'package:asciineverdie/src/core/engine/game_mutations.dart';
import 'package:asciineverdie/src/core/engine/progress_service.dart';
import 'package:asciineverdie/src/core/engine/reward_service.dart';
import 'package:asciineverdie/src/core/model/game_state.dart';
import 'package:asciineverdie/src/core/model/pq_config.dart';
import 'package:asciineverdie/src/core/notification/notification_service.dart';
import 'package:asciineverdie/src/core/storage/save_manager.dart';
import 'package:asciineverdie/src/core/storage/save_repository.dart';
import 'package:asciineverdie/src/core/storage/hall_of_fame_storage.dart';
import 'package:asciineverdie/src/core/storage/settings_repository.dart';
import 'package:asciineverdie/src/core/model/hall_of_fame.dart';
import 'package:asciineverdie/src/features/arena/arena_screen.dart';
import 'package:asciineverdie/src/features/front/front_screen.dart';
import 'package:asciineverdie/src/features/front/save_picker_dialog.dart';
import 'package:asciineverdie/src/features/game/game_play_screen.dart';
import 'package:asciineverdie/src/features/game/game_session_controller.dart';
import 'package:asciineverdie/src/features/game/widgets/notification_overlay.dart';
import 'package:asciineverdie/src/features/hall_of_fame/hall_of_fame_screen.dart';
import 'package:asciineverdie/src/features/new_character/new_character_screen.dart';
import 'package:asciineverdie/src/features/settings/settings_screen.dart';

class AskiiNeverDieApp extends StatefulWidget {
  const AskiiNeverDieApp({super.key});

  @override
  State<AskiiNeverDieApp> createState() => _AskiiNeverDieAppState();
}

/// 저장된 게임 미리보기 정보
class SavedGamePreview {
  const SavedGamePreview({
    required this.characterName,
    required this.level,
    required this.actName,
  });

  final String characterName;
  final int level;
  final String actName;
}

class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
  late final GameSessionController _controller;
  late final NotificationService _notificationService;
  late final SettingsRepository _settingsRepository;
  late final AudioService _audioService;
  late final HallOfFameStorage _hallOfFameStorage;
  final RouteObserver<ModalRoute<void>> _routeObserver =
      RouteObserver<ModalRoute<void>>();
  bool _isCheckingSave = true;
  bool _hasSave = false;
  SavedGamePreview? _savedGamePreview;
  ThemeMode _themeMode = ThemeMode.system;
  HallOfFame _hallOfFame = HallOfFame.empty();

  @override
  void initState() {
    super.initState();
    const config = PqConfig();
    final mutations = GameMutations(config);
    final rewards = RewardService(mutations, config);

    _controller = GameSessionController(
      progressService: ProgressService(
        config: config,
        mutations: mutations,
        rewards: rewards,
      ),
      saveManager: SaveManager(SaveRepository()),
    );
    _notificationService = NotificationService();
    _settingsRepository = SettingsRepository();
    _audioService = AudioService(settingsRepository: _settingsRepository);
    _hallOfFameStorage = HallOfFameStorage();

    // 초기 설정 및 오디오 서비스 로드
    _loadSettings();
    _audioService.init();
    // 디버그 설정 서비스 초기화 (Phase 8)
    DebugSettingsService.instance.initialize();
    // 세이브 파일 존재 여부 확인
    _checkForExistingSave();
    // 명예의 전당 로드
    _loadHallOfFame();
  }

  /// 명예의 전당 로드
  Future<void> _loadHallOfFame() async {
    final hallOfFame = await _hallOfFameStorage.load();
    if (mounted) {
      setState(() {
        _hallOfFame = hallOfFame;
      });
    }
  }

  /// 저장된 설정 불러오기
  Future<void> _loadSettings() async {
    final themeMode = await _settingsRepository.loadThemeMode();
    if (mounted) {
      setState(() => _themeMode = themeMode);
    }
  }

  /// 테마 모드 변경
  void _changeThemeMode(ThemeMode mode) {
    setState(() => _themeMode = mode);
    _settingsRepository.saveThemeMode(mode);
  }

