name: soundgenerator
description: "soundgenerator"
publish_to: 'none'

version: 1.3.2+10

environment:
  sdk: ^3.11.5

dependencies:
  flutter:
    sdk: flutter
  flutter_localizations:      #flutter gen-l10n
    sdk: flutter
  cupertino_icons: ^1.0.8
  intl: ^0.20.2
  shared_preferences: ^2.3.2
  google_mobile_ads: ^8.0.0
  flutter_pcm_sound: ^3.3.3
  wakelock_plus: ^1.4.0
  in_app_review: ^2.0.11
  app_settings: ^7.0.0

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

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: '#131313'
  image: 'assets/image/splash.png'
  color_dark: '#131313'
  image_dark: 'assets/image/splash.png'
  fullscreen: true
  android_12:
    icon_background_color: '#131313'
    image: 'assets/image/splash.png'
    icon_background_color_dark: '#131313'
    image_dark: 'assets/image/splash.png'

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

  assets:
    - assets/icon/
    - assets/image/

/// Copyright© ao-system, Inc.

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

import 'package:soundgenerator/ad_manager.dart';

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

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

/// Copyright© ao-system, Inc.

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

import 'package:soundgenerator/_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:soundgenerator/l10n/app_localizations.dart';
import 'package:soundgenerator/_secrets.dart';

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

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

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

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

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

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

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

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

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

class AdUmpService {
  final AdUmpConsentController _adUmpConsentController = AdUmpConsentController();

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

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

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

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

/// Copyright© ao-system, Inc.

import 'package:flutter/services.dart';

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

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

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

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

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

//一緒に利用する enum とヘルパー関数

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

AttStatus parseAttStatus(int? value) {
  switch (value) {
    case 0:
      return AttStatus.notDetermined;
    case 1:
      return AttStatus.restricted;
    case 2:
      return AttStatus.denied;
    case 3:
      return AttStatus.authorized;
    default:
      return AttStatus.unknown;
  }
}

/// Copyright© ao-system, Inc.

import 'dart:async';
import 'dart:math';
import 'dart:ui' as ui;
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_pcm_sound/flutter_pcm_sound.dart';
import 'package:wakelock_plus/wakelock_plus.dart';

import 'package:soundgenerator/parse_locale_tag.dart';
import 'package:soundgenerator/setting_page.dart';
import 'package:soundgenerator/theme_color.dart';
import 'package:soundgenerator/theme_mode_number.dart';
import 'package:soundgenerator/waveform_painter.dart';
import 'package:soundgenerator/ad_manager.dart';
import 'package:soundgenerator/loading_screen.dart';
import 'package:soundgenerator/model.dart';
import 'package:soundgenerator/main.dart';
import 'package:soundgenerator/ad_banner_widget.dart';

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

class _MainHomePageState extends State<MainHomePage>with WidgetsBindingObserver {
  late ThemeColor _themeColor;
  bool _isReady = false;
  //
  final TextEditingController _freqController = TextEditingController();
  String _waveType = 'Sine';
  double _gain = 0.5;
  double _frequency = 440.0;
  double _lfoFreq = 0.0;
  double _lfoDepth = 0.0;
  double _panner = 0.0;
  bool _isPlaying = false;
  int _octave = 0;
  double _currentBaseFreq = 440.0;
  //内部状態
  double _phase = 0.0;
  double _lfoPhase = 0.0;
  static const int _sampleRate = 44100;
  //オシロスコープ用データ
  List<double> _leftSamples = [];
  List<double> _rightSamples = [];
  //ピアノ音階データ(C4〜B4)
  final Map<String, double> _notes = {
    'C': 261.63, 'C#': 277.18, 'D': 293.66, 'D#': 311.13,
    'E': 329.63, 'F': 349.23, 'F#': 369.99, 'G': 392.00,
    'G#': 415.30, 'A': 440.00, 'A#': 466.16, 'B': 493.88,
    'C5': 523.25,
  };
  // フェード用変数
  double _envelope = 0.0;
  bool _isStopping = false;
  static const double _fadeDuration = 0.3; //秒
  static const double _fadeStep = 1.0 / (_sampleRate * _fadeDuration); // 1サンプルあたりの変化量

