import 'package:feature_discovery/feature_discovery.dart';
import 'package:flutter/material.dart';
import 'package:flutter/scheduler.dart';
import 'package:flutter/services.dart';
import 'package:flutter_downloader/flutter_downloader.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:provider/provider.dart';

import 'generated/l10n.dart';
import 'home/home.dart';
import 'intro_slider/app_intro.dart';
import 'state/audio_state.dart';
import 'state/download_state.dart';
import 'state/podcast_group.dart';
import 'state/refresh_podcast.dart';
import 'state/search_state.dart';
import 'state/setting_state.dart';

///Initial theme settings
final SettingState themeSetting = SettingState();
Future main() async {
  timeDilation = 1.0;
  WidgetsFlutterBinding.ensureInitialized();
  await themeSetting.initData();
  await FlutterDownloader.initialize();
  runApp(
    MultiProvider(
      providers: [
        ChangeNotifierProvider(
          create: (_) => themeSetting,
        ),
        ChangeNotifierProvider(create: (_) => AudioPlayerNotifier()),
        ChangeNotifierProvider(create: (_) => GroupList()),
        ChangeNotifierProvider(create: (_) => RefreshWorker()),
        ChangeNotifierProvider(create: (_) => SearchState()),
        ChangeNotifierProvider(
          lazy: false,
          create: (_) => DownloadState(),
        )
      ],
      child: MyApp(),
    ),
  );
  var systemUiOverlayStyle = SystemUiOverlayStyle(
      statusBarColor: Colors.transparent,
      systemNavigationBarColor: Colors.transparent);
  SystemChrome.setSystemUIOverlayStyle(systemUiOverlayStyle);
  await SystemChrome.setPreferredOrientations(
      [DeviceOrientation.portraitUp, DeviceOrientation.portraitDown]);
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Consumer<SettingState>(
      builder: (_, setting, child) {
        return FeatureDiscovery(
          child: MaterialApp(
            themeMode: setting.theme,
            debugShowCheckedModeBanner: false,
            title: 'Tsacdop',
            theme: setting.lightTheme,
            darkTheme: setting.darkTheme,
            localizationsDelegates: [
              S.delegate,
              GlobalMaterialLocalizations.delegate,
              GlobalWidgetsLocalizations.delegate,
              GlobalCupertinoLocalizations.delegate,
            ],
            supportedLocales: S.delegate.supportedLocales,
            home: setting.showIntro ? SlideIntro(goto: Goto.home) : child,
          ),
        );
      },
      child: FeatureDiscovery(child: Home()),
    );
  }
}