using DotNetty.Buffers;
using DotNetty.Codecs;
using DotNetty.Transport.Channels;
using JSMachine.WMS.Infrastructure.Helper;
using JSMachine.WMS.Netty.NettyAsClient.Command;
using Newtonsoft.Json;
using System;
using System.Text;

namespace JSMachine.WMS.Netty.NettyAsClient.Codec
{
    public class Encoder : MessageToByteEncoder<string>
    {
        private string _encoderWord;

        public Encoder():base() { }

        public Encoder(string encoderWord)
        {
            _encoderWord= encoderWord;
        }
        
        protected override void Encode(IChannelHandlerContext context, string message, IByteBuffer output)
        {
            try
            {
                byte[] body = Encoding.UTF8.GetBytes(message);
                byte[] tail = Encoding.UTF8.GetBytes(_encoderWord);

                output.WriteBytes(body);
                output.WriteBytes(tail);
            }
            catch (Exception ex)
            {
                LogHelper.Error($"TCP编码异常,异常信息 {ex.Message}");
            }
        }
    }
}