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

  void _initState() async {
    _themeColor = ThemeColor(themeNumber: Model.themeNumber, context: context);
    _freqController.text = _frequency.toStringAsFixed(2);
    _initAudio();
    if (mounted) {
      setState(() {
        _isReady = true;
      });
    }
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    WakelockPlus.disable();
    _freqController.dispose();
    FlutterPcmSound.release();
    super.dispose();
  }

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

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

  void _initAudio() async {
    await FlutterPcmSound.setup(sampleRate: _sampleRate, channelCount: 2);
    await FlutterPcmSound.setFeedThreshold(_sampleRate ~/ 20);
    FlutterPcmSound.setFeedCallback(_onFeed);
  }

  void _onFeed(int remainingFrames) async {
    // 再生中ではない、かつフェードも終わっている（無音）なら何もしない
    if (!_isPlaying && _envelope <= 0) {
      return;
    }

    const int framesToGenerate = 2048;
    final List<int> buffer = [];
    final List<double> currentL = [];
    final List<double> currentR = [];

    for (int i = 0; i < framesToGenerate; i++) {
      // --- エンベロープ処理 ---
      if (_isPlaying && !_isStopping) {
        // フェードイン
        _envelope = (_envelope + _fadeStep).clamp(0.0, 1.0);
      } else if (_isStopping) {
        // フェードアウト
        _envelope = (_envelope - _fadeStep).clamp(0.0, 1.0);
        if (_envelope <= 0) {
          // 完全に消音したら状態をリセット
          _isPlaying = false;
          _isStopping = false;
        }
      }

      // 位相計算
      _lfoPhase += 2 * pi * _lfoFreq / _sampleRate;
      double vibrato = sin(_lfoPhase) * _lfoDepth;
      double currentFreq = (_frequency + vibrato).clamp(20.0, 20000.0);
      _phase += 2 * pi * currentFreq / _sampleRate;
      _phase %= 2 * pi;

      double sample = _calcSample(_phase, _waveType);

      // エンベロープ（_envelope）を音量に乗算
      double leftVol = _gain * _envelope * (1.0 - _panner).clamp(0.0, 1.0);
      double rightVol = _gain * _envelope * (1.0 + _panner).clamp(0.0, 1.0);

      buffer.add((sample * leftVol * 32767).toInt());
      buffer.add((sample * rightVol * 32767).toInt());

      if (i < 256) {
        currentL.add(sample * leftVol);
        currentR.add(sample * rightVol);
      }
    }

    // まだ再生中、またはフェードアウトが終わっていない間だけ feed する
    if (_isPlaying || _envelope > 0) {
      await FlutterPcmSound.feed(PcmArrayInt16.fromList(buffer));
    }

    // グラフは常に最新の状態（フェード中も含む）を表示
    setState(() {
      _leftSamples = currentL;
      _rightSamples = currentR;
    });
  }

  void _togglePlay() async {
    if (_isPlaying && !_isStopping) {
      // STOPボタン押下：フェードアウト開始フラグを立てる
      setState(() => _isStopping = true);
    } else if (!_isPlaying) {
      // PLAYボタン押下：再生開始
      setState(() {
        _isPlaying = true;
        _isStopping = false;
        _envelope = 0.0; // 0からフェードイン開始
      });
      FlutterPcmSound.start();
    }
  }

  double _calcSample(double phase, String type) {
    switch (type) {
      case 'Sine': return sin(phase);
      case 'Square': return sin(phase) >= 0 ? 1.0 : -1.0;
      case 'Sawtooth': return 2.0 * (phase / (2 * pi) - (phase / (2 * pi)).floor()) - 1.0;
      case 'Triangle': return (2.0 * (phase / (2 * pi) - (phase / (2 * pi) + 0.5).floor())).abs() * 2.0 - 1.0;
      default: return 0.0;
    }
  }

  //オクターブ変更処理
  void _updateOctave(int delta) {
    setState(() {
      _octave += delta;
      // 現在のベース音 × 2のオクターブ乗 でリアルタイムに周波数を更新
      _frequency = (_currentBaseFreq * pow(2, _octave)).clamp(20.0, 20000.0);
    });
  }

  void _playNote(double baseFreq) {
    setState(() {
      _currentBaseFreq = baseFreq; // 押した鍵盤の基本周波数を記憶
      _frequency = (baseFreq * pow(2, _octave)).clamp(20.0, 20000.0);
    });
  }

  void _resetOctave() {
    setState(() {
      _octave = 0;
      _frequency = _currentBaseFreq;
    });
  }

