// Author: fruit.com.cn
// 职责：验证追剧页移除顶部横幅/重复收藏标题后，卡片直达及历史续播能力。
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:fruitshorts/app.dart';
import 'package:fruitshorts/core/data/models/watch_progress.dart';
import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
import 'package:fruitshorts/core/data/repositories/playback_repository.dart';
import 'package:fruitshorts/core/data/repositories/watch_history_repository.dart';
import 'package:fruitshorts/l10n/app_localizations.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';

const _viewport = Size(390, 844);
const _tolerance = 0.1;
const _dramaId = 'the-signal-demo';
const _banner = Key('following-continue-banner');
const _page = Key('following-page');
const _favoritesGrid = Key('following-favorites-grid');
const _historyRecord = WatchProgress(
  dramaId: _dramaId,
  episodeId: 'the-signal-demo-3',
  dramaTitle: 'Recent story',
  episodeNumber: 3,
  totalEpisodes: 8,
  position: Duration(seconds: 25),
  duration: Duration(seconds: 100),
);

Future<void> _pumpFollowing(
  WidgetTester tester, {
  bool hasFavorites = true,
}) async {
  tester.view.physicalSize = _viewport;
  tester.view.devicePixelRatio = 1;
  addTearDown(tester.view.resetPhysicalSize);
  addTearDown(tester.view.resetDevicePixelRatio);
  final catalog = FakeCatalogRepository();
  final cards = hasFavorites
      ? catalog.dramas.take(1).toList()
      : catalog.dramas.take(0).toList();
  await tester.pumpWidget(
    LumaDramaApp(
      playerFactory: createWidgetPlayer,
      catalogRepository: catalog,
      categoryRepository: FakeCategoryRepository(catalog: catalog),
      watchHistoryRepository: InMemoryWatchHistoryRepository(
        seed: [_historyRecord],
      ),
      favoriteRepository: InMemoryFavoriteRepository(
        cards: cards,
        saved: cards.map((drama) => drama.id).toSet(),
      ),
      playbackRepository: FakePlaybackRepository(),
      commentRepository: FakeCommentRepository(),
      interactionRepository: FakeInteractionRepository(),
    ),
  );
  await tester.pumpAndSettle();
  await tester.tap(find.byKey(const Key('tab-follow')));
  await tester.pumpAndSettle();
}

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

  testWidgets('should_hide_continue_banner_when_recent_history_exists', (
    tester,
  ) async {
    await _pumpFollowing(tester);
    expect(find.byKey(_banner), findsNothing);
    expect(find.byKey(const Key('following-card-$_dramaId')), findsOneWidget);
    expect(find.byKey(const Key('following-add-card')), findsOneWidget);
    expect(tester.takeException(), isNull);
  });

  for (final hasFavorites in [true, false]) {
    testWidgets(
      'should_omit_section_heading_and_count_when_favorites_are_$hasFavorites',
      (tester) async {
        await _pumpFollowing(tester, hasFavorites: hasFavorites);
        final l10n = AppLocalizations.of(tester.element(find.byKey(_page)))!;
        final grid = find.byKey(_favoritesGrid);
        expect(
          find.descendant(of: grid, matching: find.text(l10n.favoriteDramas)),
          findsNothing,
        );
        expect(
          find.descendant(
            of: grid,
            matching: find.text(l10n.totalDramasCount(hasFavorites ? 1 : 0)),
          ),
          findsNothing,
        );
        if (hasFavorites) {
          final header = tester.getRect(
            find.byKey(const Key('following-header')),
          );
          final card = tester.getRect(
            find.byKey(const Key('following-card-$_dramaId')),
          );
          expect(card.top, closeTo(header.bottom, _tolerance));
        } else {
          expect(
            find.byKey(const Key('following-favorites-empty')),
            findsOneWidget,
          );
        }
        expect(tester.takeException(), isNull);
      },
    );
  }

  testWidgets('should_keep_history_continue_entry_when_history_tab_opens', (
    tester,
  ) async {
    await _pumpFollowing(tester);
    await tester.tap(find.byKey(const Key('following-tab-history')));
    await tester.pumpAndSettle();
    expect(
      find.byKey(const Key('following-history-card-$_dramaId')),
      findsOneWidget,
    );
    expect(
      find.byKey(const Key('following-history-continue-$_dramaId')),
      findsOneWidget,
    );
    expect(
      find.byKey(const Key('following-progress-$_dramaId')),
      findsOneWidget,
    );
    expect(find.byKey(_banner), findsNothing);
    expect(tester.takeException(), isNull);
  });
}