// Author: fruit.com.cn

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:fruitshorts/app.dart';
import 'package:fruitshorts/core/data/models/comment.dart';
import 'package:fruitshorts/core/data/models/interaction.dart';
import 'package:fruitshorts/pages/player/player_view.dart';
import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';

import 'support/fake_catalog.dart';
import 'support/fake_category.dart';
import 'support/fake_interaction_repositories.dart';
import 'support/widget_player.dart';
import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
import 'package:fruitshorts/core/data/repositories/catalog_repository.dart';
import 'package:fruitshorts/core/data/repositories/comment_repository.dart';
import 'package:fruitshorts/core/data/repositories/interaction_repository.dart';
import 'package:fruitshorts/core/data/repositories/playback_repository.dart';
import 'package:fruitshorts/core/data/repositories/watch_history_repository.dart';
import 'package:fruitshorts/core/data/services/playback_session.dart';

void main() {
  /// 默认按「已登录」起测：账号体系接上后，"登录"不再是本地演示开关，
  /// 而是本地会话（这里直接给 shared_preferences 的内存实现塞一份会话）。
  /// 昵称/uid 与演示文案保持一致，避免为显示细节改写既有断言。
  void seedSignedInSession() {
    SharedPreferencesAsyncPlatform
        .instance = InMemorySharedPreferencesAsync.withData({
      'auth.accessToken': 'test-access',
      'auth.refreshToken': 'test-refresh',
      'auth.user': '{"uid":"M1CZWVYE","nickname":"Vicky sheng","avatarUrl":""}',
    });
  }

  void seedSignedOutSession() {
    SharedPreferencesAsyncPlatform.instance =
        InMemorySharedPreferencesAsync.empty();
  }

  setUp(() {
    seedSignedInSession();
  });

  /// 所有 widget 测试都注入离线仓库：票据 / 进度 / 收藏都不碰网络，
  /// 这样断言的是 UI 行为，而不是后端有没有起。
  Widget appUnderTest({
    PlayerFactory? playerFactory,
    CatalogRepository? catalogRepository,
    CommentRepository? commentRepository,
    InteractionRepository? interactionRepository,
  }) {
    final catalog = catalogRepository ?? FakeCatalogRepository();
    return LumaDramaApp(
      playerFactory: playerFactory ?? createWidgetPlayer,
      catalogRepository: catalog,
      categoryRepository: FakeCategoryRepository(catalog: catalog),
      watchHistoryRepository: InMemoryWatchHistoryRepository(),
      favoriteRepository: InMemoryFavoriteRepository(
        cards: FakeCatalogRepository().dramas,
      ),
      playbackRepository: FakePlaybackRepository(),
      commentRepository: commentRepository ?? FakeCommentRepository(),
      interactionRepository:
          interactionRepository ?? FakeInteractionRepository(),
    );
  }

  testWidgets(
    'should_promote_next_without_recreating_it_or_showing_loading_when_home_is_swiped',
    (tester) async {
      final created = <String>[];
      await tester.pumpWidget(
        appUnderTest(
          playerFactory: (episode) {
            created.add(episode.id);
            return WidgetPlayer();
          },
        ),
      );
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('tab-home')));
      await tester.pumpAndSettle();
      expect(created, hasLength(2));
      expect(find.byType(CircularProgressIndicator), findsNothing);
      await tester.drag(find.byType(PageView), const Offset(0, -550));
      await tester.pump();
      expect(find.byType(CircularProgressIndicator), findsNothing);
      await tester.pumpAndSettle();
      expect(find.text('City Lights & Velvet Nights'), findsOneWidget);
      expect(created, hasLength(3));
      expect(created.toSet(), hasLength(3));
      await tester.pumpWidget(const SizedBox.shrink());
      await tester.pumpAndSettle();
    },
  );

  testWidgets('should_open_series_detail_when_immersive_home_is_tapped', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(appUnderTest());
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();
    expect(find.text('The Signal'), findsOneWidget);
    expect(find.byType(Slider), findsOneWidget);
    expect(find.text('Home'), findsWidgets);
    expect(find.textContaining('Playing now'), findsOneWidget);
    expect(find.text('Recommended'), findsNothing);
    expect(find.text('Following'), findsNothing);
    expect(find.byTooltip('Episodes'), findsWidgets);
    expect(find.byTooltip('Clear screen'), findsOneWidget);
    expect(find.byTooltip('Picture in picture'), findsNothing);
    await tester.tap(find.byTooltip('More'));
    await tester.pumpAndSettle();
    expect(find.text('Picture in picture'), findsOneWidget);
    await tester.binding.handlePopRoute();
    await tester.pumpAndSettle();
    expect(find.text('Watch Full'), findsNothing);
    expect(find.byTooltip('Explore series'), findsNothing);
  });