  /// 세이브 파일 존재 여부 확인 및 미리보기 정보 로드
  Future<void> _checkForExistingSave() async {
    final exists = await _controller.saveManager.saveExists();
    SavedGamePreview? preview;

    if (exists) {
      // 세이브 파일에서 미리보기 정보 추출
      final (outcome, state, _, _) = await _controller.saveManager.loadState();
      if (outcome.success && state != null) {
        final actName = _getActName(state.progress.plotStageCount);
        preview = SavedGamePreview(
          characterName: state.traits.name,
          level: state.traits.level,
          actName: actName,
        );
      }
    }

    if (mounted) {
      setState(() {
        _hasSave = exists;
        _savedGamePreview = preview;
        _isCheckingSave = false;
      });
      // 세이브 확인 완료 후 타이틀 BGM 재생
      _audioService.playBgm('title');
    }
  }

  /// plotStageCount를 Act 이름으로 변환
  String _getActName(int plotStageCount) {
    return switch (plotStageCount) {
      1 => 'Prologue',
      2 => 'Act I',
      3 => 'Act II',
      4 => 'Act III',
      5 => 'Act IV',
      6 => 'Act V',
      _ => 'Act V',
    };
  }

  @override
  void dispose() {
    _controller.dispose();
    _notificationService.dispose();
    _audioService.dispose();
    super.dispose();
  }

  /// 라이트 테마 (Classic Parchment 스타일)
  ThemeData get _lightTheme => ThemeData(
    colorScheme: RetroColors.lightColorScheme,
    scaffoldBackgroundColor: const Color(0xFFFAF4ED),
    useMaterial3: true,
    // 카드/다이얼로그 레트로 배경
    cardColor: const Color(0xFFF2E8DC),
    dialogTheme: const DialogThemeData(
      backgroundColor: Color(0xFFF2E8DC),
      titleTextStyle: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 15,
        color: Color(0xFFB8860B),
      ),
    ),
    // 앱바 레트로 스타일
    appBarTheme: const AppBarTheme(
      backgroundColor: Color(0xFFF2E8DC),
      foregroundColor: Color(0xFF1F1F28),
      titleTextStyle: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 15,
        color: Color(0xFFB8860B),
      ),
    ),
    // 버튼 테마
    filledButtonTheme: FilledButtonThemeData(
      style: FilledButton.styleFrom(
        backgroundColor: const Color(0xFFE8DDD0),
        foregroundColor: const Color(0xFF1F1F28),
        textStyle: const TextStyle(
          inherit: false,
          fontFamily: 'PressStart2P',
          fontSize: 14,
          color: Color(0xFF1F1F28),
        ),
      ),
    ),
    outlinedButtonTheme: OutlinedButtonThemeData(
      style: OutlinedButton.styleFrom(
        foregroundColor: const Color(0xFFB8860B),
        side: const BorderSide(color: Color(0xFFB8860B), width: 2),
        textStyle: const TextStyle(
          inherit: false,
          fontFamily: 'PressStart2P',
          fontSize: 14,
          color: Color(0xFFB8860B),
        ),
      ),
    ),
    textButtonTheme: TextButtonThemeData(
      style: TextButton.styleFrom(
        foregroundColor: const Color(0xFF4A4458),
        textStyle: const TextStyle(
          inherit: false,
          fontFamily: 'PressStart2P',
          fontSize: 14,
          color: Color(0xFF4A4458),
        ),
      ),
    ),
    // 텍스트 테마
    textTheme: const TextTheme(
      headlineLarge: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 20,
        color: Color(0xFFB8860B),
      ),
      headlineMedium: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 16,
        color: Color(0xFFB8860B),
      ),
      headlineSmall: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 15,
        color: Color(0xFFB8860B),
      ),
      titleLarge: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 15,
        color: Color(0xFF1F1F28),
      ),
      titleMedium: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 14,
        color: Color(0xFF1F1F28),
      ),
      titleSmall: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 14,
        color: Color(0xFF1F1F28),
      ),
      bodyLarge: TextStyle(fontSize: 18, color: Color(0xFF1F1F28)),
      bodyMedium: TextStyle(fontSize: 17, color: Color(0xFF1F1F28)),
      bodySmall: TextStyle(fontSize: 15, color: Color(0xFF1F1F28)),
      labelLarge: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 14,
        color: Color(0xFF1F1F28),
      ),
      labelMedium: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 14,
        color: Color(0xFF1F1F28),
      ),
      labelSmall: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 13,
        color: Color(0xFF1F1F28),
      ),
    ),
    // 칩 테마
    chipTheme: const ChipThemeData(
      backgroundColor: Color(0xFFE8DDD0),
      labelStyle: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 14,
        color: Color(0xFF1F1F28),
      ),
      side: BorderSide(color: Color(0xFF8B7355)),
    ),
    // 리스트 타일 테마
    listTileTheme: const ListTileThemeData(
      textColor: Color(0xFF1F1F28),
      iconColor: Color(0xFFB8860B),
    ),
    // 프로그레스 인디케이터
    progressIndicatorTheme: const ProgressIndicatorThemeData(
      color: Color(0xFFB8860B),
      linearTrackColor: Color(0xFFD4C4B0),
    ),
  );

