Source code

We have made the main source code publicly available. We hope it will be helpful as a reference for app development.

● Japanese ● ご注意 ● このページで公開しているのはDartコードのみです。アプリの動作には画像・音声・多言語テキストなどの追加データが必要なため、ここに掲載している情報だけではアプリを完全に再現することはできません。 ● アプリは継続的に機能拡張しているため、ストアで公開している最新版とコード内容が異なる場合があります。 ● コードはコピーして自由にご利用いただけますが、著作権は放棄していません。そのため、コード全体の再掲載はご遠慮ください。一部の引用や改変しての再掲載は問題ありません。個人利用・商用利用を問わず、アプリ開発の参考として自由にお使いください。 ● このコードは「お手本」として公開しているものではありません。ミニアプリとして作成しているため、変数名など細部に配慮していない箇所や誤りが含まれる可能性があります。参考程度にご覧ください。 ● 他の開発者の公開コードを参考にした部分も含まれています。アプリ開発の熟練者が書いたコードではない点もご了承ください。 ● ここはエンジニア向けの技術情報共有サービスではないため、詳細な説明は省略しています。 ● 本コードは無保証であり、動作や品質を保証するものではありません。
Copyright© エーオーシステム株式会社

● English ● Notice ● Only the Dart source code is provided on this page. Additional assets such as images, audio files, and multilingual text are required for the application to function. Therefore, the information here alone is not sufficient to fully reproduce the app. ● The app is continuously being improved, so the code published here may differ from the latest version available on the app stores. ● You are free to copy and use the code, but the copyright is not waived. For this reason, please refrain from redistributing (reposting) the entire code. Partial quotation or redistribution of modified portions is allowed. You may use the code freely for reference in your own app development, whether for personal or commercial use. ● This code is not intended to serve as a coding example or best practice. As this is a small sample app, some variable names and details may lack refinement, and there may be mistakes. Please use it only as a reference. ● Some parts of the code are based on publicly available examples from other developers. Please note that this code was not written by an expert in Android app development. ● This is not a technical knowledge-sharing service for engineers, so detailed explanations are omitted. ● The code is provided "as is" without any warranty of any kind.
Copyright© ao-system, Inc.

Last build date: 2026-05-28

name: roulette
description: "Roulette"

publish_to: 'none'

version: 2.8.1+51

environment:
  sdk: ^3.11.5

dependencies:   #flutter pub upgrade --major-versions
  flutter:
    sdk: flutter
  shared_preferences: ^2.5.2
  flutter_localizations:    # flutter gen-l10n
    sdk: flutter
  intl: ^0.20.2
  google_mobile_ads: ^8.0.0
  flutter_tts: ^4.0.2
  just_audio: ^0.10.4
  equatable: ^2.0.7
  collection: ^1.18.0
  google_fonts: ^8.0.2
  wakelock_plus: ^1.4.0
  in_app_review: ^2.0.11
  app_settings: ^7.0.0

dev_dependencies:
  flutter_lints: ^6.0.0
  flutter_launcher_icons: ^0.14.3    #flutter pub run flutter_launcher_icons
  flutter_native_splash: ^2.3.6     #flutter pub run flutter_native_splash:create

flutter_icons:
  android: "launcher_icon"
  ios: true
  image_path: "assets/icon/icon.png"
  adaptive_icon_background: "assets/icon/icon_back.png"
  adaptive_icon_foreground: "assets/icon/icon_fore.png"

flutter_native_splash:
  color: '#9da9f5'
  image: 'assets/image/splash.png'
  color_dark: '#9da9f5'
  image_dark: 'assets/image/splash.png'
  fullscreen: true
  android_12:
    icon_background_color: '#9da9f5'
    image: 'assets/image/splash.png'
    icon_background_color_dark: '#9da9f5'
    image_dark: 'assets/image/splash.png'

flutter:
  generate: true
  uses-material-design: true
  config:
    enable-swift-package-manager: true

  assets:
    - assets/image/

/// Copyright© ao-system, Inc.

import 'package:flutter/cupertino.dart';
import 'package:google_mobile_ads/google_mobile_ads.dart';

import 'package:roulette/ad_manager.dart';

class AdBannerWidget extends StatefulWidget {
  final AdManager adManager;
  const AdBannerWidget({super.key, required this.adManager});
  @override
  State<AdBannerWidget> createState() => _AdBannerWidgetState();
}

class _AdBannerWidgetState extends State<AdBannerWidget> {
  int _lastBannerWidthDp = 0;
  bool _isAdLoaded = false;
  bool _isLoading = false;
  @override
  Widget build(BuildContext context) {
    return SafeArea(
      child: LayoutBuilder(
        builder: (context, constraints) {
          final int width = constraints.maxWidth.isFinite ? constraints.maxWidth.truncate() : MediaQuery.of(context).size.width.truncate();
          final bannerAd = widget.adManager.bannerAd;
          if (width > 0) {
            WidgetsBinding.instance.addPostFrameCallback((_) {
              if (mounted) {
                final bannerAd = widget.adManager.bannerAd;
                final bool widthChanged = _lastBannerWidthDp != width;
                final bool sizeMismatch = bannerAd == null || bannerAd.size.width != width;
                if ((widthChanged || !_isAdLoaded || sizeMismatch) && !_isLoading) {
                  _lastBannerWidthDp = width;
                  setState(() { _isAdLoaded = false; _isLoading = true; });
                  widget.adManager.loadAdaptiveBannerAd(width, () {
                    if (mounted) {
                      setState(() { _isAdLoaded = true; _isLoading = false; });
                    }
                  });
                }
              }
            });
          }
          if (_isAdLoaded && bannerAd != null) {
            return Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                SizedBox(height: 10),
                Row(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    SizedBox(
                      width: bannerAd.size.width.toDouble(),
                      height: bannerAd.size.height.toDouble(),
                      child: AdWidget(ad: bannerAd),
                    ),
                  ],
                )
              ]
            );
          } else {
            return const SizedBox.shrink();
          }
        },
      ),
    );
  }
}
/// Copyright© ao-system, Inc.

import 'dart:async';
import 'dart:io' show Platform;
import 'dart:ui';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:google_mobile_ads/google_mobile_ads.dart';
import 'package:flutter/widgets.dart';

import 'package:roulette/_secrets.dart';

class AdManager {
  static String get _adUnitId => Platform.isIOS ? Secrets.adUnitIdIos : Secrets.adUnitIdAndroid;
  BannerAd? _bannerAd;
  int _lastWidthPx = 0;
  VoidCallback? _onLoadedCb;
  Timer? _retryTimer;
  int _retryAttempt = 0;

  BannerAd? get bannerAd => _bannerAd;

  /// アプリ起動時の設定
  /// UMP(同意管理)を導入したため、手動のNPA設定は不要になった。
  static Future<void> initForNPA() async {
    if (kIsWeb) {
      return;
    }
    // UMP SDK が保存した同意情報を MobileAds SDK が自動で読み取るため、
    // ここで RequestConfiguration を使って NPA を強制する必要はない。
    await MobileAds.instance.updateRequestConfiguration(
      RequestConfiguration(
        tagForChildDirectedTreatment: TagForChildDirectedTreatment.unspecified,
        testDeviceIds: Secrets.umpConsentTestDeviceIds, //テストデバイスID:広告の誤クリック防止
      ),
    );
  }

  Future<void> loadAdaptiveBannerAd(int widthPx, VoidCallback onAdLoaded) async {
    if (kIsWeb) {
      return;
    }
    _onLoadedCb = onAdLoaded;
    _lastWidthPx = widthPx;
    _retryAttempt = 0;
    _retryTimer?.cancel();
    _retryTimer = null;
    _startLoad(widthPx);
  }

  static AdRequest getAdRequest() {
    // ユーザーの同意状態(TCF信号)は、SDKによって自動的に付与される。
    // 手動で npa: 1 を送ると、UMPでのユーザーの選択と競合する可能性があるため、空で返す。
    // AdRequest(nonPersonalizedAds: true);にはしない
    return const AdRequest();
  }

  Future<void> _startLoad(int widthPx) async {
    if (kIsWeb) {
      return;
    }
    _bannerAd?.dispose();
    AnchoredAdaptiveBannerAdSize? adaptiveSize;
    try {
      adaptiveSize = await AdSize.getCurrentOrientationAnchoredAdaptiveBannerAdSize(widthPx);
    } catch (_) {
      adaptiveSize = null;
    }
    final AdSize size = adaptiveSize ?? AdSize.fullBanner;
    _bannerAd = BannerAd(
      adUnitId: _adUnitId,
      request: getAdRequest(),
      size: size,
      listener: BannerAdListener(
        onAdLoaded: (ad) {
          _retryTimer?.cancel();
          _retryTimer = null;
          _retryAttempt = 0;
          final cb = _onLoadedCb;
          if (cb != null) {
            cb();
          }
        },
        onAdFailedToLoad: (ad, err) {
          ad.dispose();
          _scheduleRetry();
        },
      ),
    )..load();
  }

  void _scheduleRetry() {
    if (kIsWeb) return;
    _retryTimer?.cancel();
    _retryTimer = null;
    _retryAttempt = (_retryAttempt + 1).clamp(1, 5);
    final seconds = _retryAttempt >= 4 ? 30 : (3 << (_retryAttempt - 1));
    _retryTimer = Timer(Duration(seconds: seconds), () {
      _startLoad(_lastWidthPx > 0 ? _lastWidthPx : 320);
    });
  }

  void dispose() {
    _bannerAd?.dispose();
    _retryTimer?.cancel();
    _retryTimer = null;
  }
}
/// Copyright© ao-system, Inc.

import 'dart:async';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:google_mobile_ads/google_mobile_ads.dart';
import 'package:flutter/widgets.dart';

import 'package:roulette/l10n/app_localizations.dart';
import 'package:roulette/_secrets.dart';

/// UMP状態格納用
class AdUmpState {
  final PrivacyOptionsRequirementStatus privacyStatus;
  final ConsentStatus consentStatus;
  final bool privacyOptionsRequired;
  final bool isChecking;
  const AdUmpState({
    required this.privacyStatus,
    required this.consentStatus,
    required this.privacyOptionsRequired,
    required this.isChecking,
  });

  AdUmpState copyWith({
    PrivacyOptionsRequirementStatus? privacyStatus,
    ConsentStatus? consentStatus,
    bool? privacyOptionsRequired,
    bool? isChecking,
  }) {
    return AdUmpState(
      privacyStatus: privacyStatus ?? this.privacyStatus,
      consentStatus: consentStatus ?? this.consentStatus,
      privacyOptionsRequired:
      privacyOptionsRequired ?? this.privacyOptionsRequired,
      isChecking: isChecking ?? this.isChecking,
    );
  }

  static const initial = AdUmpState(
    privacyStatus: PrivacyOptionsRequirementStatus.unknown,
    consentStatus: ConsentStatus.unknown,
    privacyOptionsRequired: false,
    isChecking: false,
  );
}

//UMPコントローラ
class AdUmpConsentController {
  //デバッグ用:同意フォームの表示テスト:EEA地域を強制する(本番ではfalseにすること)
  final bool forceEeaForDebug = false;
  //デバッグ用:同意フォームの表示テスト:EEA地域を強制するテストデバイスID
  static final List<String> _testDeviceIds = Secrets.umpConsentTestDeviceIds;

