import 'package:external_repos/external_repos.dart';
import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:uae_stat/config/injector.dart';
import 'package:uae_stat/config/my_router.dart';
import 'package:uae_stat/config/my_theme.dart';
import 'package:uae_stat/config/old_theme.dart';
import 'package:uae_stat/domain/entities/language_locale.dart';
import 'package:uae_stat/domain/use_cases/auth_use_case.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  // await (await SharedPreferences.getInstance()).clear();
  configureDependencies();
  runApp(
    const ProviderScope(
      child: MainApp(),
    ),
  );
}

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

  @override
  Widget build(
    BuildContext context,
    WidgetRef ref,
  ) {
    const loading = Material(
      child: Center(
        child: CircularProgressIndicator(),
      ),
    );
    // waits to load preferences (language)
    // from local storage
    final languageFinalizedWidget = ref
        .watch(
          routerProvider,
        )
        .when(
          loading: () => loading,
          error: Error.throwWithStackTrace,
          data: (data) {
            final materialApp = MaterialApp.router(
              debugShowCheckedModeBanner: false,
              routerConfig: data,
              supportedLocales: LanguageLocale.values.map(
                (e) => e.toLocale(),
              ),
              localizationsDelegates: GlobalMaterialLocalizations.delegates,
              theme: ThemeData.from(
                colorScheme: ColorScheme.fromSeed(
                  seedColor: MyTheme.topicColor(
                    IndicatorTopic.economy,
                  ),
                ),
                textTheme: OldTheme.textTheme,
              ),
            );
            return ColoredBox(
              color: Colors.white,
              child: materialApp,
            );
          },
        );
    // waits to load auth from local storage
    final authFinalizedWidget = ref
        .watch(
          authUseCaseProvider,
        )
        .when(
          loading: () => loading,
          error: Error.throwWithStackTrace,
          data: (data) => languageFinalizedWidget,
        );
    return authFinalizedWidget;
  }
}