  testWidgets('should_hide_tabs_and_restore_them_when_clear_screen_is_tapped', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(appUnderTest());
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();
    await tester.tap(find.byTooltip('Clear screen'));
    await tester.pumpAndSettle();
    expect(find.byKey(const Key('home-tabs-bar')), findsNothing);
    expect(find.byTooltip('Exit clear screen'), findsOneWidget);
    await tester.tap(find.byTooltip('Exit clear screen'));
    await tester.pumpAndSettle();
    expect(find.byKey(const Key('home-tabs-bar')), findsOneWidget);
    expect(find.byTooltip('Clear screen'), findsOneWidget);
    expect(tester.takeException(), isNull);
  });

  testWidgets(
    'should_open_current_series_and_switch_root_tabs_when_quick_drawer_is_used',
    (tester) async {
      tester.view.physicalSize = const Size(360, 720);
      tester.view.devicePixelRatio = 1;
      addTearDown(tester.view.resetPhysicalSize);
      addTearDown(tester.view.resetDevicePixelRatio);

      await tester.pumpWidget(appUnderTest());
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('tab-discover')));
      await tester.pumpAndSettle();
      expect(find.byKey(const Key('home-all-dramas-grid')), findsOneWidget);
      await tester.binding.handlePopRoute();
      await tester.pumpAndSettle();
      expect(
        tester
            .widget<PlayerPage>(find.byType(PlayerPage, skipOffstage: false))
            .active,
        isFalse,
      );
      expect(find.text('Quick access'), findsOneWidget);
      expect(find.text('Bahasa Indonesia'), findsOneWidget);
      expect(
        find.descendant(
          of: find.byType(Drawer),
          matching: find.text('7 EPISODES'),
        ),
        findsOneWidget,
      );
      expect(tester.takeException(), isNull);

      await tester.tap(find.byKey(const Key('drawer-open-series')));
      await tester.pumpAndSettle();
      expect(find.byKey(const Key('detail-cta')), findsOneWidget);
      await tester.binding.handlePopRoute();
      await tester.pumpAndSettle();
      expect(
        tester
            .widget<PlayerPage>(find.byType(PlayerPage, skipOffstage: false))
            .active,
        isFalse,
      );
      expect(find.byKey(const Key('home-all-dramas-grid')), findsOneWidget);

      await tester.binding.handlePopRoute();
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('drawer-discover')));
      await tester.pumpAndSettle();
      expect(find.byKey(const Key('home-all-dramas-grid')), findsOneWidget);
      expect(
        Navigator.of(
          tester.element(find.byKey(const Key('home-all-dramas-grid'))),
        ).canPop(),
        isFalse,
      );
    },
  );

  testWidgets('should_change_interface_language_when_locale_is_picked', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(appUnderTest());
    await tester.pumpAndSettle();
    expect(find.byTooltip('Captions'), findsNothing);
    await tester.tap(find.byKey(const Key('tab-my')));
    await tester.pumpAndSettle();
    expect(find.text('Vicky sheng'), findsOneWidget);
    expect(find.text('Coins'), findsOneWidget);
    await tester.drag(find.byType(ListView), const Offset(0, -700));
    await tester.pumpAndSettle();
    await tester.tap(find.text('App Language'));
    await tester.pumpAndSettle();
    await tester.tap(find.text('简体中文').last);
    await tester.pumpAndSettle();
    expect(find.text('我的'), findsWidgets);
    await tester.drag(find.byType(ListView), const Offset(0, 700));
    await tester.pumpAndSettle();
    expect(find.text('我的账户'), findsOneWidget);
    expect(find.text('首页'), findsOneWidget);
    await tester.tap(find.text('找剧'));
    await tester.pumpAndSettle();
    expect(find.text('全部'), findsOneWidget);
    expect(find.text('热门'), findsOneWidget);
  });

  testWidgets(
    'should_fit_compact_android_viewport_when_home_controls_are_shown',
    (tester) async {
      tester.view.physicalSize = const Size(360, 720);
      tester.view.devicePixelRatio = 1;
      addTearDown(tester.view.resetPhysicalSize);
      addTearDown(tester.view.resetDevicePixelRatio);