  ConsentRequestParameters _buildParams() {
    if (forceEeaForDebug && _testDeviceIds.isNotEmpty) {
      return ConsentRequestParameters(
        consentDebugSettings: ConsentDebugSettings(
          debugGeography: DebugGeography.debugGeographyEea,
          testIdentifiers: _testDeviceIds,
        ),
      );
    }
    return ConsentRequestParameters();
  }

  //同意情報を更新して状態を返す
  Future<AdUmpState> updateConsentInfo({AdUmpState current = AdUmpState.initial}) async {
    if (kIsWeb) {
      return current;
    }
    var state = current.copyWith(isChecking: true);

    try {
      final params = _buildParams();
      final completer = Completer<AdUmpState>();

      ConsentInformation.instance.requestConsentInfoUpdate(
        params,
        () async {
          //同意フォームが必要なら表示する
          ConsentForm.loadAndShowConsentFormIfRequired((formError) async {
            final s = await ConsentInformation.instance.getPrivacyOptionsRequirementStatus();
            final c = await ConsentInformation.instance.getConsentStatus();
            completer.complete(
              state.copyWith(
                privacyStatus: s,
                consentStatus: c,
                privacyOptionsRequired: s == PrivacyOptionsRequirementStatus.required,
                isChecking: false,
              ),
            );
          });
        },
        (FormError e) {
          completer.complete(state.copyWith(isChecking: false));
        },
      );
      return await completer.future;
    } catch (_) {
      return state.copyWith(isChecking: false);
    }
  }

  //プライバシーオプションフォームを表示
  Future<FormError?> showPrivacyOptions() async {
    if (kIsWeb) return null;
    final completer = Completer<FormError?>();
    ConsentForm.showPrivacyOptionsForm((FormError? e) {
      completer.complete(e);
    });
    return completer.future;
  }
}

class AdUmpService {
  final AdUmpConsentController _adUmpConsentController = AdUmpConsentController();

  Future<AdUmpState> updateConsentInfo(AdUmpState current) async {
    return await _adUmpConsentController.updateConsentInfo(current: current);
  }

  Future<void> requestConsentInfoUpdate(ConsentRequestParameters params) async {
    final completer = Completer<void>();
    ConsentInformation.instance.requestConsentInfoUpdate(
      params,
          () => completer.complete(),
          (FormError error) => completer.completeError(error),
    );
    return completer.future;
  }

  Future<FormError?> showPrivacyOptions() async {
    return await _adUmpConsentController.showPrivacyOptions();
  }
}

extension ConsentStatusL10n on ConsentStatus {
  String localized(BuildContext context) {
    final l = AppLocalizations.of(context)!;
    switch (this) {
      case ConsentStatus.obtained:
        return l.cmpConsentStatusObtained;
      case ConsentStatus.required:
        return l.cmpConsentStatusRequired;
      case ConsentStatus.notRequired:
        return l.cmpConsentStatusNotRequired;
      case ConsentStatus.unknown:
        return l.cmpConsentStatusUnknown;
    }
  }
}
/// Copyright© ao-system, Inc.

import 'package:flutter/services.dart';

///App Tracking Transparency サービス
///iOS 14以降で広告トラッキングの許可をリクエストする
class AttService {
  //チャンネル名をiOS側と一致させる
  static const _channel = MethodChannel('aosystem.att');

  static final AttService _instance = AttService._internal();
  factory AttService() => _instance;
  AttService._internal();

  ///トラッキング許可をリクエスト
  ///戻り値: AttStatus (enum)
  Future<AttStatus> requestTracking() async {
    try {
      //iOS側からInt値を受け取る
      final result = await _channel.invokeMethod<int>('requestTracking');
      //enumに変換して返却
      return parseAttStatus(result);
    } on MissingPluginException catch (_) {
      //ハンドラ未登録(iOS以外/旧バイナリ等)はアプリ全体を落とさない
      return AttStatus.unknown;
    } on PlatformException catch (_) {
      return AttStatus.unknown;
    }
  }

  ///現在のトラッキング許可状態を取得
  ///戻り値:AttStatus(enum)
  Future<AttStatus> getTrackingStatus() async {
    try {
      //iOS側からInt値を受け取る
      final result = await _channel.invokeMethod<int>('getTrackingStatus');
      //enumに変換して返却
      return parseAttStatus(result);
    } on MissingPluginException catch (_) {
      return AttStatus.unknown;
    } on PlatformException catch (_) {
      return AttStatus.unknown;
    }
  }

  ///トラッキングが許可されているか
  Future<bool> isTrackingAuthorized() async {
    final status = await getTrackingStatus();
    return status == AttStatus.authorized;
  }
}

//一緒に利用する enum とヘルパー関数

enum AttStatus {
  notDetermined, // 0
  restricted,    // 1
  denied,        // 2
  authorized,    // 3
  unknown,       // 4
}

AttStatus parseAttStatus(int? value) {
  switch (value) {
    case 0:
      return AttStatus.notDetermined;
    case 1:
      return AttStatus.restricted;
    case 2:
      return AttStatus.denied;
    case 3:
      return AttStatus.authorized;
    default:
      return AttStatus.unknown;
  }
}
/// Copyright© ao-system, Inc.

import 'dart:async';
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:wakelock_plus/wakelock_plus.dart';

import 'package:roulette/model.dart';
import 'package:roulette/text_to_speech.dart';
import 'package:roulette/l10n/app_localizations.dart';
import 'package:roulette/ad_banner_widget.dart';
import 'package:roulette/roulette_painter.dart';
import 'package:roulette/setting_page.dart';
import 'package:roulette/theme_color.dart';
import 'package:roulette/three_phase_roulette_curve.dart';
import 'package:roulette/roulette_item.dart';
import 'package:roulette/main.dart';
import 'package:roulette/loading_screen.dart';

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

  @override
  State<MainHomePage> createState() => _MainHomePageState();
}

class _MainHomePageState extends State<MainHomePage> with SingleTickerProviderStateMixin, WidgetsBindingObserver {
  late ThemeColor _themeColor;
  late AnimationController _animationController;
  late Animation<double> _animation;
  String? _rouletteResult;
  String? _currentItemName;
  Color? _currentBackgroundColor;
  final _random = Random();
  final Color _fixedBgColor = const Color(0xFFaaaaaa);
  bool _isReady = false;

  // Roulette Colors from CustomSurfaceView.kt
  final List<Color> _rouletteColors = [
    const Color.fromARGB(255, 234, 123, 132),
    const Color.fromARGB(255, 240, 196, 123),
    const Color.fromARGB(255, 247, 239, 123),
    const Color.fromARGB(255, 192, 217, 139),
    const Color.fromARGB(255, 123, 197, 156),
    const Color.fromARGB(255, 123, 201, 235),
    const Color.fromARGB(255, 123, 173, 211),
    const Color.fromARGB(255, 138, 139, 189),
    const Color.fromARGB(255, 194, 127, 186),
    const Color.fromARGB(255, 233, 123, 185),
  ];

  final List<Color> _rouletteDarkColors = [
    const Color.fromARGB(255, 222, 0, 17),
    const Color.fromARGB(255, 234, 145, 0),
    const Color.fromARGB(255, 247, 232, 0),
    const Color.fromARGB(255, 137, 188, 30),
    const Color.fromARGB(255, 0, 147, 66),
    const Color.fromARGB(255, 0, 154, 225),
    const Color.fromARGB(255, 0, 101, 176),
    const Color.fromARGB(255, 28, 31, 131),
    const Color.fromARGB(255, 140, 7, 126),
    const Color.fromARGB(255, 220, 0, 123),
  ];

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);
    _initState();
  }

  void _initState() async {
    _themeColor = ThemeColor(themeNumber: Model.themeNumber, context: context);
    _wakelock();
    _animationController =
    AnimationController(vsync: this, duration: const Duration(seconds: 10))
      ..addStatusListener((status) {
        if (status == AnimationStatus.completed) {
          _determineWinner();
        }
      });
    _animation = Tween<double>(begin: 0, end: 360 * 30).animate(
      CurvedAnimation(
        parent: _animationController,
        curve: Curves.easeInOutCubic, // Dummy curve, will be replaced in _onClickStart
      ),
    );
    _updateColorAndItemNameForAngle(0.0); // Set initial color and item name
    await TextToSpeech.applyPreferences(Model.ttsVoiceId,Model.ttsVolume);
    setState(() {
      _isReady = true;
    });
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    WakelockPlus.disable();
    _animationController.dispose();
    unawaited(TextToSpeech.stop());
    super.dispose();
  }

  //need with WidgetsBindingObserver
  //WidgetsBinding.instance.addObserver(this);
  //WidgetsBinding.instance.removeObserver(this);
  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    switch (state) {
      case AppLifecycleState.resumed:
        _wakelock();
        break;
      case AppLifecycleState.inactive:
      case AppLifecycleState.paused:
      case AppLifecycleState.detached:
      case AppLifecycleState.hidden:
        WakelockPlus.disable();
        break;
    }
  }

  void _wakelock() {
    if (Model.wakelockEnabled) {
      WakelockPlus.enable();
    } else {
      WakelockPlus.disable();
    }
  }

  void _onClickStart() {
    setState(() {
      _rouletteResult = null; // Clear previous result
      _currentItemName = '...';
    });
    // Define animation phases duration
    final double scale = Model.rotationShort ? 0.1 : 1.0;
    final double easeInDuration = 1.0 * scale;
    final double easeOutDuration = 8.0 * scale;
    final double linearDuration = Model.rotationTime * scale;
    final double totalDuration = easeInDuration + linearDuration + easeOutDuration;
    _animationController.duration = Duration(
      milliseconds: (totalDuration * 1000).round(),
    );
    // Adjust rotation amount based on duration to keep speed consistent
    const double baseEaseIn = 1.0;
    const double baseLinearDuration = 5.0; // Default linear duration
    const double baseEaseOut = 8.0;
    const double baseTotalDuration = baseEaseIn + baseLinearDuration + baseEaseOut;
    const double baseRotationAmount =
        360 * 28; // A base rotation amount for the base duration
    final double targetRotationAmount =
        baseRotationAmount * (totalDuration / baseTotalDuration);
    // Add a bit of randomness to the final position
    final double randomExtraRotation =
        360 * (_random.nextDouble() - 0.5); // +/- 180 degrees
    final double beginAngle = _animation.value;
    final double endAngle = beginAngle + targetRotationAmount + randomExtraRotation;
    _animation = Tween<double>(begin: beginAngle, end: endAngle).animate(
      CurvedAnimation(
        parent: _animationController,
        curve: ThreePhaseRouletteCurve(
          easeInDuration: easeInDuration,
          linearDuration: linearDuration,
          easeOutDuration: easeOutDuration,
        ),
      ),
    );
    _animationController.forward(from: 0.0);
  }

  List<RouletteItem> _getActiveItems() {
    final activeItems = Model.rouletteItems
        .where((item) => item.name.isNotEmpty)
        .toList();
    if (Model.itemSplit && activeItems.isNotEmpty) {
      activeItems.addAll(List.from(activeItems));
    }
    return activeItems;
  }

  void _updateCurrentItem() {
    final double currentAngle = _animation.value;
    double effectiveAngle = (360 - (currentAngle % 360) + 270) % 360;

    double currentAngleSum = 0.0;
    final List<RouletteItem> activeItems = _getActiveItems();
    double totalRate = activeItems.fold(0.0, (sum, item) => sum + item.rate);
    if (totalRate == 0) {
      _currentItemName = AppLocalizations.of(context)!.noItemsToSpin;
      return;
    }
    for (int i = 0; i < activeItems.length; i++) {
      final item = activeItems[i];
      final double sweepAngle = (item.rate / totalRate) * 360;
      if (effectiveAngle >= currentAngleSum &&
          effectiveAngle < currentAngleSum + sweepAngle) {
        final originalItemsCount = Model.rouletteItems
            .where((i) => i.name.isNotEmpty)
            .length;
        if (originalItemsCount == 0) {
          return;
        }
        _currentItemName = item.name;
        final Color segColor =
            _rouletteColors[i % originalItemsCount % _rouletteColors.length];
        if (_animationController.isAnimating && Model.fixBackColor) {
          _currentBackgroundColor = _fixedBgColor;
        } else {
          _currentBackgroundColor = segColor;
        }
        return;
      }
      currentAngleSum += sweepAngle;
    }
  }

  void _determineWinner() {
    final double finalAngle = _animation.value; // This is 0-360 degrees
    // Assuming the pointer is at the "top" of the wheel, which is 0 degrees if we consider the top as the reference.
    // The animation value is the total rotation.
    // We need to find which segment is at the 0-degree mark after the rotation.

