import 'package:get_it/get_it.dart';
import 'package:dio/dio.dart';
import 'package:shared_preferences/shared_preferences.dart';

import '../../core/network/api_client.dart';
import '../../features/auth/presentation/bloc/auth_bloc.dart';
import '../../features/chat/presentation/bloc/chat_bloc.dart';
import '../../features/settings/data/datasources/settings_local_datasource.dart';
import '../../features/settings/data/datasources/settings_remote_datasource.dart';
import '../../features/settings/data/repositories/settings_repository_impl.dart';
import '../../features/settings/domain/repositories/settings_repository.dart';
import '../../features/settings/presentation/bloc/settings_bloc.dart';

final sl = GetIt.instance;

Future<void> initDependencies() async {
  // Core - SharedPreferences
  final prefs = await SharedPreferences.getInstance();
  sl.registerLazySingleton<SharedPreferences>(() => prefs);

  // Core - Settings Local DataSource
  sl.registerLazySingleton<SettingsLocalDataSource>(
    () => SettingsLocalDataSourceImpl(sl()),
  );

  // Core - Dio (with dynamic base URL from settings)
  sl.registerLazySingleton<Dio>(() {
    final apiUrl = prefs.getString('api_url') ?? 'https://api.messenger.app';
    return Dio(BaseOptions(
      baseUrl: apiUrl,
      connectTimeout: const Duration(seconds: 30),
      receiveTimeout: const Duration(seconds: 30),
    ));
  });

  // Core - API Client
  sl.registerLazySingleton<ApiClient>(() => ApiClient(sl()));

  // Settings
  sl.registerLazySingleton<SettingsRemoteDataSource>(
    () => SettingsRemoteDataSourceImpl(sl()),
  );
  sl.registerLazySingleton<SettingsRepository>(
    () => SettingsRepositoryImpl(sl(), sl()),
  );
  sl.registerFactory<SettingsBloc>(() => SettingsBloc(sl()));

  // Auth
  sl.registerFactory<AuthBloc>(() => AuthBloc());

  // Chat
  sl.registerFactory<ChatBloc>(() => ChatBloc());
}