      await tester.pumpWidget(appUnderTest());
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('tab-home')));
      await tester.pumpAndSettle();
      expect(find.text('The Signal'), findsOneWidget);
      await tester.drag(find.byType(PageView), const Offset(0, -500));
      await tester.pumpAndSettle();
      expect(find.text('City Lights & Velvet Nights'), findsOneWidget);
      await tester.tap(find.byKey(const Key('tab-discover')));
      await tester.pumpAndSettle();
      await tester.tap(find.text('City Lights & Velvet Nights'));
      await tester.pumpAndSettle();
      expect(find.byType(Slider), findsOneWidget);
      expect(tester.takeException(), isNull);
    },
  );

  testWidgets(
    'should_fit_compact_android_viewport_and_return_home_when_my_page_is_shown',
    (tester) async {
      tester.view.physicalSize = const Size(360, 720);
      tester.view.devicePixelRatio = 1;
      addTearDown(tester.view.resetPhysicalSize);
      addTearDown(tester.view.resetDevicePixelRatio);

      await tester.pumpWidget(appUnderTest());
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('tab-my')));
      await tester.pumpAndSettle();
      expect(tester.takeException(), isNull);
      expect(find.text('Vicky sheng'), findsOneWidget);
      expect(find.text('Coins'), findsOneWidget);
      expect(tester.takeException(), isNull);
      await tester.tap(find.byKey(const Key('tab-home')));
      await tester.pumpAndSettle();
      expect(find.text('The Signal'), findsOneWidget);
    },
  );

  testWidgets('should_fit_compact_dark_viewport_when_evening_theme_is_used', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(320, 568);
    tester.view.devicePixelRatio = 1;
    tester.platformDispatcher.platformBrightnessTestValue = Brightness.dark;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);
    addTearDown(tester.platformDispatcher.clearPlatformBrightnessTestValue);

    await tester.pumpWidget(appUnderTest());
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();
    expect(find.text('The Signal'), findsOneWidget);
    expect(tester.takeException(), isNull);

    await tester.tap(find.byKey(const Key('tab-my')));
    await tester.pumpAndSettle();
    expect(find.text('Coins'), findsOneWidget);
    expect(tester.takeException(), isNull);
  });

  testWidgets(
    'should_show_three_playable_dramas_and_one_pending_poster_when_discover_is_opened',
    (tester) async {
      tester.view.physicalSize = const Size(360, 720);
      tester.view.devicePixelRatio = 1;
      addTearDown(tester.view.resetPhysicalSize);
      addTearDown(tester.view.resetDevicePixelRatio);

      await tester.pumpWidget(appUnderTest());
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('tab-discover')));
      await tester.pumpAndSettle();

      expect(find.text('All'), findsOneWidget);
      expect(find.byKey(const Key('home-all-dramas-grid')), findsOneWidget);
      expect(find.byKey(const Key('discover-profile')), findsOneWidget);
      expect(
        find.byKey(
          const Key('home-drama-genre-city-lights-demo'),
          skipOffstage: false,
        ),
        findsOneWidget,
      );
      expect(
        find.byKey(
          const Key('home-drama-genre-vengeance-demo'),
          skipOffstage: false,
        ),
        findsOneWidget,
      );
      expect(find.byTooltip('Search'), findsNothing);
      expect(tester.takeException(), isNull);

      await tester.tap(find.byKey(const Key('tab-my')));
      await tester.pumpAndSettle();
      await tester.scrollUntilVisible(
        find.byKey(const Key('mine-library-tab-1')),
        260,
      );
      await tester.tap(find.byKey(const Key('mine-library-tab-1')));
      await tester.pumpAndSettle();
      expect(find.text('No shows here yet.'), findsOneWidget);
      await tester.tap(find.byKey(const Key('tab-home')));
      await tester.pumpAndSettle();
      expect(find.text('The Signal'), findsOneWidget);
    },
  );

  testWidgets('should_stay_on_one_route_when_bottom_tabs_are_used', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(appUnderTest());
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-discover')));
    await tester.pumpAndSettle();
    expect(find.byKey(const Key('home-all-dramas-grid')), findsOneWidget);
    expect(find.byTooltip('Search'), findsNothing);
    expect(
      Navigator.of(
        tester.element(find.byKey(const Key('home-all-dramas-grid'))),
      ).canPop(),
      isFalse,
    );

    await tester.tap(find.byKey(const Key('tab-my')));
    await tester.pumpAndSettle();
    await tester.drag(find.byType(ListView), const Offset(0, -700));
    await tester.pumpAndSettle();
    expect(find.text('History'), findsWidgets);
    expect(
      Navigator.of(tester.element(find.text('History').first)).canPop(),
      isFalse,
    );
    await tester.tap(find.byKey(const Key('mine-library-tab-1')));
    await tester.pumpAndSettle();
    expect(find.text('No shows here yet.'), findsOneWidget);

