Source code

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

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

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

Last build date: 2026-06-19

name: lotterynixie
description: "LotteryNixie"

publish_to: 'none'

version: 1.7.0+24

environment:
  sdk: ^3.11.5

dependencies:   #flutter pub upgrade --major-versions
  flutter:
    sdk: flutter
  cupertino_icons: ^1.0.8
  package_info_plus: ^10.1.0
  shared_preferences: ^2.0.17
  flutter_localizations:    #flutter gen-l10n
    sdk: flutter
  intl: ^0.20.2
  flutter_tts: ^4.2.3
  google_mobile_ads: ^9.0.0
  just_audio: ^0.10.4
  collection: ^1.19.1
  wakelock_plus: ^1.4.0
  in_app_review: ^2.0.11
  app_settings: ^7.0.0
  in_app_purchase: ^3.2.0

dev_dependencies:
  flutter_lints: ^6.0.0
  flutter_launcher_icons: ^0.14.4    #flutter pub run flutter_launcher_icons
  flutter_native_splash: ^2.3.2     #flutter pub run flutter_native_splash:create

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

flutter_native_splash:
  color: '#3d241f'
  image: 'assets/image/splash.png'
  color_dark: '#3d241f'
  image_dark: 'assets/image/splash.png'
  fullscreen: true
  android_12:
    icon_background_color: '#3d241f'
    image: 'assets/image/splash.png'
    icon_background_color_dark: '#3d241f'
    image_dark: 'assets/image/splash.png'

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

  assets:
    - assets/image/
    - assets/sound/

/// Copyright© ao-system, Inc.

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

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

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

class _AdBannerWidgetState extends State<AdBannerWidget> {
  int _lastBannerWidthDp = 0;
  bool _isAdLoaded = false;
  bool _isLoading = false;
  @override
  Widget build(BuildContext context) {
    //購入済み(広告削除)の場合は何も表示しない
    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();
              final bannerAd = widget.adManager.bannerAd;
              if (width > 0) {
                WidgetsBinding.instance.addPostFrameCallback((_) {
                  if (mounted) {
                    final bannerAd = widget.adManager.bannerAd;
                    final bool widthChanged = _lastBannerWidthDp != width;
                    final bool sizeMismatch = bannerAd == null || bannerAd.size.width != width;
                    if ((widthChanged || !_isAdLoaded || sizeMismatch) && !_isLoading) {
                      _lastBannerWidthDp = width;
                      setState(() { _isAdLoaded = false; _isLoading = true; });
                      widget.adManager.loadAdaptiveBannerAd(width, () {
                        if (mounted) {
                          setState(() { _isAdLoaded = true; _isLoading = false; });
                        }
                      });
                    }
                  }
                });
              }
              if (_isAdLoaded && bannerAd != null) {
                return Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    SizedBox(height: 10),
                    Row(
                      mainAxisAlignment: MainAxisAlignment.center,
                      children: [
                        SizedBox(
                          width: bannerAd.size.width.toDouble(),
                          height: bannerAd.size.height.toDouble(),
                          child: AdWidget(ad: bannerAd),
                        ),
                      ],
                    )
                  ]
                );
              } else {
                return const SizedBox.shrink();
              }
            },
          ),
        );
      },
    );
  }
}
/// Copyright© ao-system, Inc.

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

import 'package:lotterynixie/_secrets.dart';

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

  BannerAd? get bannerAd => _bannerAd;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

class AdUmpService {
  final AdUmpConsentController _adUmpConsentController = AdUmpConsentController();

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

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

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

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

import 'package:flutter/services.dart';

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

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

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

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

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

//一緒に利用する enum とヘルパー関数

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

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

import 'package:just_audio/just_audio.dart';

import 'package:lotterynixie/const_value.dart';

class AudioPlay {
  //音を重ねて連続再生できるようにインスタンスを用意しておき、順繰りに使う。
  static final List<AudioPlayer> _playerMachineStart = [
    AudioPlayer(),
    AudioPlayer(),
  ];
  static final List<AudioPlayer> _playerMachineStop = [
    AudioPlayer(),
    AudioPlayer(),
    AudioPlayer(),
    AudioPlayer(),
    AudioPlayer(),
    AudioPlayer(),
    AudioPlayer(),
    AudioPlayer(),
    AudioPlayer(),
    AudioPlayer(),
  ];
  static final List<AudioPlayer> _playerPrize = [
    AudioPlayer(),
    AudioPlayer(),
  ];
  int _playerMachineStartPtr = 0;
  int _playerMachineStopPtr = 0;
  int _playerPrizePtr = 0;

  double _machineSoundVolume = 1.0;
  double _prizeSoundVolume = 1.0;

  //constructor
  AudioPlay() {
    _initial();
  }
  void _initial() async {
    for (int i = 0; i < _playerMachineStart.length; i++) {
      await _playerMachineStart[i].setVolume(0);
      await _playerMachineStart[i].setAsset(ConstValue.audioMachineStart);
    }
    for (int i = 0; i < _playerMachineStop.length; i++) {
      await _playerMachineStop[i].setVolume(0);
      await _playerMachineStop[i].setAsset(ConstValue.audioMachineStop);
    }
    for (int i = 0; i < _playerPrize.length; i++) {
      await _playerPrize[i].setVolume(0);
      await _playerPrize[i].setAsset(ConstValue.audioPrize);
    }
  }
  void dispose() {
    for (int i = 0; i < _playerMachineStart.length; i++) {
      _playerMachineStart[i].dispose();
    }
    for (int i = 0; i < _playerMachineStop.length; i++) {
      _playerMachineStop[i].dispose();
    }
    for (int i = 0; i < _playerPrize.length; i++) {
      _playerPrize[i].dispose();
    }
  }
  //setter
  set machineSoundVolume(double vol) {
    _machineSoundVolume = vol;
  }
  set prizeSoundVolume(double vol) {
    _prizeSoundVolume = vol;
  }
  //
  void playMachineStart() async {
    _playerMachineStartPtr += 1;
    if (_playerMachineStartPtr >= _playerMachineStart.length) {
      _playerMachineStartPtr = 0;
    }
    await _playerMachineStart[_playerMachineStartPtr].setVolume(_machineSoundVolume);
    await _playerMachineStart[_playerMachineStartPtr].pause();
    await _playerMachineStart[_playerMachineStartPtr].seek(Duration.zero);
    await _playerMachineStart[_playerMachineStartPtr].play();
  }
  void playMachineStop() async {
    _playerMachineStopPtr += 1;
    if (_playerMachineStopPtr >= _playerMachineStop.length) {
      _playerMachineStopPtr = 0;
    }
    await _playerMachineStop[_playerMachineStopPtr].setVolume(_machineSoundVolume);
    await _playerMachineStop[_playerMachineStopPtr].pause();
    await _playerMachineStop[_playerMachineStopPtr].seek(Duration.zero);
    await _playerMachineStop[_playerMachineStopPtr].play();
  }
  void playPrize() async {
    _playerPrizePtr += 1;
    if (_playerPrizePtr >= _playerPrize.length) {
      _playerPrizePtr = 0;
    }
    await _playerPrize[_playerPrizePtr].setVolume(_prizeSoundVolume);
    await _playerPrize[_playerPrizePtr].pause();
    await _playerPrize[_playerPrizePtr].seek(Duration.zero);
    await _playerPrize[_playerPrizePtr].play();
  }
}
/// Copyright© ao-system, Inc.

