Source code

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

● 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.

● 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

Last build date: 2026-09-10

name: roulettewheel
description: "RouletteWheel"

publish_to: 'none'

version: 4.0.1+48

environment:
  sdk: ^3.13.2

dependencies:   #flutter pub upgrade --major-versions
  flutter:
    sdk: flutter
  flutter_localizations:
    sdk: flutter
  intl: ^0.20.2               #flutter gen-l10n
  shared_preferences: ^2.5.3
  flutter_tts: ^4.2.3
  google_mobile_ads: ^9.0.0
  audioplayers: ^6.0.0
  collection: ^1.19.1
  cupertino_icons: ^1.0.8
  wakelock_plus: ^1.4.0
  in_app_review: ^2.0.11
  app_settings: ^9.0.0
  in_app_purchase: ^3.2.0

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

flutter_launcher_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: '#0D581C'
  image: 'assets/image/splash.png'
  color_dark: '#0D581C'
  image_dark: 'assets/image/splash.png'
  fullscreen: true
  android_12:
    icon_background_color: '#0D581C'
    image: 'assets/image/splash.png'
    icon_background_color_dark: '#0D581C'
    image_dark: 'assets/image/splash.png'

flutter:
  generate: true
  uses-material-design: true
  config:
    enable-swift-package-manager: true
  assets:
    - assets/icon/
    - assets/image/
    - assets/sound/

/// Copyright© ao-system, Inc.

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

import 'package:roulettewheel/ad_manager.dart';
import 'package:roulettewheel/purchase_service.dart';

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

class _AdBannerWidgetState extends State<AdBannerWidget> {
  //AdManager(=BannerAd)は画面ごとに持つ。
  //1つのBannerAdを複数のAdWidgetで共有できないため、共有すると別画面が
  //loadAdaptiveBannerAd()を呼んだ時点で表示中のBannerAdがdisposeされ、
  //元の画面に戻っても広告が復帰しなくなる。
  final AdManager _adManager = AdManager();
  int _lastBannerWidthDp = 0;
  bool _isAdLoaded = false;
  bool _isLoading = false;

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

  @override
  Widget build(BuildContext context) {
    return ValueListenableBuilder<bool>(
      valueListenable: PurchaseService.instance.isAdsRemovedNotifier,
      builder: (context, isAdsRemoved, _) {
        if (isAdsRemoved) {
          return const SizedBox.shrink();
        }
        return SafeArea(
          child: LayoutBuilder(
            builder: (context, constraints) {
              final int width = constraints.maxWidth.isFinite
                ? constraints.maxWidth.truncate()
                : MediaQuery.of(context).size.width.truncate();
              if (width > 0 && !_isLoading) {
                final bannerAd = _adManager.bannerAd;
                final bool widthChanged = _lastBannerWidthDp != width;
                final bool sizeMismatch = bannerAd == null || bannerAd.size.width != width;
                if (widthChanged || !_isAdLoaded || sizeMismatch) {
                  // build完了後に1度だけ安全に呼び出す
                  WidgetsBinding.instance.addPostFrameCallback((_) {
                    if (!mounted || _isLoading) return;
                    _lastBannerWidthDp = width;
                    setState(() {
                      _isAdLoaded = false;
                      _isLoading = true;
                    });
                    _adManager.loadAdaptiveBannerAd(width, () {
                      if (mounted) {
                        setState(() {
                          _isAdLoaded = true;
                          _isLoading = false;
                        });
                      }
                    });
                  });
                }
              }
              final bannerAd = _adManager.bannerAd;
              if (_isAdLoaded && bannerAd != null) {
                return Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    const 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 'package:flutter/foundation.dart' show kIsWeb;
import 'package:google_mobile_ads/google_mobile_ads.dart';
import 'package:flutter/widgets.dart';

import 'package:roulettewheel/_secrets.dart';
import 'package:roulettewheel/app_log.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;
    }
    // どちらの GMA SDK がリンクされているかの確認用。
    // Android: 1.x.x = Next-Gen SDK / 25.x.x = 従来の play-services-ads
    // (Next-Gen は Android 限定。iOS は常に従来SDKのバージョンを返す)
    appLog('GMA SDK: ${await MobileAds.instance.getVersionString()}');
    // 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(
        ageRestrictedTreatment: AgeRestrictedTreatment.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 {
      // //ignore: deprecated_member_use
      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 'dart:io';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:google_mobile_ads/google_mobile_ads.dart';
import 'package:flutter/widgets.dart';

import 'package:roulettewheel/l10n/app_localizations.dart';
import 'package:roulettewheel/_secrets.dart';
import 'package:roulettewheel/att_service.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;
    }
    //iOSでATT非許可の場合はUMPを一切実行しない。
    //この先の loadAndShowConsentFormIfRequired が同意フォームを表示してしまうため、
    //起動時(main.dart)だけでなく設定画面から呼ばれた場合もここで止める。
    if (Platform.isIOS && !await AttService().isTrackingAuthorized()) {
      return current.copyWith(isChecking: false);
    }
    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<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/foundation.dart' show debugPrint, kDebugMode;

void appLog(String message) {
  if (kDebugMode) {
    debugPrint('[AppLog] $message');
  }
}
/// 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 'package:flutter/material.dart';

// Maps roulette result codes to Colors.
// Codes: 'g' (green), 'k' (black), 'r' (red)
Color colorFromCode(String code) {
  switch (code) {
    case 'g':
      return const Color(0xFF00BB00);
    case 'k':
      return const Color(0xFF222222);
    case 'r':
      return const Color(0xFFD00000);
    default:
      return Colors.transparent;
  }
}

/// Copyright© ao-system, Inc.

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

import 'package:roulettewheel/ad_banner_widget.dart';
import 'package:roulettewheel/color_utils.dart';
import 'package:roulettewheel/l10n/app_localizations.dart';
import 'package:roulettewheel/main.dart';
import 'package:roulettewheel/model.dart';
import 'package:roulettewheel/roulette_history.dart';
import 'package:roulettewheel/roulette_slot.dart';
import 'package:roulettewheel/setting_page.dart';
import 'package:roulettewheel/text_to_speech.dart';
import 'package:roulettewheel/theme_color.dart';
import 'package:roulettewheel/wheel_view.dart';

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

class _MainHomePageState extends State<MainHomePage> with WidgetsBindingObserver {
  late ThemeColor _themeColor;
  final AudioPlayer _audio = AudioPlayer();
  //ボール距離(ホイール半径に対する割合)
  static const double _ballDistanceStart = 0.89;
  static const double _ballDistanceEnd = 0.535;

  //スロット配列
  static const List<RouletteSlot> _slotsAmerican = [
    RouletteSlot("0", "g"),
    RouletteSlot("28", "k"),
    RouletteSlot("9", "r"),
    RouletteSlot("26", "k"),
    RouletteSlot("30", "r"),
    RouletteSlot("11", "k"),
    RouletteSlot("7", "r"),
    RouletteSlot("20", "k"),
    RouletteSlot("32", "r"),
    RouletteSlot("17", "k"),
    RouletteSlot("5", "r"),
    RouletteSlot("22", "k"),
    RouletteSlot("34", "r"),
    RouletteSlot("15", "k"),
    RouletteSlot("3", "r"),
    RouletteSlot("24", "k"),
    RouletteSlot("36", "r"),
    RouletteSlot("13", "k"),
    RouletteSlot("1", "r"),
    RouletteSlot("00", "g"),
    RouletteSlot("27", "r"),
    RouletteSlot("10", "k"),
    RouletteSlot("25", "r"),
    RouletteSlot("29", "k"),
    RouletteSlot("12", "r"),
    RouletteSlot("8", "k"),
    RouletteSlot("19", "r"),
    RouletteSlot("31", "k"),
    RouletteSlot("18", "r"),
    RouletteSlot("6", "k"),
    RouletteSlot("21", "r"),
    RouletteSlot("33", "k"),
    RouletteSlot("16", "r"),
    RouletteSlot("4", "k"),
    RouletteSlot("23", "r"),
    RouletteSlot("35", "k"),
    RouletteSlot("14", "r"),
    RouletteSlot("2", "k"),
  ];
  static const List<RouletteSlot> _slotsEuropean = [
    RouletteSlot("0", "g"),
    RouletteSlot("32", "r"),
    RouletteSlot("15", "k"),
    RouletteSlot("19", "r"),
    RouletteSlot("4", "k"),
    RouletteSlot("21", "r"),
    RouletteSlot("2", "k"),
    RouletteSlot("25", "r"),
    RouletteSlot("17", "k"),
    RouletteSlot("34", "r"),
    RouletteSlot("6", "k"),
    RouletteSlot("27", "r"),
    RouletteSlot("13", "k"),
    RouletteSlot("36", "r"),
    RouletteSlot("11", "k"),
    RouletteSlot("30", "r"),
    RouletteSlot("8", "k"),
    RouletteSlot("23", "r"),
    RouletteSlot("10", "k"),
    RouletteSlot("5", "r"),
    RouletteSlot("24", "k"),
    RouletteSlot("16", "r"),
    RouletteSlot("33", "k"),
    RouletteSlot("1", "r"),
    RouletteSlot("20", "k"),
    RouletteSlot("14", "r"),
    RouletteSlot("31", "k"),
    RouletteSlot("9", "r"),
    RouletteSlot("22", "k"),
    RouletteSlot("18", "r"),
    RouletteSlot("29", "k"),
    RouletteSlot("7", "r"),
    RouletteSlot("28", "k"),
    RouletteSlot("12", "r"),
    RouletteSlot("35", "k"),
    RouletteSlot("3", "r"),
    RouletteSlot("26", "k"),
  ];