    await tester.tap(find.byKey(const Key('tab-discover')));
    await tester.pumpAndSettle();
    expect(find.byKey(const Key('home-all-dramas-grid')), findsOneWidget);
    expect(find.byTooltip('Search'), findsNothing);
    expect(
      Navigator.of(
        tester.element(find.byKey(const Key('home-all-dramas-grid'))),
      ).canPop(),
      isFalse,
    );
    await tester.tap(find.byKey(const Key('tab-my')));
    await tester.pumpAndSettle();
    await tester.drag(find.byType(ListView), const Offset(0, -400));
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('mine-library-tab-1')));
    await tester.pumpAndSettle();
    expect(find.text('No shows here yet.'), findsOneWidget);
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();
    expect(find.text('The Signal'), findsOneWidget);
    expect(
      Navigator.of(tester.element(find.text('The Signal'))).canPop(),
      isFalse,
    );
  });

  testWidgets(
    'should_change_drama_on_home_swipe_and_episode_on_player_swipe_when_swiping',
    (tester) async {
      tester.view.physicalSize = const Size(390, 844);
      tester.view.devicePixelRatio = 1;
      addTearDown(tester.view.resetPhysicalSize);
      addTearDown(tester.view.resetDevicePixelRatio);

      await tester.pumpWidget(appUnderTest());
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('tab-home')));
      await tester.pumpAndSettle();
      expect(find.text('The Signal'), findsOneWidget);

      await tester.drag(find.byType(PageView), const Offset(0, -550));
      await tester.pumpAndSettle();
      expect(find.text('City Lights & Velvet Nights'), findsOneWidget);
      expect(find.textContaining('Episode 1'), findsOneWidget);

      await tester.tap(find.byKey(const Key('tab-discover')));
      await tester.pumpAndSettle();
      await tester.tap(find.text('City Lights & Velvet Nights'));
      await tester.pumpAndSettle();
      expect(find.byType(Slider), findsOneWidget);
      await tester.drag(find.byType(PageView), const Offset(0, -550));
      await tester.pumpAndSettle();
      expect(
        tester.widget<Text>(find.byKey(const Key('player-title'))).data,
        contains('Episode 2'),
      );
      expect(find.textContaining('City Lights & Velvet Nights'), findsWidgets);
    },
  );

  testWidgets('should_hide_category_navigation_when_shorts_page_is_shown', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(appUnderTest());
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();
    expect(find.text('Following'), findsNothing);
    expect(find.text('Animated'), findsNothing);
    expect(find.text('Live Action'), findsNothing);
    expect(find.text('Recommended'), findsNothing);
    expect(find.text('The Signal'), findsOneWidget);
    await tester.drag(find.byType(PageView), const Offset(0, -550));
    await tester.pumpAndSettle();
    expect(find.text('City Lights & Velvet Nights'), findsOneWidget);
    expect(tester.takeException(), isNull);
  });
  testWidgets(
    'should_save_comment_like_and_share_in_order_when_right_rail_is_used',
    (tester) async {
      tester.view.physicalSize = const Size(390, 844);
      tester.view.devicePixelRatio = 1;
      addTearDown(tester.view.resetPhysicalSize);
      addTearDown(tester.view.resetDevicePixelRatio);
      String? sharedText;
      final interactions = FakeInteractionRepository();
      final comments = FakeCommentRepository(pages: [const CommentPage()]);
      const channel = MethodChannel('com.stormg.lumadrama/share');
      tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(channel, (
        call,
      ) async {
        sharedText = (call.arguments as Map)['text'] as String;
        return null;
      });
      addTearDown(
        () => tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(
          channel,
          null,
        ),
      );

      await tester.pumpWidget(
        appUnderTest(
          commentRepository: comments,
          interactionRepository: interactions,
        ),
      );
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('tab-home')));
      await tester.pumpAndSettle();
      final keys = [
        const Key('rail-like'),
        const Key('rail-save'),
        const Key('rail-comments'),
        const Key('rail-share'),
      ];
      final tops = keys
          .map((key) => tester.getTopLeft(find.byKey(key)).dy)
          .toList();
      expect(tops, orderedEquals(tops.toList()..sort()));

