import 'dart:typed_data';

import 'package:flutter_riverpod/flutter_riverpod.dart';

import '../../../../core/supabase/supabase_providers.dart';
import '../../data/services/feed_service.dart';
import '../../domain/models/feed_post_model.dart';

final feedServiceProvider = Provider<FeedService>((ref) {
  final client = ref.watch(supabaseProvider);
  return FeedService(client);
});

final feedPostsProvider = FutureProvider<List<FeedPostModel>>((ref) {
  return ref.watch(feedServiceProvider).fetchFeed();
});

final feedControllerProvider =
    AutoDisposeAsyncNotifierProvider<FeedController, void>(
  FeedController.new,
);

class FeedController extends AutoDisposeAsyncNotifier<void> {
  @override
  Future<void> build() async {}

  Future<void> createPost({
    required String caption,
    required Uint8List imageBytes,
    required String extension,
  }) async {
    state = const AsyncLoading();
    state = await AsyncValue.guard(() async {
      await ref.read(feedServiceProvider).createPost(
            caption: caption,
            imageBytes: imageBytes,
            extension: extension,
          );
      ref.invalidate(feedPostsProvider);
    });
  }

  Future<void> toggleLike(FeedPostModel post) async {
    state = const AsyncLoading();
    state = await AsyncValue.guard(() async {
      await ref.read(feedServiceProvider).toggleLike(
            postId: post.id,
            currentlyLiked: post.isLiked,
            currentLikesCount: post.likesCount,
          );
      ref.invalidate(feedPostsProvider);
    });
  }

  Future<void> deleteOwnPost(String postId) async {
    state = const AsyncLoading();
    state = await AsyncValue.guard(() async {
      await ref.read(feedServiceProvider).deleteOwnPost(postId);
      ref.invalidate(feedPostsProvider);
    });
  }
}