//UI 状態
  bool _startUiVisible = true;    //スタートボタンの表示状態(回転中は非表示/半透明化)
  bool _settingUiVisible = true;  //設定ボタンの表示状態

  double _uiWheelAngle = 0;       //UI描画用のホイール回転角度(度数法)
  bool _uiBallVisible = false;    //UI上のボールの表示/非表示フラグ

  double _uiAlphaThree = 0;       //カウントダウン「3」のオーバーレイ透明度(0.0:非表示~1.0:表示)
  double _uiAlphaTwo = 0;         //カウントダウン「2」のオーバーレイ透明度
  double _uiAlphaOne = 0;         //カウントダウン「1」のオーバーレイ透明度
  double _uiAlphaNoMoreBets = 0;  //「No More Bets」のオーバーレイ透明度
  double _uiAlphaResult = 0;      //結果数値表示のオーバーレイ透明度

  String _uiResultText = '';      //画面に表示する当選結果のテキスト(例: "0", "00", "32")
  String _uiResultColor = '';     //画面に表示する当選結果の背景色コード("g":緑, "r":赤, "k":黒)

  final List<RouletteHistory> _history = <RouletteHistory>[]; //過去の当選履歴リスト

  //ルーレットロジック
  double _wheelAngle = 360;       //ホイールの現在の回転角度(度数法)
  double _ballAngle = 0;          //ボールの現在の回転角度(度数法)
  double _wheelAngleStart = 0;    //ボールが回転を開始した時点のホイール角度
  double _adjustAngle = 0;        //ホイール回転に対するボールの位置補正角度(位相差)

  double _ballDistanceRatio = _ballDistanceStart; //ホイール中心からのボールの距離割合(外枠~ポケットへ落とすアニメーション用)

  bool _ballRotateFlag = false;   //ボールが回転中かどうかの判定フラグ
  int _ballTick = 0;    //ボールの回転カウントダウン(タイマーの残りステップ数)

  bool _busy = false;   //処理中(ルーレット実行中)フラグ(二重タップ防止用)
  Timer? _timer;        //25msごとにルーレットアニメーションを更新するメインタイマー

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

  void _initState() async {
    _themeColor = ThemeColor(themeNumber: Model.themeNumber, context: context);
    await TextToSpeech.applyPreferences(Model.ttsVoiceId, Model.ttsVolume);
    _initAudio();
    _startTicker();
    _wakelock();
  }

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

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    switch (state) {
      case AppLifecycleState.resumed:
        _wakelock();
        break;
      default:
        WakelockPlus.disable();
        break;
    }
  }

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

  Future<void> _initAudio() async {
    await _audio.setReleaseMode(ReleaseMode.stop);
    await _audio.setVolume(Model.ttsVolume);
    try {
      await _audio.setSource(AssetSource('sound/kachi.wav'));
    } catch (_) {}
  }

  //ルーレットのメインループ(25msごと)
  void _startTicker() {
    _timer?.cancel(); //安全のため実行前に既存タイマーをキャンセル
    _timer = Timer.periodic(const Duration(milliseconds: 25), (_) {
      //ホイール回転
      _wheelAngle -= 0.5;
      if (_wheelAngle < 0) {
        _wheelAngle = 359.5;
      }
      setState(() {
        _uiWheelAngle = _wheelAngle;
      });
      //停止後のボールはホイールと同期して回転
      if (!_ballRotateFlag && _uiBallVisible) {
        //ホイールと同じ速度で回す(0.5°)
        _ballAngle = (_ballAngle - 0.5) % 360;
      }
      //ボールが回転中(独立して高速回転)
      if (_ballRotateFlag) {
        //ホイールとボールの相対角度補正
        _adjustAngle += 0.5;
        //ボール角度更新(高速)
        _ballAngle += 5;
        if (_ballAngle >= 360) {
          _ballAngle = 0;
        }
        //カウントダウン処理
        if (_ballTick > 0) {
          _ballTick -= 1;
          if (_ballTick == 500 && Model.countdown) {
            _showOverlay(three: 0.8);
            if (Model.ttsEnabled && Model.ttsVolume > 0.0) {
              _speak("3");
            }
          }
          if (_ballTick == 450 && Model.countdown) {
            _showOverlay(three: 0.0, two: 0.8);
            if (Model.ttsEnabled && Model.ttsVolume > 0.0) {
              _speak("2");
            }
          }
          if (_ballTick == 400 && Model.countdown) {
            _showOverlay(two: 0.0, one: 0.8);
            if (Model.ttsEnabled && Model.ttsVolume > 0.0) {
              _speak("1");
            }
          }
          if (_ballTick == 350) {
            _showOverlay(one: 0.0);
            if (Model.showNoMoreBets) {
              _showOverlay(noMoreBets: 0.8);
            }
            if (Model.sayNoMoreBets) {
              _speak(AppLocalizations.of(context)?.noMoreBets ?? 'no more bets');
            }
          }
          if (_ballTick == 250) {
            _showOverlay(noMoreBets: 0.0);
            _ballTick -= (math.Random().nextDouble() * 100).toInt();
          }
          //ボール距離の減速(内側へ)
          if (_ballTick < 5) {
            _ballDistanceRatio = (_ballDistanceStart + _ballDistanceEnd) / 2;
          }
          if (_ballTick < 1) {
            _ballDistanceRatio = _ballDistanceEnd;
          }
          //停止判定
          if (_ballTick <= 0) {
            _ballRotateFlag = false;
            _setStartUiVisible(true);
            //結果判定(角度 → スロット番号)
            if (Model.rouletteType == 0) {
              _processResult(_slotsAmerican);
            } else {
              _processResult(_slotsEuropean);
            }
            _busy = false;
            _playPocketSound();
            if (Model.readOutResult) {
              Future.delayed(const Duration(milliseconds: 800), () {
                if (!mounted) {
                  return;
                }
                _speak(_speakTextForNumber(_uiResultText));
              });
            }
          }
        }
      }
    });
  }

  void _speak(String text) {
    if (Model.ttsEnabled && Model.ttsVolume > 0.0) {
      TextToSpeech.speak(text);
    }
  }

  void _onStart() {
    if (_busy) return;
    _busy = true;
    _ballAngle = 0;
    _ballDistanceRatio = _ballDistanceStart;
    _wheelAngleStart = _wheelAngle;
    _adjustAngle = 0;
    int baseTick = (10 - Model.shortTime) * 100 + 260;
    final bool isAmerican = (Model.rouletteType == 0);
    final int totalSlots = isAmerican ? 38 : 37;
    final double slotAngle = 360 / totalSlots;
    //1. 当選させるスロット(0 ~ totalSlots-1)を決定
    int targetIndex = math.Random().nextInt(totalSlots);
    //2. ポケットの「真ん中」に落とすため +0.5(半コマ分)を加算
    double targetRelativeAngle = (targetIndex + 0.5) * slotAngle;
    //3. 1 tick あたりの実際の相対移動角は 5.5 度
    const double anglePerTick = 5.5;
    //4. 目標角度にピタリと合わせる _ballTick を逆算
    double baseAngle = baseTick * anglePerTick;
    double currentMod = baseAngle % 360;
    double diff = targetRelativeAngle - currentMod;
    //最短距離補正 (-180~180度)
    diff = (diff + 180) % 360;
    if (diff < 0) diff += 360;
    diff -= 180;
    _ballTick = baseTick + (diff / anglePerTick).round();
    _ballRotateFlag = true;
    _uiBallVisible = true;
    _setStartUiVisible(false);
    _showOverlay(resultAlpha: 0.0);
  }

  //結果判定
  void _processResult(List<RouletteSlot> slots) {
    final int totalSlots = slots.length;
    final double slotAngle = 360 / totalSlots;
    double relativeAngle = _ballAngle - _wheelAngleStart + _adjustAngle;
    double angle = (relativeAngle / slotAngle).floor() * slotAngle + (slotAngle / 2);
    angle = (180 - angle + 3600) % 360;
    int num = (totalSlots - (angle / slotAngle).toInt()) % totalSlots;
    double targetRelativeAngle = 180 - ((totalSlots - num) % totalSlots) * slotAngle - (slotAngle / 2);
    _ballAngle = (_wheelAngleStart - _adjustAngle + targetRelativeAngle + 360) % 360;
    final slot = slots[num];
    _setResult(number: slot.number, color: slot.color);
    if (Model.showResult) _showOverlay(resultAlpha: 1.0);
    _addHistory(slot.number, slot.color);
  }

  String _speakTextForNumber(String number) {
    if (number == '00') return 'double zero';
    return number;
  }

  void _addHistory(String number, String color) {
    setState(() {
      _history.insert(0, RouletteHistory(number, color));
      if (_history.length > 30) {
        _history.removeLast();
      }
    });
  }

  Future<void> _playPocketSound() async {
    if (Model.soundVolume == 0.0) return;
    try {
      await _audio.setVolume(Model.soundVolume);
      await _audio.seek(Duration.zero);
      unawaited(_audio.resume());
    } catch (_) {
      try {
        await _audio.stop();
        await _audio.play(AssetSource('sound/kachi.wav'));
      } catch (_) {}
    }
  }

  Future<void> _showOverlay({
    double? three,
    double? two,
    double? one,
    double? noMoreBets,
    double? resultAlpha,
  }) async {
    setState(() {
      if (three != null) _uiAlphaThree = three;
      if (two != null) _uiAlphaTwo = two;
      if (one != null) _uiAlphaOne = one;
      if (noMoreBets != null) _uiAlphaNoMoreBets = noMoreBets;
      if (resultAlpha != null) _uiAlphaResult = resultAlpha;
    });
  }