class ConstValue {
  //default
  static const String candidateTextDefault = '1-100';
  static const String prizeTextDefault = '1:Space travel\n2:Round-the-world trip\n3:Luxury sports car\n4-10:Coffee ticket\n11,22,33,44,55,66,77,88,99:Smartphone\n100:Laptop computer';
  static const String historyTextDefault = '';
  //image
  static const List<String> machineImages = [
    'assets/image/machine.webp',
    'assets/image/machine02.webp',
    'assets/image/machine03.webp',
    'assets/image/machine04.webp',
    'assets/image/machine05.webp',
    'assets/image/machine06.webp',
    'assets/image/machine07.webp',
  ];
  static const List<String> numberImages = [
    'assets/image/num0.webp',
    'assets/image/num1.webp',
    'assets/image/num2.webp',
    'assets/image/num3.webp',
    'assets/image/num4.webp',
    'assets/image/num5.webp',
    'assets/image/num6.webp',
    'assets/image/num7.webp',
    'assets/image/num8.webp',
    'assets/image/num9.webp',
    'assets/image/num_end.webp',
  ];
  //sound
  static const String audioMachineStart = 'assets/sound/neon_start.wav';
  static const String audioMachineStop = 'assets/sound/neon_stop.wav';
  static const String audioPrize = 'assets/sound/bell.wav';

}
/// Copyright© ao-system, Inc.


import 'dart:async';
import 'dart:io';
import 'dart:math';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:flutter/material.dart';
import 'package:wakelock_plus/wakelock_plus.dart';

import 'package:lotterynixie/ad_banner_widget.dart';
import 'package:lotterynixie/audio_play.dart';
import 'package:lotterynixie/const_value.dart';
import 'package:lotterynixie/l10n/app_localizations.dart';
import 'package:lotterynixie/loading_screen.dart';
import 'package:lotterynixie/model.dart';
import 'package:lotterynixie/setting_page.dart';
import 'package:lotterynixie/text_to_speech.dart';
import 'package:lotterynixie/theme_color.dart';
import 'package:lotterynixie/main.dart';

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

class _MainHomePageState extends State<MainHomePage> with WidgetsBindingObserver {
  final AudioPlay _audioPlay = AudioPlay();
  late ThemeColor _themeColor;
  bool _isReady = false;
  //
  bool _busyFlag = false; //抽選機動作中はtrue
  int _resultNumber = 0;  //ここにセットされた数値が抽選機に表示される
  final List<int> _pieceSpeeds = [1,2,3,4,5];  //5個の各数字の切り替わり速度。シャッフルされ使用される
  final TextEditingController _controllerDisplayPrizeString = TextEditingController();  //賞の表示
  final TextEditingController _controllerDisplayRemainString = TextEditingController();  //残数の表示
  final TextEditingController _controllerDisplayHistoryString = TextEditingController();  //履歴の表示
  double _displayPrizeStringOpacity = 0.0;

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

  Future<void> _initState() async {
    _themeColor = ThemeColor(themeNumber: Model.themeNumber, context: context);
    _audioPlay.machineSoundVolume = Model.machineSoundVolume;
    _audioPlay.prizeSoundVolume = Model.prizeSoundVolume;
    _audioPlay.playMachineStop();
    await TextToSpeech.applyPreferences(Model.ttsVoiceId,Model.ttsVolume);
    if (!kIsWeb && Platform.isAndroid) {
      _audioPlay.playMachineStop();
    }
    _wakelock();
    if (mounted) {
      setState(() {
        _isReady = true;
      });
    }
  }

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

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

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

  //数字5桁の表示 columnは[0,1,2,3,4]
  Widget _digit(dynamic constraints, double left, int column) {
    return Positioned(
        left: constraints.maxHeight * left,
        top: constraints.maxHeight * 0.345,
        child: SizedBox(
          width: constraints.maxHeight * 0.09,
          child: Image.asset(_resultNumberCellImage(column)),
        )
    );
  }

  //抽選機の正方形エリア
  Widget _stage(AppLocalizations l) {
    return Container(
      margin: const EdgeInsets.symmetric(horizontal: 4.0),
      decoration: BoxDecoration(
        color: Colors.transparent,
        borderRadius: BorderRadius.circular(12.0),
      ),
      clipBehavior: Clip.antiAlias,
      child: AspectRatio(
        aspectRatio: 1 / 1,
        child: LayoutBuilder(
          builder: (BuildContext context, BoxConstraints constraints) {
            return Stack(
              children: <Widget>[
                Image.asset(ConstValue.machineImages[Model.machineImageIndex]),  //背景画像
                _digit(constraints, 0.162, 4),  //5桁目の数字
                _digit(constraints, 0.307, 3),  //4桁目の数字
                _digit(constraints, 0.452, 2),  //3桁目の数字
                _digit(constraints, 0.597, 1),  //2桁目の数字
                _digit(constraints, 0.744, 0),  //1桁目の数字
                _prizeArea(), //賞は重ねて表示
                Positioned(
                  right: 6,
                  bottom: 6,
                  child: ElevatedButton(
                    onPressed: _busyFlag ? null : _lottery,
                    style: ElevatedButton.styleFrom(
                      backgroundColor: _themeColor.mainStartBackColor,
                      foregroundColor: _themeColor.mainStartForeColor,
                      padding: const EdgeInsets.symmetric(
                        horizontal: 32,
                        vertical: 10,
                      ),
                    ),
                    child: Text(l.start,style: const TextStyle(fontSize: 18.0)),
                  ),
                ),
              ]
            );
          }
        )
      )
    );
  }