    // The angle on the unrotated wheel that is now at the pointer (top = 270 degrees).
    // If the wheel rotated by `finalAngle` clockwise, then the segment that was originally at `(270 - finalAngle) % 360` is now at the top.
    // Our drawing logic has 0 degrees on the right. So top is 270.
    double effectiveAngle = (360 - (finalAngle % 360) + 270) % 360;
    double currentAngle = 0.0;
    final List<RouletteItem> activeItems = _getActiveItems();
    double totalRate = activeItems.fold(0.0, (sum, item) => sum + item.rate);
    if (totalRate == 0) {
      setState(() {
        _rouletteResult = AppLocalizations.of(context)!.noItemsToSpin;
      });
      return;
    }
    for (int i = 0; i < activeItems.length; i++) {
      final item = activeItems[i];
      final double sweepAngle = (item.rate / totalRate) * 360; // in degrees
      if (effectiveAngle >= currentAngle &&
          effectiveAngle < currentAngle + sweepAngle) {
        setState(() {
          final originalItemsCount = Model.rouletteItems
            .where((i) => i.name.isNotEmpty)
            .length;
          if (originalItemsCount == 0) {
            return;
          }
          _rouletteResult = item.name;
          _currentItemName = item.name;
          _currentBackgroundColor = _rouletteColors[i % originalItemsCount % _rouletteColors.length];
          if (Model.ttsEnabled && Model.ttsVolume > 0.0) {
            TextToSpeech.speak(item.name);
          }
        });
        return;
      }
      currentAngle += sweepAngle;
    }
    setState(() {
      _rouletteResult = AppLocalizations.of(context)!.errorDeterminingWinner;
    });
  }

  void _updateColorAndItemNameForAngle(double angle) {
    // This method calculates the color and item name for a given angle.
    double effectiveAngle = (360 - (angle % 360) + 270) % 360;
    double currentAngleSum = 0.0;
    final List<RouletteItem> activeItems = _getActiveItems();
    double totalRate = activeItems.fold(0.0, (sum, item) => sum + item.rate);
    if (totalRate == 0) {
      setState(() {
        _currentItemName = AppLocalizations.of(context)?.noItemsToSpin;
        _currentBackgroundColor = null; // Or a default color
      });
      return;
    }
    for (int i = 0; i < activeItems.length; i++) {
      final item = activeItems[i];
      final double sweepAngle = (item.rate / totalRate) * 360;
      if (effectiveAngle >= currentAngleSum &&
          effectiveAngle < currentAngleSum + sweepAngle) {
        setState(() {
          final originalItemsCount = Model.rouletteItems
              .where((i) => i.name.isNotEmpty)
              .length;
          if (originalItemsCount == 0) return;

          // When the wheel is not spinning, this sets the result.
          if (!_animationController.isAnimating) {
            _rouletteResult = item.name;
          }
          _currentItemName = item.name;
          _currentBackgroundColor =
              _rouletteColors[i % originalItemsCount % _rouletteColors.length];
        });
        return;
      }
      currentAngleSum += sweepAngle;
    }
  }

  Future<void> _openSetting() async {
    final updated = await Navigator.push<bool>(
      context,
      MaterialPageRoute(builder: (_) => const SettingPage()),
    );
    if (mounted && updated == true) {
      MainApp.of(context).rebuildApp();
      _themeColor = ThemeColor(themeNumber: Model.themeNumber, context: context);
      _updateColorAndItemNameForAngle(_animation.value);
      _wakelock();
      await TextToSpeech.applyPreferences(Model.ttsVoiceId,Model.ttsVolume);
    }
    if (mounted) {
      setState(() {});
    }
  }

  @override
  Widget build(BuildContext context) {
    if (!_isReady) {
      return LoadingScreen();
    }
    final l = AppLocalizations.of(context)!;
    final double textSizeResult = 48 * Model.textSizeAdjustResult / 100.0;
    final double textSizeRoulette = 16 * Model.textSizeAdjustRoulette / 100.0;
    return AnimatedBuilder(
      animation: _animationController,
      builder: (context, child) {
        _updateCurrentItem();
        return Scaffold(
          backgroundColor: _currentBackgroundColor,
          appBar: AppBar(
            backgroundColor: _currentBackgroundColor,
            elevation: 0,
            actions: [
              IconButton(
                icon: Icon(Icons.settings, color: _themeColor.mainForeColor),
                onPressed: _openSetting,
              ),
              const SizedBox(width: 10),
            ],
          ),
          body: SafeArea(
            child: Stack(
              children: [
                Column(
                  children: [
                    Visibility(
                      visible: _animationController.isAnimating || _rouletteResult != null,
                      maintainState: true,
                      maintainAnimation: true,
                      maintainSize: true,
                      child: Padding(
                        padding: const EdgeInsets.only(left: 16, right: 16, top: 0, bottom: 10),
                        child: Text(
                          _animationController.isAnimating
                            ? (_currentItemName ?? '') : (_rouletteResult ?? ''),
                          style: GoogleFonts.outfit(
                            fontSize: textSizeResult,
                            height: 1.0,
                            color: _themeColor.mainResultForeColor,
                            fontWeight: FontWeight.w700,
                          ),
                          textAlign: TextAlign.center,
                        ),
                      ),
                    ),
                    Expanded(
                      flex: 5,
                      child: Stack(
                        children: [
                          Positioned.fill(
                            child: Center(
                              child: CustomPaint(
                                painter: RoulettePainter(
                                  animationValue: _animation.value,
                                  activeItems: _getActiveItems(),
                                  rouletteColors: _rouletteColors,
                                  rouletteDarkColors: _rouletteDarkColors,
                                  fontSize: textSizeRoulette,
                                  progress: _animationController.value,
                                ),
                                child: Container(),
                              ),
                            ),
                          ),
                          Positioned.fill(
                            child: Align(
                              alignment: Alignment.center,
                              child: AnimatedOpacity(
                                opacity: _animationController.isAnimating ? 0.0 : 1.0,
                                duration: const Duration(milliseconds: 600),
                                child: GestureDetector(
                                  onTap: _onClickStart,
                                  child: Container(
                                    width: 100,
                                    height: 100,
                                    decoration: BoxDecoration(
                                      color: const Color.fromRGBO(0,0,0,0.6),
                                      shape: BoxShape.circle,
                                    ),
                                    alignment: Alignment.center,
                                    child: Text(
                                      l.rouletteStart,
                                      style: Theme.of(context)
                                        .textTheme
                                        .bodyLarge
                                        ?.copyWith(color: Colors.white),
                                    ),
                                  ),
                                ),
                              ),
                            ),
                          ),
                        ],
                      ),
                    ),
                    const Spacer(flex: 1),
                  ],
                ),
              ],
            ),
          ),
          bottomNavigationBar: AdBannerWidget(adManager: MainApp.of(context).adManager),
        );
      },
    );
  }
}
/// Copyright© ao-system, Inc.

import 'dart:math';
import 'package:flutter/material.dart';

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

  @override
  State<LoadingScreen> createState() => _LoadingScreenState();
}

class _LoadingScreenState extends State<LoadingScreen> with SingleTickerProviderStateMixin {
  late AnimationController _animationController;

  @override
  void initState() {
    super.initState();
    final randomStart = Random().nextDouble();
    _animationController = AnimationController(
      vsync: this,
      duration: const Duration(seconds: 6),
      value: randomStart,
    )..repeat();
  }

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

  Color _rainbowColor(double value) {
    final hue = _animationController.value * 360;
    return HSVColor.fromAHSV(1, hue, 1, value).toColor();
  }

  @override
  Widget build(BuildContext context) {
    final barHeight = MediaQuery.of(context).size.height * 0.4;
    return AnimatedBuilder(
      animation: _animationController,
      builder: (context, _) {
        final foreColor = _rainbowColor(1.0);
        final backColor = _rainbowColor(0.08);
        return Scaffold(
          backgroundColor: backColor,
          body: Center(
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                SizedBox(
                  height: barHeight,
                  child: RotatedBox(
                    quarterTurns: -1,
                    child: LinearProgressIndicator(
                      minHeight: 1,
                      valueColor: AlwaysStoppedAnimation(foreColor),
                      backgroundColor: Colors.transparent,
                    ),
                  ),
                ),
                const SizedBox(height: 5),
                Text(
                  'LOADING',
                  style: TextStyle(
                    color: foreColor,
                    fontSize: 18,
                    letterSpacing: 16,
                  ),
                ),
                const SizedBox(height: 5),
                SizedBox(
                  height: barHeight,
                  child: RotatedBox(
                    quarterTurns: 1,
                    child: LinearProgressIndicator(
                      minHeight: 1,
                      valueColor: AlwaysStoppedAnimation(foreColor),
                      backgroundColor: Colors.transparent,
                    ),
                  ),
                ),
              ],
            ),
          ),
        );
      },
    );
  }
}
/// Copyright© ao-system, Inc.

import 'dart:async';
import 'dart:io';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:google_mobile_ads/google_mobile_ads.dart';

import 'package:roulette/home_page.dart';
import 'package:roulette/l10n/app_localizations.dart';
import 'package:roulette/model.dart';
import 'package:roulette/theme_mode_number.dart';
import 'package:roulette/parse_locale_tag.dart';
import 'package:roulette/loading_screen.dart';
import 'package:roulette/ad_ump_status.dart';
import 'package:roulette/att_service.dart';
import 'package:roulette/ad_manager.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  //UI設定
  SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
  SystemChrome.setSystemUIOverlayStyle(
    const SystemUiOverlayStyle(
      systemNavigationBarColor: Colors.transparent,
      statusBarColor: Colors.transparent,
      systemNavigationBarContrastEnforced: false,
      systemStatusBarContrastEnforced: false,
    ),
  );
  runApp(const MainApp());
}

