using IM_API.Dtos;
using IM_API.Interface.Services;
using IM_API.Tools;
using Microsoft.AspNetCore.SignalR;
using System.Security.Claims;

namespace IM_API.Hubs
{
    public class ChatHub:Hub
    {
        private IMessageSevice _messageService;
        private readonly IConversationService _conversationService;
        public ChatHub(IMessageSevice messageService, IConversationService conversationService)
        {
            _messageService = messageService;
            _conversationService = conversationService;
        }

        public async override Task OnConnectedAsync()
        {
            if (!Context.User.Identity.IsAuthenticated)
            {
                Context.Abort();
                return;
            }
            //将用户加入已加入聊天的会话组
            string userIdStr = Context.User.FindFirstValue(ClaimTypes.NameIdentifier);
            var keys = await _conversationService.GetUserAllStreamKeyAsync(int.Parse(userIdStr));
            foreach(var key in keys)
            {
                await Groups.AddToGroupAsync(Context.ConnectionId,key);
            }
            await base.OnConnectedAsync();
        }
        public async Task SendPrivateMessage(MessageBaseDto dto)
        {
            if (!Context.User.Identity.IsAuthenticated)
            {
                await Clients.Caller.SendAsync("ReceiveMessage", new BaseResponse<object?>(CodeDefine.AUTH_FAILED));
                Context.Abort();
                return;
            }
            var userIdStr = Context.User.FindFirstValue(ClaimTypes.NameIdentifier);
            await _messageService.SendPrivateMessageAsync(int.Parse(userIdStr),dto.ReceiverId,dto);
            await Clients.Users(dto.ReceiverId.ToString()).SendAsync("ReceiveMessage", userIdStr, dto.Content);
            return;
        }
    }
}