  Future<void> _setResult({required String number, required String color}) async {
    setState(() {
      _uiResultText = number;
      _uiResultColor = color;
    });
  }

  void _setStartUiVisible(bool on) {
    setState(() {
      _startUiVisible = on;
      _settingUiVisible = on;
    });
  }

  Future<void> _openSetting() async {
    if (_busy) {
      return;
    }
    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);
      _wakelock();
      await TextToSpeech.applyPreferences(Model.ttsVoiceId, Model.ttsVolume);
      if (Model.clearHistory) {
        _history.clear();
        await Model.setClearHistory(false);
      }
    }
    if (mounted) {
      setState(() {});
    }
  }

  @override
  Widget build(BuildContext context) {
    final l = AppLocalizations.of(context)!;
    final bool isLandscape = MediaQuery.of(context).orientation == Orientation.landscape;
    //画面コンテンツ(広告を引いたフルサイズを計算領域として使用)
    final content = Column(
      children: [
        //Header (portrait only)
        isLandscape
            ? const SizedBox.shrink()
            : Row(
          children: [
            const Spacer(),
            Padding(
              padding: const EdgeInsets.only(right: 10),
              child: IconButton(
                onPressed: _openSetting,
                tooltip: l.setting,
                icon: Icon(
                  Icons.settings,
                  color: Colors.white.withValues(alpha: _settingUiVisible ? 0.85 : 0),
                ),
              ),
            ),
          ],
        ),
        const SizedBox(height: 5),
        //Main body
        Expanded(
          child: LayoutBuilder(
            builder: (context, constraints) {
              const paddingH = 10.0;
              final wheelSize = math.min(constraints.maxWidth, constraints.maxHeight);
              return Padding(
                padding: const EdgeInsets.symmetric(horizontal: paddingH, vertical: 10),
                child: isLandscape
                    ? _buildLandscapeBody(wheelSize)
                    : _buildPortraitBody(l, wheelSize),
              );
            },
          ),
        ),
      ],
    );

    return Scaffold(
      backgroundColor: _themeColor.mainBackColor,
      //body を Stack でまとめ、広告を最前面に載せる
      body: Stack(
        children: [
          //1. 背景
          _buildBackground(),
          //2. メインコンテンツ
          isLandscape ? content : SafeArea(child: content),
          //3. 広告バナー(一番上にかぶせる)
          const Align(
            alignment: Alignment.bottomCenter,
            child: SafeArea(
              top: false,
              child: AdBannerWidget(),
            ),
          ),
        ],
      ),
      //bottomNavigationBar は使用しない
    );
  }

  //Background
  Widget _buildBackground() {
    return Positioned.fill(
      child: Container(
        decoration: BoxDecoration(
          gradient: LinearGradient(
            colors: [
              _themeColor.mainBackColor,
              _themeColor.mainBack2Color,
              _themeColor.mainBack2Color,
              _themeColor.mainBackColor,
            ],
            begin: Alignment.topCenter,
            end: Alignment.bottomCenter,
          ),
          image: const DecorationImage(
            image: AssetImage('assets/image/tile.png'),
            repeat: ImageRepeat.repeat,
            opacity: 0.1,
          ),
        ),
      ),
    );
  }

  //Portrait layout
  Widget _buildPortraitBody(AppLocalizations l, double wheelSize) {
    return SingleChildScrollView(
      child: Column(
        children: [
          AspectRatio(
            aspectRatio: 1,
            child: Center(
              child: WheelView(
                size: wheelSize,
                wheelAngleDeg: _uiWheelAngle,
                ballAngleDeg: _ballAngle,
                ballDistanceRatio: _ballDistanceRatio,
                ballVisible: _uiBallVisible,
                alphaThree: _uiAlphaThree,
                alphaTwo: _uiAlphaTwo,
                alphaOne: _uiAlphaOne,
                alphaNoMoreBets: _uiAlphaNoMoreBets,
                alphaResult: _uiAlphaResult,
                resultText: _uiResultText,
                resultColor: _uiResultColor,
              ),
            ),
          ),
          const SizedBox(height: 20),
          Stack(
            children: [
              Align(
                alignment: Alignment.centerLeft,
                child: SizedBox(
                  width: 60,
                  height: 200,
                  child: _buildHistoryList(),
                ),
              ),
              Align(
                alignment: Alignment.center,
                child: _buildStartButton(),
              ),
            ],
          ),
          const SizedBox(height: 200),
        ],
      ),
    );
  }

  //Landscape layout
  Widget _buildLandscapeBody(double wheelSize) {
    return Row(
      mainAxisAlignment: MainAxisAlignment.center, //Row 全体を中央揃え
      crossAxisAlignment: CrossAxisAlignment.center,
      children: [
        //WheelView を中央に置く
        SizedBox(
          width: wheelSize,
          height: wheelSize,
          child: WheelView(
            size: wheelSize,
            wheelAngleDeg: _uiWheelAngle,
            ballAngleDeg: _ballAngle,
            ballDistanceRatio: _ballDistanceRatio,
            ballVisible: _uiBallVisible,
            alphaThree: _uiAlphaThree,
            alphaTwo: _uiAlphaTwo,
            alphaOne: _uiAlphaOne,
            alphaNoMoreBets: _uiAlphaNoMoreBets,
            alphaResult: _uiAlphaResult,
            resultText: _uiResultText,
            resultColor: _uiResultColor,
          ),
        ),
        const SizedBox(width: 20),
        Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            SizedBox(width: 80, height: 200, child: _buildHistoryList()),
            const SizedBox(width: 20),
            _buildStartButton(),
            const SizedBox(width: 20),
            AnimatedOpacity(
              duration: const Duration(milliseconds: 300),
              opacity: _startUiVisible ? 1.0 : 0.3,
              child: IconButton(
                icon: const Icon(Icons.settings, size: 30, color: Colors.white),
                onPressed: _openSetting,
              ),
            ),
          ],
        ),
      ],
    );
  }

  //Start button
  Widget _buildStartButton() {
    final l = AppLocalizations.of(context)!;
    return AnimatedOpacity(
      duration: const Duration(milliseconds: 300),
      opacity: _startUiVisible ? 1.0 : 0.3,
      child: ElevatedButton(
        onPressed: _busy ? null : _onStart,
        style: ElevatedButton.styleFrom(
          shape: const CircleBorder(),
          fixedSize: const Size(180, 180),
          backgroundColor: _themeColor.mainButtonBackColor,
          elevation: 0,
        ),
        child: FittedBox(
          fit: BoxFit.scaleDown,
          child: Padding(
            padding: const EdgeInsets.all(8.0),
            child: Text(
              l.start,
              textAlign: TextAlign.center,
              style: TextStyle(
                color: _themeColor.mainButtonForeColor,
                fontSize: 28,
                fontWeight: FontWeight.bold,
              ),
            ),
          ),
        ),
      ),
    );
  }

  //History list
  Widget _buildHistoryList() {
    if (_history.isEmpty) {
      return const SizedBox.shrink();
    }
    if (!Model.showHistory) {
      return const SizedBox.shrink();
    }
    return ListView.separated(
      reverse: false,
      itemCount: _history.length,
      separatorBuilder: (_, _) => const SizedBox(height: 1),
      itemBuilder: (context, index) {
        final item = _history[index];
        return Container(
          height: 19,
          decoration: BoxDecoration(
            color: colorFromCode(item.color),
            borderRadius: BorderRadius.circular(20),
          ),
          alignment: Alignment.center,
          child: Text(
            item.number,
            style: const TextStyle(color: Colors.white, fontSize: 16),
          ),
        );
      },
    );
  }
}
/// Copyright© ao-system, Inc.

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

class LoadingScreen extends StatefulWidget {
  final String message;

  const LoadingScreen({
    super.key,
    this.message = '',
  });

  @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,
                  ),
                ),
                //メッセージが空でない場合のみ、LOADINGの下に小さく表示する
                if (widget.message.isNotEmpty) ...[
                  const SizedBox(height: 8),
                  Padding(
                    padding: const EdgeInsets.symmetric(horizontal: 24.0),
                    child: Text(
                      widget.message,
                      textAlign: TextAlign.center,
                      style: TextStyle(
                        color: Colors.white60,
                        fontSize: 14,
                      ),
                    ),
                  ),
                ],
                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/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:google_mobile_ads/google_mobile_ads.dart';

import 'package:roulettewheel/ad_manager.dart';
import 'package:roulettewheel/ad_ump_status.dart';
import 'package:roulettewheel/app_log.dart';
import 'package:roulettewheel/att_service.dart';
import 'package:roulettewheel/home_page.dart';
import 'package:roulettewheel/l10n/app_localizations.dart';
import 'package:roulettewheel/loading_screen.dart';
import 'package:roulettewheel/model.dart';
import 'package:roulettewheel/parse_locale_tag.dart';
import 'package:roulettewheel/purchase_service.dart';
import 'package:roulettewheel/theme_mode_number.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();
}

//2026-09-10版
class MainAppState extends State<MainApp> with WidgetsBindingObserver {
  ThemeMode _themeMode = ThemeMode.system;
  Locale? _locale;
  bool _hasError = false;
  bool _isReady = false;
  String _loadingMessage = 'Initializing...';