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

  static MainAppState of(BuildContext context) {
    return context.findAncestorStateOfType<MainAppState>()!;
  }

  @override
  State<MainApp> createState() => MainAppState();
}

class MainAppState extends State<MainApp> {
  late final AdManager adManager;
  ThemeMode _themeMode = ThemeMode.system;
  Locale? _locale;
  bool _hasError = false;
  bool _isReady = false;

  @override
  void initState() {
    super.initState();
    _initState();
  }

  void _initState() async {
    try {
      //ad
      adManager = AdManager();
      //アプリの基本データ
      await Model.ensureReady();
      //ATT
      //iOSは「アプリがactive/resumed状態」でないとrequestTrackingがダイアログを出さず即座にnotDeterminedを返すため、ライフサイクルがresumedになるまで待つ。
      //(iOSは「設定→トラッキング」でトグルを変えるとアプリプロセスをkillして再起動するので、起動時にgetTrackingStatusを読めば常に最新の値が手に入る)
      if (!kIsWeb && Platform.isIOS) {
        if (await _waitForResumed()) {
          final attService = AttService();
          //未決定(初回起動)のときだけダイアログ表示。既に決定済みならスキップ。
          if (await attService.getTrackingStatus() == AttStatus.notDetermined) {
            await attService.requestTracking();
          }
        }
      }
      //UMP(ATTの後)
      final adUmpConsentController = AdUmpConsentController();
      await adUmpConsentController.updateConsentInfo();
      //Mobile Ads SDK(同意確定後)
      await MobileAds.instance.initialize();
      //自前の広告設定
      await AdManager.initForNPA();
      //UI更新
      if (mounted) {
        setState(() {
          _themeMode = ThemeModeNumber.numberToThemeMode(Model.themeNumber);
          _locale = parseLocaleTag(Model.languageCode);
          _isReady = true;
        });
      }
    } catch (e) {
      if (mounted) {
        setState(() {
          _hasError = true;
        });
      }
    }
  }

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

  //アプリがactive/resumed状態になるまで待つ。すでにresumedならすぐにtrueを返す。タイムアウト時はfalse。
  Future<bool> _waitForResumed({
    Duration timeout = const Duration(seconds: 5),
  }) async {
    final binding = WidgetsBinding.instance;
    if (binding.lifecycleState == AppLifecycleState.resumed) {
      return true;
    }
    final completer = Completer<bool>();
    late final AppLifecycleListener listener;
    listener = AppLifecycleListener(
      onStateChange: (state) {
        if (state == AppLifecycleState.resumed && !completer.isCompleted) {
          completer.complete(true);
        }
      },
    );
    try {
      return await completer.future.timeout(timeout, onTimeout: () => false);
    } finally {
      listener.dispose();
    }
  }

  void rebuildApp() {
    setState(() {
      _themeMode = ThemeModeNumber.numberToThemeMode(Model.themeNumber);
      _locale = parseLocaleTag(Model.languageCode);
    });
  }

  ThemeData _createTheme(Brightness brightness, Color seed) {
    final colorScheme = ColorScheme.fromSeed(seedColor: seed, brightness: brightness);
    return ThemeData(
      useMaterial3: true,
      colorScheme: colorScheme,
      appBarTheme: const AppBarTheme(backgroundColor: Colors.transparent),
      elevatedButtonTheme: ElevatedButtonThemeData(
        style: ElevatedButton.styleFrom(
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
        ),
      ),
      sliderTheme: SliderThemeData(
        showValueIndicator: ShowValueIndicator.onDrag,
        valueIndicatorTextStyle: TextStyle(
          color: brightness == Brightness.light ? Colors.white : Colors.black,
        ),
      ),
      outlinedButtonTheme: OutlinedButtonThemeData(
        style: OutlinedButton.styleFrom(
          side: BorderSide(color: colorScheme.primary),
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
        ),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    if (_hasError) {
      return _buildErrorMessage();
    }
    Color seed = Color.fromRGBO(96,125,139,1);
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      localizationsDelegates: AppLocalizations.localizationsDelegates,
      supportedLocales: AppLocalizations.supportedLocales,
      locale: _locale,
      themeMode: _themeMode,
      theme: _createTheme(Brightness.light, seed),
      darkTheme: _createTheme(Brightness.dark, seed),
      home: _isReady ? const MainHomePage() : const Scaffold(body: LoadingScreen()),
    );
  }

  Widget _buildErrorMessage() {
    return const MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: Center(
          child: Padding(
            padding: EdgeInsets.all(24.0),
            child: Text(
              'Initialization failed. Please restart the app.',
              textAlign: TextAlign.center,
            ),
          ),
        ),
      ),
    );
  }

}
/// Copyright© ao-system, Inc.

import 'dart:ui' as ui;
import 'package:shared_preferences/shared_preferences.dart';

import 'package:roulette/roulette_item.dart';
import 'package:roulette/l10n/app_localizations.dart';

class Model {
  Model._();

  static const String _prefItemName = 'itemName';  //0-19 e.g. itemName5
  static const String _prefItemRate = 'itemRate';  //0-19
  static const String _prefItemSplit= 'itemSplit';
  static const String _prefFixBackColor = 'fixBackColor';
  static const String _prefRotationTime = 'rotationTime';
  static const String _prefRotationShort = 'rotationShort';
  static const String _prefTextSizeAdjustResult = 'textSizeAdjustResult';
  static const String _prefTextSizeAdjustRoulette = 'textSizeAdjustRoulette';
  static const String _prefTtsEnabled = 'ttsEnabled';
  static const String _prefTtsVoiceId = 'ttsVoiceId';
  static const String _prefTtsVolume = 'ttsVolume';
  static const String _prefWakelockEnabled = 'wakelockEnabled';
  static const String _prefThemeNumber = 'themeNumber';    // 0|1|2
  static const String _prefLanguageCode = 'languageCode';  // e.g. ja
  
  static bool _ready = false;
  static final List<RouletteItem> _rouletteItems = [
    RouletteItem('Item 1',1.0), //0
    RouletteItem('Item 2',1.0), //1
    RouletteItem('Item 3',1.0), //2
    RouletteItem('Item 4',1.0), //3
    RouletteItem('Item 5',1.0),
    RouletteItem('',1.0),
    RouletteItem('',1.0),
    RouletteItem('',1.0),
    RouletteItem('',1.0),
    RouletteItem('',1.0),
    RouletteItem('',1.0), //10
    RouletteItem('',1.0),
    RouletteItem('',1.0),
    RouletteItem('',1.0),
    RouletteItem('',1.0),
    RouletteItem('',1.0),
    RouletteItem('',1.0),
    RouletteItem('',1.0),
    RouletteItem('',1.0),
    RouletteItem('',1.0), //19
  ];
  static bool _itemSplit = false;
  static bool _fixBackColor = false;
  static int _rotationTime = 1;
  static bool _rotationShort = false;
  static int _textSizeAdjustResult = 100;
  static int _textSizeAdjustRoulette = 100;
  static bool _ttsEnabled = true;
  static double _ttsVolume = 1.0;
  static String _ttsVoiceId = '';
  static bool _wakelockEnabled = false;
  static int _themeNumber = 0;
  static String _languageCode = ''; //e.g. ja

  static bool get ready => _ready;
  static List<RouletteItem> get rouletteItems => _rouletteItems;
  static bool get itemSplit => _itemSplit;
  static bool get fixBackColor => _fixBackColor;
  static int get rotationTime => _rotationTime;
  static bool get rotationShort => _rotationShort;
  static int get textSizeAdjustResult => _textSizeAdjustResult;
  static int get textSizeAdjustRoulette => _textSizeAdjustRoulette;
  static bool get ttsEnabled => _ttsEnabled;
  static String get ttsVoiceId => _ttsVoiceId;
  static double get ttsVolume => _ttsVolume;
  static bool get wakelockEnabled => _wakelockEnabled;
  static int get themeNumber => _themeNumber;
  static String get languageCode => _languageCode;

  static Future<void> ensureReady() async {
    if (_ready) {
      return;
    }
    final prefs = await SharedPreferences.getInstance();
    //
    if (await _hasLegacyKey(prefs)) {
      _ready = true;
      return; //古いキーが有った場合は古いキーを削除して初期値を使用する。
    }
    //
    String tmpNameSum = '';
    for (int i = 0; i < 5; i++) {   //5個の記録が有るか?
      tmpNameSum += prefs.getString("$_prefItemName$i") ?? '';
    }
    if (tmpNameSum != '') {   //5個の記録が有れば読み込む。無ければ初期値を使用
      for (int i = 0; i < _rouletteItems.length; i++) {
        final String name = prefs.getString("$_prefItemName$i") ?? '';
        final double rate = prefs.getDouble("$_prefItemRate$i") ?? 1.0;
        _rouletteItems[i] = RouletteItem(name, rate);
      }
    }
    //
    _itemSplit = prefs.getBool(_prefItemSplit) ?? false;
    _fixBackColor = prefs.getBool(_prefFixBackColor) ?? false;
    _rotationTime = (prefs.getInt(_prefRotationTime) ?? 1).clamp(1,15);
    _rotationShort = prefs.getBool(_prefRotationShort) ?? false;
    _textSizeAdjustResult = (prefs.getInt(_prefTextSizeAdjustResult) ?? 100).clamp(41,1070);
    _textSizeAdjustRoulette = (prefs.getInt(_prefTextSizeAdjustRoulette) ?? 100).clamp(41,1070);
    _ttsEnabled = prefs.getBool(_prefTtsEnabled) ?? true;
    _ttsVoiceId = prefs.getString(_prefTtsVoiceId) ?? '';
    _ttsVolume = (prefs.getDouble(_prefTtsVolume) ?? 1.0).clamp(0.0, 1.0);
    _wakelockEnabled = prefs.getBool(_prefWakelockEnabled) ?? false;
    _themeNumber = (prefs.getInt(_prefThemeNumber) ?? 0).clamp(0, 2);
    _languageCode = prefs.getString(_prefLanguageCode) ?? ui.PlatformDispatcher.instance.locale.languageCode;
    _languageCode = _resolveLanguageCode(_languageCode);
    _ready = true;
  }

  static String _resolveLanguageCode(String code) {
    final supported = AppLocalizations.supportedLocales;
    if (supported.any((l) => l.languageCode == code)) {
      return code;
    } else {
      return '';
    }
  }

  static Future<bool> _hasLegacyKey(SharedPreferences prefs) async {
    if (prefs.getDouble('maxSpeedDuration') == null) {
      return false;  //古いキーが無い
    }
    await prefs.clear();  //全てのキーを削除
    return true; //古いキーが有った
  }

  static Future<void> setRouletteItem(RouletteItem value, int idx) async {
    _rouletteItems[idx] = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setString("$_prefItemName$idx", value.name);
    await prefs.setDouble("$_prefItemRate$idx", value.rate);
  }

  static Future<void> setItemSplit(bool value) async {
    _itemSplit = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefItemSplit, value);
  }

  static Future<void> setFixBackColor(bool value) async {
    _fixBackColor = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefFixBackColor, value);
  }

  static Future<void> setRotationTime(int value) async {
    _rotationTime = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefRotationTime, value);
  }

  static Future<void> setRotationShort(bool value) async {
    _rotationShort = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefRotationShort, value);
  }

  static Future<void> setTextSizeAdjustResult(int value) async {
    _textSizeAdjustResult = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefTextSizeAdjustResult, value);
  }

  static Future<void> setTextSizeAdjustRoulette(int value) async {
    _textSizeAdjustRoulette = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefTextSizeAdjustRoulette, value);
  }

  static Future<void> setTtsEnabled(bool value) async {
    _ttsEnabled = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefTtsEnabled, value);
  }

  static Future<void> setTtsVoiceId(String value) async {
    _ttsVoiceId = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setString(_prefTtsVoiceId, value);
  }

  static Future<void> setTtsVolume(double value) async {
    _ttsVolume = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setDouble(_prefTtsVolume, value);
  }

  static Future<void> setWakelockEnabled(bool value) async {
    _wakelockEnabled = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefWakelockEnabled, value);
  }

  static Future<void> setThemeNumber(int value) async {
    _themeNumber = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefThemeNumber, value);
  }

  static Future<void> setLanguageCode(String value) async {
    _languageCode = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setString(_prefLanguageCode, value);
  }