  Future<void> _openSetting() async {
    if (_busyFlag) {
      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);
      _audioPlay.machineSoundVolume = Model.machineSoundVolume;
      _audioPlay.prizeSoundVolume = Model.prizeSoundVolume;
      List<int> historyNumbers = Model.getHistoryNumbers();
      historyNumbers = historyNumbers.reversed.toList();
      _controllerDisplayHistoryString.text = historyNumbers.join(', ');
      await TextToSpeech.applyPreferences(Model.ttsVoiceId,Model.ttsVolume);
      _wakelock();
    }
    if (mounted) {
      setState(() {});
    }
  }

  @override
  Widget build(BuildContext context) {
    if (!_isReady) {
      return const LoadingScreen();
    }
    final l = AppLocalizations.of(context)!;
    return Scaffold(
      backgroundColor: _themeColor.mainBackColor,
      body: Stack(children:[
        Container(
          decoration: BoxDecoration(
            gradient: LinearGradient(
              colors: [_themeColor.mainBack2Color,_themeColor.mainBackColor],
              begin: Alignment.topCenter,
              end: Alignment.bottomCenter,
            ),
            image: DecorationImage(
              image: AssetImage('assets/image/tile.png'),
              repeat: ImageRepeat.repeat,
              opacity: 0.1,
            ),
          ),
        ),
        SafeArea(
          child: Column(children:[
            SizedBox(
              height: 36,
              child: Row(children:[
                const Spacer(),
                Opacity(
                  opacity: _busyFlag ? 0.3 : 1,
                  child: IconButton(
                    tooltip: l.setting,
                    icon: Icon(Icons.settings, color: _themeColor.mainButtonColor),
                    onPressed: _openSetting,
                  ),
                ),
              ])
            ),
            Expanded(
              child: SingleChildScrollView(
                child: Column(
                  children: <Widget>[
                    _stage(l),
                    _remainArea(),
                    _historyArea(),
                  ]
                )
              )
            ),
          ])
        )
      ]),
      bottomNavigationBar: AdBannerWidget(adManager: MainApp.of(context).adManager),
    );
  }

  Widget _prizeArea() {
    return AnimatedOpacity(
        opacity: _displayPrizeStringOpacity,
        duration: const Duration(milliseconds: 500),
        child: _controllerDisplayPrizeString.text.isEmpty
            ? const SizedBox.shrink()
            : Container(
            margin: const EdgeInsets.all(6.0),
            decoration: BoxDecoration(
              color: Colors.yellowAccent,
              borderRadius: BorderRadius.circular(50.0),
            ),
            padding: const EdgeInsets.all(5.0),
            child: SizedBox(
                width: double.infinity,
                child: Text(
                  _controllerDisplayPrizeString.text,
                  maxLines: null,
                  textAlign: TextAlign.center,
                  style: const TextStyle(color: Colors.red, fontWeight: FontWeight.bold, fontSize: 22.0),
                )
            )
        )
    );
  }

  Widget _remainArea() {
    if (Model.historyDrawFlag == false) {
      return SizedBox.shrink();
    }
    return TextField(
      controller: _controllerDisplayRemainString,
      maxLines: null,
      readOnly: true,
      style: TextStyle(color: _themeColor.mainCandidateForeColor),
      decoration: const InputDecoration(
        contentPadding: EdgeInsets.only(top: 0, left: 10, right: 10, bottom: 0),
        border: InputBorder.none,
      ),
    );
  }

  Widget _historyArea() {
    if (Model.historyDrawFlag == false) {
      return SizedBox.shrink();
    }
    return TextField(
      controller: _controllerDisplayHistoryString,
      maxLines: null,
      readOnly: true,
      style: TextStyle(color: _themeColor.mainHistoryForeColor, fontSize: 26),
      decoration: const InputDecoration(
        contentPadding: EdgeInsets.only(top: 0, left: 10, right: 10, bottom: 10),
        border: InputBorder.none,
      ),
    );
  }

  //抽選結果に対する数字画像を返す
  String _resultNumberCellImage(int column) {
    if (_resultNumber == -1) {
      return ConstValue.numberImages[10]; //end
    }
    final int num = (_resultNumber / pow(10, column)).floor() % 10;
    return ConstValue.numberImages[num];
  }

  //抽選
  void _lottery() async {
    if (_busyFlag) {
      return;
    }
    setState(() {
      _busyFlag = true;
    });
    _controllerDisplayPrizeString.text = '';  //賞を消す
    //履歴を表示
    final List<int> historyNumbers = Model.getHistoryNumbers().reversed.toList();
    _controllerDisplayHistoryString.text = historyNumbers.join(', ');
    //抽選結果
    int nextNumber = await _nextNumber();
    if (nextNumber == -1) {
      //抽選がすべて終了
      setState(() {
        _resultNumber = nextNumber;
        _busyFlag = false;
      });
      return;
    }
    if (await Model.addHistoryText(nextNumber) == false) {
      return; //2重登録の場合は何もしない
    }
    _pieceSpeeds.shuffle(); //数字の動く速度を変更
    _audioPlay.playMachineStart();
    //数字が動く全体の速度
    final int digitSpeed = (10 - Model.machineSpeed) * 15;
    //数字を動かす処理。抽選番号、速度、次に止める桁[4]は5桁目
    //再帰で呼び出して4,3,2,1,0と順に数字を止めていく
    _lotteryRecursion(nextNumber, digitSpeed, 4);
  }

  //再帰で数字を止めていく
  void _lotteryRecursion(int nextNumber, int timeRemain, int stopColumn) {
    for (int column = stopColumn; column >= 0; column--) {
      //各桁でtimeRemainに対して_pieceSpeeds[column]で割り切れたら次の数字にする
      if (timeRemain % _pieceSpeeds[column] == 0) {
        setState(() {
          //数字を動かす
          _resultNumber = _resultNumberIncrement(_resultNumber, column);
        });
      }
    }
    //残り時間を減らす
    timeRemain -= 1;
    if (timeRemain <= 0) {
      //残り時間が無くなったら順に桁を止めていく
      if (_resultNumberIsSamePiece(nextNumber,_resultNumber,stopColumn)) {
        //各桁が止める位置になったら止めて、次の桁へ移る
        _audioPlay.playMachineStop();
        stopColumn -= 1;  //次の桁にする
      }
    }
    if (stopColumn >= 0) {
      //全ての桁が停止していないので再帰
      Timer(const Duration(milliseconds: 50), () =>
          _lotteryRecursion(nextNumber, timeRemain, stopColumn)
      );
    } else {
      //全ての桁が停止
      setState(() async {
        //結果を表示。既にこの状態になっているのでこれは無くても良い
        _resultNumber = nextNumber;
        //音声が重なるのでずらす
        await Future.delayed(const Duration(milliseconds: 500));
        if (Model.ttsEnabled && Model.ttsVolume > 0.0) {
          TextToSpeech.speak(nextNumber.toString());
        }
        //賞を表示
        _prizeDraw(nextNumber);
        //履歴を表示
        setState(() {
          _controllerDisplayHistoryString.text =
          '$nextNumber\n${_controllerDisplayHistoryString.text}';
          _busyFlag = false;
        });
      });
    }
  }