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

  //ローディング画面の進捗メッセージを更新する。
  //広告初期化はホーム画面遷移後も走り続けるため、画面が出た後(_isReady)は何もしない。
  void _setLoadingMessage(String message) {
    if (!mounted || _isReady) {
      return;
    }
    setState(() => _loadingMessage = message);
  }

  void _initState() async {
    try {
      //1. iOSの場合は起動直後にATTを必ず呼ぶ
      AttStatus attStatus = AttStatus.unknown;
      if (!kIsWeb && Platform.isIOS) {
        _setLoadingMessage('Requesting tracking permission...');
        //フレームの描画を待つ
        final binding = WidgetsBinding.instance;
        await binding.endOfFrame; //1フレーム目の描画完了
        await binding.endOfFrame; //2フレーム目の描画完了
        //iOSネイティブ側のウインドウが完全にActiveになるまで安全マージン
        await Future.delayed(const Duration(milliseconds: 800));
        //画面が破棄されていないか確認してから実行
        if (!mounted) {
          return;
        }
        attStatus = await AttService().requestTracking();
      }
      //2. ローカルデータ初期化(高速)
      _setLoadingMessage('Loading local data...');
      await Model.ensureReady();
      //3. 課金初期化(並列化)
      _setLoadingMessage('Preparing payment system...');
      bool purchaseDone = false;
      bool adsDone = false;
      //
      void updateStatus() {
        if (!mounted) return;
        if (purchaseDone && !adsDone) {
          _setLoadingMessage('Preparing ad system...');
        } else if (!purchaseDone && adsDone) {
          _setLoadingMessage('Preparing payment system...');
        }
      }
      await Future.wait([
        //課金初期化
        () async {
          try {
            await PurchaseService.instance.init().timeout(
              const Duration(seconds: 10),
              onTimeout: () => appLog('Purchase init timeout'),
            );
          } catch (e) {
            appLog('Purchase init error: $e');
          } finally {
            purchaseDone = true;
            updateStatus();
          }
        }(),
        //広告初期化(ATT → UMP → MobileAds)
        () async {
          try {
            await _initAds(attStatus);
          } catch (e) {
            appLog('Ads initialization error: $e');
          } finally {
            adsDone = true;
            updateStatus();
          }
        }(),
      ]);
    } catch (e) {
      appLog('Critical init error: $e');
      if (mounted) {
        setState(() {
          _hasError = true;
        });
        return;
      }
    }
    //4. ホーム画面へ切り替え
    if (mounted) {
      setState(() {
        _loadingMessage = 'Starting app...';
        _themeMode = ThemeModeNumber.numberToThemeMode(Model.themeNumber);
        _locale = parseLocaleTag(Model.languageCode);
        _isReady = true;
      });
    }
  }

  //広告初期化一式
  Future<void> _initAds(AttStatus attStatus) async {
    final adUmpConsentController = AdUmpConsentController();
    bool shouldRunUMP = true;
    if (!kIsWeb && Platform.isIOS) {
      //iOS は ATT の結果で UMP 実行可否を決める
      shouldRunUMP = (attStatus == AttStatus.authorized);
    }
    if (shouldRunUMP) {
      _setLoadingMessage('Checking user consent status...');
      await adUmpConsentController.updateConsentInfo();
    } else {
      appLog('UMP skipped due to ATT status: $attStatus');
    }
    _setLoadingMessage('Initializing ad services...');
    await MobileAds.instance.initialize();
    await AdManager.initForNPA();
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    PurchaseService.instance.dispose();
    super.dispose();
  }

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

  Color _getRainbowAccentColor(int hue) {
    return HSVColor.fromAHSV(1.0, hue.toDouble(), 1.0, 1.0).toColor();
  }

  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();
    }
    final Color seed = _getRainbowAccentColor(Model.schemeColor);
    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() : Scaffold(body: LoadingScreen(message: _loadingMessage)),
    );
  }

  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:roulettewheel/l10n/app_localizations.dart';

class Model {
  Model._();

  static const String _prefRouletteType = 'rouletteType';
  static const String _prefShortTime = 'shortTime';
  static const String _prefShowNoMoreBets = 'showNoMoreBets';
  static const String _prefSayNoMoreBets = 'sayNoMoreBets';
  static const String _prefShowResult = 'showResult';
  static const String _prefReadOutResult = 'readOutResult';
  static const String _prefShowHistory = 'showHistory';
  static const String _prefCountdown = 'countdown';
  static const String _prefSoundVolume = 'soundVolume';
  static const String _prefTtsEnabled = 'ttsEnabled';
  static const String _prefTtsVolume = 'ttsVolume';
  static const String _prefTtsVoiceId = 'ttsVoiceId';
  static const String _prefWakelockEnabled = 'wakelockEnabled';
  static const String _prefSchemeColor = 'schemeColor';
  static const String _prefThemeNumber = 'themeNumber';
  static const String _prefLanguageCode = 'languageCode';

  static bool _ready = false;
  static int _rouletteType = 0; //0:american 1:european
  static bool _clearHistory = false;
  static int _shortTime = 0;
  static bool _showNoMoreBets = true;
  static bool _sayNoMoreBets = true;
  static bool _showResult = true;
  static bool _readOutResult = true;
  static bool _showHistory = true;
  static bool _countdown = false;
  static double _soundVolume = 0.5;
  static bool _ttsEnabled = true;
  static double _ttsVolume = 1.0;
  static String _ttsVoiceId = '';
  static bool _wakelockEnabled = false;
  static int _schemeColor = 120;
  static int _themeNumber = 0;
  static String _languageCode = '';

  static int get shortTime => _shortTime;
  static int get rouletteType => _rouletteType;
  static bool get clearHistory => _clearHistory;
  static bool get showNoMoreBets => _showNoMoreBets;
  static bool get sayNoMoreBets => _sayNoMoreBets;
  static bool get showResult => _showResult;
  static bool get readOutResult => _readOutResult;
  static bool get showHistory => _showHistory;
  static bool get countdown => _countdown;
  static double get soundVolume => _soundVolume;
  static bool get ttsEnabled => _ttsEnabled;
  static double get ttsVolume => _ttsVolume;
  static String get ttsVoiceId => _ttsVoiceId;
  static bool get wakelockEnabled => _wakelockEnabled;
  static int get schemeColor => _schemeColor;
  static int get themeNumber => _themeNumber;
  static String get languageCode => _languageCode;

  static Future<void> ensureReady() async {
    if (_ready) {
      return;
    }
    final prefs = await SharedPreferences.getInstance();
    //
    _shortTime = (prefs.getInt(_prefShortTime) ?? 0).clamp(0, 10);
    _rouletteType = (prefs.getInt(_prefRouletteType) ?? 0).clamp(0, 1);
    _showNoMoreBets = prefs.getBool(_prefShowNoMoreBets) ?? true;
    _sayNoMoreBets = prefs.getBool(_prefSayNoMoreBets) ?? true;
    _showResult = prefs.getBool(_prefShowResult) ?? true;
    _readOutResult = prefs.getBool(_prefReadOutResult) ?? true;
    _showHistory = prefs.getBool(_prefShowHistory) ?? true;
    _countdown = prefs.getBool(_prefCountdown) ?? false;
    _soundVolume = (prefs.getDouble(_prefSoundVolume) ?? 0.5).clamp(0.0, 1.0);
    _ttsEnabled = prefs.getBool(_prefTtsEnabled) ?? true;
    _ttsVolume = (prefs.getDouble(_prefTtsVolume) ?? 1.0).clamp(0.0, 1.0);
    _ttsVoiceId = prefs.getString(_prefTtsVoiceId) ?? '';
    _wakelockEnabled = prefs.getBool(_prefWakelockEnabled) ?? false;
    _schemeColor = (prefs.getInt(_prefSchemeColor) ?? 120).clamp(0, 360);
    _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<void> setShortTime(int value) async {
    _shortTime = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefShortTime, value);
  }

  static Future<void> setRouletteType(int value) async {
    _rouletteType = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefRouletteType, value);
  }

  static Future<void> setClearHistory(bool value) async {
    _clearHistory = value;
    //記憶しない
  }

  static Future<void> setSayNoMoreBets(bool value) async {
    _sayNoMoreBets = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefSayNoMoreBets, value);
  }

  static Future<void> setShowNoMoreBets(bool value) async {
    _showNoMoreBets = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefShowNoMoreBets, value);
  }

  static Future<void> setShowResult(bool value) async {
    _showResult = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefShowResult, value);
  }

  static Future<void> setReadOutResult(bool value) async {
    _readOutResult = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefReadOutResult, value);
  }

  static Future<void> setShowHistory(bool value) async {
    _showHistory = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefShowHistory, value);
  }

  static Future<void> setCountdown(bool value) async {
    _countdown = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefCountdown, value);
  }

  static Future<void> setSoundVolume(double value) async {
    _soundVolume = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setDouble(_prefSoundVolume, value);
  }

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

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

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

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

  static Future<void> setSchemeColor(int value) async {
    _schemeColor = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefSchemeColor, value);
  }

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

  static Future<void> setLanguageCode(String value) async {
    _languageCode = value;
    final SharedPreferences 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.

import 'dart:async';
import 'dart:io' show Platform;
import 'package:flutter/foundation.dart' show ValueNotifier, visibleForTesting;
import 'package:in_app_purchase/in_app_purchase.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'package:roulettewheel/_secrets.dart';
import 'package:roulettewheel/app_log.dart';

/// 課金イベントの種別(UI 側のスナックバー等に利用)
enum PurchaseEventType {
  pending,    //購入処理中(承認待ち等)
  purchased,  //購入成功
  restored,   //復元成功
  canceled,   //ユーザーキャンセル
  error,      //エラー
  notFound,   //商品 ID が見つからない
  unavailable,//ストア利用不可
}

class PurchaseEvent {
  final PurchaseEventType type;
  final String productId;
  final String? message;
  const PurchaseEvent(this.type, this.productId, [this.message]);

