import 'package:eatvio_app/core/app_config.dart';
import 'package:eatvio_app/core/app_initializer.dart';
import 'package:eatvio_app/core/locator_service.dart';
import 'package:eatvio_app/core/theme/theme_helper.dart';
import 'package:eatvio_app/features/settings/presentation/bloc/settings_cubit/settings_cubit.dart';
import 'package:eatvio_app/features/settings/presentation/bloc/settings_cubit/settings_state.dart';
import 'package:eatvio_app/features/settings/presentation/pages/settings_screen.dart';
import 'package:eatvio_app/generated/l10n.dart';
import 'package:flutter/material.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:go_router/go_router.dart';
import 'package:mockito/annotations.dart';
import 'package:mockito/mockito.dart';

import 'settings_screen_test.mocks.dart';

@GenerateNiceMocks([MockSpec<SettingsCubit>()])
void main() {
  group('SettingsScreen smoke', () {
    setUpAll(() async {
      dotenv.loadFromString(envString: 'DEV_BASE_URL=http://localhost\nBASE_URL=http://localhost');
    });

    setUp(() async {
      await sl.reset();
      sl.registerLazySingleton<AppConfig>(() => AppConfig(buildType: AppBuildType.tests)..setBaseUrl('http://localhost'));
    });

    tearDown(() async {
      await sl.reset();
    });


    Widget wrap(Widget child) {
      return MaterialApp.router(
        theme: ThemeHelper().themeData(),
        localizationsDelegates: const [
          S.delegate,
          GlobalMaterialLocalizations.delegate,
          GlobalWidgetsLocalizations.delegate,
          GlobalCupertinoLocalizations.delegate,
        ],
        supportedLocales: const [Locale('ru')],
        routerConfig: GoRouter(
          initialLocation: '/',
          routes: [GoRoute(path: '/', builder: (context, state) => child)],
        ),
      );
    }

    testWidgets('renders settings screen - loading state', (tester) async {
      final cubit = MockSettingsCubit();
      const loadingState = SettingsState.loading();

      when(cubit.state).thenReturn(loadingState);
      when(cubit.stream).thenAnswer((_) => Stream.value(loadingState));
      when(cubit.close()).thenAnswer((_) async => Future<void>.value());
      when(cubit.init()).thenAnswer((_) async => Future<void>.value());

      sl.registerLazySingleton<SettingsCubit>(() => cubit);

      await tester.pumpWidget(wrap(const SettingsScreen()));
      await tester.pump();

      expect(find.byType(SettingsScreen), findsOneWidget);
      expect(find.text('Настройки'), findsOneWidget);
    });

    testWidgets('renders settings screen - error state', (tester) async {
      final cubit = MockSettingsCubit();
      const errorState = SettingsState.error(errorMessage: 'Test error');

      when(cubit.state).thenReturn(errorState);
      when(cubit.stream).thenAnswer((_) => Stream.value(errorState));
      when(cubit.close()).thenAnswer((_) async => Future<void>.value());
      when(cubit.init()).thenAnswer((_) async => Future<void>.value());

      sl.registerLazySingleton<SettingsCubit>(() => cubit);

      await tester.pumpWidget(wrap(const SettingsScreen()));
      await tester.pump();

      expect(find.byType(SettingsScreen), findsOneWidget);
      expect(find.text('Настройки'), findsOneWidget);
    });
  });
}