}
/// Copyright© ao-system, Inc.

import 'dart:ui';

Locale? parseLocaleTag(String tag) {
  if (tag.isEmpty) {
    return null;
  }
  final parts = tag.split('-');
  final language = parts[0];
  String? script, country;
  if (parts.length >= 2) {
    parts[1].length == 4 ? script = parts[1] : country = parts[1];
  }
  if (parts.length >= 3) {
    parts[2].length == 4 ? script = parts[2] : country = parts[2];
  }
  return Locale.fromSubtags(
    languageCode: language,
    scriptCode: script,
    countryCode: country,
  );
}
/// Copyright© ao-system, Inc.


class RouletteItem {
  final String name;
  final double rate;

  const RouletteItem(this.name, this.rate);

  RouletteItem copyWith({String? name, double? rate}) {
    return RouletteItem(
      name ?? this.name,
      rate ?? this.rate,
    );
  }

}
/// Copyright© ao-system, Inc.

import 'dart:math';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';

import 'package:roulette/roulette_item.dart';
import 'package:roulette/model.dart';

class RoulettePainter extends CustomPainter {
  final double animationValue;
  final List<RouletteItem> activeItems;
  final List<Color> rouletteColors;
  final List<Color> rouletteDarkColors;
  final double fontSize;
  final double progress;

  RoulettePainter({
    required this.animationValue,
    required this.activeItems,
    required this.rouletteColors,
    required this.rouletteDarkColors,
    required this.fontSize,
    required this.progress,
  });

  @override
  void paint(Canvas canvas, Size size) {
    // Implement roulette drawing logic here based on CustomSurfaceView.kt
    // This is a placeholder for now.
    final double centerX = size.width / 2;
    final double centerY = size.height / 2;
    final double radius = min(centerX, centerY) * 0.8;

    final Paint whitePaint = Paint()..color = Colors.white;
    final double gap = pi / 180; // 1 degree in radians
    canvas.drawArc(
      Rect.fromCircle(center: Offset(centerX, centerY), radius: radius + 5),
      -pi / 2 + gap / 2, // Start angle (top is -pi/2), offset by half the gap
      2 * pi - gap, // Sweep angle (359 degrees)
      true,
      whitePaint,
    );
    final Paint whitePaintThin = Paint()..color = Colors.white24;
    canvas.drawArc(
      Rect.fromCircle(center: Offset(centerX, centerY), radius: radius + 60),
      -pi / 2, // 開始角度(上方向)
      progress * (2 * pi),
      true,
      whitePaintThin,
    );

    double startAngle = animationValue * (pi / 180); // Convert degrees to radians

    // Filter out empty items and calculate total rate for active items
    double totalRate = activeItems.fold(0.0, (sum, item) => sum + item.rate);
    if (totalRate == 0) {
      return;
    }

    final originalItemsCount = Model.rouletteItems.where((i) => i.name.isNotEmpty).length;
    if (originalItemsCount == 0) {
      return;
    }

    for (int i = 0; i < activeItems.length; i++) {
      final item = activeItems[i];

      final double sweepAngle = (item.rate / totalRate) * 2 * pi;

      final Paint segmentPaint = Paint()..color = rouletteColors[i % originalItemsCount % rouletteColors.length];
      canvas.drawArc(
        Rect.fromCircle(center: Offset(centerX, centerY), radius: radius),
        startAngle,
        sweepAngle,
        true,
        segmentPaint,
      );

      final Paint darkSegmentPaint = Paint()..color = rouletteDarkColors[i % originalItemsCount % rouletteDarkColors.length];
      canvas.drawArc(
        Rect.fromCircle(center: Offset(centerX, centerY), radius: radius / 2),
        startAngle,
        sweepAngle,
        true,
        darkSegmentPaint,
      );

      // Draw text
      final double textAngle = startAngle + sweepAngle / 2;
      final double textRadius = radius * 0.8;
      final double textX = centerX + textRadius * cos(textAngle);
      final double textY = centerY + textRadius * sin(textAngle);

      final TextPainter textPainter = TextPainter(
        text: TextSpan(
          text: item.name,
          style: TextStyle(color: Colors.black, fontSize: fontSize),
        ),
        textDirection: TextDirection.ltr,
      );
      textPainter.layout();
      canvas.save();
      canvas.translate(textX, textY);
      canvas.rotate(textAngle + pi / 2); // Rotate text to align with segment
      textPainter.paint(canvas, Offset(-textPainter.width / 2, -textPainter.height / 2));
      canvas.restore();

      startAngle += sweepAngle;
    }
  }

  @override
  bool shouldRepaint(covariant RoulettePainter oldDelegate) {
    return oldDelegate.animationValue != animationValue ||
        !listEquals(oldDelegate.activeItems, activeItems);
  }
}
/// Copyright© ao-system, Inc.

import 'package:flutter/material.dart';

import 'package:roulette/theme_color.dart';
import 'package:roulette/model.dart';

/// 設定画面専用のカスタムCardウィジェット
class SettingCard extends StatelessWidget {
  final Widget child;
  final ShapeBorder shape;
  final EdgeInsetsGeometry margin;

  const SettingCard({
    super.key,
    required this.child,
    this.margin = const EdgeInsets.only(left: 0, top: 12, right: 0, bottom: 0),
  }) : shape = const RoundedRectangleBorder(
    borderRadius: BorderRadius.all(Radius.circular(12)),
  );

  const SettingCard.top({
    super.key,
    required this.child,
    this.margin = const EdgeInsets.only(left: 0, top: 12, right: 0, bottom: 0),
  }) : shape = const RoundedRectangleBorder(
    borderRadius: BorderRadius.only(
      topLeft: Radius.circular(12),
      topRight: Radius.circular(12),
      bottomLeft: Radius.circular(0),
      bottomRight: Radius.circular(0),
    ),
  );

  const SettingCard.flat({
    super.key,
    required this.child,
    this.margin = const EdgeInsets.only(left: 0, top: 2, right: 0, bottom: 0),
  }) : shape = const RoundedRectangleBorder(
    borderRadius: BorderRadius.only(
      topLeft: Radius.circular(0),
      topRight: Radius.circular(0),
      bottomLeft: Radius.circular(0),
      bottomRight: Radius.circular(0),
    ),
  );

  const SettingCard.bottom({
    super.key,
    required this.child,
    this.margin = const EdgeInsets.only(left: 0, top: 2, right: 0, bottom: 0),
  }) : shape = const RoundedRectangleBorder(
    borderRadius: BorderRadius.only(
      topLeft: Radius.circular(0),
      topRight: Radius.circular(0),
      bottomLeft: Radius.circular(12),
      bottomRight: Radius.circular(12),
    ),
  );

  @override
  Widget build(BuildContext context) {
    final themeColor = ThemeColor(
      themeNumber: Model.themeNumber,
      context: context,
    );
    return SizedBox(
      width: double.infinity,
      child: Card(
        elevation: 0,
        margin: margin,
        surfaceTintColor: Colors.transparent,
        shadowColor: Colors.transparent,
        color: themeColor.cardColor,
        shape: shape,
        child: child,
      ),
    );
  }
}
/// Copyright© ao-system, Inc.

import 'dart:async';
import 'dart:io';
import 'dart:math';
import 'package:app_settings/app_settings.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:google_mobile_ads/google_mobile_ads.dart';
import 'package:in_app_review/in_app_review.dart';

import "package:roulette/setting_card.dart";
import 'package:roulette/l10n/app_localizations.dart';
import 'package:roulette/ad_banner_widget.dart';
import 'package:roulette/ad_ump_status.dart';
import 'package:roulette/theme_color.dart';
import 'package:roulette/roulette_item.dart';
import 'package:roulette/model.dart';
import 'package:roulette/text_to_speech.dart';
import 'package:roulette/loading_screen.dart';
import 'package:roulette/_secrets.dart';
import 'package:roulette/main.dart';
import 'package:roulette/att_service.dart';

class SettingPage extends StatefulWidget {
  const SettingPage({super.key});
  @override
  State<SettingPage> createState() => _SettingPageState();
}

class _SettingPageState extends State<SettingPage> {
  AdUmpState _adUmpState = AdUmpState.initial;
  late final AdUmpService _adUmpService;
  late ThemeColor _themeColor;
  final _inAppReview = InAppReview.instance;
  bool _wakelockEnabled = true;
  int _themeNumber = 0;
  String _languageCode = '';
  bool _isReady = false;
  //
  final List<TextEditingController> _nameControllers = [];
  final List<TextEditingController> _rateControllers = [];
  int _visibleItemIndex = 5;
  bool _itemSplit = false;
  bool _fixBackColor = false;
  int _rotationTime = 1;
  bool _rotationShort = false;
  int _textSizeAdjustResult = 100;
  int _textSizeAdjustRoulette = 100;
  bool _ttsEnabled = true;
  String _ttsVoiceId = '';
  double _ttsVolume = 1.0;
  static const List<int> _percentOptions = [
    41,
    51,
    64,
    80,
    100,
    120,
    144,
    173,
    207,
    249,
    299,
    358,
    430,
    516,
    619,
    743,
    892,
    1070
  ];