  @override
  String toString() => 'PurchaseEvent($type, $productId, $message)';
}

/// 非消費型(Non-Consumable)IAP の汎用サービス。
/// 他アプリに流用するときは [productId] と [prefKey] を差し替えるだけで動く。
/// 「広告削除」だけでなく汎用「機能解放」用途にも使える。
class PurchaseService {
  PurchaseService._({
    required this.productId,
    required this.prefKey,
  });

  /// シングルトン。アプリ起動時に [init] を呼ぶ。
  /// productId / prefKey を変えたい場合はこのファイルの末尾、もしくは init 前にこの行を書き換える。
  static final PurchaseService instance = PurchaseService._(
    productId: Secrets.purchaseServiceProductId,
    prefKey: 'isAdsRemoved',    //preferences
  );

  /// ストアに登録した Product ID(iOS: App Store Non-Consumable / Android: Play One-time)
  final String productId;

  /// SharedPreferences に保存するキー
  final String prefKey;

  final InAppPurchase _iap = InAppPurchase.instance;
  StreamSubscription<List<PurchaseDetails>>? _subscription;
  final StreamController<PurchaseEvent> _eventController =
      StreamController<PurchaseEvent>.broadcast();

  /// 購入状態。広告ウィジェット側は ValueListenableBuilder で監視できる。
  final ValueNotifier<bool> isAdsRemovedNotifier = ValueNotifier<bool>(false);

  /// 商品情報。価格表示用 UI は ValueListenableBuilder で監視すれば
  /// ストアから取得され次第ローカライズ価格(例: ¥450, \$2.99, €3.19)に自動更新される。
  final ValueNotifier<ProductDetails?> productNotifier =
      ValueNotifier<ProductDetails?>(null);

  bool _isAvailable = false;
  bool _initialized = false;

  /// 課金イベント(購入成功・失敗・キャンセル等)を UI 側へ通知するストリーム
  Stream<PurchaseEvent> get events => _eventController.stream;

  /// ストアが利用可能かどうか
  bool get isAvailable => _isAvailable;

  /// 商品情報(価格表示などに利用)。リアクティブに監視したい場合は [productNotifier] を使う。
  ProductDetails? get product => productNotifier.value;

  /// 現在の購入状態(広告非表示状態)
  bool get isAdsRemoved => isAdsRemovedNotifier.value;

  /// アプリ起動時に一度だけ呼ぶ。SharedPreferences から購入状態を読み、
  /// 購入ストリームの購読、商品情報の取得まで行う。
  Future<void> init() async {
    if (_initialized) {
      return;
    }
    _initialized = true;
    //SharedPreferences から購入状態を復元
    final prefs = await SharedPreferences.getInstance();
    final saved = prefs.getBool(prefKey) ?? false;
    isAdsRemovedNotifier.value = saved;
    appLog('init: persisted isAdsRemoved=$saved');

    //ストア利用可否
    try {
      _isAvailable = await _iap.isAvailable();
    } catch (e) {
      _isAvailable = false;
      appLog('isAvailable check failed: $e');
    }
    if (!_isAvailable) {
      appLog('Store is NOT available on this device.');
      return;
    }
    appLog('Store is available. platform=${Platform.operatingSystem}');

    //購入ストリームを購読(購入処理は非同期にここへ流れてくる)
    _subscription = _iap.purchaseStream.listen(
      _onPurchaseUpdated,
      onDone: () {
        appLog('purchaseStream done');
        _subscription?.cancel();
        _subscription = null;
      },
      onError: (Object e) {
        appLog('purchaseStream error: $e');
      },
    );

    //商品情報の取得(価格表示などに利用)
    await _loadProduct();
  }

  Future<void> _loadProduct() async {
    try {
      final response = await _iap.queryProductDetails(<String>{productId});
      if (response.error != null) {
        appLog('queryProductDetails error: ${response.error}');
      }
      if (response.notFoundIDs.isNotEmpty) {
        appLog('Product NOT FOUND in store: ${response.notFoundIDs}. '
            'ストア側の登録漏れ・申請待ち・テストアカウント未設定の可能性があります。');
        _eventController.add(
          PurchaseEvent(PurchaseEventType.notFound, productId, 'Product not found on store.'),
        );
      }
      if (response.productDetails.isNotEmpty) {
        final loaded = response.productDetails.first;
        productNotifier.value = loaded;
        appLog('Loaded product: id=${loaded.id} '
            'title="${loaded.title}" price=${loaded.price} '
            '(${loaded.currencyCode})');
      }
    } catch (e) {
      appLog('queryProductDetails exception: $e');
    }
  }

  /// 広告削除の購入を開始する。
  /// 実際の購入成否は [events] ストリームに流れてくる。
  /// 戻り値はストアに購入リクエストを「投げられたか」のみ。
  Future<bool> purchaseRemoveAds() async {
    if (!_isAvailable) {
      appLog('purchaseRemoveAds: store unavailable');
      _eventController.add(
        PurchaseEvent(PurchaseEventType.unavailable, productId, 'Store is not available.'),
      );
      return false;
    }
    //既に購入済みなら何もしない
    if (isAdsRemoved) {
      appLog('purchaseRemoveAds: already purchased — skipping');
      _eventController.add(
        PurchaseEvent(PurchaseEventType.restored, productId,'Already purchased.'),
      );
      return true;
    }
    //商品情報がまだ無ければ再取得
    if (productNotifier.value == null) {
      appLog('purchaseRemoveAds: product not loaded yet — retrying load');
      await _loadProduct();
    }
    final product = productNotifier.value;
    if (product == null) {
      appLog('purchaseRemoveAds: product still null — abort');
      _eventController.add(
        PurchaseEvent(PurchaseEventType.notFound, productId, 'Product not loaded.'),
      );
      return false;
    }
    try {
      final param = PurchaseParam(productDetails: product);
      appLog('Calling buyNonConsumable for ${product.id}');
      final ok = await _iap.buyNonConsumable(purchaseParam: param);
      appLog('buyNonConsumable accepted=$ok');
      return ok;
    } catch (e) {
      appLog('purchaseRemoveAds exception: $e');
      _eventController.add(
        PurchaseEvent(PurchaseEventType.error, productId, e.toString()),
      );
      return false;
    }
  }

  /// 購入の復元。iOS は明示呼び出しが必須。Android も明示的に対応するために用意。
  Future<void> restorePurchases() async {
    if (!_isAvailable) {
      appLog('restorePurchases: store unavailable');
      _eventController.add(
        PurchaseEvent(PurchaseEventType.unavailable, productId, 'Store is not available.'),
      );
      return;
    }
    try {
      appLog('restorePurchases: requesting…');
      await _iap.restorePurchases();
      appLog('restorePurchases: request issued (results come via purchaseStream)');
    } catch (e) {
      appLog('restorePurchases exception: $e');
      _eventController.add(
        PurchaseEvent(PurchaseEventType.error, productId, e.toString()),
      );
    }
  }

  Future<void> _onPurchaseUpdated(List<PurchaseDetails> list) async {
    for (final p in list) {
      appLog('purchaseStream update: id=${p.productID} status=${p.status} '
          'pendingComplete=${p.pendingCompletePurchase} '
          'error=${p.error?.message}');
      switch (p.status) {
        case PurchaseStatus.pending:
          _eventController.add(
              PurchaseEvent(PurchaseEventType.pending, p.productID));
          break;
        case PurchaseStatus.purchased:
        case PurchaseStatus.restored:
          if (p.productID == productId) {
            //ここで本来はサーバーレシート検証を行うのが望ましいが、
            //本アプリは単純な広告削除のみのためローカル保存で完結させる。
            await _setAdsRemoved(true);
            final type = p.status == PurchaseStatus.purchased
                ? PurchaseEventType.purchased
                : PurchaseEventType.restored;
            appLog(type == PurchaseEventType.purchased
                ? '✅ 購入成功 (${p.productID})'
                : '✅ 購入を復元 (${p.productID})');
            _eventController.add(PurchaseEvent(type, p.productID));
          }
          break;
        case PurchaseStatus.error:
          appLog('❌ 購入エラー: ${p.error?.code} ${p.error?.message}');
          _eventController.add(
            PurchaseEvent(PurchaseEventType.error, p.productID,
                p.error?.message),
          );
          break;
        case PurchaseStatus.canceled:
          appLog('⚠️ 購入キャンセル (${p.productID})');
          _eventController.add(
              PurchaseEvent(PurchaseEventType.canceled, p.productID));
          break;
      }
      //ストアに「処理完了」を通知。これを呼ばないと再起動時に同じ購入がループする。
      if (p.pendingCompletePurchase) {
        try {
          await _iap.completePurchase(p);
          appLog('completePurchase done for ${p.productID}');
        } catch (e) {
          appLog('completePurchase exception: $e');
        }
      }
    }
  }

  Future<void> _setAdsRemoved(bool value) async {
    isAdsRemovedNotifier.value = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setBool(prefKey, value);
    appLog('SharedPreferences saved: $prefKey=$value');
  }

  /// テスト用:購入状態をクリアして初期状態に戻す(配布版では絶対に呼ばないこと)
  @visibleForTesting
  Future<void> debugResetPurchase() async {
    await _setAdsRemoved(false);
    appLog('debugResetPurchase: cleared');
  }

  void dispose() {
    _subscription?.cancel();
    _subscription = null;
    _eventController.close();
    productNotifier.dispose();
    isAdsRemovedNotifier.dispose();
  }

}
/// Copyright© ao-system, Inc.

