using IM_API.Dtos;
using IM_API.Models;
using IM_API.VOs.Message;

namespace IM_API.VOs.Conversation
{
    public class ConversationVo
    {
        public int Id { get; set; }

        /// <summary>
        /// 用户
        /// </summary>
        public int UserId { get; set; }

        /// <summary>
        /// 对方ID（群聊为群聊ID，单聊为单聊ID）	
        /// </summary>
        public int TargetId { get; set; }

        /// <summary>
        /// 最后一条未读消息ID	
        /// </summary>
        public long? LastSequenceId { get; set; }

        /// <summary>
        /// 未读消息数	
        /// </summary>
        public int UnreadCount { get; set; }

        public ChatType ChatType { get; set; }


        /// <summary>
        /// 最后一条最新消息
        /// </summary>
        public string LastMessage { get; set; } = null!;
        /// <summary>
        /// 最后一条消息时间
        /// </summary>
        public DateTimeOffset? DateTime { get; set; } = null;

        /// <summary>
        /// 对方昵称
        /// </summary>
        public string TargetName { get; set; }
        /// <summary>
        /// 对方头像
        /// </summary>
        public string? TargetAvatar { get; set; }

    }
}