  @override
  void initState() {
    super.initState();
    _initState();
  }

  void _initState() async {
    //ump
    _adUmpService = AdUmpService();
    await _refreshConsentInfo();
    //model
    for (int i = 0; i < Model.rouletteItems.length; i++) {
      if (Model.rouletteItems[i].name.isNotEmpty) {
        _visibleItemIndex = i;
      }
    }
    _visibleItemIndex = max(4, _visibleItemIndex);
    for (int i = 0; i < Model.rouletteItems.length; i++) {
      _nameControllers.add(TextEditingController(text: Model.rouletteItems[i].name));
      _rateControllers.add(TextEditingController(text: Model.rouletteItems[i].rate.toString()));
    }
    //
    _itemSplit = Model.itemSplit;
    _fixBackColor = Model.fixBackColor;
    _rotationTime = Model.rotationTime;
    _rotationShort = Model.rotationShort;
    _textSizeAdjustResult = Model.textSizeAdjustResult;
    _textSizeAdjustRoulette = Model.textSizeAdjustRoulette;
    _ttsEnabled = Model.ttsEnabled;
    _ttsVoiceId = Model.ttsVoiceId;
    _ttsVolume = Model.ttsVolume;
    _wakelockEnabled = Model.wakelockEnabled;
    _themeNumber = Model.themeNumber;
    _languageCode = Model.languageCode;
    //speech
    await TextToSpeech.applyPreferences(Model.ttsVoiceId,Model.ttsVolume);
    setState(() {
      _isReady = true;
    });
  }

  @override
  void dispose() {
    for (var controller in _nameControllers) {
      controller.dispose();
    }
    for (var controller in _rateControllers) {
      controller.dispose();
    }
    unawaited(TextToSpeech.stop());
    super.dispose();
  }

  @override
  void didChangeDependencies() {
    super.didChangeDependencies();
    _themeColor = ThemeColor(themeNumber: Model.themeNumber, context: context);
  }

  Future<void> _refreshConsentInfo() async {
    final AdUmpState newState = await _adUmpService.updateConsentInfo(_adUmpState);
    if (mounted) {
      setState(() { _adUmpState = newState; });
    }
  }

  void _onApply() async {
    FocusScope.of(context).unfocus();
    for (int i = 0; i < Model.rouletteItems.length; i++) {
      final name = _nameControllers[i].text;
      final rate = double.tryParse(_rateControllers[i].text) ?? 1.0;
      await Model.setRouletteItem(RouletteItem(name,rate),i);
    }
    await Model.setItemSplit(_itemSplit);
    await Model.setFixBackColor(_fixBackColor);
    await Model.setRotationTime(_rotationTime);
    await Model.setRotationShort(_rotationShort);
    await Model.setTextSizeAdjustResult(_textSizeAdjustResult);
    await Model.setTextSizeAdjustRoulette(_textSizeAdjustRoulette);
    await Model.setTtsEnabled(_ttsEnabled);
    await Model.setTtsVoiceId(_ttsVoiceId);
    await Model.setTtsVolume(_ttsVolume);
    await Model.setWakelockEnabled(_wakelockEnabled);
    await Model.setThemeNumber(_themeNumber);
    await Model.setLanguageCode(_languageCode);
    if (!mounted) {
      return;
    }
    Navigator.of(context).pop(true);
  }

  int _nearestIndexForScale(int scale) {
    for (int i = 0; i < _percentOptions.length; i++) {
      if (_percentOptions[i] == scale) {
        return i;
      } else if (_percentOptions[i] >= scale) {
        return max(0, i - 1);
      }
    }
    return 0;
  }

  int _scaleForIndex(int index) {
    final i = index.clamp(0, _percentOptions.length - 1).toInt();
    return _percentOptions[i];
  }

  @override
  Widget build(BuildContext context) {
    if (!_isReady) {
      return const LoadingScreen();
    }
    final l = AppLocalizations.of(context)!;
    final TextTheme t = Theme.of(context).textTheme;
    return Scaffold(
      backgroundColor: _themeColor.backColor,
      appBar: AppBar(
        backgroundColor: Colors.transparent,
        elevation: 0,
        foregroundColor: _themeColor.appBarForegroundColor,
        leading: IconButton(
          icon: Icon(Icons.close, color: _themeColor.appBarForegroundColor),
          onPressed: () => Navigator.pop(context),
        ),
        actions: [
          IconButton(
            icon: Icon(Icons.check, color: _themeColor.appBarForegroundColor),
            onPressed: _onApply,
          ),
          const SizedBox(width: 10),
        ],
      ),
      body: GestureDetector(
        onTap: () => FocusScope.of(context).unfocus(),
        child: SafeArea(
          child: Column(
            children: [
              Expanded(
                child: SingleChildScrollView(
                  padding: const EdgeInsets.only(left: 12, right: 12, top: 4, bottom: 100),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.stretch,
                    children: [
                      _buildItemRatioCard(l, t),
                      _buildSplitItem(l, t),
                      _buildFixBackColor(l, t),
                      _buildRotationTime(l, t),
                      _buildTextSize(l, t),
                      _buildSpeechSettings(l, t),
                      _buildWakelockEnabled(l, t),
                      _buildTheme(l, t),
                      _buildLanguage(l, t),
                      _buildReview(l, t),
                      _buildCmp(l, t),
                      _buildAtt(l, t),
                    ],
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
      bottomNavigationBar: AdBannerWidget(adManager: MainApp.of(context).adManager),
    );
  }

  InputDecoration _inputDecoration({String? labelText, String? hintText}) {
    final radius = BorderRadius.circular(8);
    return InputDecoration(
      labelText: labelText,
      hintText: hintText,
      isDense: true,
      filled: true,
      fillColor: _themeColor.inputFillColor,
      contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
      border: OutlineInputBorder(
        borderRadius: radius,
        borderSide: BorderSide(color: _themeColor.borderColor),
      ),
      enabledBorder: OutlineInputBorder(
        borderRadius: radius,
        borderSide: BorderSide(color: _themeColor.borderColor),
      ),
      focusedBorder: OutlineInputBorder(
        borderRadius: radius,
        borderSide: BorderSide(color: Theme.of(context).colorScheme.primary),
      ),
    );
  }

  Widget _buildItemRatioCard(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: Padding(
        padding: const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(l.itemRatio, style: t.bodyMedium),
            const SizedBox(height: 12),
            Table(
              columnWidths: const {
                0: FlexColumnWidth(0.2),
                1: FlexColumnWidth(2),
                2: FlexColumnWidth(1),
              },
              border: TableBorder.all(color: Colors.transparent),
              children: List.generate(_visibleItemIndex + 1, (index) {
                return TableRow(
                  children: [
                    Padding(
                      padding: const EdgeInsets.only(top: 14),
                      child: Text('${index + 1}'),
                    ),
                    Padding(
                      padding: const EdgeInsets.only(top: 8),
                      child: TextField(
                        controller: _nameControllers[index],
                        decoration: _inputDecoration(),
                        keyboardType: TextInputType.text,
                      ),
                    ),
                    Padding(
                      padding: const EdgeInsets.only(top: 8, left: 6),
                      child: TextField(
                        controller: _rateControllers[index],
                        decoration: _inputDecoration(),
                        keyboardType: TextInputType.number,
                        inputFormatters: [
                          FilteringTextInputFormatter.allow(RegExp(r'[0-9.]')),
                        ],
                      ),
                    ),
                  ],
                );
              }),
            ),
            const SizedBox(height: 12),
            Center(
              child: IconButton(
                icon: const Icon(Icons.add_circle_outline),
                color: Theme.of(context).colorScheme.primary,
                onPressed: () {
                  setState(() {
                    _visibleItemIndex = min(19, _visibleItemIndex + 1);
                  });
                },
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildSplitItem(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
        title: Text(l.itemSplit, style: t.bodyMedium),
        trailing: Switch.adaptive(
          value: _itemSplit,
          onChanged: (value) {
            setState(() {
              _itemSplit = value;
            });
          },
        ),
      ),
    );
  }

  Widget _buildFixBackColor(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
        title: Text(l.fixBackColor, style: t.bodyMedium),
        trailing: Switch.adaptive(
          value: _fixBackColor,
          onChanged: (value) {
            setState(() {
              _fixBackColor = value;
            });
          },
        ),
      ),
    );
  }


  Widget _buildRotationTime(AppLocalizations l, TextTheme t) {
    return Column(
      children: [
        SettingCard.top(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
            title: Text(l.rotationTime, style: t.bodyMedium),
            subtitle: Row(
              children: [
                Text(_rotationTime.toStringAsFixed(0)),
                const SizedBox(width: 12),
                Expanded(
                  child: Slider(
                    value: _rotationTime.toDouble(),
                    min: 1.0,
                    max: 15.0,
                    divisions: 14,
                    label: _rotationTime.toStringAsFixed(0),
                    onChanged: (value) {
                      setState(() {
                        _rotationTime = value.toInt();
                      });
                    },
                  ),
                ),
              ],
            ),
          ),
        ),
        SettingCard.bottom(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
            title: Text(l.rotationShort, style: t.bodyMedium),
            trailing: Switch.adaptive(
              value: _rotationShort,
              onChanged: (value) {
                setState(() {
                  _rotationShort = value;
                });
              },
            ),
          ),
        ),
      ],
    );
  }


  Widget _buildTextSize(AppLocalizations l, TextTheme t) {
    return Column(
      children: [
        SettingCard.top(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
            title: Text(l.textSizeAdjustResult, style: t.bodyMedium),
            subtitle: Row(
              children: [
                Text('${_percentOptions[_nearestIndexForScale(_textSizeAdjustResult)]}%'),
                Expanded(
                  child: Slider(
                    value: _nearestIndexForScale(_textSizeAdjustResult).toDouble(),
                    min: 0,
                    max: (_percentOptions.length - 1).toDouble(),
                    divisions: _percentOptions.length - 1,
                    label: '${_percentOptions[_nearestIndexForScale(_textSizeAdjustResult)]}%',
                    onChanged: (value) {
                      final idx = value.round();
                      setState(() {
                        _textSizeAdjustResult = _scaleForIndex(idx);
                      });
                    },
                  ),
                ),
              ],
            ),
          ),
        ),
        SettingCard.bottom(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
            title: Text(l.textSizeAdjustRoulette, style: t.bodyMedium),
            subtitle: Row(
              children: [
                Text('${_percentOptions[_nearestIndexForScale(_textSizeAdjustRoulette)]}%'),
                Expanded(
                  child: Slider(
                    value: _nearestIndexForScale(_textSizeAdjustRoulette).toDouble(),
                    min: 0,
                    max: (_percentOptions.length - 1).toDouble(),
                    divisions: _percentOptions.length - 1,
                    label: '${_percentOptions[_nearestIndexForScale(_textSizeAdjustRoulette)]}%',
                    onChanged: (value) {
                      final idx = value.round();
                      setState(() {
                        _textSizeAdjustRoulette = _scaleForIndex(idx);
                      });
                    },
                  ),
                ),
              ],
            ),
          ),
        ),
      ],
    );
  }

