using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.Serialization.Json;
using System.Text;
using System.Threading.Tasks;
using CsharpHttpHelper;
namespace Chat.Packet
{
   public  class PacketData
    {
        public PacketData() { }

        public PackCMD Cmd { get; set; }
        public string FromUser { get; set; }
        
        public object Data { get; set; }
        public PacketData(PackCMD cmd)
        {
            this.Cmd = cmd;
        }

        public PacketData(PackCMD cmd, object data) : this(cmd)
        {
            this.Data = data;
        }

        private byte[] _body;
        public byte[] EncData(string key)
        {
            if (_body != null) return _body;
            try
            {
                string aes_data = string.Empty;
                var _json = HttpHelper.ObjectToJson(Data);
                if (_json != null)
                {
                    var aes = new AESCryption();
                    aes_data = aes.AesEncrypt(_json, key);
                }
                string need = (int)Cmd + " " + aes_data + "\r\n";
                _body = Encoding.UTF8.GetBytes(need);

            }
            catch (Exception)
            {
            }
            return _body;
        }


  

    }
}