import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:reelbox/app.dart';
import 'package:reelbox/data/api_service.dart';
import 'package:reelbox/data/models.dart';
import 'package:reelbox/state/app_state.dart';
import 'package:reelbox/ui/catalog.dart';
import 'package:reelbox/ui/library.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'api_service_test.dart' as fixtures;
import 'api_selector_test.dart' show iranBase;

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();
  setUp(() => SharedPreferences.setMockInitialValues({}));

  fixtures.StubAdapter adapter() => fixtures.StubAdapter(
    (r) => r.uri.path.contains('/first/')
        ? fixtures.jsonBody({'posters': []})
        : fixtures.jsonBody([]),
  );

  for (final locale in ['en', 'fa']) {
    testWidgets(
      'settings hides connection details and preserves migrated library in $locale',
      (tester) async {
        final network = adapter();
        final state = AppState(
          api: ApiService(dio: Dio()..httpClientAdapter = network),
        );
        addTearDown(state.dispose);
        await state.initialize(discover: false);
        await state.updateSettings(state.prefs.copyWith(locale: locale));
        const title = TitleRecord(id: 9, title: 'Saved title');
        await state.toggleSaved(title);
        await state.recordWatch(
          title,
          sourceUrl: 'https://media.example/film.mp4?token=exact',
          positionSeconds: 12,
        );
        await state.createCollection('Keep collection');
        final storedLibrary = (await SharedPreferences.getInstance()).getString(
          AppState.storageKey,
        );
        var notifications = 0;
        state.addListener(() => notifications++);
        await tester.pumpWidget(
          AppScope(
            state: state,
            child: const MaterialApp(home: SettingsPage()),
          ),
        );
        await tester.drag(find.byType(ListView), const Offset(0, -10000));
        await tester.pumpAndSettle();
        expect(state.api.baseUrl, iranBase);
        expect(find.text(iranBase), findsNothing);
        expect(find.byKey(const Key('catalog-api-endpoint')), findsNothing);
        expect(
          find.text(locale == 'en' ? 'Iran Catalogue' : 'فهرست ایران'),
          findsNothing,
        );
        expect(find.byKey(const Key('catalog-api-selector')), findsNothing);
        expect(find.text('Original API'), findsNothing);
        expect(find.text('API اصلی'), findsNothing);
        expect(find.text('Refresh API server'), findsNothing);
        expect(notifications, 0);
        expect(
          network.requests,
          isEmpty,
          reason: 'Endpoint information must not probe or offer fallback',
        );
        expect(
          (await SharedPreferences.getInstance()).getString(
            AppState.storageKey,
          ),
          storedLibrary,
        );
        final preferences = await SharedPreferences.getInstance();
        await preferences.setString(
          'reelbox.api-selection.v1',
          'https://ninwinios.info/api/',
        );
        await preferences.setString(
          'reelbox.trusted-api.v1',
          'https://ninwinios.info/api/',
        );
        final restarted = AppState(
          api: ApiService(dio: Dio()..httpClientAdapter = adapter()),
        );
        addTearDown(restarted.dispose);
        await restarted.initialize(discover: false);
        expect(preferences.getString(AppState.storageKey), storedLibrary);
        expect(restarted.api.baseUrl, iranBase);
        expect(restarted.saved.single.title, 'Saved title');
        expect(
          restarted.history.single.sourceUrl,
          'https://media.example/film.mp4?token=exact',
        );
        expect(restarted.collections.single.name, 'Keep collection');
        expect(restarted.locale, locale);
      },
    );
  }

  testWidgets(
    'Iran-only catalogue normalizes a legacy views browse on first mount',
    (tester) async {
      final network = adapter();
      final state = AppState(
        api: ApiService(dio: Dio()..httpClientAdapter = network),
      );
      addTearDown(state.dispose);
      await state.initialize(discover: false);
      await tester.pumpWidget(
        AppScope(
          state: state,
          child: const MaterialApp(home: BrowsePage(initialOrder: 'views')),
        ),
      );
      await tester.pumpAndSettle();
      expect(find.text('Most viewed'), findsNothing);
      expect(find.text('Recently added'), findsOneWidget);
      final iranRequests = network.requests.where(
        (r) => r.uri.host == 'reelbox.dartty.top',
      );
      expect(iranRequests.any((r) => r.uri.path.contains('/created/')), isTrue);
      expect(iranRequests.any((r) => r.uri.path.contains('/views/')), isFalse);
      await tester.tap(find.byTooltip('Sort titles'));
      await tester.pumpAndSettle();
      expect(find.text('Most viewed'), findsNothing);
      await tester.tap(find.text('Release year'));
      await tester.pumpAndSettle();
      await tester.pumpWidget(
        AppScope(
          state: state,
          child: const MaterialApp(home: DiscoveryDirectoryPage()),
        ),
      );
      await tester.pumpAndSettle();
      final list = tester.widget<ListView>(find.byType(ListView));
      final children =
          (list.childrenDelegate as SliverChildListDelegate).children;
      final titles = children
          .whereType<ListTile>()
          .map((tile) => (tile.title as Text).data)
          .toList();
      expect(titles, isNot(contains('Most-viewed movies')));
      expect(titles, isNot(contains('Most-viewed series')));
    },
  );

  testWidgets(
    'catalogue tabs survive simplified settings without changing local library',
    (tester) async {
      final network = adapter();
      final state = AppState(
        api: ApiService(dio: Dio()..httpClientAdapter = network),
      );
      addTearDown(state.dispose);
      await state.initialize(discover: false);
      await state.updateSettings(state.prefs.copyWith(introCompleted: true));
      await state.toggleSaved(const TitleRecord(id: 9, title: 'Saved title'));
      await tester.pumpWidget(MyApp(state: state));
      await tester.pumpAndSettle();
      for (final tab in ['Browse', 'Search', 'Library', 'More']) {
        await tester.tap(find.widgetWithText(NavigationDestination, tab));
        await tester.pumpAndSettle();
      }
      await tester.tap(find.text('Settings'));
      await tester.pumpAndSettle();
      await tester.drag(find.byType(ListView), const Offset(0, -10000));
      await tester.pumpAndSettle();
      expect(find.text(iranBase), findsNothing);
      expect(find.byKey(const Key('catalog-api-endpoint')), findsNothing);
      expect(find.byKey(const Key('catalog-api-selector')), findsNothing);
      await tester.pageBack();
      await tester.pumpAndSettle();
      final iranRequests = network.requests
          .where((r) => r.uri.origin == 'https://reelbox.dartty.top')
          .toList();
      expect(iranRequests.any((r) => r.uri.path.contains('/first/')), isTrue);
      expect(
        iranRequests.any((r) => r.uri.path.contains('/movie/by/filtres/')),
        isTrue,
      );
      expect(
        iranRequests.any(
          (r) => r.uri.queryParameters['action'] == 'search-trand',
        ),
        isTrue,
      );
      expect(state.saved.single.title, 'Saved title');
      await tester.tap(find.widgetWithText(NavigationDestination, 'Library'));
      await tester.pumpAndSettle();
      expect(find.text('Watchlist (1)'), findsOneWidget);
      expect(tester.takeException(), isNull);
    },
  );
}