using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using DotNetty.Buffers;
using DotNetty.Transport.Channels;

namespace nettyCommunication
{
    public class ClientDemoHandler: ChannelHandlerAdapter
    {
        readonly IByteBuffer initialMessage;
        public static object Message { get; set; }

        public static IChannelHandlerContext CTX { get; set; }
        public ClientDemoHandler()
        {
            MessageUTF8 ms = new MessageUTF8();
            ms.cmd = "R";
            ms.garageID = ClientSettings.GarageID;
            ms.context = "hello wit";
            byte[] byteMessage = JsonByByteToObjectTools.ObjToJsonByte(ms);
            this.initialMessage = Unpooled.Buffer(ClientSettings.Size);
            this.initialMessage.WriteBytes(byteMessage);
        }

        public override void ChannelActive(IChannelHandlerContext context)
        {
            //base.ChannelActive(context);
            CTX = context;
            Console.WriteLine("ChannelActive");
            context.WriteAndFlushAsync(this.initialMessage);
            Console.WriteLine("连接建立，将初始化(注册信息发给服务器)");
        }
        public override void ChannelRead(IChannelHandlerContext context, object message)
        {
            Message = message;
        }


        public override void ChannelReadComplete(IChannelHandlerContext context)
        {
            context.Flush();

        }

        public override void ExceptionCaught(IChannelHandlerContext context, Exception exception)
        {
            Console.WriteLine("Exception:"+exception);
            context.CloseAsync();
        }

    }
    
}