// Author: fruit.com.cn

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:fruitshorts/core/data/models/category_ranking.dart';
import 'package:fruitshorts/core/data/models/content_category.dart';
import 'package:fruitshorts/core/data/models/drama.dart';
import 'package:fruitshorts/core/data/models/home_feed.dart';
import 'package:fruitshorts/core/data/repositories/category_repository.dart';
import 'package:fruitshorts/core/data/services/category_controller.dart';
import 'package:fruitshorts/core/theme/app_colors.dart';
import 'package:fruitshorts/core/theme/app_theme.dart';
import 'package:fruitshorts/l10n/app_localizations.dart';
import 'package:fruitshorts/pages/home/widgets/home_ranking_dramas.dart';
import 'package:provider/provider.dart';

void main() {
  testWidgets('should_render_uniform_rows_in_server_rank_order', (
    tester,
  ) async {
    final controller = CategoryController(_EmptyCategoryRepository());
    controller.rankingSlotOf('ranking').ranking = CategoryRanking(
      id: 'ranking',
      code: 'RECOMMEND_RANKING',
      revision: '4',
      entries: [
        for (var rank = 1; rank <= 4; rank++)
          CategoryRankingEntry(rank: rank, drama: _drama('$rank')),
      ],
    );
    Drama? opened;

    await tester.pumpWidget(
      ChangeNotifierProvider.value(
        value: controller,
        child: MaterialApp(
          theme: AppTheme.dark(),
          localizationsDelegates: AppLocalizations.localizationsDelegates,
          supportedLocales: AppLocalizations.supportedLocales,
          home: Scaffold(
            body: HomeRankingDramas(
              categoryId: 'ranking',
              onOpenDrama: (drama) => opened = drama,
            ),
          ),
        ),
      ),
    );
    await tester.pumpAndSettle();

    for (var rank = 1; rank <= 4; rank++) {
      expect(find.byKey(Key('ranking-top-$rank')), findsOneWidget);
      expect(find.byKey(Key('ranking-row-${rank - 1}')), findsOneWidget);
    }
    expect(find.byKey(const Key('home-ranking-top-1')), findsNothing);
    final surface = tester.widget<DecoratedBox>(
      find.byKey(const Key('home-ranking-surface')),
    );
    final gradient =
        (surface.decoration as BoxDecoration).gradient! as LinearGradient;
    expect(gradient.colors.first, AppColors.followingGlow);
    expect(
      tester.getSize(find.byKey(const Key('ranking-row-cover-1'))),
      const Size(96, 128),
    );

    await tester.tap(find.byKey(const Key('ranking-top-2')));
    expect(opened?.id, '2');
  });
}

Drama _drama(String id) => Drama(
  id: id,
  title: 'Rank $id',
  synopsis: '',
  posterUrl: '',
  viewCount: int.parse(id) * 10,
);

class _EmptyCategoryRepository implements CategoryRepository {
  @override
  Future<List<ContentCategory>> fetchCategories() async => const [];

  @override
  Future<HomeFeed> fetchDiscoverFeed() async => const HomeFeed();
}