import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:travel_mate/services/error_service.dart';
import 'blocs/auth/auth_bloc.dart';
import 'blocs/auth/auth_event.dart';
import 'blocs/auth/auth_state.dart';
import 'blocs/theme/theme_bloc.dart';
import 'blocs/theme/theme_event.dart';
import 'blocs/theme/theme_state.dart';
import 'blocs/group/group_bloc.dart';
import 'blocs/user/user_bloc.dart';
import 'blocs/trip/trip_bloc.dart';
import 'repositories/auth_repository.dart';
import 'repositories/trip_repository.dart';
import 'repositories/user_repository.dart';
import 'repositories/group_repository.dart';
import 'pages/login.dart';
import 'pages/home.dart';
import 'pages/signup.dart';
import 'pages/resetpswd.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp();

  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MultiRepositoryProvider(
      providers: [
        RepositoryProvider<AuthRepository>(
          create: (context) => AuthRepository(),
        ),
        RepositoryProvider<UserRepository>(
          create: (context) => UserRepository(),
        ),
        RepositoryProvider<TripRepository>(
          create: (context) => TripRepository(),
        ),
        RepositoryProvider<GroupRepository>(
          create: (context) => GroupRepository(),
        ),
      ],
      child: MultiBlocProvider(
        providers: [
          BlocProvider<ThemeBloc>(
            create: (context) => ThemeBloc()..add(ThemeLoadRequested()),
          ),
          BlocProvider<AuthBloc>(
            create: (context) => AuthBloc(
              authRepository: context.read<AuthRepository>(),
            )..add(AuthCheckRequested()),
          ),
          BlocProvider(create: (context) => GroupBloc(
                context.read<GroupRepository>(),
          )),
          BlocProvider(create: (context) => TripBloc(
                tripRepository: context.read<TripRepository>(),
              ),
          ),
          BlocProvider(create: (context) => UserBloc()),
        ],
        child: BlocBuilder<ThemeBloc, ThemeState>(
          builder: (context, themeState) {
            return MaterialApp(
              title: 'Travel Mate',
              navigatorKey: ErrorService.navigatorKey,
              themeMode: themeState.themeMode,
              theme: ThemeData(
                colorScheme: ColorScheme.fromSeed(
                  seedColor: const Color.fromARGB(255, 180, 180, 180),
                  brightness: Brightness.light,
                ),
                useMaterial3: true,
              ),
              darkTheme: ThemeData(
                colorScheme: ColorScheme.fromSeed(
                  seedColor: const Color.fromARGB(255, 43, 43, 43),
                  brightness: Brightness.dark,
                ),
                useMaterial3: true,
              ),
              home: BlocBuilder<AuthBloc, AuthState>(
                builder: (context, authState) {
                  if (authState is AuthAuthenticated) {
                    return const HomePage();
                  }
                  return const LoginPage();
                },
              ),
              routes: {
                '/login': (context) => const LoginPage(),
                '/signup': (context) => const SignUpPage(),
                '/home': (context) => const HomePage(),
                '/forgot': (context) => const ForgotPasswordPage(),
              },
              debugShowCheckedModeBanner: false,
            );
          },
        ),
      ),
    );
  }
}