import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:ignis_app/models/ignis_group.dart';
import 'package:ignis_app/providers/providers.dart';
import 'package:ignis_app/screens/remote_screen.dart';
import 'package:ignis_app/services/settings_service.dart';
import 'package:ignis_app/widgets/group_card.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'test_support.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  testWidgets('remote screen shows api keys menu for admin only', (
    tester,
  ) async {
    final adminApi = FakeIgnisApi(
      authData: {'is_admin': true, 'name': 'owner'},
      groupsData: <Object>[],
    );
    final adminContainer = await _pumpRemoteScreen(
      tester,
      api: adminApi,
      settingsService: await _seedSettingsService(),
    );
    await adminContainer.read(authInfoProvider.notifier).load();
    await tester.pump();

    await tester.tap(find.byIcon(Icons.more_vert));
    await tester.pumpAndSettle();
    expect(find.text('API-ключи'), findsOneWidget);

    await tester.tapAt(const Offset(10, 10));
    await tester.pumpAndSettle();

    final guestApi = FakeIgnisApi(
      authData: {'is_admin': false, 'name': 'guest'},
      groupsData: <Object>[],
    );
    final guestContainer = await _pumpRemoteScreen(
      tester,
      api: guestApi,
      settingsService: await _seedSettingsService(),
    );
    await guestContainer.read(authInfoProvider.notifier).load();
    await tester.pump();

    await tester.tap(find.byIcon(Icons.more_vert));
    await tester.pumpAndSettle();
    expect(find.text('API-ключи'), findsNothing);
  });

  testWidgets('remote screen deletes group after confirmation', (tester) async {
    final api = FakeIgnisApi(
      authData: {'is_admin': true, 'name': 'owner'},
      groupsData: {
        'kitchen': {
          'name': 'Kitchen',
          'macs': ['AA:BB'],
        },
      },
    );
    final container = await _pumpRemoteScreen(
      tester,
      api: api,
      settingsService: await _seedSettingsService(),
    );

    await container.read(groupsProvider.notifier).refresh();
    await tester.pump(const Duration(milliseconds: 300));

    expect(find.text('Kitchen'), findsOneWidget);

    await tester.drag(find.text('Kitchen'), const Offset(-500, 0));
    await tester.pumpAndSettle();
    expect(find.text('Удалить группу?'), findsOneWidget);

    await tester.tap(find.text('Удалить'));
    await tester.pumpAndSettle();

    expect(api.deletedGroupId, 'kitchen');
    expect(find.text('Kitchen'), findsNothing);
  });

  testWidgets('group card toggles power and creates 4 hour timer', (
    tester,
  ) async {
    final api = FakeIgnisApi(tasksData: {'tasks': <Object>[]});
    await pumpTestApp(
      tester,
      api: api,
      child: Scaffold(
        body: GroupCard(
          group: const IgnisGroup(
            id: 'hall',
            name: 'Hall',
            state: IgnisGroupState(isOn: true, brightness: 50),
          ),
        ),
      ),
    );

    await tester.tap(find.byIcon(Icons.timer));
    await tester.pumpAndSettle();
    expect(api.controlledGroupId, 'hall');
    expect(api.controlGroupParams, containsPair('state', true));
    expect(api.scheduledOnceParams, containsPair('target_id', 'hall'));
    expect(api.scheduledOnceParams, containsPair('hours_from_now', 4));

    await tester.tap(find.byType(Switch));
    await tester.pumpAndSettle();
    expect(api.controlGroupParams, containsPair('state', false));
  });

  testWidgets('group card loads scenes and applies selected scene', (
    tester,
  ) async {
    final api = FakeIgnisApi(scenesData: {'party': 'Party'});
    await pumpTestApp(
      tester,
      api: api,
      child: Scaffold(
        body: GroupCard(
          group: const IgnisGroup(
            id: 'hall',
            name: 'Hall',
            state: IgnisGroupState(isOn: true),
          ),
        ),
      ),
    );

    await tester.tap(find.text('Сцена'));
    await tester.pump();
    await tester.pump(const Duration(milliseconds: 100));

    expect(find.text('Party'), findsOneWidget);
    await tester.tap(find.text('Party'));
    await tester.pumpAndSettle();

    expect(api.controlledGroupId, 'hall');
    expect(api.controlGroupParams, containsPair('scene', 'party'));
  });

  testWidgets('group card shows retry when scenes fail to load', (
    tester,
  ) async {
    final api = FakeIgnisApi(scenesData: {'party': 'Party'});
    api.scenesError = DioException(
      requestOptions: RequestOptions(path: '/devices/scenes'),
      type: DioExceptionType.connectionError,
      message: 'No route to host',
    );

    await pumpTestApp(
      tester,
      api: api,
      child: Scaffold(
        body: GroupCard(
          group: const IgnisGroup(
            id: 'hall',
            name: 'Hall',
            state: IgnisGroupState(isOn: true),
          ),
        ),
      ),
    );

    await tester.tap(find.text('Сцена'));
    await tester.pump();
    await tester.pump(const Duration(milliseconds: 100));
    expect(find.text('Не удалось загрузить сцены'), findsOneWidget);

    api.scenesError = null;
    await tester.tap(find.text('Повторить'));
    await tester.pumpAndSettle();
    expect(find.text('Party'), findsOneWidget);
  });
}

Future<ProviderContainer> _pumpRemoteScreen(
  WidgetTester tester, {
  required FakeIgnisApi api,
  required SettingsService settingsService,
}) async {
  final container = createTestContainer(api, settingsService: settingsService);
  await container.read(currentHomeProvider.notifier).load();

  await tester.pumpWidget(
    UncontrolledProviderScope(
      container: container,
      child: const MaterialApp(home: RemoteScreen()),
    ),
  );
  await tester.pump();
  await tester.pump(const Duration(milliseconds: 100));
  return container;
}

Future<SettingsService> _seedSettingsService() async {
  SharedPreferences.setMockInitialValues({
    'ignis_homes':
        '[{"id":"home-1","name":"Home 1","url":"https://one.example","geofenceEnabled":false}]',
    'ignis_current_home_id': 'home-1',
  });

  final settingsService = SettingsService(
    credentialsStorage: InMemoryCredentialsStorage(),
  );
  await settingsService.setHomeApiKey('home-1', 'key-1');
  return settingsService;
}