  /// 다크 테마 (Dark Fantasy 스타일)
  ThemeData get _darkTheme => ThemeData(
    colorScheme: RetroColors.darkColorScheme,
    scaffoldBackgroundColor: RetroColors.deepBrown,
    useMaterial3: true,
    // 카드/다이얼로그 레트로 배경
    cardColor: RetroColors.darkBrown,
    dialogTheme: const DialogThemeData(
      backgroundColor: Color(0xFF24283B),
      titleTextStyle: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 15,
        color: Color(0xFFE0AF68),
      ),
    ),
    // 앱바 레트로 스타일
    appBarTheme: const AppBarTheme(
      backgroundColor: Color(0xFF24283B),
      foregroundColor: Color(0xFFC0CAF5),
      titleTextStyle: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 15,
        color: Color(0xFFE0AF68),
      ),
    ),
    // 버튼 테마 (inherit: false로 애니메이션 lerp 오류 방지)
    filledButtonTheme: FilledButtonThemeData(
      style: FilledButton.styleFrom(
        backgroundColor: const Color(0xFF3D4260),
        foregroundColor: const Color(0xFFC0CAF5),
        textStyle: const TextStyle(
          inherit: false,
          fontFamily: 'PressStart2P',
          fontSize: 14,
          color: Color(0xFFC0CAF5),
        ),
      ),
    ),
    outlinedButtonTheme: OutlinedButtonThemeData(
      style: OutlinedButton.styleFrom(
        foregroundColor: const Color(0xFFE0AF68),
        side: const BorderSide(color: Color(0xFFE0AF68), width: 2),
        textStyle: const TextStyle(
          inherit: false,
          fontFamily: 'PressStart2P',
          fontSize: 14,
          color: Color(0xFFE0AF68),
        ),
      ),
    ),
    textButtonTheme: TextButtonThemeData(
      style: TextButton.styleFrom(
        foregroundColor: const Color(0xFFC0CAF5),
        textStyle: const TextStyle(
          inherit: false,
          fontFamily: 'PressStart2P',
          fontSize: 14,
          color: Color(0xFFC0CAF5),
        ),
      ),
    ),
    // 텍스트 테마
    textTheme: const TextTheme(
      headlineLarge: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 20,
        color: Color(0xFFE0AF68),
      ),
      headlineMedium: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 16,
        color: Color(0xFFE0AF68),
      ),
      headlineSmall: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 15,
        color: Color(0xFFE0AF68),
      ),
      titleLarge: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 15,
        color: Color(0xFFC0CAF5),
      ),
      titleMedium: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 14,
        color: Color(0xFFC0CAF5),
      ),
      titleSmall: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 14,
        color: Color(0xFFC0CAF5),
      ),
      bodyLarge: TextStyle(fontSize: 18, color: Color(0xFFC0CAF5)),
      bodyMedium: TextStyle(fontSize: 17, color: Color(0xFFC0CAF5)),
      bodySmall: TextStyle(fontSize: 15, color: Color(0xFFC0CAF5)),
      labelLarge: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 14,
        color: Color(0xFFC0CAF5),
      ),
      labelMedium: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 14,
        color: Color(0xFFC0CAF5),
      ),
      labelSmall: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 13,
        color: Color(0xFFC0CAF5),
      ),
    ),
    // 칩 테마
    chipTheme: const ChipThemeData(
      backgroundColor: Color(0xFF2A2E3F),
      labelStyle: TextStyle(
        fontFamily: 'PressStart2P',
        fontSize: 14,
        color: Color(0xFFC0CAF5),
      ),
      side: BorderSide(color: Color(0xFF545C7E)),
    ),
    // 리스트 타일 테마
    listTileTheme: const ListTileThemeData(
      textColor: Color(0xFFC0CAF5),
      iconColor: Color(0xFFE0AF68),
    ),
    // 프로그레스 인디케이터
    progressIndicatorTheme: const ProgressIndicatorThemeData(
      color: Color(0xFFE0AF68),
      linearTrackColor: Color(0xFF3B4261),
    ),
  );