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

  @override
  Widget build(BuildContext context) {
    if (!_isReady) {
      return LoadingScreen();
    }
    final t = Theme.of(context).textTheme;
    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 SizedBox(width: 10),
                    Text('SOUND GENERATOR', style: t.titleSmall?.copyWith(color: _themeColor.mainForeColor)),
                    const Spacer(),
                    IconButton(
                      onPressed: _openSetting,
                      icon: Icon(Icons.settings,color: _themeColor.mainForeColor.withValues(alpha: 0.6)),
                    ),
                  ],
                )
              ),
              Expanded(
                child: GestureDetector(
                  onTap: () => FocusScope.of(context).unfocus(),
                  child: SingleChildScrollView(
                    padding: const EdgeInsets.only(left: 8, right: 8, top: 1, bottom: 100),
                    child: Column(
                      children: [
                        _buildOscilloscope(),
                        _buildOctavePianoKeyboard(),
                        _buildSelector(),
                        _buildPlayButton(),
                      ]
                    )
                  )
                )
              )
            ]
          )
        )
      ]),
      bottomNavigationBar: AdBannerWidget(adManager: MainApp.of(context).adManager),
    );
  }

  Widget _buildOscilloscope() {
    return Container(
      height: 80,
      width: double.infinity,
      decoration: BoxDecoration(
        color: _themeColor.mainCardColor,
        borderRadius: BorderRadius.circular(12),
      ),
      child: CustomPaint(
        painter: WaveformPainter(left: _leftSamples, right: _rightSamples),
      ),
    );
  }

  Widget _buildOctavePianoKeyboard() {
    return SizedBox(
      width: double.infinity,
      child: Card(
        margin: const EdgeInsets.only(left: 0, top: 8, right: 0, bottom: 0),
        color: _themeColor.cardColor,
        elevation: 0,
        child: Padding(
          padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 1),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              _buildOctave(),
              _buildPianoKeyboard()
            ],
          ),
        ),
      )
    );
  }

  Widget _buildOctave() {
    return Row(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        Text("Octave: ", style: TextStyle(color: _themeColor.mainForeColor)),
        IconButton(
          icon: const Icon(Icons.remove_circle_outline),
          onPressed: () => _updateOctave(-1),
        ),
        Text("$_octave", style: TextStyle(color: _themeColor.mainForeColor, fontSize: 20, fontWeight: FontWeight.bold)),
        IconButton(
          icon: const Icon(Icons.add_circle_outline),
          onPressed: () => _updateOctave(1),
        ),
        TextButton(
          onPressed: _resetOctave,
          child: const Text("Reset"),
        )
      ],
    );
  }

  Widget _buildPianoKeyboard() {
    return LayoutBuilder(
      builder: (context, constraints) {
        // 画面の横幅を8分割して白鍵1枚の幅を決める
        final double totalWidth = constraints.maxWidth;
        final double whiteKeyWidth = totalWidth / 8;
        // 高さは幅に合わせてバランス調整（例：幅の2.5倍）
        final double whiteKeyHeight = whiteKeyWidth * 1.3;
        final double blackKeyWidth = whiteKeyWidth * 0.8;
        final double blackKeyHeight = whiteKeyHeight * 0.5;
        final List<String> whiteNotes = ['C', 'D', 'E', 'F', 'G', 'A', 'B', 'C5'];
        final Map<int, String> blackNotes = {0: 'C#', 1: 'D#', 3: 'F#', 4: 'G#', 5: 'A#'};
        return SizedBox(
          height: whiteKeyHeight + 10,
          width: totalWidth, // 親要素（画面幅）いっぱいに広げる
          child: Stack(
            clipBehavior: Clip.none,
            children: [
              // 1. 白鍵を並べる
              Row(
                children: whiteNotes.map((note) {
                  return SizedBox(
                    width: whiteKeyWidth,
                    height: whiteKeyHeight,
                    child: ElevatedButton(
                      style: ElevatedButton.styleFrom(
                        backgroundColor: Colors.white,
                        foregroundColor: Colors.black,
                        elevation: 4,
                        shape: const RoundedRectangleBorder(
                          borderRadius: BorderRadius.vertical(bottom: Radius.circular(5)),
                        ),
                        side: const BorderSide(color: Colors.black26, width: 0.5),
                        padding: const EdgeInsets.only(bottom: 10),
                      ),
                      onPressed: () => _playNote(_notes[note]!),
                      child: Align(
                        alignment: Alignment.bottomCenter,
                        child: Text(note, style: const TextStyle(fontSize: 10, fontWeight: FontWeight.bold)),
                      ),
                    ),
                  );
                }).toList(),
              ),
              // 2. 黒鍵を重ねる
              ...blackNotes.entries.map((entry) {
                int index = entry.key;
                String note = entry.value;
                // 白鍵の境界線上に配置
                double leftPosition = (index + 1) * whiteKeyWidth - (blackKeyWidth / 2);

