import 'package:eatvio_app/features/feed/models/diets_pagination_model.dart';
import 'package:eatvio_app/features/feed/models/feed_blog_post_model.dart';
import 'package:eatvio_app/features/feed/presentation/bloc/feed_cubit/feed_cubit.dart';
import 'package:eatvio_app/features/feed/presentation/bloc/feed_cubit/feed_state.dart';
import 'package:eatvio_app/features/feed/repositories/feed_repository.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:mockito/annotations.dart';
import 'package:mockito/mockito.dart';

import 'feed_cubit_test.mocks.dart';

@GenerateNiceMocks([MockSpec<FeedRepository>()])
void main() {
  group('FeedCubit', () {
    late MockFeedRepository repository;
    late FeedCubit cubit;

    final post = FeedBlogPostModel(
      id: 1,
      state: 'active',
      image: 'https://example.com/image.png',
      description: 'text',
      author: const Author(authorSlug: 'a', authorName: 'Author', authorProfileIcon: 'https://example.com/avatar.png', authorIsMe: false),
      videoUrl: '',
      createdAt: DateTime(2024, 1, 1),
      updatedAt: DateTime(2024, 1, 1),
      title: 'Title',
      totalLikes: 1,
      totalViews: 2,
      totalComments: 3,
      wasLikedByMe: false,
    );

    setUp(() {
      repository = MockFeedRepository();
      cubit = FeedCubit(feedRepository: repository);
    });

    tearDown(() async {
      await cubit.close();
    });

    test('loadFeedBlogPostList emits loaded from getFeed', () async {
      when(repository.getFeed(search: null, cursor: null, currentUserId: null)).thenAnswer((_) async => (posts: [post], nextCursor: 'next'));

      await cubit.loadFeedBlogPostList();

      expect(cubit.state, isA<FeedStateLoaded>());
      final loaded = cubit.state as FeedStateLoaded;
      expect(loaded.feedBlogPostList, hasLength(1));
      verify(repository.getFeed(search: null, cursor: null, currentUserId: null)).called(1);
    });

    test('loadNextPage appends posts', () async {
      when(repository.getFeed(search: null, cursor: null, currentUserId: null)).thenAnswer((_) async => (posts: [post], nextCursor: 'next'));
      when(repository.getFeed(search: null, cursor: 'next', currentUserId: null)).thenAnswer((_) async => (posts: [post.copyWith(id: 2)], nextCursor: null));

      await cubit.loadFeedBlogPostList();
      await cubit.loadNextPage();

      final loaded = cubit.state as FeedStateLoaded;
      expect(loaded.feedBlogPostList, hasLength(2));
      verify(repository.getFeed(search: null, cursor: 'next', currentUserId: null)).called(1);
    });
  });
}