import 'dart:async';
import 'dart:io' show Platform;
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:flutter/material.dart';
import 'package:in_app_purchase/in_app_purchase.dart' show ProductDetails;

import 'package:roulettewheel/purchase_service.dart';
import 'package:roulettewheel/l10n/app_localizations.dart';

/// 広告削除(IAP)の説明・購入・復元 ページ。
/// PurchaseService と組み合わせるだけで他アプリでも流用できる単独ページ。
class RemoveAdsPage extends StatefulWidget {
  const RemoveAdsPage({super.key});

  @override
  State<RemoveAdsPage> createState() => _RemoveAdsPageState();
}

class _RemoveAdsPageState extends State<RemoveAdsPage> {
  StreamSubscription<PurchaseEvent>? _eventSub;
  bool _busy = false;

  @override
  void initState() {
    super.initState();
    //購入イベントを購読して SnackBar 表示
    _eventSub = PurchaseService.instance.events.listen(_onPurchaseEvent);
  }

  @override
  void dispose() {
    _eventSub?.cancel();
    super.dispose();
  }

  void _onPurchaseEvent(PurchaseEvent e) {
    if (!mounted) return;
    final AppLocalizations l = AppLocalizations.of(context)!;
    String? text;
    switch (e.type) {
      case PurchaseEventType.pending:
        text = l.removeAdProcessing;
        break;
      case PurchaseEventType.purchased:
        text = l.removeAdSuccess;
        break;
      case PurchaseEventType.restored:
        text = l.removeAdRestored;
        break;
      case PurchaseEventType.canceled:
        text = l.removeAdCanceled;
        break;
      case PurchaseEventType.error:
        text = '${l.removeAdFailed} ${e.message ?? ""}';
        break;
      case PurchaseEventType.notFound:
        text = l.removeAdProductNotFound;
        break;
      case PurchaseEventType.unavailable:
        text = l.removeAdStoreUnavailable;
        break;
    }
    setState(() => _busy = false);
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(content: Text(text)),
    );
  }

  Future<void> _onPurchase() async {
    setState(() => _busy = true);
    final accepted = await PurchaseService.instance.purchaseRemoveAds();
    //accepted は「リクエストを投げられたか」のみ。結果は events から届く。
    if (!accepted && mounted) {
      setState(() => _busy = false);
    }
  }

  Future<void> _onRestore() async {
    setState(() => _busy = true);
    await PurchaseService.instance.restorePurchases();
    //復元結果も events から届く。一定時間後に busy を戻すフォールバック。
    Future.delayed(const Duration(seconds: 4), () {
      if (mounted && _busy) {
        setState(() => _busy = false);
      }
    });
  }

  bool get _isIOS => !kIsWeb && Platform.isIOS;
  bool get _isAndroid => !kIsWeb && Platform.isAndroid;

  @override
  Widget build(BuildContext context) {
    final AppLocalizations l = AppLocalizations.of(context)!;
    final TextTheme t = Theme.of(context).textTheme;
    return Scaffold(
      appBar: AppBar(
        title: Text(l.removeAdTitle,style: t.titleMedium),
        centerTitle: true,
        leading: IconButton(
          icon: const Icon(Icons.arrow_back),
          onPressed: () => Navigator.of(context).pop(),
        ),
      ),
      body: SafeArea(
        child: ValueListenableBuilder<bool>(
          valueListenable: PurchaseService.instance.isAdsRemovedNotifier,
          builder: (context, isAdsRemoved, _) {
            //商品情報(価格)はストアから非同期に届くので、productNotifier でも再ビルド。
            //ProductDetails.price はストア側でローカライズ済み(例: ¥450, $2.99, €3.19)。
            return ValueListenableBuilder<ProductDetails?>(
              valueListenable: PurchaseService.instance.productNotifier,
              builder: (context, product, _) {
                final priceText = product?.price;
                return SingleChildScrollView(
                  padding: const EdgeInsets.only(left: 20, right: 20, top: 16, bottom: 100),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.stretch,
                    children: [
                      _statusBanner(isAdsRemoved, priceText, l, t),
                      const SizedBox(height: 20),
                      _section(
                        title: l.removeAdWhatIs,
                        body: l.removeAdDescription,
                        t: t,
                      ),
                      const SizedBox(height: 16),
                      _section(
                        title: l.removeAdPriceSection,
                        body: _priceSectionBody(priceText, l),
                        t: t,
                      ),
                      const SizedBox(height: 16),
                      _section(
                        title: l.removeAdCaution,
                        body: l.removeAdCautionText,
                        t: t,
                      ),
                      const SizedBox(height: 16),
                      _platformSection(l, t),
                      const SizedBox(height: 16),
                      _section(
                        title: l.removeAdDeviceChange,
                        body: _isIOS
                          ? l.removeAdDeviceChangeIOS
                          : _isAndroid
                            ? l.removeAdDeviceChangeAndroid
                            : l.removeAdRestoreNote,
                        t: t,
                      ),
                      const SizedBox(height: 16),
                      _section(
                        title: l.removeAdNotReflected,
                        body: l.removeAdNotReflectedText,
                        t: t,
                      ),
                      const SizedBox(height: 24),
                      _purchaseActions(isAdsRemoved, product, l),
                    ],
                  ),
                );
              },
            );
          },
        ),
      ),
    );
  }

  String _storeName() {
    if (_isIOS) {
      return 'App Store';
    }
    if (_isAndroid) {
      return 'Google Play';
    }
    return 'Application Store';
  }

  //ストアから取得したローカライズ価格(例: ¥450, $2.99, €3.19)を埋め込む。
  //未取得時はフォールバック表示。
  String _priceSectionBody(String? priceText, AppLocalizations l) {
    final priceLine = priceText != null
        ? '${l.removeAdPriceLabel}: ${priceText} ${l.removeAdPriceNote}'
        : '${l.removeAdPriceLabel}: ${l.removeAdPriceFallback}';
    return '$priceLine\n${l.removeAdBillingType} ${_storeName()}';
  }

  Widget _statusBanner(bool isAdsRemoved, String? priceText, AppLocalizations l, TextTheme t) {
    if (isAdsRemoved) {
      return Container(
        padding: const EdgeInsets.all(16),
        decoration: BoxDecoration(
          color: Colors.green.withValues(alpha: 0.12),
          borderRadius: BorderRadius.circular(12),
          border: Border.all(color: Colors.green.withValues(alpha: 0.4)),
        ),
        child: Row(
          children: [
            const Icon(Icons.check_circle, color: Colors.green),
            const SizedBox(width: 12),
            Expanded(
              child: Text(l.removeAdAlreadyPurchased, style: t.bodyMedium),
            ),
          ],
        ),
      );
    }
    return Container(
      padding: const EdgeInsets.all(16),
      decoration: BoxDecoration(
        color: Theme.of(context).colorScheme.primary.withValues(alpha: 0.08),
        borderRadius: BorderRadius.circular(12),
        border: Border.all(
            color: Theme.of(context).colorScheme.primary.withValues(alpha: 0.3)),
      ),
      child: Center(
        child: Text(
          priceText != null ? '${l.removeAdOneTime} $priceText' : '${l.removeAdOneTime}',
          style: t.titleMedium,
        )
      )
    );
  }

  Widget _section({
    required String title,
    required String body,
    required TextTheme t,
  }) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text(title, style: t.titleMedium),
        const SizedBox(height: 8),
        Text(body, style: t.bodyMedium?.copyWith(height: 1.6)),
      ],
    );
  }

  Widget _platformSection(AppLocalizations l, TextTheme t) {
    if (_isIOS) {
      return _section(
        title: l.removeAdIOS,
        body: l.removeAdIOSText,
        t: t,
      );
    }
    if (_isAndroid) {
      return _section(
        title: l.removeAdAndroid,
        body: l.removeAdAndroidText,
        t: t,
      );
    }
    return _section(
      title: l.removeAdPlatform,
      body: l.removeAdPlatformNote,
      t: t,
    );
  }

  Widget _purchaseActions(bool isAdsRemoved, ProductDetails? product, AppLocalizations l) {
    if (isAdsRemoved) {
      return OutlinedButton.icon(
        onPressed: _busy ? null : _onRestore,
        icon: const Icon(Icons.restore),
        label: Text(l.removeAdRestore),
      );
    }
    final svc = PurchaseService.instance;
    final price = product?.price;
    final canBuy = svc.isAvailable && product != null && !_busy;
    return Column(
      children: [
        SizedBox(
          width: double.infinity,
          child: ElevatedButton.icon(
            onPressed: canBuy ? _onPurchase : null,
            icon: _busy
                ? const SizedBox(
                    width: 18,
                    height: 18,
                    child: CircularProgressIndicator(strokeWidth: 2),
                  )
                : const Icon(Icons.shopping_cart),
            label: Text(price != null ? '${l.removeAdBuy} (${price})' : '${l.removeAdBuy}'),
            style: ElevatedButton.styleFrom(
              padding: const EdgeInsets.symmetric(vertical: 14),
            ),
          ),
        ),
        const SizedBox(height: 12),
        SizedBox(
          width: double.infinity,
          child: OutlinedButton.icon(
            onPressed: _busy ? null : _onRestore,
            icon: const Icon(Icons.restore),
            label: Text(l.removeAdRestore),
            style: OutlinedButton.styleFrom(
              padding: const EdgeInsets.symmetric(vertical: 14),
            ),
          ),
        ),
        if (!svc.isAvailable) ...[
          const SizedBox(height: 12),
          Text(l.removeAdStoreUnavailableNetwork,
            style: Theme.of(context).textTheme.bodySmall,
            textAlign: TextAlign.center,
          ),
        ] else if (product == null) ...[
          const SizedBox(height: 12),
          Text(l.removeAdLoadingProduct,
            style: Theme.of(context).textTheme.bodySmall,
            textAlign: TextAlign.center,
          ),
        ],
      ],
    );
  }
}
/// Copyright© ao-system, Inc.