  Future<int> _nextNumber() async {
    List<int> remains = Model.getCandidateNumbers();
    if (Model.getHistoryNumbers().isNotEmpty) {
      //remainsからhistoryNumbersに含まれる数字を取り除く
      remains = remains.where((int num) => !Model.getHistoryNumbers().contains(num)).toList();
    }
    if (remains.isEmpty) {
      return -1;  //残りが無くなった
    }
    //残数表示
    _controllerDisplayRemainString.text = 'Candidates:${Model.getCandidateNumbers().length} Results:${Model.getHistoryNumbers().length + 1} Remaining:${remains.length - 1}';
    final int nextNumber = remains[Random().nextInt(remains.length)]; //1個取り出す
    return nextNumber;
  }

  //数値の指定カラムの数字をインクリメント。9の場合は0に戻る
  int _resultNumberIncrement(int resultNumber, int column) {
    final List<int> numberPieces = [
      _resultNumber % 10,
      (_resultNumber / 10).floor() % 10,
      (_resultNumber / 100).floor() % 10,
      (_resultNumber / 1000).floor() % 10,
      (_resultNumber / 10000).floor() % 10,
    ];
    numberPieces[column] += 1;
    if (numberPieces[column] >= 10) {
      numberPieces[column] = 0;
    }
    final String str = numberPieces[4].toString() + numberPieces[3].toString() + numberPieces[2].toString() + numberPieces[1].toString() + numberPieces[0].toString();
    return int.parse(str);
  }

  //数値と数値の指定したカラムの数字が同じか
  bool _resultNumberIsSamePiece(int nextNumber, int resultNumber, column) {
    final int nextDigit = (nextNumber / pow(10,column)).floor() % 10;
    final int resultDigit = (resultNumber / pow(10,column)).floor() % 10;
    return (nextDigit == resultDigit) ? true : false;
  }

  void _prizeDraw(int nextNumber) async {
    for (final Map<String, dynamic> mapListOne in Model.getPrizeList()) {
      for (int j = 0; j < mapListOne['numbers'].length; j++) {
        if (mapListOne['numbers'][j] == nextNumber) {
          _controllerDisplayPrizeString.text = mapListOne['prize'];
          _displayPrizeStringOpacity = 1.0;
          await Future.delayed(const Duration(milliseconds: 1200));
          _audioPlay.playPrize();
          setState(() {});
          return;
        }
      }
    }
    _controllerDisplayPrizeString.text = '';
    _displayPrizeStringOpacity = 0.0;
    setState(() {});
  }

}
/// Copyright© ao-system, Inc.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  void _initState() async {
    try {
      //ad
      adManager = AdManager();
      //アプリの基本データ
      await Model.ensureReady();
      //
      //IAP(広告削除)— SharedPreferencesから購入状態を読み込み、ストア接続・購入ストリーム購読
      await PurchaseService.instance.init();
      //
      // ATT ステータス(デフォルトは authorized)
      AttStatus attStatus = AttStatus.authorized;
      // ATT 処理
      if (!kIsWeb && Platform.isIOS) {
        if (await _waitForResumed()) {
          final attService = AttService();
          attStatus = await attService.getTrackingStatus();
          // 初回のみダイアログ表示
          if (attStatus == AttStatus.notDetermined) {
            attStatus = await attService.requestTracking();
          }
        }
      }
      // UMP(GDPR)処理
      // Apple のガイドライン:
      // 「ATT で拒否されたら、GDPR でトラッキング許可を求めてはいけない」
      // → よって ATT が denied / restricted の場合は UMP を完全スキップ
      if (!kIsWeb && Platform.isIOS && (attStatus == AttStatus.denied || attStatus == AttStatus.restricted)) {
        // UMP を呼ばずに広告 SDK を初期化
        await MobileAds.instance.initialize();
      } else {
        // 通常フロー(Android または iOS で ATT 許可済み)
        final adUmpConsentController = AdUmpConsentController();
        // UMP の自動表示を防ぐため「updateConsentInfo() のみ」
        await adUmpConsentController.updateConsentInfo();
        // loadAndShowConsentFormIfRequired() を呼ばない → GDPR フォームが勝手に出るのを防止
        await MobileAds.instance.initialize();
      }
      // 自前の広告設定
      await AdManager.initForNPA();
      // UI 更新
      if (mounted) {
        setState(() {
          _themeMode = ThemeModeNumber.numberToThemeMode(Model.themeNumber);
          _locale = parseLocaleTag(Model.languageCode);
          _isReady = true;
        });
      }
    } catch (e) {
      if (mounted) {
        setState(() {
          _hasError = true;
        });
      }
    }
  }

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

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

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

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


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

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

}
/// Copyright© ao-system, Inc.

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

import 'package:lotterynixie/const_value.dart';
import 'package:lotterynixie/l10n/app_localizations.dart';

class Model {
  Model._();

  static const String _prefCandidateText = 'candidateTexts';
  static const String _prefPrizeText = 'prizeTexts';
  static const String _prefHistoryText = 'historyTexts';
  static const String _prefHistoryDrawFlag = 'historyDrawFlag';
  static const String _prefMachineImageIndex = 'machineImageIndex';
  static const String _prefMachineSpeed = 'machineSpeed';
  static const String _prefMachineSoundVolume = 'machineSoundVolume';
  static const String _prefPrizeSoundVolume = 'prizeSoundVolume';
  static const String _prefTtsEnabled = 'ttsEnabled';
  static const String _prefTtsVoiceId = 'ttsVoiceId';
  static const String _prefTtsVolume = 'ttsVolume';
  static const String _prefWakelockEnabled = 'wakelockEnabled';
  static const String _prefThemeNumber = 'themeNumber';
  static const String _prefLanguageCode = 'languageCode';

  static bool _ready = false;
  static String _candidateText = ConstValue.candidateTextDefault;
  static String _prizeText = ConstValue.prizeTextDefault;
  static String _historyText = ConstValue.historyTextDefault;
  static bool _historyDrawFlag = true;
  static int _machineImageIndex = 0;
  static int _machineSpeed = 1;
  static double _machineSoundVolume = 1.0;
  static double _prizeSoundVolume = 1.0;
  static bool _ttsEnabled = true;
  static double _ttsVolume = 1.0;
  static String _ttsVoiceId = '';
  static bool _wakelockEnabled = false;
  static int _themeNumber = 0;
  static String _languageCode = '';