                return Positioned(
                  left: leftPosition,
                  top: 0,
                  child: SizedBox(
                    width: blackKeyWidth,
                    height: blackKeyHeight,
                    child: ElevatedButton(
                      style: ElevatedButton.styleFrom(
                        backgroundColor: Colors.black,
                        foregroundColor: Colors.white,
                        elevation: 6,
                        shape: const RoundedRectangleBorder(
                          borderRadius: BorderRadius.vertical(bottom: Radius.circular(3)),
                        ),
                        padding: EdgeInsets.zero,
                      ),
                      onPressed: () => _playNote(_notes[note]!),
                      child: Align(
                        alignment: Alignment.bottomCenter,
                        child: Padding(
                          padding: const EdgeInsets.only(bottom: 8),
                          child: Text(note, style: const TextStyle(fontSize: 8, color: Colors.white70)),
                        ),
                      ),
                    ),
                  ),
                );
              }),
            ],
          ),
        );
      },
    );
  }

  Widget _buildSelector() {
    return SizedBox(
      width: double.infinity,
      child: Card(
        margin: const EdgeInsets.only(left: 0, top: 8, right: 0, bottom: 0),
        color: _themeColor.cardColor,
        elevation: 0,
        child: Padding(
          padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 2),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Row(
                children: [
                  Expanded(
                    child: _buildWaveTypeSelector(),
                  ),
                  Expanded(
                    child: _buildTextFrequency(),
                  ),
                ],
              ),
              _buildSlider("Frequency (Hz)",
                _frequency.clamp(20.0, 20000.0), 20.0, 20000.0, (v) => setState(() {
                  _frequency = v;
                  _currentBaseFreq = v / pow(2, _octave); //スライダーを動かした時もベース音を逆算して同期
                  _freqController.text = v.toStringAsFixed(2);
                }),
              ),
              _buildSlider("Gain", _gain, 0.0, 1.0, (v) => setState(() => _gain = v)),
              _buildSlider("LFO Freq", _lfoFreq, 0.0, 20.0, (v) => setState(() => _lfoFreq = v)),
              _buildSlider("LFO Depth", _lfoDepth, 0.0, 100.0, (v) => setState(() => _lfoDepth = v)),
              _buildSlider("Panner", _panner, -1.0, 1.0, (v) => setState(() => _panner = v)),
            ],
          ),
        ),
      )
    );
  }

  Widget _buildTextFrequency() {
    return SizedBox(
      height: 35,
      child: TextFormField(
        controller: _freqController,
        keyboardType: TextInputType.number,
        style: TextStyle(color: _themeColor.mainForeColor, fontWeight: FontWeight.bold, fontSize: 14),
        textAlign: TextAlign.center,
        decoration: InputDecoration(
          contentPadding: const EdgeInsets.symmetric(horizontal: 4),
          filled: true,
          fillColor: Colors.white10,
          border: OutlineInputBorder(
            borderRadius: BorderRadius.circular(8),
            borderSide: BorderSide.none,
          ),
        ),
        onFieldSubmitted: (value) {
          double? newValue = double.tryParse(value);
          if (newValue != null) {
            setState(() {
              _frequency = newValue.clamp(20.0, 20000.0);
              _currentBaseFreq = _frequency / pow(2, _octave);
              _freqController.text = _frequency.toStringAsFixed(2);
            });
          }
        },
      ),
    );
  }