  Widget _buildSpeechSettings(AppLocalizations l, TextTheme t) {
    if (TextToSpeech.ttsVoices.isEmpty) {
      return const SizedBox.shrink();
    }
    return Column(
      children: [
        SettingCard.top(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.ttsEnabled, style: t.bodyMedium),
            trailing: Switch(
              value: _ttsEnabled,
              onChanged: (value) {
                setState(() {
                  _ttsEnabled = value;
                });
              },
            ),
          ),
        ),
        SettingCard.flat(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.ttsVolume, style: t.bodyMedium),
            subtitle: Row(
              children: [
                Text(_ttsVolume.toStringAsFixed(1)),
                Expanded(
                  child: Slider(
                    value: _ttsVolume,
                    min: 0.0,
                    max: 1.0,
                    divisions: 10,
                    label: _ttsVolume.toStringAsFixed(1),
                    onChanged: _ttsEnabled
                        ? (value) {
                      setState(() {
                        _ttsVolume = double.parse(value.toStringAsFixed(1));
                      });
                    }
                        : null,
                  ),
                ),
              ],
            ),
          ),
        ),
        SettingCard.bottom(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: null,
            subtitle: DropdownButtonFormField<String>(
              initialValue: () {
                if (_ttsVoiceId.isNotEmpty && TextToSpeech.ttsVoices.any((o) => o.id == _ttsVoiceId)) {
                  return _ttsVoiceId;
                }
                return TextToSpeech.ttsVoices.first.id;
              }(),
              items: TextToSpeech.buildGroupedItems(),
              onChanged: (v) {
                if (v == null) {
                  return;
                }
                setState(() => _ttsVoiceId = v);
              },
            ),
          ),
        )
      ],
    );
  }

  Widget _buildWakelockEnabled(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        title: Text(l.wakelockEnabled, style: t.bodyMedium),
        trailing: Switch(
          value: _wakelockEnabled,
          onChanged: (value) {
            setState(() {
              _wakelockEnabled = value;
            });
          },
        ),
      ),
    );
  }

  Widget _buildTheme(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        minVerticalPadding: 0,
        title: Text(l.theme, style: t.bodyMedium),
        trailing: DropdownButton<int>(
          value: _themeNumber,
          items: [
            DropdownMenuItem(value: 0, child: Text(l.systemSetting)),
            DropdownMenuItem(value: 1, child: Text(l.lightTheme)),
            DropdownMenuItem(value: 2, child: Text(l.darkTheme)),
          ],
          onChanged: (value) {
            if (value != null) {
              setState(() {
                _themeNumber = value;
              });
            }
          },
        ),
      ),
    );
  }

  Widget _buildLanguage(AppLocalizations l, TextTheme t) {
    final Map<String,String> languageNames = {
      'af': 'af: Afrikaans',
      'ar': 'ar: العربية',
      'bg': 'bg: Български',
      'bn': 'bn: বাংলা',
      'bs': 'bs: Bosanski',
      'ca': 'ca: Català',
      'cs': 'cs: Čeština',
      'da': 'da: Dansk',
      'de': 'de: Deutsch',
      'el': 'el: Ελληνικά',
      'en': 'en: English',
      'es': 'es: Español',
      'et': 'et: Eesti',
      'fa': 'fa: فارسی',
      'fi': 'fi: Suomi',
      'fil': 'fil: Filipino',
      'fr': 'fr: Français',
      'gu': 'gu: ગુજરાતી',
      'he': 'he: עברית',
      'hi': 'hi: हिन्दी',
      'hr': 'hr: Hrvatski',
      'hu': 'hu: Magyar',
      'id': 'id: Bahasa Indonesia',
      'it': 'it: Italiano',
      'ja': 'ja: 日本語',
      //'jv': 'jv: Basa Jawa',    //flutterのサポート外
      'km': 'km: ខ្មែរ',
      'kn': 'kn: ಕನ್ನಡ',
      'ko': 'ko: 한국어',
      'lt': 'lt: Lietuvių',
      'lv': 'lv: Latviešu',
      'ml': 'ml: മലയാളം',
      'mr': 'mr: मराठी',
      'ms': 'ms: Bahasa Melayu',
      'my': 'my: မြန်မာ',
      'ne': 'ne: नेपाली',
      'nl': 'nl: Nederlands',
      'or': 'or: ଓଡ଼ିଆ',
      'pa': 'pa: ਪੰਜਾਬੀ',
      'pl': 'pl: Polski',
      'pt': 'pt: Português',
      'ro': 'ro: Română',
      'ru': 'ru: Русский',
      'si': 'si: සිංහල',
      'sk': 'sk: Slovenčina',
      'sr': 'sr: Српски',
      'sv': 'sv: Svenska',
      'sw': 'sw: Kiswahili',
      'ta': 'ta: தமிழ்',
      'te': 'te: తెలుగు',
      'th': 'th: ไทย',
      'tl': 'tl: Tagalog',
      'tr': 'tr: Türkçe',
      'uk': 'uk: Українська',
      'ur': 'ur: اردو',
      'uz': 'uz: Oʻzbekcha',
      'vi': 'vi: Tiếng Việt',
      'zh': 'zh: 中文',
      'zu': 'zu: isiZulu',
    };
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        minVerticalPadding: 0,
        title: Text(l.language, style: t.bodyMedium),
        trailing: DropdownButton<String?>(
          value: _languageCode,
          items: [
            DropdownMenuItem(value: '', child: Text('Default')),
            ...languageNames.entries.map((entry) => DropdownMenuItem<String?>(
              value: entry.key,
              child: Text(entry.value),
            )),
          ],
          onChanged: (String? value) {
            setState(() {
              _languageCode = value ?? '';
            });
          },
        ),
      ),
    );
  }

  Widget _buildReview(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        title: Text(l.reviewApp, style: t.bodyMedium),
        subtitle: Column(
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            const SizedBox(height: 8),
            OutlinedButton.icon(
              icon: const Icon(Icons.open_in_new, size: 16),
              label: Text(l.reviewStore, style: t.bodySmall),
              onPressed: () async {
                await _inAppReview.openStoreListing(
                  appStoreId: Secrets.appStoreId,
                );
              },
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildCmp(AppLocalizations l, TextTheme t) {
    final showButton = _adUmpState.privacyStatus == PrivacyOptionsRequirementStatus.required;
    String statusLabel = l.cmpCheckingRegion;
    IconData statusIcon = Icons.help_outline;
    switch (_adUmpState.privacyStatus) {
      case PrivacyOptionsRequirementStatus.required:
        statusLabel = l.cmpRegionRequiresSettings;
        statusIcon = Icons.privacy_tip_outlined;
        break;
      case PrivacyOptionsRequirementStatus.notRequired:
        statusLabel = l.cmpRegionNoSettingsRequired;
        statusIcon = Icons.check_circle_outline;
        break;
      case PrivacyOptionsRequirementStatus.unknown:
        statusLabel = l.cmpRegionCheckFailed;
        statusIcon = Icons.error_outline;
        break;
    }
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        title: Text(l.cmpSettingsTitle, style: t.bodyMedium),
        subtitle: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            const SizedBox(height: 8),
            Text(l.cmpConsentDescription, style: t.bodySmall),
            const SizedBox(height: 16),
            Center(
              child: Column(
                children: [
                  Chip(
                    avatar: Icon(statusIcon, size: 18),
                    label: Text(statusLabel),
                  ),
                  const SizedBox(height: 6),
                  Text(
                    '${l.cmpConsentStatusLabel} ${_adUmpState.consentStatus.localized(context)}',
                    style: t.bodySmall,
                  ),
                  if (_adUmpState.consentStatus == ConsentStatus.obtained) ...[
                    const SizedBox(height: 6),
                    Text(l.cmpConsentStatusObtainedNote, style: t.bodySmall),
                  ],
                  if (showButton) ...[
                    const SizedBox(height: 8),
                    ElevatedButton.icon(
                      onPressed: _adUmpState.isChecking
                          ? null
                          : () async {
                        try {
                          await _adUmpService.showPrivacyOptions();
                        } catch (e) {
                          //debugPrint('Privacy options error ignored: $e');
                        }
                        await _refreshConsentInfo();
                      },
                      icon: const Icon(Icons.settings),
                      label: Text(
                        _adUmpState.isChecking
                            ? l.cmpConsentStatusChecking
                            : l.cmpOpenConsentSettings,
                      ),
                    ),
                    const SizedBox(height: 8),
                    OutlinedButton.icon(
                      onPressed: _adUmpState.isChecking ? null : _refreshConsentInfo,
                      icon: const Icon(Icons.refresh),
                      label: Text(l.cmpRefreshStatus),
                    ),
                    const SizedBox(height: 8),
                    OutlinedButton.icon(
                      onPressed: () async {
                        final messenger = ScaffoldMessenger.of(context);
                        final message = l.cmpResetStatusDone;
                        await ConsentInformation.instance.reset();
                        if (!mounted) {
                          return;
                        }
                        setState(() {
                          _adUmpState = _adUmpState.copyWith(
                            consentStatus: ConsentStatus.unknown,
                          );
                        });
                        messenger.showSnackBar(SnackBar(content: Text(message)));
                      },
                      icon: const Icon(Icons.delete_sweep_outlined),
                      label: Text(l.cmpResetStatus),
                    ),
                  ],
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildAtt(AppLocalizations l, TextTheme t) {
    if (kIsWeb || !Platform.isIOS) {
      return const SizedBox.shrink();
    }
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        title: Text(l.attSettingsTitle, style: t.bodyMedium),
        subtitle: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            const SizedBox(height: 8),
            Text(l.attDescription, style: t.bodySmall),
            const SizedBox(height: 8),
            FutureBuilder<AttStatus>(
              future: AttService().getTrackingStatus(),
              builder: (context, snapshot) {
                if (snapshot.connectionState == ConnectionState.waiting) {
                  return Center(
                    child: Column(
                      children: [
                        Chip(
                          avatar: const Icon(Icons.hourglass_empty),
                          label: Text(l.attStatusChecking),
                        ),
                        const SizedBox(height: 8),
                        OutlinedButton.icon(
                          onPressed: null,
                          icon: const Icon(Icons.open_in_new),
                          label: Text(l.attOpenSettings),
                        ),
                      ],
                    ),
                  );
                }
                final status = snapshot.data ?? AttStatus.unknown;
                final label = status.name;
                return Center(
                  child: Column(
                    children: [
                      Chip(
                        avatar: const Icon(Icons.track_changes),
                        label: Text('${l.attStatusLabel} $label'),
                      ),
                      const SizedBox(height: 8),
                      OutlinedButton.icon(
                        onPressed: () => AppSettings.openAppSettings(),
                        icon: const Icon(Icons.open_in_new, size: 16),
                        label: Text(l.attOpenSettings, style: t.bodySmall),
                      ),
                    ],
                  ),
                );
              },
            ),
          ],
        ),
      ),
    );
  }

}
/// Copyright© ao-system, Inc.