  static String get candidateText => _candidateText;
  static String get prizeText => _prizeText;
  static String get historyText => _historyText;
  static bool get historyDrawFlag => _historyDrawFlag;
  static int get machineImageIndex => _machineImageIndex;
  static int get machineSpeed => _machineSpeed;
  static double get machineSoundVolume => _machineSoundVolume;
  static double get prizeSoundVolume => _prizeSoundVolume;
  static bool get ttsEnabled => _ttsEnabled;
  static double get ttsVolume => _ttsVolume;
  static String get ttsVoiceId => _ttsVoiceId;
  static bool get wakelockEnabled => _wakelockEnabled;
  static int get themeNumber => _themeNumber;
  static String get languageCode => _languageCode;

  static Future<void> ensureReady() async {
    if (_ready) {
      return;
    }
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    //
    _candidateText = prefs.getString(_prefCandidateText) ?? ConstValue.candidateTextDefault;
    _prizeText = prefs.getString(_prefPrizeText) ?? ConstValue.prizeTextDefault;
    _historyText = prefs.getString(_prefHistoryText) ?? ConstValue.historyTextDefault;
    _historyDrawFlag = prefs.getBool(_prefHistoryDrawFlag) ?? true;
    _machineImageIndex = (prefs.getInt(_prefMachineImageIndex) ?? 0).clamp(0,3);
    _machineSpeed = (prefs.getInt(_prefMachineSpeed) ?? 1).clamp(1,9);
    _machineSoundVolume = (prefs.getDouble(_prefMachineSoundVolume) ?? 1.0).clamp(0.0,1.0);
    _prizeSoundVolume = (prefs.getDouble(_prefPrizeSoundVolume) ?? 1.0).clamp(0.0,1.0);
    _ttsEnabled = prefs.getBool(_prefTtsEnabled) ?? true;
    _ttsVoiceId = prefs.getString(_prefTtsVoiceId) ?? '';
    _ttsVolume = (prefs.getDouble(_prefTtsVolume) ?? 1.0).clamp(0.0,1.0);
    _wakelockEnabled = prefs.getBool(_prefWakelockEnabled) ?? false;
    _themeNumber = (prefs.getInt(_prefThemeNumber) ?? 0).clamp(0, 2);
    _languageCode = prefs.getString(_prefLanguageCode) ?? ui.PlatformDispatcher.instance.locale.languageCode;
    _languageCode = _resolveLanguageCode(_languageCode);
    _ready = true;
  }

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

  static List<int> getCandidateNumbers() {
    return _parseStrToNumbers(_candidateText);
  }

  static List<Map<String,dynamic>> getPrizeList() {
    List<Map<String,dynamic>> mapList = [];
    final List<String> lines = _prizeText.replaceAll('\r','').split('\n');
    for (int i = 0; i < lines.length; i++) {
      final List<String> ary = lines[i].split(':');
      final List<int> numbers = _parseStrToNumbers(ary[0]);
      final Map<String,dynamic> mapOne = {'numbers':numbers,'prize':ary[1]};
      mapList.add(mapOne);
    }
    return mapList;
  }

  static List<int> getHistoryNumbers() {
    return _parseStrToNumbers(_historyText);
  }

  static Future<void> setCandidateText(String value) async {
    value = _candidateFormat(value);
    _candidateText = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setString(_prefCandidateText, value);
  }

  static Future<void> setPrizeText(String value) async {
    value = _prizeFormat(value);
    _prizeText = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setString(_prefPrizeText, value);
  }

  static Future<void> setHistoryText(String value) async {
    value = _historyFormat(value);
    _historyText = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setString(_prefHistoryText, value);
  }

  static Future<void> setHistoryDrawFlag(bool value) async {
    _historyDrawFlag = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefHistoryDrawFlag, value);
  }

  static Future<void> setMachineImageIndex(int value) async {
    _machineImageIndex = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefMachineImageIndex, value);
  }

  static Future<void> setMachineSpeed(int value) async {
    _machineSpeed = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefMachineSpeed, value);
  }

  static Future<void> setMachineSoundVolume(double value) async {
    _machineSoundVolume = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setDouble(_prefMachineSoundVolume, _machineSoundVolume);
  }

  static Future<void> setPrizeSoundVolume(double value) async {
    _prizeSoundVolume = value;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setDouble(_prefPrizeSoundVolume, _prizeSoundVolume);
  }

  static Future<bool> addHistoryText(int value) async {
    List<int> numbers = getHistoryNumbers();
    if (numbers.contains(value)) { //2重登録防止
      return false;
    }
    numbers.add(value);
    _historyText = numbers.map((int value) => value.toString()).join(',');
    final prefs = await SharedPreferences.getInstance();
    await prefs.setString(_prefHistoryText, _historyText);
    return true;
  }

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

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

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

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

  static Future<void> setThemeNumber(int value) async {
    _themeNumber = value;
    final 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);
  }

  //------------------

  //'1-10,12,15,17,20-50' などの文字列を数値配列に変換
  static List<int> _parseStrToNumbers(String numString) {
    final List<String> numStrings = numString.split(',');
    final List<int> numbers = <int>[];
    for (final String str in numStrings) {
      if (str.contains('-')) {
        final List<String> ary = str.split('-');
        if (_isStringToIntParsable(ary[0]) && _isStringToIntParsable(ary[1])) {
          for (int i = int.parse(ary[0]); i <= int.parse(ary[1]); i++) {
            numbers.add(i);
          }
        }
      } else {
        if (_isStringToIntParsable(str)) {
          numbers.add(int.parse(str));
        }
      }
    }
    return Set<int>.from(numbers).toList();
  }

  //String を int に変換できるか
  static bool _isStringToIntParsable(String str) {
    return int.tryParse(str) != null;
  }

  //選択肢を整える。ユーザーの入力なので適宜調整する
  static String _candidateFormat(String str) {
    str = str.replaceAll('0','0');
    str = str.replaceAll('1','1');
    str = str.replaceAll('2','2');
    str = str.replaceAll('3','3');
    str = str.replaceAll('4','4');
    str = str.replaceAll('5','5');
    str = str.replaceAll('6','6');
    str = str.replaceAll('7','7');
    str = str.replaceAll('8','8');
    str = str.replaceAll('9','9');
    str = str.replaceAll('、',',');
    str = str.replaceAll(',',',');
    str = str.replaceAll('ー','-');
    str = str.replaceAll('―','-');
    str = str.replaceAll(RegExp(r'[^0-9,-]'), '');
    str = str.replaceAll(RegExp(r',+'), ',');
    str = str.replaceAll(RegExp(r'\-+'), '-');
    return str;
  }