      await tester.tap(find.byKey(const Key('rail-save')));
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('rail-comments')));
      await tester.pumpAndSettle();
      expect(find.text('No comments yet.'), findsOneWidget);
      await tester.enterText(
        find.byKey(const Key('comment-input')),
        'Nice demo',
      );
      await tester.tap(find.byKey(const Key('comment-post')));
      await tester.pumpAndSettle();
      expect(find.text('Nice demo'), findsOneWidget);
      await tester.binding.handlePopRoute();
      await tester.pumpAndSettle();

      await tester.tap(find.byKey(const Key('rail-like')));
      await tester.pumpAndSettle();
      expect(interactions.likeTargets, contains('DRAMA:the-signal-demo'));
      await tester.tap(find.byKey(const Key('rail-share')));
      await tester.pumpAndSettle();
      expect(sharedText, contains('The Signal'));
      expect(sharedText, contains('A demo series for vertical playback'));
      expect(sharedText, contains('FruitShorts'));
      expect(tester.takeException(), isNull);
    },
  );

  testWidgets('should_open_auth_gate_without_liking_when_signed_out', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);
    seedSignedOutSession();
    final interactions = FakeInteractionRepository();

    await tester.pumpWidget(appUnderTest(interactionRepository: interactions));
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-home')));
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('rail-like')));
    await tester.pumpAndSettle();

    expect(find.text('Sign in to continue'), findsOneWidget);
    expect(interactions.likeTargets, isEmpty);
  });

  testWidgets('should_report_drama_from_detail_more_menu_when_submitted', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(390, 844);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);
    final interactions = FakeInteractionRepository();

    await tester.pumpWidget(appUnderTest(interactionRepository: interactions));
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('tab-discover')));
    await tester.pumpAndSettle();
    await tester.binding.handlePopRoute();
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('drawer-open-series')));
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('detail-more')));
    await tester.pumpAndSettle();
    await tester.tap(find.text('Report drama'));
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('report-submit')));
    await tester.pumpAndSettle();

    expect(interactions.reports.single.targetType, InteractionTargetType.drama);
    expect(find.text('Report submitted. Thank you.'), findsOneWidget);
  });

  testWidgets(
    'should_open_drawer_and_stay_on_home_when_system_back_is_pressed',
    (tester) async {
      tester.view.physicalSize = const Size(390, 844);
      tester.view.devicePixelRatio = 1;
      addTearDown(tester.view.resetPhysicalSize);
      addTearDown(tester.view.resetDevicePixelRatio);
      await tester.pumpWidget(appUnderTest());
      await tester.pumpAndSettle();

      await tester.tap(find.byKey(const Key('tab-discover')));
      await tester.pumpAndSettle();
      expect(find.byKey(const Key('home-all-dramas-grid')), findsOneWidget);
      await tester.binding.handlePopRoute();
      await tester.pumpAndSettle();
      expect(find.text('Quick access'), findsOneWidget);
      expect(find.byKey(const Key('home-tabs-bar')), findsOneWidget);
      await tester.binding.handlePopRoute();
      await tester.pumpAndSettle();
      expect(find.text('Quick access'), findsNothing);
      expect(find.byKey(const Key('home-all-dramas-grid')), findsOneWidget);
      expect(
        Navigator.of(
          tester.element(find.byKey(const Key('home-tabs-bar'))),
        ).canPop(),
        isFalse,
      );
    },
  );

  testWidgets(
    'should_list_saved_dramas_across_home_feed_when_watchlist_is_opened',
    (tester) async {
      tester.view.physicalSize = const Size(390, 844);
      tester.view.devicePixelRatio = 1;
      addTearDown(tester.view.resetPhysicalSize);
      addTearDown(tester.view.resetDevicePixelRatio);
      // 收藏要求登录态：沿用本文件已有的"假登录"初始化
      seedSignedInSession();
      await tester.pumpWidget(appUnderTest());
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('tab-home')));
      await tester.pumpAndSettle();

      await tester.tap(find.byKey(const Key('rail-save')));
      await tester.pumpAndSettle();
      await tester.drag(find.byType(PageView), const Offset(0, -550));
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('rail-save')));
      await tester.pumpAndSettle();
      await tester.tap(find.byKey(const Key('tab-my')));
      await tester.pumpAndSettle();
      await tester.scrollUntilVisible(
        find.byKey(const Key('mine-library-tab-1')),
        300,
      );
      await tester.tap(find.byKey(const Key('mine-library-tab-1')));
      await tester.pumpAndSettle();
      expect(find.text('The Signal'), findsOneWidget);
      expect(find.text('City Lights & Velvet Nights'), findsWidgets);
      await tester.tap(find.text('The Signal'));
      await tester.pumpAndSettle();
      expect(find.byKey(const Key('detail-cta')), findsOneWidget);
    },
  );
}