using Fitness_core_BE.Models;

namespace Fitness_core_BE.Interfaces
{
    public interface IFeedRepository
    {
        Task<FeedPost> GetFeedPostByIdAsync(Guid creatorId, Guid postId);
        Task<List<FeedPost>> GetFeedListAsync(int skip, int take);
        Task<bool> IsLikedAsync(Guid postId, Guid userId);
        Task AddLikeAsync(Guid postId, Guid userId);
        Task RemoveLikeAsync(Guid postId, Guid userId);
        Task<object> CreateFeedAsync(FeedPost feedPost, CancellationToken ct = default);
        Task<int> GetLikeCountAsync(Guid postId);
        Task<List<FeedPost>> GetFeedByClientAsync(Guid clientId);
        Task<(Guid? ClientId, List<FeedPost> Posts)> GetFeedForCustomerAsync(
            Guid customerUserId,
            int skip,
            int take,
            CancellationToken ct = default);
        Task<object> DeletePostPostIdAsync(Guid creatorId, Guid postId);

        // Resolves a feed poster's user id to the gym (Client) they own, then returns the ids of
        // all customers with an active subscription at that gym — used to fan out a push
        // notification to every member when the gym owner creates a post. Returns an empty list
        // for staff-authored posts or any poster who isn't a Client owner.
        Task<List<Guid>> GetActiveCustomerIdsByPosterUserIdAsync(Guid posterUserId, CancellationToken ct = default);
    }
}