  Widget _buildWaveTypeSelector() {
    final ColorScheme t = Theme.of(context).colorScheme;
    return Container(
      margin: const EdgeInsets.only(bottom: 10),
      padding: const EdgeInsets.symmetric(horizontal: 16),
      decoration: BoxDecoration(borderRadius: BorderRadius.circular(10)),
      child: DropdownButton<String>(
        value: _waveType,
        isExpanded: true,
        dropdownColor: _themeColor.mainDropdownColor,
        style: TextStyle(color: t.primary, fontSize: 18),
        items: ['Sine', 'Square', 'Sawtooth', 'Triangle']
            .map((t) => DropdownMenuItem(value: t, child: Text(t))).toList(),
        onChanged: (v) => setState(() => _waveType = v!),
      ),
    );
  }

  Widget _buildSlider(String label, double value, double min, double max, ValueChanged<double> onChanged) {
    return Column(
      children: [
        Row(
          mainAxisAlignment: MainAxisAlignment.spaceBetween,
          children: [
            Text(label, style: TextStyle(color: _themeColor.mainForeColor)),
            Text(value.toStringAsFixed(2), style: TextStyle(color: _themeColor.mainForeColor, fontWeight: FontWeight.bold)),
          ],
        ),
        Slider(value: value, min: min, max: max, onChanged: onChanged, label: value.toStringAsFixed(2)),
      ],
    );
  }

  Widget _buildPlayButton() {
    final ColorScheme t = Theme.of(context).colorScheme;
    return Padding(
      padding: const EdgeInsets.only(top: 8.0),
      child: Row(
        children: [
          // PLAY ボタン
          Expanded(
            child: SizedBox(
              height: 40,
              child: ElevatedButton(
                onPressed: _isPlaying ? null : _togglePlay,
                style: ElevatedButton.styleFrom(
                  elevation: 0,
                  backgroundColor: _isPlaying ? t.secondary : t.primary,
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(12),
                  ),
                ),
                child: Text("PLAY",
                  style: TextStyle(
                    fontSize: 14,
                    fontWeight: FontWeight.bold,
                    color: _isPlaying ? _themeColor.mainForeColor : _themeColor.mainButtonForeColor
                  )
                ),
              ),
            ),
          ),
          const SizedBox(width: 8),
          // STOP ボタン
          Expanded(
            child: SizedBox(
              height: 40,
              child: ElevatedButton(
                onPressed: !_isPlaying ? null : _togglePlay,
                style: ElevatedButton.styleFrom(
                  elevation: 0,
                  backgroundColor: !_isPlaying ? t.secondary : t.primary,
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(12),
                  ),
                ),
                child: Text("STOP",
                  style: TextStyle(
                    fontSize: 14,
                    fontWeight: FontWeight.bold,
                    color: !_isPlaying ? _themeColor.mainForeColor : _themeColor.mainButtonForeColor
                  )
                ),
              ),
            ),
          ),
        ],
      ),
    );
  }

}

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

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

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

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

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

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

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

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

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

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

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

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

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

  @override
  Widget build(BuildContext context) {
    if (_hasError) {
      return _buildErrorMessage();
    }
    Color seed = _getRainbowAccentColor(Model.schemeColor);
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      localizationsDelegates: AppLocalizations.localizationsDelegates,
      supportedLocales: AppLocalizations.supportedLocales,
      locale: _locale,
      themeMode: _themeMode,
      theme: _createTheme(Brightness.light, seed),
      darkTheme: _createTheme(Brightness.dark, seed),
      home: _isReady ? const MainHomePage() : 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:soundgenerator/l10n/app_localizations.dart';

class Model {
  Model._();

  static const String _prefWakelockEnabled = 'wakelockEnabled';
  static const String _prefSchemeColor = 'schemeColor';
  static const String _prefThemeNumber = 'themeNumber';
  static const String _prefLanguageCode = 'languageCode';

  static bool _ready = false;
  static bool _wakelockEnabled = false;
  static int _schemeColor = 250;
  static int _themeNumber = 0;
  static String _languageCode = '';