  //賞を整える。ユーザーの入力なので適宜調整する
  static String _prizeFormat(String str) {
    final List<String> lines = str.replaceAll('\r','').split('\n');
    List<String> prizes = [];
    for (String str in lines) {
      str = str.replaceAll(':',':');
      if (str.contains(':') == false) {
        continue;
      }
      List<String> ary = str.split(':');
      ary[0] = ary[0].replaceAll('0','0');
      ary[0] = ary[0].replaceAll('1','1');
      ary[0] = ary[0].replaceAll('2','2');
      ary[0] = ary[0].replaceAll('3','3');
      ary[0] = ary[0].replaceAll('4','4');
      ary[0] = ary[0].replaceAll('5','5');
      ary[0] = ary[0].replaceAll('6','6');
      ary[0] = ary[0].replaceAll('7','7');
      ary[0] = ary[0].replaceAll('8','8');
      ary[0] = ary[0].replaceAll('9','9');
      ary[0] = ary[0].replaceAll('、',',');
      ary[0] = ary[0].replaceAll(',',',');
      ary[0] = ary[0].replaceAll('ー','-');
      ary[0] = ary[0].replaceAll('―','-');
      ary[0] = ary[0].replaceAll(RegExp(r'[^0-9,-]'), '');
      ary[0] = ary[0].replaceAll(RegExp(r',+'), ',');
      ary[0] = ary[0].replaceAll(RegExp(r'\-+'), '-');
      prizes.add('${ary[0]}:${ary[1]}');
    }
    return prizes.join('\n');
  }

  //抽選結果を整える。ユーザーの入力なので適宜調整する
  static String _historyFormat(String str) {
    str = str.replaceAll('0','0');
    str = str.replaceAll('1','1');
    str = str.replaceAll('2','2');
    str = str.replaceAll('3','3');
    str = str.replaceAll('4','4');
    str = str.replaceAll('5','5');
    str = str.replaceAll('6','6');
    str = str.replaceAll('7','7');
    str = str.replaceAll('8','8');
    str = str.replaceAll('9','9');
    str = str.replaceAll('、',',');
    str = str.replaceAll(',',',');
    str = str.replaceAll(RegExp(r'[^0-9,]'), '');
    str = str.replaceAll(RegExp(r',+'), ',');
    return str;
  }

}
/// 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';
import 'package:in_app_purchase/in_app_purchase.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'package:lotterynixie/_secrets.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;
    _log('init: persisted isAdsRemoved=$saved');

    //ストア利用可否
    try {
      _isAvailable = await _iap.isAvailable();
    } catch (e) {
      _isAvailable = false;
      _log('isAvailable check failed: $e');
    }
    if (!_isAvailable) {
      _log('Store is NOT available on this device.');
      return;
    }
    _log('Store is available. platform=${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: () {
        _log('purchaseStream done');
        _subscription?.cancel();
        _subscription = null;
      },
      onError: (Object e) {
        _log('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) {
        _log('queryProductDetails error: ${response.error}');
      }
      if (response.notFoundIDs.isNotEmpty) {
        _log('Product NOT FOUND in store: ${response.notFoundIDs}. '
            'ストア側の登録漏れ・申請待ち・テストアカウント未設定の可能性があります。');
        _eventController.add(
          PurchaseEvent(PurchaseEventType.notFound, productId, 'Product not found on store.'),
        );
      }
      if (response.productDetails.isNotEmpty) {
        final loaded = response.productDetails.first;
        productNotifier.value = loaded;
        _log('Loaded product: id=${loaded.id} '
            'title="${loaded.title}" price=${loaded.price} '
            '(${loaded.currencyCode})');
      }
    } catch (e) {
      _log('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) {
      _log('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) {
      _log('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) {
      _log('purchaseRemoveAds: product not loaded yet — retrying load');
      await _loadProduct();
    }
    final product = productNotifier.value;
    if (product == null) {
      _log('purchaseRemoveAds: product still null — abort');
      _eventController.add(
        PurchaseEvent(PurchaseEventType.notFound, productId, 'Product not loaded.'),
      );
      return false;
    }
    try {
      final param = PurchaseParam(productDetails: product);
      _log('Calling buyNonConsumable for ${product.id}');
      final ok = await _iap.buyNonConsumable(purchaseParam: param);
      _log('buyNonConsumable accepted=$ok');
      return ok;
    } catch (e) {
      _log('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) {
      _log('restorePurchases: store unavailable');
      _eventController.add(
        PurchaseEvent(PurchaseEventType.unavailable, productId, 'Store is not available.'),
      );
      return;
    }
    try {
      _log('restorePurchases: requesting…');
      await _iap.restorePurchases();
      _log('restorePurchases: request issued (results come via purchaseStream)');
    } catch (e) {
      _log('restorePurchases exception: $e');
      _eventController.add(
        PurchaseEvent(PurchaseEventType.error, productId, e.toString()),
      );
    }
  }

  Future<void> _onPurchaseUpdated(List<PurchaseDetails> list) async {
    for (final p in list) {
      _log('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;
            _log(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:
          _log('❌ 購入エラー: ${p.error?.code} ${p.error?.message}');
          _eventController.add(
            PurchaseEvent(PurchaseEventType.error, p.productID,
                p.error?.message),
          );
          break;
        case PurchaseStatus.canceled:
          _log('⚠️ 購入キャンセル (${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);
          _log('completePurchase done for ${p.productID}');
        } catch (e) {
          _log('completePurchase exception: $e');
        }
      }
    }
  }

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

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

  void _log(String msg) {
    assert(() {   //assert は Debug でしか動かない
      debugPrint('[PurchaseService] $msg');
      return true;
    }());
  }

}
/// 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:lotterynixie/purchase_service.dart';
import 'package:lotterynixie/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.

import 'package:flutter/material.dart';

import 'package:lotterynixie/theme_color.dart';
import 'package:lotterynixie/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:lotterynixie/setting_card.dart";
import 'package:lotterynixie/l10n/app_localizations.dart';
import 'package:lotterynixie/const_value.dart';
import 'package:lotterynixie/model.dart';
import 'package:lotterynixie/text_to_speech.dart';
import 'package:lotterynixie/ad_banner_widget.dart';
import 'package:lotterynixie/ad_ump_status.dart';
import 'package:lotterynixie/theme_color.dart';
import 'package:lotterynixie/loading_screen.dart';
import 'package:lotterynixie/_secrets.dart';
import 'package:lotterynixie/main.dart';
import 'package:lotterynixie/att_service.dart';
import 'package:lotterynixie/purchase_service.dart';
import 'package:lotterynixie/remove_ads_page.dart';