class RouletteHistory {
  final String number;
  final String color;

  RouletteHistory(this.number, this.color);
}
/// Copyright© ao-system, Inc.

class RouletteSlot {
  final String number;
  final String color;

  const RouletteSlot(this.number, this.color);
}
/// Copyright© ao-system, Inc.

import 'package:flutter/material.dart';

import 'package:roulettewheel/theme_color.dart';
import 'package:roulettewheel/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 'package:app_settings/app_settings.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:google_mobile_ads/google_mobile_ads.dart';
import 'package:in_app_review/in_app_review.dart';

import 'package:roulettewheel/_secrets.dart';
import 'package:roulettewheel/ad_banner_widget.dart';
import 'package:roulettewheel/ad_ump_status.dart';
import 'package:roulettewheel/app_log.dart';
import 'package:roulettewheel/att_service.dart';
import 'package:roulettewheel/l10n/app_localizations.dart';
import 'package:roulettewheel/loading_screen.dart';
import 'package:roulettewheel/model.dart';
import 'package:roulettewheel/purchase_service.dart';
import 'package:roulettewheel/remove_ads_page.dart';
import 'package:roulettewheel/setting_card.dart';
import 'package:roulettewheel/text_to_speech.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;
  final _inAppReview = InAppReview.instance;
  bool _wakelockEnabled = true;
  int _schemeColor = 0;
  int _themeNumber = 0;
  String _languageCode = '';
  bool _isReady = false;
  int _shortTime = 0;
  int _rouletteType = 0;
  bool _clearHistory = false;
  bool _showNoMoreBets = true;
  bool _sayNoMoreBets = true;
  bool _showResult = true;
  bool _readOutResult = true;
  bool _showHistory = true;
  bool _countdown = false;
  double _soundVolume = 0.5;
  bool _ttsEnabled = true;
  String _ttsVoiceId = '';
  double _ttsVolume = 1.0;
  Color _accentColor = Colors.red;

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

  void _initState() async {
    //ump
    _adUmpService = AdUmpService();
    await _refreshConsentInfo();
    //model
    _shortTime = Model.shortTime;
    _rouletteType = Model.rouletteType;
    _showNoMoreBets = Model.showNoMoreBets;
    _sayNoMoreBets = Model.sayNoMoreBets;
    _showResult = Model.showResult;
    _readOutResult = Model.readOutResult;
    _showHistory = Model.showHistory;
    _countdown = Model.countdown;
    _soundVolume = Model.soundVolume;
    _ttsEnabled = Model.ttsEnabled;
    _ttsVoiceId = Model.ttsVoiceId;
    _ttsVolume = Model.ttsVolume;
    _wakelockEnabled = Model.wakelockEnabled;
    _schemeColor = Model.schemeColor;
    _accentColor = _getRainbowAccentColor(_schemeColor);
    _themeNumber = Model.themeNumber;
    _languageCode = Model.languageCode;
    //speech
    await TextToSpeech.applyPreferences(Model.ttsVoiceId,Model.ttsVolume);
    setState(() {
      _isReady = true;
    });
  }

  @override
  void dispose() {
    unawaited(TextToSpeech.stop());
    super.dispose();
  }

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

  Color _getRainbowAccentColor(int hue) {
    return HSVColor.fromAHSV(1.0, hue.toDouble(), 1.0, 1.0).toColor();
  }

  void _onApply() async {
    FocusScope.of(context).unfocus();
    await Model.setShortTime(_shortTime);
    await Model.setRouletteType(_rouletteType);
    await Model.setClearHistory(_clearHistory);
    await Model.setShowNoMoreBets(_showNoMoreBets);
    await Model.setSayNoMoreBets(_sayNoMoreBets);
    await Model.setShowResult(_showResult);
    await Model.setReadOutResult(_readOutResult);
    await Model.setShowHistory(_showHistory);
    await Model.setCountdown(_countdown);
    await Model.setSoundVolume(_soundVolume);
    await Model.setTtsEnabled(_ttsEnabled);
    await Model.setTtsVolume(_ttsVolume);
    await Model.setTtsVoiceId(_ttsVoiceId);
    await Model.setWakelockEnabled(_wakelockEnabled);
    await Model.setSchemeColor(_schemeColor);
    await Model.setThemeNumber(_themeNumber);
    await Model.setLanguageCode(_languageCode);
    if (!mounted) {
      return;
    }
    Navigator.of(context).pop(true);
  }

  @override
  Widget build(BuildContext context) {
    if (!_isReady) {
      return LoadingScreen();
    }
    final l = AppLocalizations.of(context)!;
    final TextTheme t = Theme.of(context).textTheme;
    return Scaffold(
      backgroundColor: Theme.of(context).colorScheme.surface,
      appBar: AppBar(
        automaticallyImplyLeading: false,
        leading: IconButton(
          icon: const Icon(Icons.close),
          tooltip: l.cancel,
          onPressed: () => Navigator.of(context).pop(),
        ),
        title: null,
        actions: [
          Padding(
            padding: const EdgeInsets.only(right: 10),
            child: IconButton(
              onPressed: _onApply,
              tooltip: l.apply,
              icon: const Icon(Icons.check),
            ),
          ),
        ],
      ),
      body: SafeArea(
        child: Column(
          children: [
            Expanded(
              child: SingleChildScrollView(
                padding: const EdgeInsets.only(left: 12, right: 12, top: 0, bottom: 100),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    _buildShortTime(l, t),
                    _buildRouletteType(l, t),
                    _buildClearHistory(l, t),
                    _buildShow(l, t),
                    _buildSoundVolume(l, t),
                    _buildSpeechSettings(l, t),
                    _buildWakelockEnabled(l, t),
                    _buildSchemeColor(l, t),
                    _buildTheme(l, t),
                    _buildLanguage(l, t),
                    _buildRemoveAds(l, t),
                    _buildReview(l, t),
                    _buildCmp(l, t),
                    _buildAtt(l, t),
                  ],
                ),
              ),
            ),
          ],
        ),
      ),
      bottomNavigationBar: const AdBannerWidget(),
    );
  }

  Widget _buildShortTime(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        title: Text(l.shortTime, style: t.bodyMedium),
        subtitle: Row(
          children: [
            Text(_shortTime.toStringAsFixed(0)),
            const SizedBox(width: 12),
            Expanded(
              child: Slider(
                value: _shortTime.toDouble(),
                min: 0,
                max: 10,
                divisions: 10,
                label: _shortTime.toStringAsFixed(0),
                onChanged: (value) {
                  setState(() {
                    _shortTime = value.toInt();
                  });
                },
              ),
            ),
          ],
        ),
      ),
    );
  }

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

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

  Widget _buildShow(AppLocalizations l, TextTheme t) {
    return Column(
      children: [
        SettingCard.top(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.showNoMoreBets, style: t.bodyMedium),
            trailing: Switch(
              value: _showNoMoreBets,
              onChanged: (value) {
                setState(() {
                  _showNoMoreBets = value;
                });
              },
            ),
          ),
        ),
        SettingCard.flat(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.sayNoMoreBets, style: t.bodyMedium),
            trailing: Switch(
              value: _sayNoMoreBets,
              onChanged: (value) {
                setState(() {
                  _sayNoMoreBets = value;
                });
              },
            ),
          ),
        ),
        SettingCard.flat(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.showResult, style: t.bodyMedium),
            trailing: Switch(
              value: _showResult,
              onChanged: (value) {
                setState(() {
                  _showResult = value;
                });
              },
            ),
          ),
        ),
        SettingCard.flat(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.readOutResult, style: t.bodyMedium),
            trailing: Switch(
              value: _readOutResult,
              onChanged: (value) {
                setState(() {
                  _readOutResult = value;
                });
              },
            ),
          ),
        ),
        SettingCard.flat(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.showHistory, style: t.bodyMedium),
            trailing: Switch(
              value: _showHistory,
              onChanged: (value) {
                setState(() {
                  _showHistory = value;
                });
              },
            ),
          ),
        ),
        SettingCard.bottom(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.countdown, style: t.bodyMedium),
            trailing: Switch(
              value: _countdown,
              onChanged: (value) {
                setState(() {
                  _countdown = value;
                });
              },
            ),
          ),
        ),
      ]
    );
  }

  Widget _buildSoundVolume(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: Column(
        children: [
          Padding(
            padding: const EdgeInsets.only(left: 16, right: 16, top: 8, bottom: 0),
            child: Row(
              children: [
                Text(l.soundVolume),
                const Spacer(),
              ],
            ),
          ),
          Padding(
            padding: const EdgeInsets.only(left: 16, right: 16, top: 0, bottom: 8),
            child: Row(
              children: <Widget>[
                Text(_soundVolume.toStringAsFixed(1)),
                Expanded(
                  child: Slider(
                    value: _soundVolume,
                    min: 0.0,
                    max: 1.0,
                    divisions: 10,
                    label: _soundVolume.toStringAsFixed(1),
                    onChanged: (double value) {
                      setState(() {
                        _soundVolume = double.parse(value.toStringAsFixed(1));
                      });
                    }
                  ),
                ),
              ],
            ),
          ),
        ],
      )
    );
  }

