using AutoMapper;
using IM.Commons;
using MessageService.Domain.IReposities;
using MessageService.WebApi.Application.Dtos;

namespace MessageService.WebApi.Application.Conversation
{
    public class ConversationService
    {
        private readonly IConversationReposity reposity;
        private readonly IMapper mapper;

        public ConversationService(IConversationReposity reposity, IMapper mapper)
        {
            this.reposity = reposity;
            this.mapper = mapper;
        }

        public async Task<Result<List<ConversationResponse>>> GetByOwnerIdAsync(Guid userId)
        {
            var list = await reposity.FindByUserIdAsync(userId);
            return Result.Success(mapper.Map<List<ConversationResponse>>(list.ToList()));
        }

        public async Task<Result<ConversationResponse>> GetByIdAsync(Guid id, Guid userId)
        {
            var conversation = await reposity.FindByIdAsync(id);

            if (conversation is null || conversation.UserId != userId)
            {
                return Result.Fail<ConversationResponse>(ResultCode.CONVERSATION_NOT_FOUND);
            }

            return Result.Success(mapper.Map<ConversationResponse>(conversation));
        }

        public async Task<Result<List<string>>> GetStreamkeysAsync(Guid userId)
        {
            var list = await reposity.FindAllStreamKeyAsync(userId);
            return Result.Success(list.ToList());
        }

        public async Task<Result<object>> MarkAsReadAsync(Guid conversationId, Guid userId)
        {
            var conversation = await reposity.FindByIdAsync(conversationId);
            if (conversation is null || conversation.UserId != userId)
            {
                return Result.Fail<object>(ResultCode.CONVERSATION_NOT_FOUND);
            }

            conversation.MarkAsRead(lastReadSequenceId: null);
            return Result.Success();
        }
    }
}