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

class _SettingPageState extends State<SettingPage> {
  AdUmpState _adUmpState = AdUmpState.initial;
  late final AdUmpService _adUmpService;
  late ThemeColor _themeColor;
  final _inAppReview = InAppReview.instance;
  bool _wakelockEnabled = false;
  int _themeNumber = 0;
  String _languageCode = '';
  bool _isReady = false;
  //
  final TextEditingController _controllerCandidateText = TextEditingController();
  final TextEditingController _controllerPrizeText = TextEditingController();
  final TextEditingController _controllerHistoryText = TextEditingController();
  bool _candidateInitialFlag = false;
  bool _prizeInitialFlag = false;
  bool _historyInitialFlag = false;
  bool _historyDrawFlag = true;
  int _machineImageIndex = 0;
  int _machineSpeedValue = 1;
  double _machineSoundVolume = 1.0;
  double _prizeSoundVolume = 1.0;
  bool _ttsEnabled = true;
  double _ttsVolume = 1.0;
  String _ttsVoiceId = '';

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

  void _initState() async {
    //ump
    _adUmpService = AdUmpService();
    await _refreshConsentInfo();
    //model
    _controllerCandidateText.text = Model.candidateText;
    _controllerPrizeText.text = Model.prizeText;
    _controllerHistoryText.text = Model.historyText;
    _historyDrawFlag = Model.historyDrawFlag;
    _machineImageIndex = Model.machineImageIndex;
    _machineSpeedValue = Model.machineSpeed;
    _machineSoundVolume = Model.machineSoundVolume;
    _prizeSoundVolume = Model.prizeSoundVolume;
    _ttsEnabled = Model.ttsEnabled;
    _ttsVolume = Model.ttsVolume;
    _ttsVoiceId = Model.ttsVoiceId;
    _wakelockEnabled = Model.wakelockEnabled;
    _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();
  }

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

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

  Future<void> _onApply() async {
    if (_candidateInitialFlag) {
      await Model.setCandidateText(ConstValue.candidateTextDefault);
    } else {
      await Model.setCandidateText(_controllerCandidateText.text);
    }
    if (_prizeInitialFlag) {
      await Model.setPrizeText(ConstValue.prizeTextDefault);
    } else {
      await Model.setPrizeText(_controllerPrizeText.text);
    }
    if (_historyInitialFlag) {
      await Model.setHistoryText(ConstValue.historyTextDefault);
    } else {
      await Model.setHistoryText(_controllerHistoryText.text);
    }
    await Model.setHistoryDrawFlag(_historyDrawFlag);
    await Model.setMachineImageIndex(_machineImageIndex);
    await Model.setMachineSpeed(_machineSpeedValue);
    await Model.setMachineSoundVolume(_machineSoundVolume);
    await Model.setPrizeSoundVolume(_prizeSoundVolume);
    await Model.setTtsEnabled(_ttsEnabled);
    await Model.setTtsVoiceId(_ttsVoiceId);
    await Model.setTtsVolume(_ttsVolume);
    await Model.setWakelockEnabled(_wakelockEnabled);
    await Model.setThemeNumber(_themeNumber);
    await Model.setLanguageCode(_languageCode);
    if (!mounted) {
      return;
    }
    Navigator.of(context).pop(true);
  }

  @override
  Widget build(BuildContext context) {
    if (!_isReady) {
      return const LoadingScreen();
    }
    final l = AppLocalizations.of(context)!;
    final TextTheme t = Theme.of(context).textTheme;
    return Scaffold(
      backgroundColor: _themeColor.backColor,
      appBar: AppBar(
        centerTitle: true,
        elevation: 0,
        leading: IconButton(
          icon: const Icon(Icons.close),
          onPressed: () {
            Navigator.of(context).pop(false);
          },
        ),
        title: Text(l.setting),
        foregroundColor: _themeColor.appBarForegroundColor,
        backgroundColor: Colors.transparent,
        actions: [
          IconButton(
            icon: const Icon(Icons.check),
            onPressed: _onApply,
          ),
        ],
      ),
      body: SafeArea(
        child: Column(children:[
          Expanded(
            child: GestureDetector(
              onTap: () => FocusScope.of(context).unfocus(),  //背景タップでキーボードを仕舞う
              child: SingleChildScrollView(
                child: Padding(
                  padding: const EdgeInsets.only(left: 12, right: 12, top: 4, bottom: 100),
                  child: Column(
                    children: [
                      _buildCandidate(l, t),
                      _buildPrize(l, t),
                      _buildHistory(l, t),
                      _buildMachineImage(l, t),
                      _buildSpeed(l, t),
                      _buildMachineVolume(l, t),
                      _buildSoundVolume(l, t),
                      _buildSpeechSettings(l, t),
                      _buildWakelockEnabled(l, t),
                      _buildTheme(l, t),
                      _buildLanguage(l, t),
                      _buildRemoveAds(l, t),
                      _buildReview(l, t),
                      _buildCmp(l, t),
                      _buildAtt(l, t),
                      _buildUsage(l, t),
                    ],
                  ),
                ),
              ),
            ),
          ),
        ])
      ),
      bottomNavigationBar: AdBannerWidget(adManager: MainApp.of(context).adManager),
    );
  }

