using AutoMapper;
using IM_API.Application.Interfaces;
using IM_API.Domain.Events;
using IM_API.Dtos;
using IM_API.Hubs;
using IM_API.Models;
using IM_API.Tools;
using Microsoft.AspNetCore.SignalR;

namespace IM_API.Application.EventHandlers
{
    public class SignalREventHandler : IEventHandler<MessageCreatedEvent>
    {
        private readonly IHubContext<ChatHub> _hub;
        private readonly IMapper _mapper;
        public SignalREventHandler(IHubContext<ChatHub> hub, IMapper mapper)
        {
            _hub = hub;
            _mapper = mapper;
        }

        public async Task Handle(MessageCreatedEvent @event)
        {
            if(@event.ChatType == Models.ChatType.PRIVATE)
            {
                MessageBaseDto messageBaseDto = new MessageBaseDto
                {
                    MsgId = @event.MessageId.ToString(),
                    ChatType = @event.ChatType.ToString(),
                    Content = @event.MessageContent,
                    GroupMemberId = null,
                    ReceiverId = @event.MsgRecipientId,
                    SenderId = @event.MsgSenderId,
                    TimeStamp = @event.MessageCreated,
                    Type = @event.MessageMsgType.ToString()
                };
                await _hub.Clients.Users(@event.MsgRecipientId.ToString()).SendAsync("ReceiveMessage", messageBaseDto);
            }
        }
    }
}