/*
--- home_page.dart ---
import 'package:example/text_to_speech.dart';
class _MainHomePageState extends State<MainHomePage> {
  Future<void> _initState() async {
    await TextToSpeech.applyPreferences(Model.ttsVoiceId,Model.ttsVolume);
  }
  @override
  void dispose() {
    unawaited(TextToSpeech.stop());
  }
  void _ttsResult(String text) async {
    if (Model.ttsEnabled && Model.ttsVolume > 0.0) {
      await TextToSpeech.speak(text);
    }
  }
  Future<void> _openSetting() async {
      await TextToSpeech.applyPreferences(Model.ttsVoiceId,Model.ttsVolume);
  }
}
*/

/*
--- setting_page.dart ---
import 'package:example/text_to_speech.dart';
class _SettingPageState extends State<SettingPage> {
  bool _ttsEnabled = true;
  String _ttsVoiceId = '';
  double _ttsVolume = 1.0;
  Future<void> _initialize() async {
    //model
    _ttsEnabled = Model.ttsEnabled;
    _ttsVolume = Model.ttsVolume;
    _ttsVoiceId = Model.ttsVoiceId;
    //speech
    await TextToSpeech.applyPreferences(Model.ttsVoiceId,Model.ttsVolume);
  }
  @override
  void dispose() {
    unawaited(TextToSpeech.stop());
  }
  Future<void> _onApply() async {
    await Model.setTtsEnabled(_ttsEnabled);
    await Model.setTtsVoiceId(_ttsVoiceId);
    await Model.setTtsVolume(_ttsVolume);
  }
  Widget _buildSpeechSettings(AppLocalizations l, TextTheme t) {
    if (TextToSpeech.ttsVoices.isEmpty) {
      return SizedBox.shrink();
    }
    return Column(children:[
      SettingCard.bottom(
        child: ListTile(
          contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
          title: null,
          subtitle: DropdownButtonFormField<String>(
            initialValue: () {
              if (_ttsVoiceId.isNotEmpty && TextToSpeech.ttsVoices.any((o) => o.id == _ttsVoiceId)) {
                return _ttsVoiceId;
              }
              return TextToSpeech.ttsVoices.first.id;
            }(),
            items: TextToSpeech.buildGroupedItems(),
            onChanged: (v) {
              if (v == null) {
                return;
              }
              setState(() => _ttsVoiceId = v);
            },
          ),
        ),
      )
    ]
  }
}
*/

import 'dart:ui';

import 'package:flutter/material.dart';
import 'package:flutter_tts/flutter_tts.dart';

class TtsOption {
  final String locale;
  final String name;
  const TtsOption(this.locale, this.name);

  String get id => '$locale|$name';
  String get label => '$locale $name';
}

class TextToSpeech {
  static final FlutterTts _tts = FlutterTts();
  static final List<TtsOption> ttsVoices = [];
  static String ttsVoiceId = '';
  static TextToSpeech? _instance;
  static bool _initialized = false;

  TextToSpeech._internal();

  static Future<TextToSpeech> _getInstance() async {
    _instance ??= TextToSpeech._internal();
    if (!_initialized) {
      _initialized = true;
      await _instance!._initial();
    }
    return _instance!;
  }

  // 初期化:音声リスト作成
  Future<void> _initial() async {
    try {
      final vs = await _tts.getVoices;
      ttsVoices.clear();

      if (vs is List) {
        for (final v in vs) {
          if (v is Map && v['name'] is String && v['locale'] is String) {
            ttsVoices.add(TtsOption(v['locale']!, v['name']!));
          }
        }
      }

      // Default を定義(表示用)
      const defaultVoice = TtsOption("Default", "");

      if (ttsVoices.isEmpty) {
        // 取得できなかった → Default のみ
        ttsVoices.add(defaultVoice);
      } else {
        // Default を先頭に固定
        ttsVoices.removeWhere((v) => v.id == defaultVoice.id);
        ttsVoices.sort((a, b) => a.label.compareTo(b.label));
        ttsVoices.insert(0, defaultVoice);
      }
      // voiceId が存在しない場合は Default
      if (!ttsVoices.any((o) => o.id == ttsVoiceId)) {
        ttsVoiceId = ttsVoices.first.id;
      }
      await _setSpeechVoiceFromId();
    } catch (_) {}
  }

  // locale ごとにグループ化
  static Map<String, List<TtsOption>> _groupedVoices() {
    final Map<String, List<TtsOption>> grouped = {};
    for (final v in ttsVoices) {
      grouped.putIfAbsent(v.locale, () => []);
      grouped[v.locale]!.add(v);
    }
    return grouped;
  }

  //DropdownMenuItemを生成(Dividerで区切る)
  static List<DropdownMenuItem<String>> buildGroupedItems() {
    final grouped = _groupedVoicesDefaultFirst();
    final List<DropdownMenuItem<String>> items = [];
    bool first = true;
    grouped.forEach((locale, voices) {
      // 最初のグループの前には Divider を入れない
      if (!first) {
        items.add(
          const DropdownMenuItem<String>(
            enabled: false,
            value: null,
            child: Padding(
              padding: EdgeInsets.symmetric(vertical: 1),
              child: Divider(height: 1, thickness: 1),
            ),
          ),
        );
      }
      first = false;
      // グループ内の選択可能な項目
      for (final v in voices) {
        items.add(
          DropdownMenuItem<String>(
            value: v.id,
            child: Container(
              padding: const EdgeInsets.symmetric(vertical: 2),
              child: Text(v.label),
            ),
          ),
        );
      }
    });
    return items;
  }

  static Map<String, List<TtsOption>> _groupedVoicesSorted() {
    final grouped = _groupedVoices();
    // locale をアルファベット順にソート
    final sortedKeys = grouped.keys.toList()..sort();
    final Map<String, List<TtsOption>> sorted = {};
    for (final key in sortedKeys) {
      sorted[key] = grouped[key]!;
    }
    return sorted;
  }

  static Map<String, List<TtsOption>> _groupedVoicesDefaultFirst() {
    final grouped = _groupedVoices();
    // Default が存在しなければ通常のソート
    if (!grouped.containsKey("Default")) {
      return _groupedVoicesSorted();
    }
    // Default 以外の locale をソート
    final otherKeys = grouped.keys.where((k) => k != "Default").toList()..sort();
    final Map<String, List<TtsOption>> sorted = {};
    // Default を最上段に
    sorted["Default"] = grouped["Default"]!;
    // 残りをアルファベット順に追加
    for (final key in otherKeys) {
      sorted[key] = grouped[key]!;
    }
    return sorted;
  }

  // ttsVoiceId を登録
  static Future<void> _setTtsVoiceId(String newTtsVoiceId) async {
    await _getInstance();
    final exists = ttsVoices.any((o) => o.id == newTtsVoiceId);
    ttsVoiceId = exists ? newTtsVoiceId : ttsVoices.first.id;
    await _setSpeechVoiceFromId();
  }

  // 選択された voiceId を TTS に反映
  static Future<void> _setSpeechVoiceFromId() async {
    if (ttsVoices.isEmpty || ttsVoiceId.isEmpty) {
      return;
    }
    final idx = ttsVoiceId.indexOf('|');
    final locale = idx >= 0 ? ttsVoiceId.substring(0, idx) : '';
    final name = idx >= 0 ? ttsVoiceId.substring(idx + 1) : ttsVoiceId;
    // Default の場合 → デバイスのデフォルトロケールを使う
    if (locale == "Default") {
      final deviceLocale = PlatformDispatcher.instance.locale.toString(); //e.g. ja_JP
      final ttsLocale = deviceLocale.replaceAll('_', '-'); //e.g. ja-JP
      try {
        await _tts.setLanguage(ttsLocale);
      } catch (_) {}
      return;
    }
    // 通常の処理
    try {
      if (locale.isNotEmpty) {
        await _tts.setLanguage(locale);
      }
      await _tts.setVoice({'name': name, 'locale': locale});
    } catch (_) {}
  }


  // 設定反映
  static Future<void> applyPreferences(String ttsVoiceId, double ttsVolume) async {
    await TextToSpeech._getInstance();
    await TextToSpeech._setTtsVoiceId(ttsVoiceId);
    await TextToSpeech._setVolume(ttsVolume);
  }

  // 音量
  static Future<void> _setVolume(double volume) async {
    try {
      await _tts.setVolume(volume);
    } catch (_) {}
  }

  // 音声再生
  static Future<void> speak(String text) async {
    try {
      await _getInstance();
      await _tts.speak(text);
    } catch (_) {}
  }

  // 停止
  static Future<void> stop() async {
    try {
      await _tts.stop();
    } catch (_) {}
  }

  // ピッチ
  static Future<void> setPitch(double pitch) async {
    try {
      await _tts.setPitch(pitch);
    } catch (_) {}
  }

  // 速度
  static Future<void> setSpeechRate(double speechRate) async {
    try {
      await _tts.setSpeechRate(speechRate);
    } catch (_) {}
  }
}
/// Copyright© ao-system, Inc.

import 'package:flutter/material.dart';

class ThemeColor {
  final int? themeNumber;
  final BuildContext context;

  ThemeColor({this.themeNumber, required this.context});

  Brightness get _effectiveBrightness {
    switch (themeNumber) {
      case 1:
        return Brightness.light;
      case 2:
        return Brightness.dark;
      default:
        return Theme.of(context).brightness;
    }
  }

  bool get _isLight => _effectiveBrightness == Brightness.light;

  //main page
  Color get mainForeColor => _isLight ? Color.fromRGBO(255,255,255,0.7) : Color.fromRGBO(0,0,0,0.5);
  Color get mainResultForeColor => _isLight ? Colors.black : Colors.white;
  //setting page
  Color get backColor => _isLight ? Colors.grey[200]! : Colors.grey[900]!;
  Color get cardColor => _isLight ? Colors.white : Colors.grey[800]!;
  Color get appBarForegroundColor => _isLight ? Colors.grey[700]! : Colors.white70;
  Color get dropdownColor => cardColor;
  Color get borderColor => _isLight ? Colors.grey[300]! : Colors.grey[700]!;
  Color get inputFillColor => _isLight ? Colors.grey[50]! : Colors.grey[900]!;
}
/// Copyright© ao-system, Inc.

import 'package:flutter/material.dart';

class ThemeModeNumber {
  static ThemeMode numberToThemeMode(int value) {
    switch (value) {
      case 1:
        return ThemeMode.light;
      case 2:
        return ThemeMode.dark;
      default:
        return ThemeMode.system;
    }
  }
}
/// Copyright© ao-system, Inc.

import 'package:flutter/animation.dart';

/// Curve that models a three-phase roulette spin: ease-in, linear, and ease-out.
class ThreePhaseRouletteCurve extends Curve {
  final double easeInDuration;
  final double linearDuration;
  final double easeOutDuration;

  const ThreePhaseRouletteCurve({
    required this.easeInDuration,
    required this.linearDuration,
    required this.easeOutDuration,
  });

  @override
  double transformInternal(double t) {
    final totalDuration = easeInDuration + linearDuration + easeOutDuration;
    final easeInFraction = easeInDuration / totalDuration;
    final linearFraction = linearDuration / totalDuration;

    // Distances assuming max normalized speed of 1.0.
    final distEaseIn = 0.5 * easeInDuration;
    final distLinear = 1.0 * linearDuration;
    final distEaseOut = 0.5 * easeOutDuration;
    final totalDistance = distEaseIn + distLinear + distEaseOut;

    if (t < easeInFraction) {
      final timeInPhase = t * totalDuration;
      final distance = 0.5 * timeInPhase * timeInPhase / easeInDuration;
      return distance / totalDistance;
    } else if (t < easeInFraction + linearFraction) {
      final timeInPhase = (t - easeInFraction) * totalDuration;
      final distance = distEaseIn + timeInPhase;
      return distance / totalDistance;
    } else {
      final timeInPhase = (t - easeInFraction - linearFraction) * totalDuration;
      final initialVelocity = 1.0;
      final acceleration = -initialVelocity / easeOutDuration;
      final distance = distEaseIn + distLinear +
          (initialVelocity * timeInPhase + 0.5 * acceleration * timeInPhase * timeInPhase);
      return distance / totalDistance;
    }
  }
}