  Widget _buildCandidate(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: Column(
        children: [
          ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.candidate, style: t.bodyMedium),
            trailing: Row(
              mainAxisSize: MainAxisSize.min,
              children: [
                Text(l.initial, style: t.bodyMedium),
                Switch(
                  value: _candidateInitialFlag,
                  onChanged: (value) {
                    setState(() {
                      _candidateInitialFlag = value;
                    });
                  },
                ),
              ],
            ),
          ),
          Padding(
            padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
            child: TextField(
              controller: _controllerCandidateText,
              maxLines: null,
              decoration: const InputDecoration(
                border: OutlineInputBorder(),
              ),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildPrize(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: Column(
        children: [
          ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.prize, style: t.bodyMedium),
            trailing: Row(
              mainAxisSize: MainAxisSize.min,
              children: [
                Text(l.initial, style: t.bodyMedium),
                Switch(
                  value: _prizeInitialFlag,
                  onChanged: (value) {
                    setState(() {
                      _prizeInitialFlag = value;
                    });
                  },
                ),
              ],
            ),
          ),
          Padding(
            padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
            child: TextField(
              controller: _controllerPrizeText,
              maxLines: null,
              decoration: const InputDecoration(
                border: OutlineInputBorder(),
              ),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildHistory(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: Column(
        children: [
          ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.history, style: t.bodyMedium),
            trailing: Row(
              mainAxisSize: MainAxisSize.min,
              children: [
                Text(l.erase, style: t.bodyMedium),
                Switch(
                  value: _historyInitialFlag,
                  onChanged: (value) {
                    setState(() {
                      _historyInitialFlag = value;
                    });
                  },
                ),
              ],
            ),
          ),
          Padding(
            padding: const EdgeInsets.fromLTRB(16, 0, 16, 8),
            child: TextField(
              controller: _controllerHistoryText,
              maxLines: null,
              decoration: const InputDecoration(
                border: OutlineInputBorder(),
              ),
            ),
          ),
          ListTile(
            contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            title: Text(l.historyMainDraw, style: t.bodyMedium),
            trailing: Switch(
              value: _historyDrawFlag,
              onChanged: (value) {
                setState(() {
                  _historyDrawFlag = value;
                });
              },
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildMachineImage(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        title: Text(l.machineImageIndex, style: t.bodyMedium),
        subtitle: Row(
          children: [
            Text(_machineImageIndex.toString()),
            Expanded(
              child: Slider(
                value: _machineImageIndex.toDouble(),
                min: 0,
                max: (ConstValue.machineImages.length - 1).toDouble(),
                divisions: ConstValue.machineImages.length - 1,
                label: _machineImageIndex.toString(),
                onChanged: (value) {
                  setState(() {
                    _machineImageIndex = value.toInt();
                  });
                },
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildSpeed(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        title: Text(l.machineSpeed, style: t.bodyMedium),
        subtitle: Row(
          children: [
            Text(_machineSpeedValue.toString()),
            Expanded(
              child: Slider(
                value: _machineSpeedValue.toDouble(),
                min: 1,
                max: 9,
                divisions: 8,
                label: _machineSpeedValue.toString(),
                onChanged: (value) {
                  setState(() {
                    _machineSpeedValue = value.toInt();
                  });
                },
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildMachineVolume(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        title: Text(l.machineSoundVolume, style: t.bodyMedium),
        subtitle: Row(
          children: [
            Text(_machineSoundVolume.toStringAsFixed(1)),
            Expanded(
              child: Slider(
                value: _machineSoundVolume,
                min: 0.0,
                max: 1.0,
                divisions: 10,
                label: _machineSoundVolume.toStringAsFixed(1),
                onChanged: (value) {
                  setState(() {
                    _machineSoundVolume = value;
                  });
                },
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildSoundVolume(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        title: Text(l.prizeSoundVolume, style: t.bodyMedium),
        subtitle: Row(
          children: [
            Text(_prizeSoundVolume.toStringAsFixed(1)),
            Expanded(
              child: Slider(
                value: _prizeSoundVolume,
                min: 0.0,
                max: 1.0,
                divisions: 10,
                label: _prizeSoundVolume.toStringAsFixed(1),
                onChanged: (value) {
                  setState(() {
                    _prizeSoundVolume = value;
                  });
                },
              ),
            ),
          ],
        ),
      ),
    );
  }

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

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

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

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

  Widget _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) {
                          //debugPrint('Privacy options error ignored: $e');
                        }
                        await _refreshConsentInfo();
                      },
                      icon: const Icon(Icons.settings),
                      label: Text(
                        _adUmpState.isChecking
                            ? l.cmpConsentStatusChecking
                            : l.cmpOpenConsentSettings,
                      ),
                    ),
                    const SizedBox(height: 8),
                    OutlinedButton.icon(
                      onPressed: _adUmpState.isChecking ? null : _refreshConsentInfo,
                      icon: const Icon(Icons.refresh),
                      label: Text(l.cmpRefreshStatus),
                    ),
                    const SizedBox(height: 8),
                    OutlinedButton.icon(
                      onPressed: () async {
                        final messenger = ScaffoldMessenger.of(context);
                        final message = l.cmpResetStatusDone;
                        await ConsentInformation.instance.reset();
                        if (!mounted) {
                          return;
                        }
                        setState(() {
                          _adUmpState = _adUmpState.copyWith(
                            consentStatus: ConsentStatus.unknown,
                          );
                        });
                        messenger.showSnackBar(SnackBar(content: Text(message)));
                      },
                      icon: const Icon(Icons.delete_sweep_outlined),
                      label: Text(l.cmpResetStatus),
                    ),
                  ],
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }

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

  Widget _buildUsage(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        title: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(l.usage1, style: t.bodySmall),
            const SizedBox(height: 8),
            Text(l.usage2, style: t.bodySmall),
            const SizedBox(height: 8),
            Text(l.usage3, style: t.bodySmall),
            const SizedBox(height: 8),
            Text(l.usage4, style: t.bodySmall),
          ],
        ),
      ),
    );
  }

}
/// Copyright© ao-system, Inc.

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

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

import 'dart:ui';

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

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

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

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

  TextToSpeech._internal();

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

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

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

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

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

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

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

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

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

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

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


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

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

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

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

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

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

import 'package:flutter/material.dart';

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

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

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

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

  //main page
  Color get mainBackColor => _isLight ? Color.fromRGBO(200,200,200, 1.0) : Color.fromRGBO(50, 50, 50, 1.0);
  Color get mainBack2Color => _isLight ? Color.fromRGBO(255, 255, 255, 1.0) : Color.fromRGBO(0, 0, 0, 1.0);
  Color get mainButtonColor => _isLight ? Color.fromRGBO(0, 0, 0, 0.5) : Color.fromRGBO(255,255,255,0.5);
  Color get mainStartBackColor => _isLight ? Color.fromRGBO(255,255,255,0.3) : Color.fromRGBO(255,255,255,0.3);
  Color get mainStartForeColor => _isLight ? Color.fromRGBO(0,0,0,0.6) : Color.fromRGBO(255,255,255,0.8);
  Color get mainCandidateForeColor => _isLight ? Colors.orange[800]! : Colors.orange;
  Color get mainHistoryForeColor => _isLight ? Color.fromRGBO(0,0,0,0.9) : Color.fromRGBO(255,255,255,0.9);
  //setting page
  Color get backColor => _isLight ? Colors.grey[200]! : Colors.grey[900]!;
  Color get cardColor => _isLight ? Colors.white : Colors.grey[800]!;
  Color get appBarForegroundColor => _isLight ? Colors.grey[700]! : Colors.white70;
  Color get dropdownColor => cardColor;

}
/// Copyright© ao-system, Inc.

import 'package:flutter/material.dart';

class ThemeModeNumber {
  ThemeModeNumber._();

  static ThemeMode numberToThemeMode(int value) {
    switch (value) {
      case 1:
        return ThemeMode.light;
      case 2:
        return ThemeMode.dark;
      default:
        return ThemeMode.system;
    }
  }
}