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'ASCII NEVER DIE',
      debugShowCheckedModeBanner: false,
      localizationsDelegates: L10n.localizationsDelegates,
      supportedLocales: L10n.supportedLocales,
      theme: _lightTheme,
      darkTheme: _darkTheme,
      themeMode: _themeMode,
      navigatorObservers: [_routeObserver],
      builder: (context, child) {
        // 현재 로케일을 게임 텍스트 l10n 시스템에 동기화
        final locale = Localizations.localeOf(context);
        game_l10n.setGameLocale(locale.languageCode);
        return child ?? const SizedBox.shrink();
      },
      home: NotificationOverlay(
        notificationService: _notificationService,
        child: _buildHomeScreen(),
      ),
    );
  }

  /// 홈 화면 결정: 세이브 확인 중 → 스플래시, 그 외 → 프론트
  Widget _buildHomeScreen() {
    // 세이브 확인 중이면 로딩 스플래시 표시
    if (_isCheckingSave) {
      return const _SplashScreen();
    }

    return FrontScreen(
      onNewCharacter: _navigateToNewCharacter,
      onLoadSave: _loadSave,
      onHallOfFame: _navigateToHallOfFame,
      onLocalArena: _navigateToArena,
      onSettings: _showSettings,
      hasSaveFile: _hasSave,
      savedGamePreview: _savedGamePreview,
      hallOfFameCount: _hallOfFame.count,
      routeObserver: _routeObserver,
      onRefresh: () {
        _checkForExistingSave();
        _loadHallOfFame();
      },
    );
  }

  void _navigateToNewCharacter(BuildContext context) {
    Navigator.of(context)
        .push(
          MaterialPageRoute<void>(
            builder: (context) => NewCharacterScreen(
              onCharacterCreated: (initialState, {bool testMode = false}) {
                _startGame(context, initialState, testMode: testMode);
              },
            ),
          ),
        )
        .then((_) {
          // 새 게임 후 돌아오면 세이브 정보 및 명예의 전당 갱신
          _checkForExistingSave();
          _loadHallOfFame();
        });
  }

  Future<void> _loadSave(BuildContext context) async {
    // 저장 파일 목록 조회
    final saves = await _controller.saveManager.listSaves();

    if (!context.mounted) return;

    String? selectedFileName;

    if (saves.isEmpty) {
      // 저장 파일이 없으면 안내 메시지
      _notificationService.showInfo(L10n.of(context).noSavedGames);
      return;
    } else if (saves.length == 1) {
      // 파일이 하나면 바로 선택
      selectedFileName = saves.first.fileName;
    } else {
      // 여러 개면 다이얼로그 표시
      selectedFileName = await SavePickerDialog.show(context, saves);
    }

    if (selectedFileName == null || !context.mounted) return;

    // 선택된 파일 로드 (치트 모드는 저장된 상태에서 복원)
    await _controller.loadAndStart(fileName: selectedFileName);

    if (_controller.status == GameSessionStatus.running) {
      if (context.mounted) {
        _navigateToGame(context);
      }
    } else if (_controller.status == GameSessionStatus.error &&
        context.mounted) {
      _notificationService.showWarning(
        L10n.of(context).loadError(_controller.error ?? 'Unknown error'),
      );
    }
  }

  Future<void> _startGame(
    BuildContext context,
    GameState initialState, {
    bool testMode = false,
  }) async {
    await _controller.startNew(initialState, cheatsEnabled: testMode);

    if (context.mounted) {
      // NewCharacterScreen을 pop하고 GamePlayScreen으로 이동
      Navigator.of(context).pushReplacement(
        MaterialPageRoute<void>(
          builder: (context) => GamePlayScreen(
            controller: _controller,
            audioService: _audioService,
            forceCarouselLayout: testMode,
            currentThemeMode: _themeMode,
            onThemeModeChange: _changeThemeMode,
          ),
        ),
      );
    }
  }

  void _navigateToGame(BuildContext context) {
    Navigator.of(context)
        .push(
          MaterialPageRoute<void>(
            builder: (context) => GamePlayScreen(
              controller: _controller,
              audioService: _audioService,
              // 디버그 모드로 저장된 게임 로드 시 캐로셀 레이아웃 강제
              forceCarouselLayout: _controller.cheatsEnabled,
              currentThemeMode: _themeMode,
              onThemeModeChange: _changeThemeMode,
            ),
          ),
        )
        .then((_) {
          // 게임에서 돌아오면 세이브 정보 및 명예의 전당 갱신
          _checkForExistingSave();
          _loadHallOfFame();
        });
  }