  static bool get wakelockEnabled => _wakelockEnabled;
  static int get schemeColor => _schemeColor;
  static int get themeNumber => _themeNumber;
  static String get languageCode => _languageCode;

  static Future<void> ensureReady() async {
    if (_ready) {
      return;
    }
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    //
    _wakelockEnabled = prefs.getBool(_prefWakelockEnabled) ?? false;
    _schemeColor = (prefs.getInt(_prefSchemeColor) ?? 250).clamp(0, 360);
    _themeNumber = (prefs.getInt(_prefThemeNumber) ?? 0).clamp(0, 2);
    _languageCode = prefs.getString(_prefLanguageCode) ?? ui.PlatformDispatcher.instance.locale.languageCode;
    _languageCode = _resolveLanguageCode(_languageCode);
    _ready = true;
  }

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

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

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

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

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

}

/// Copyright© ao-system, Inc.

import 'dart:ui';

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

/// Copyright© ao-system, Inc.

import 'package:flutter/material.dart';

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

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

  @override
  State<SettingPage> createState() => _SettingPageState();
}

class _SettingPageState extends State<SettingPage> {
  AdUmpState _adUmpState = AdUmpState.initial;
  late final AdUmpService _adUmpService;
  late ThemeColor _themeColor;
  final _inAppReview = InAppReview.instance;
  bool _wakelockEnabled = true;
  int _themeNumber = 0;
  String _languageCode = '';
  bool _isReady = false;
  int _schemeColor = 0;
  Color _accentColor = Colors.red;

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

  void _initState() async {
    //ump
    _adUmpService = AdUmpService();
    await _refreshConsentInfo();
    //model
    _wakelockEnabled = Model.wakelockEnabled;
    _schemeColor = Model.schemeColor;
    _accentColor = _getRainbowAccentColor(_schemeColor);
    _themeNumber = Model.themeNumber;
    _languageCode = Model.languageCode;
    setState(() {
      _isReady = true;
    });
  }

  @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; });
    }
  }

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

  void _onApply() async {
    await Model.setWakelockEnabled(_wakelockEnabled);
    await Model.setSchemeColor(_schemeColor);
    await Model.setThemeNumber(_themeNumber);
    await Model.setLanguageCode(_languageCode);
    if (!mounted) {
      return;
    }
    Navigator.of(context).pop(true);
  }

  @override
  Widget build(BuildContext context) {
    if (!_isReady) {
      return LoadingScreen();
    }
    final l = AppLocalizations.of(context)!;
    final TextTheme t = Theme.of(context).textTheme;
    return Scaffold(
      backgroundColor: _themeColor.mainBackColor,
      appBar: AppBar(
        backgroundColor: Colors.transparent,
        leading: IconButton(
          icon: const Icon(Icons.close),
          onPressed: () => Navigator.of(context).pop(false)
        ),
        actions: [
          Padding(
              padding: const EdgeInsets.only(right: 10),
              child:IconButton(
                icon: const Icon(Icons.check),
                onPressed: _onApply,
              )
          ),
        ],
      ),
      body: SafeArea(
        child: Column(children:[
          Expanded(
            child: GestureDetector(
              onTap: () => FocusScope.of(context).unfocus(),
              child: SingleChildScrollView(
                child: Padding(
                  padding: const EdgeInsets.only(left: 16, right: 16, top: 0, bottom: 100),
                  child: Column(children: [
                    _buildBackgroundColor(l, t),
                    _buildWakelockEnabled(l, t),
                    _buildTheme(l, t),
                    _buildLanguage(l, t),
                    _buildReview(l, t),
                    _buildCmp(l, t),
                    _buildAtt(l, t),
                  ]),
                ),
              ),
            ),
          ),
        ])
      ),
      bottomNavigationBar: AdBannerWidget(adManager: MainApp.of(context).adManager),
    );
  }

