import 'dart:async';

import 'package:eatvio_app/core/app_initializer.dart';
import 'package:eatvio_app/core/cubit/marketing/marketing_cubit.dart';
import 'package:eatvio_app/core/env_config.dart';
import 'package:eatvio_app/core/internet_connection_cubit/internet_connection_cubit.dart';
import 'package:eatvio_app/core/locator_service.dart';
import 'package:eatvio_app/core/prefs.dart';
import 'package:eatvio_app/core/prefs_keys.dart';
import 'package:eatvio_app/core/views/cubit/views_cubit.dart';
import 'package:eatvio_app/features/bottom_navigation_bar/presentation/bloc/new_messages_cubit/new_messages_cubit.dart';
import 'package:eatvio_app/features/notifications/presentation/notifications_cubit/notifications_cubit.dart';
import 'package:eatvio_app/features/bottom_navigation_bar/presentation/bloc/profile_avatar_cubit/profile_avatar_cubit.dart';
import 'package:eatvio_app/features/chat/presentation/bloc/chats_cubit/chats_cubit.dart';
import 'package:eatvio_app/features/video_calls/presentation/bloc/video_call_session/video_call_session_cubit.dart';
import 'package:eatvio_app/features/feed/presentation/bloc/feed_cubit/feed_cubit.dart';
import 'package:eatvio_app/generated/l10n.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_localizations/flutter_localizations.dart';

/// Конфигурация приложения
class AppConfig {
  AppConfig({required this.buildType}) {
    _baseUrl = switch (buildType) {
      AppBuildType.prod => EnvConfig.baseUrl,
      AppBuildType.tests => EnvConfig.devBaseUrl,
      AppBuildType.dev => EnvConfig.devBaseUrl,
    };
  }

  final AppBuildType buildType;
  late String _baseUrl;
  String get baseUrl => _baseUrl;

  void setBaseUrl(String baseUrls) {
    _baseUrl = baseUrls;
    _persistBaseUrl(baseUrls);
  }

  void _persistBaseUrl(String baseUrl) {
    if (!sl.isRegistered<Prefs>()) {
      return;
    }
    final normalized = baseUrl.trim();
    if (normalized.isEmpty) {
      unawaited(sl<Prefs>().remove(PrefsKeys.customBaseUrl));
      return;
    }
    unawaited(sl<Prefs>().setString(PrefsKeys.customBaseUrl, normalized));
    unawaited(sl<Prefs>().setString(PrefsKeys.apiBaseUrl, normalized));
  }

  /// Список глобальных BlocProvider'ов
  /// Используются lazy: true для отложенной инициализации, чтобы не блокировать старт приложения
  List<BlocProvider> get globalBlocProviders => [
    BlocProvider<VideoCallSessionCubit>.value(
      value: sl<VideoCallSessionCubit>(),
    ),
    BlocProvider<NewMessagesCubit>(
      lazy: true,
      create: (context) => sl<NewMessagesCubit>(),
    ),
    BlocProvider<NotificationsCubit>(
      lazy: true,
      create: (context) => sl<NotificationsCubit>(),
    ),
    BlocProvider<FeedCubit>(lazy: true, create: (context) => sl<FeedCubit>()),
    BlocProvider<ProfileAvatarCubit>(
      lazy: true,
      create: (context) => sl<ProfileAvatarCubit>(),
    ),
    BlocProvider<ChatsCubit>(lazy: true, create: (context) => sl<ChatsCubit>()),
    BlocProvider<ViewsCubit>(lazy: true, create: (context) => sl<ViewsCubit>()),
    BlocProvider<InternetConnectionCubit>(
      lazy: false,
      create: (context) => sl<InternetConnectionCubit>(),
    ),
    BlocProvider<MarketingCubit>(
      lazy: true,
      create: (context) => sl<MarketingCubit>(),
    ),
  ];

  /// Делегаты локализации
  List<LocalizationsDelegate> get localizationDelegates => [
    S.delegate,
    GlobalMaterialLocalizations.delegate,
    GlobalWidgetsLocalizations.delegate,
    GlobalCupertinoLocalizations.delegate,
  ];

  /// Поддерживаемые локали
  List<Locale> get supportedLocales => [
    const Locale.fromSubtags(languageCode: 'ru'),
  ];
}