using AutoMapper;
using ContactService.Domain;
using ContactService.WebApi.Application.Dtos;
using ContactService.WebApi.Application.IntegrationServices;
using IM.Commons;

namespace ContactService.WebApi.Application.Friend
{
    public class FriendService
    {
        private readonly IFriendReposity reposity;
        private readonly FriendDomainService service;
        private readonly IIdentityIntegrationService idService;
        private readonly IMapper mapper;

        public FriendService(IFriendReposity reposity, FriendDomainService service
            , IIdentityIntegrationService idService, IMapper mapper
            )
        {
            this.reposity = reposity;
            this.service = service;
            this.idService = idService;
            this.mapper = mapper;
        }

        public async Task<Result<List<FriendResonse>>> GetFriendsByOwnerIdAsync(Guid ownerId)
        {
            IEnumerable<Domain.Entities.Friend> friend = await reposity.FindByOwnerAsync(ownerId);
            return Result<List<FriendResonse>>.Success(mapper.Map<List<FriendResonse>>(friend.ToList()));
        }

        public async Task<Result<object>> DeleteFriendAsync(Guid userId, Guid friendId)
        {
            var friend = await reposity.FindByIdAsync(friendId);
            if (friend is null)
            {
                return Result<object>.Fail(ResultCode.FRIEND_RELATION_NOT_FOUND);
            }

            if (friend.Owner.Id != userId)
            {
                return Result<object>.Fail(ResultCode.FRIEND_RELATION_NOT_FOUND);
            }

            friend.SoftDelete();

            return Result<object>.Success();
        }

        public async Task<Result<object>> BlockFriendAsync(Guid userId, Guid friendId)
        {
            var friend = await reposity.FindByIdAsync(friendId);
            if (friend is null)
            {
                return Result<object>.Fail(ResultCode.FRIEND_RELATION_NOT_FOUND);
            }

            if (friend.Owner.Id != userId)
            {
                return Result<object>.Fail(ResultCode.PERMISSION_DENIED);
            }

            friend.Block();
            return Result<object>.Success();
        }

        public async Task<Result<bool>> CheckFriendAsync(Guid ownerId, Guid targetId)
        {
            var exist = await reposity.CheckOwnerIdAndTargetIdAsync(ownerId, targetId);
            return Result.Success(exist);
        }
    }
}