  Widget _buildBackgroundColor(AppLocalizations l, TextTheme t) {
    return SettingCard(
      child: ListTile(
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        title: Text(l.colorScheme, style: t.bodyMedium),
        subtitle: Row(
          children: [
            Text(_schemeColor.toStringAsFixed(0)),
            const SizedBox(width: 12),
            Expanded(
              child: SliderTheme(
                data: SliderTheme.of(context).copyWith(
                  activeTrackColor: _accentColor,
                  inactiveTrackColor: _accentColor.withValues(alpha: 0.3),
                  thumbColor: _accentColor,
                  overlayColor: _accentColor.withValues(alpha: 0.2),
                  valueIndicatorColor: _accentColor,
                ),
                child: Slider(
                  value: _schemeColor.toDouble(),
                  min: 0,
                  max: 360,
                  divisions: 360,
                  label: _schemeColor.toString(),
                  onChanged: (value) {
                    setState(() {
                      _schemeColor = value.toInt();
                      _accentColor = _getRainbowAccentColor(_schemeColor);
                    });
                  },
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _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),
        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),
        title: Text(l.language, style: t.bodyMedium),
        trailing: DropdownButton<String?>(
          value: _languageCode,
          items: [
            DropdownMenuItem(value: '', child: Text('Default')),
            ...languageNames.entries.map((entry) => DropdownMenuItem<String?>(
              value: entry.key,
              child: Text(entry.value),
            )),
          ],
          onChanged: (String? value) {
            setState(() {
              _languageCode = value ?? '';
            });
          },
        ),
      ),
    );
  }

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

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

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

}

/// Copyright© ao-system, Inc.

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(210,210,210, 1.0) : Color.fromRGBO(40,40,40, 1.0);
  Color get mainBack2Color => _isLight ? Color.fromRGBO(240,240,240, 1.0) : Color.fromRGBO(0, 0, 0, 1.0);
  Color get mainCardColor => _isLight ? Color.fromRGBO(255, 255, 255, 1.0) : Color.fromRGBO(51, 51, 51, 1.0);
  Color get mainForeColor => _isLight ? Color.fromRGBO(34, 34, 34, 1.0) : Color.fromRGBO(200, 200, 200, 1.0);
  Color get mainDropdownColor => mainCardColor;
  Color get mainButtonForeColor => _isLight ? Color.fromRGBO(255, 255, 255, 1.0) : Color.fromRGBO(34, 34, 34, 1.0);
  //setting page
  Color get backColor => _isLight ? Colors.grey[200]! : Colors.grey[900]!;
  Color get cardColor => _isLight ? Colors.white : Colors.grey[800]!;
  Color get appBarForegroundColor => _isLight ? Colors.grey[700]! : Colors.white70;
  Color get dropdownColor => cardColor;
  Color get borderColor => _isLight ? Colors.grey[300]! : Colors.grey[700]!;
  Color get inputFillColor => _isLight ? Colors.grey[50]! : Colors.grey[900]!;
}

/// Copyright© ao-system, Inc.

import 'package:flutter/material.dart';

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

/// Copyright© ao-system, Inc.

import 'package:flutter/material.dart';

class WaveformPainter extends CustomPainter {
  final List<double> left;
  final List<double> right;
  WaveformPainter({required this.left, required this.right});

  @override
  void paint(Canvas canvas, Size size) {
    if (left.isEmpty || right.isEmpty) {
      return;
    }
    final double h = size.height / 2;
    final double w = size.width / left.length;

    // 左チャンネルのペイント設定(水色)
    final paintL = Paint()
      ..color = Colors.cyanAccent.withValues(alpha: 0.6)
      ..style = PaintingStyle.stroke
      ..strokeWidth = 2;

    // 右チャンネルのペイント設定(赤色)
    final paintR = Paint()
      ..color = Colors.redAccent.withValues(alpha: 0.6)
      ..style = PaintingStyle.stroke
      ..strokeWidth = 2;

    _drawPath(canvas, left, paintL, w, h);
    _drawPath(canvas, right, paintR, w, h);
  }

  void _drawPath(Canvas canvas, List<double> samples, Paint paint, double w, double h) {
    Path path = Path();
    if (samples.isEmpty) {
      return;
    }

    path.moveTo(0, h - samples[0] * h);
    for (int i = 1; i < samples.length; i++) {
      path.lineTo(i * w, h - samples[i] * h);
    }
    canvas.drawPath(path, paint);
  }

  @override
  bool shouldRepaint(covariant WaveformPainter oldDelegate) {
    // データが更新されたら再描画する
    return oldDelegate.left != left || oldDelegate.right != right;
  }

}