  Widget _buildSpeechSettings(AppLocalizations l, TextTheme t) {
    if (TextToSpeech.ttsVoices.isEmpty) {
      return SizedBox.shrink();
    }
    return Column(
      children: [
        SettingCard.top(
          child: Padding(
            padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            child: Row(
              children: [
                Expanded(
                  child: Text(l.ttsEnabled),
                ),
                Switch(
                  value: _ttsEnabled,
                  onChanged: (bool value) {
                    setState(() {
                      _ttsEnabled = value;
                    });
                  },
                ),
              ],
            ),
          )
        ),
        SettingCard.flat(
          child: Column(
            children:[
              Padding(
                padding: const EdgeInsets.only(left: 16, right: 16, top: 8, bottom: 0),
                child: Row(
                  children: [
                    Text(l.ttsVolume),
                    const Spacer(),
                  ],
                ),
              ),
              Padding(
                padding: const EdgeInsets.only(left: 16, right: 16, top: 0, bottom: 8),
                child: Row(
                  children: <Widget>[
                    Text(_ttsVolume.toStringAsFixed(1)),
                    Expanded(
                      child: Slider(
                        value: _ttsVolume,
                        min: 0.0,
                        max: 1.0,
                        divisions: 10,
                        label: _ttsVolume.toStringAsFixed(1),
                        onChanged: _ttsEnabled
                            ? (double 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 _buildSchemeColor(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        title: Text(l.colorScheme, style: t.bodyMedium),
        subtitle: Row(
          children: [
            Text(_schemeColor.toStringAsFixed(0)),
            const SizedBox(width: 12),
            Expanded(
              child: SliderTheme(
                data: SliderTheme.of(context).copyWith(
                  activeTrackColor: _accentColor,
                  inactiveTrackColor: _accentColor.withValues(alpha: 0.3),
                  thumbColor: _accentColor,
                  overlayColor: _accentColor.withValues(alpha: 0.2),
                  valueIndicatorColor: _accentColor,
                ),
                child: Slider(
                  value: _schemeColor.toDouble(),
                  min: 0,
                  max: 360,
                  divisions: 360,
                  label: _schemeColor.toString(),
                  onChanged: (value) {
                    setState(() {
                      _schemeColor = value.toInt();
                      _accentColor = _getRainbowAccentColor(_schemeColor);
                    });
                  },
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  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 _buildRemoveAds(AppLocalizations l, TextTheme t) {
    return ValueListenableBuilder<bool>(
      valueListenable: PurchaseService.instance.isAdsRemovedNotifier,
      builder: (context, isAdsRemoved, _) {
        return SettingCard(
          child: ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.removeAdTitle, style: t.bodyMedium),
            subtitle: Column(
              crossAxisAlignment: CrossAxisAlignment.center,
              children: [
                const SizedBox(height: 8),
                if (isAdsRemoved)
                  Chip(
                    avatar: const Icon(Icons.check_circle, size: 18),
                    label: Text(l.removeAdPurchased),
                  ),
                if (isAdsRemoved) const SizedBox(height: 8),
                OutlinedButton.icon(
                  icon: const Icon(Icons.info_outline, size: 16),
                  label: Text(l.removeAdHowTo, style: t.bodySmall),
                  onPressed: () {
                    Navigator.of(context).push(
                      MaterialPageRoute(
                        builder: (_) => const RemoveAdsPage(),
                      ),
                    );
                  },
                ),
              ],
            ),
          ),
        );
      },
    );
  }

  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) {
                          appLog('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';

import 'package:roulettewheel/model.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;

  Color _getRainbowAccentColor(int hue, double saturation, double value) {
    return HSVColor.fromAHSV(1.0, hue.toDouble(), saturation, value).toColor();
  }

  //main page
  Color get mainBackColor => _isLight ? _getRainbowAccentColor(Model.schemeColor,1,0.4) : _getRainbowAccentColor(Model.schemeColor,1,0.1);
  Color get mainBack2Color => _isLight ? _getRainbowAccentColor(Model.schemeColor,1,0.8) : _getRainbowAccentColor(Model.schemeColor,1,0.4);
  Color get mainButtonBackColor => _isLight ? Color.fromRGBO(255,255,255,0.2) : Color.fromRGBO(0,0,0,0.3);
  Color get mainButtonForeColor => _isLight ? Color.fromRGBO(255,255,255,1) : Color.fromRGBO(255,255,255,0.8);
  //setting page
  Color get backColor => _isLight ? Colors.grey[300]! : 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 'dart:math' as math;
import 'package:flutter/material.dart';
import 'package:roulettewheel/color_utils.dart';
import 'package:roulettewheel/model.dart';

class WheelView extends StatelessWidget {
  final double size;          //描画領域(ルーレット全体のコンテナ)のサイズ
  final double wheelAngleDeg; //ホイールの回転角度(度数法)
  final double ballAngleDeg;  //ボールの回転角度(度数法)
  final double ballDistanceRatio; //ホイール中心からボールまでの距離の割合(半径に対する比率)
  final bool ballVisible;     //ボールの表示/非表示フラグ
  final double alphaThree;    //カウントダウン「3」画像の透明度(0.0:非表示~1.0:表示)
  final double alphaTwo;      //カウントダウン「2」画像の透明度
  final double alphaOne;      //カウントダウン「1」画像の透明度
  final double alphaNoMoreBets; //「No More Bets」画像の透明度
  final double alphaResult;   //当選結果テキスト表示領域の透明度
  final String resultText;    //表示する当選結果のテキスト(例: "0", "00", "32")
  final String resultColor;   //当選結果の背景色コード("g":緑, "r":赤, "k":黒)

  const WheelView({
    super.key,
    required this.size,
    required this.wheelAngleDeg,
    required this.ballAngleDeg,
    required this.ballDistanceRatio,
    required this.ballVisible,
    required this.alphaThree,
    required this.alphaTwo,
    required this.alphaOne,
    required this.alphaNoMoreBets,
    required this.alphaResult,
    required this.resultText,
    required this.resultColor,
  });

  @override
  Widget build(BuildContext context) {
    return LayoutBuilder(
      builder: (context, constraints) {
        //正方形の描画領域を強制(縦横でズレない)
        final realSize = math.min(constraints.maxWidth, constraints.maxHeight);
        //ボール位置計算(90°回転含む)
        final ballPos = _calcBallPosition(realSize, ballAngleDeg, ballDistanceRatio);
        final wheelAngleRad = wheelAngleDeg * math.pi / 180;
        final ballSize = realSize * 0.04;
        final wheelImage = Model.rouletteType == 0
            ? 'assets/image/roulettewheel_american.webp'
            : 'assets/image/roulettewheel_european.webp';
        return Center(
          child: SizedBox(
            width: realSize,
            height: realSize,
            child: Stack(
              children: [
                //Base
                Positioned.fill(
                  child: Image.asset(
                    'assets/image/roulettewheel_base.webp',
                    fit: BoxFit.contain,
                  ),
                ),
                //Rotating wheel
                Positioned.fill(
                  child: Transform.rotate(
                    angle: wheelAngleRad,
                    child: Image.asset(
                      wheelImage,
                      fit: BoxFit.contain,
                    ),
                  ),
                ),
                //Ball
                Positioned(
                  left: ballPos.dx - ballSize / 2,
                  top:  ballPos.dy - ballSize / 2,
                  child: Opacity(
                    opacity: ballVisible ? 1.0 : 0.0,
                    child: Image.asset(
                      'assets/image/ball.png',
                      width: ballSize,
                      height: ballSize,
                    ),
                  ),
                ),
                //Overlays
                Positioned.fill(
                  child: AnimatedOpacity(
                    opacity: alphaThree,
                    duration: const Duration(milliseconds: 300),
                    child: Image.asset('assets/image/three.png'),
                  ),
                ),
                Positioned.fill(
                  child: AnimatedOpacity(
                    opacity: alphaTwo,
                    duration: const Duration(milliseconds: 300),
                    child: Image.asset('assets/image/two.png'),
                  ),
                ),
                Positioned.fill(
                  child: AnimatedOpacity(
                    opacity: alphaOne,
                    duration: const Duration(milliseconds: 300),
                    child: Image.asset('assets/image/one.png'),
                  ),
                ),
                Positioned.fill(
                  child: AnimatedOpacity(
                    opacity: alphaNoMoreBets,
                    duration: const Duration(milliseconds: 300),
                    child: Image.asset('assets/image/nomorebets.png'),
                  ),
                ),
                Positioned.fill(
                  child: AnimatedOpacity(
                    opacity: alphaResult,
                    duration: const Duration(milliseconds: 500),
                    child: Align(
                      alignment: Alignment.topLeft,
                      child: Container(
                        padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 3),
                        decoration: BoxDecoration(
                          color: colorFromCode(resultColor),
                          borderRadius: BorderRadius.circular(30),
                          border: Border.all(color: Colors.white, width: 1),
                        ),
                        child: Text(
                          resultText,
                          style: const TextStyle(
                            color: Colors.white,
                            fontSize: 48,
                            fontWeight: FontWeight.bold,
                          ),
                        ),
                      ),
                    ),
                  ),
                ),
              ],
            ),
          )
        );
      },
    );
  }

  Offset _calcBallPosition(double realSize, double angleDeg, double distanceRatio) {
    //中心座標
    final cx = realSize / 2;
    final cy = realSize / 2;
    //軌道半径
    final radius = (realSize / 2) * distanceRatio;
    //90度回転補正
    final rad = (angleDeg + 90) * math.pi / 180;
    //ボール位置
    final x = cx + math.cos(rad) * radius;
    final y = cy + math.sin(rad) * radius;
    return Offset(x, y);
  }
}