import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:selfprivacy/config/brand_colors.dart';
import 'package:selfprivacy/config/hive_config.dart';
import 'package:selfprivacy/theming/factory/app_theme_factory.dart';
import 'package:selfprivacy/ui/pages/initializing/initializing.dart';
import 'package:selfprivacy/ui/pages/onboarding/onboarding.dart';
import 'package:selfprivacy/ui/pages/rootRoute.dart';
import 'package:wakelock/wakelock.dart';
import 'package:timezone/data/latest.dart' as tz;

import 'config/bloc_config.dart';
import 'config/bloc_observer.dart';
import 'config/brand_theme.dart';
import 'config/get_it_config.dart';
import 'config/localization.dart';
import 'logic/cubit/app_settings/app_settings_cubit.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await HiveConfig.init();
  await SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);

  try {
    /* Wakelock support for Linux
     * desktop is not yet implemented */
    await Wakelock.enable();
  } on PlatformException catch (e) {
    print(e);
  }

  await getItSetup();
  await EasyLocalization.ensureInitialized();
  tz.initializeTimeZones();

  final lightThemeData = await AppThemeFactory.create(
    isDark: false,
    fallbackColor: BrandColors.primary,
  );
  final darkThemeData = await AppThemeFactory.create(
    isDark: true,
    fallbackColor: BrandColors.primary,
  );

  BlocOverrides.runZoned(
    () => runApp(Localization(child: MyApp(
      lightThemeData: lightThemeData,
      darkThemeData: darkThemeData,
    ))),
    blocObserver: SimpleBlocObserver(),
  );
}

class MyApp extends StatelessWidget {
  const MyApp({
    required this.lightThemeData,
    required this.darkThemeData,
  });

  final ThemeData lightThemeData;
  final ThemeData darkThemeData;

  @override
  Widget build(BuildContext context) {
    return Localization(
      child: AnnotatedRegion<SystemUiOverlayStyle>(
        value: SystemUiOverlayStyle.light, // Manually changing appbar color
        child: BlocAndProviderConfig(
          child: BlocBuilder<AppSettingsCubit, AppSettingsState>(
            builder: (context, appSettings) {
              return MaterialApp(
                scaffoldMessengerKey:
                    getIt.get<NavigationService>().scaffoldMessengerKey,
                navigatorKey: getIt.get<NavigationService>().navigatorKey,
                localizationsDelegates: context.localizationDelegates,
                supportedLocales: context.supportedLocales,
                locale: context.locale,
                debugShowCheckedModeBanner: false,
                title: 'SelfPrivacy',
                theme: lightThemeData,
                darkTheme: darkThemeData,
                themeMode: appSettings.isDarkModeOn ? ThemeMode.dark : ThemeMode.light,
                home: appSettings.isOnbordingShowing
                    ? OnboardingPage(nextPage: InitializingPage())
                    : RootPage(),
                builder: (BuildContext context, Widget? widget) {
                  Widget error = Text('...rendering error...');
                  if (widget is Scaffold || widget is Navigator)
                    error = Scaffold(body: Center(child: error));
                  ErrorWidget.builder =
                      (FlutterErrorDetails errorDetails) => error;
                  return widget!;
                },
              );
            },
          ),
        ),
      ),
    );
  }
}