using DotNetty.Buffers;
using DotNetty.Codecs;
using DotNetty.Transport.Channels;
using HybirdFrameworkCore.Utils;
using log4net;
using Service.Car.Common;
using Service.Car.Msg;

namespace Service.Car.Codec;

/// <summary>
///
/// </summary>
public class Encoder : MessageToByteEncoder<BaseMsg>
{
    private static readonly ILog Log = LogManager.GetLogger(typeof(Encoder));

    /// <summary>
    ///
    /// </summary>
    /// <param name="context"></param>
    /// <param name="obj"></param>
    /// <param name="output"></param>
    protected override void Encode(IChannelHandlerContext context, BaseMsg obj, IByteBuffer output)
    {
        byte[] bytes = obj.ToBytes();
        List<byte> list = new List<byte>(bytes);
        list.AddRange(CarConst.EndChar);
        byte[] result = list.ToArray();
        
        Log.Info($"send "+obj.Cmd+" :{BitUtls.BytesToHexStr(result)}: {BitUtls.BytesToHexStr(result)}");
        output.WriteBytes(result);
    }
}