  /// Phase 10: 명예의 전당 화면으로 이동
  void _navigateToHallOfFame(BuildContext context) {
    Navigator.of(context)
        .push(
          MaterialPageRoute<void>(
            builder: (context) => const HallOfFameScreen(),
          ),
        )
        .then((_) {
          // 명예의 전당에서 돌아오면 명예의 전당 갱신 및 타이틀 BGM 재생
          _loadHallOfFame();
          _audioService.playBgm('title');
        });
  }

  /// 로컬 아레나 화면으로 이동
  void _navigateToArena(BuildContext context) {
    Navigator.of(context)
        .push(
          MaterialPageRoute<void>(builder: (context) => const ArenaScreen()),
        )
        .then((_) {
          // 아레나에서 돌아오면 명예의 전당 다시 로드 및 타이틀 BGM 재생
          _loadHallOfFame();
          _audioService.playBgm('title');
        });
  }

  /// 설정 화면 표시 (모달 바텀시트)
  void _showSettings(BuildContext context) {
    SettingsScreen.show(
      context,
      settingsRepository: _settingsRepository,
      currentThemeMode: _themeMode,
      onThemeModeChange: _changeThemeMode,
      onBgmVolumeChange: _audioService.setBgmVolume,
      onSfxVolumeChange: _audioService.setSfxVolume,
    );
  }
}

/// 스플래시 화면 (세이브 파일 확인 중) - 레트로 스타일
class _SplashScreen extends StatelessWidget {
  const _SplashScreen();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: RetroColors.deepBrown,
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            // 타이틀 로고
            Container(
              padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
              decoration: BoxDecoration(
                color: RetroColors.panelBg,
                border: Border.all(color: RetroColors.gold, width: 3),
              ),
              child: Column(
                children: [
                  // 아이콘
                  const Icon(
                    Icons.auto_awesome,
                    size: 32,
                    color: RetroColors.gold,
                  ),
                  const SizedBox(height: 12),
                  // 타이틀
                  const Text(
                    'ASCII',
                    style: TextStyle(
                      fontFamily: 'PressStart2P',
                      fontSize: 22,
                      color: RetroColors.gold,
                      shadows: [
                        Shadow(
                          color: RetroColors.goldDark,
                          offset: Offset(2, 2),
                        ),
                      ],
                    ),
                  ),
                  const SizedBox(height: 4),
                  const Text(
                    'NEVER DIE',
                    style: TextStyle(
                      fontFamily: 'PressStart2P',
                      fontSize: 16,
                      color: RetroColors.cream,
                      shadows: [
                        Shadow(color: RetroColors.brown, offset: Offset(1, 1)),
                      ],
                    ),
                  ),
                ],
              ),
            ),
            const SizedBox(height: 32),
            // 레트로 로딩 바
            SizedBox(width: 160, child: _RetroLoadingBar()),
          ],
        ),
      ),
    );
  }
}

/// 레트로 스타일 로딩 바 (애니메이션)
class _RetroLoadingBar extends StatefulWidget {
  @override
  State<_RetroLoadingBar> createState() => _RetroLoadingBarState();
}

class _RetroLoadingBarState extends State<_RetroLoadingBar>
    with SingleTickerProviderStateMixin {
  late AnimationController _controller;

  @override
  void initState() {
    super.initState();
    _controller = AnimationController(
      duration: const Duration(milliseconds: 1500),
      vsync: this,
    )..repeat();
  }

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    const segmentCount = 10;

    return AnimatedBuilder(
      animation: _controller,
      builder: (context, child) {
        // 웨이브 효과: 각 세그먼트가 순차적으로 켜지고 꺼짐
        return Container(
          height: 16,
          decoration: BoxDecoration(
            color: RetroColors.panelBg,
            border: Border.all(color: RetroColors.panelBorderOuter, width: 2),
          ),
          child: Row(
            children: List.generate(segmentCount, (index) {
              // 웨이브 패턴 계산
              final progress = _controller.value * segmentCount;
              final distance = (index - progress).abs();
              final isLit = distance < 2 || (segmentCount - distance) < 2;
              final opacity = isLit ? 1.0 : 0.2;

              return Expanded(
                child: Container(
                  margin: const EdgeInsets.all(1),
                  decoration: BoxDecoration(
                    color: RetroColors.gold.withValues(alpha: opacity),
                  ),
                ),
              );
            }),
          ),
        );
      },
    );
  }
}