package com.zy.acs.gateway.mock;

import com.alibaba.fastjson.JSON;
import com.zy.acs.common.domain.protocol.AGV_12_UP;
import com.zy.acs.common.domain.protocol.IMessageBody;
import com.zy.acs.common.utils.Utils;
import com.zy.acs.framework.common.RadixTools;
import com.zy.acs.gateway.constant.ProtocolType;
import com.zy.acs.gateway.domain.AgvPackage;
import com.zy.acs.gateway.handler.MessageBodyHandler;
import com.zy.acs.gateway.handler.coder.ProtocolDecoder;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.ChannelHandlerContext;

public class ParseProtocolUtils {

    public static void main(String[] args) {
        String protocolMsg = "AA30000F0000003DF06C67124B000000DCFFDDFF358EB043000029BAC0358EB043000000000000000000000000A6FF40020C031909";

        byte[] bytes = RadixTools.hexStringToBytes(protocolMsg);

        ByteBuf buffer = ByteBufAllocator.DEFAULT.buffer(256);

        buffer.writeBytes(bytes);


        ProtocolDecoder protocolDecoder = new ProtocolDecoder(1024);

        AgvPackage pac = AgvPackage.valueOfEmpty();
        pac.setSourceBuff(buffer);

        protocolDecoder.analyzeProtocol(pac);


        Boolean b = msgChannelRead(pac);


        System.out.println(JSON.toJSONString(pac));

        IMessageBody messageBody = pac.getBody().getMessageBody();
        if (messageBody instanceof AGV_12_UP) {
            AGV_12_UP agv_12_up = (AGV_12_UP) messageBody;
            System.out.println(agv_12_up.getQrCode());
        }
    }


    private static Boolean msgChannelRead(AgvPackage pac) {
        String namespace = IMessageBody.class.getPackage().getName();

        ProtocolType protocolType = pac.getHeader().getProtocolType();


        if (null == protocolType) {

            // 未知包
            return Boolean.FALSE;
        }

        String className =  namespace +  ".AGV_" + Utils.zeroFill(Integer.toHexString(protocolType.getCode()).toUpperCase(), 2)
                +"_"

                +  pac.getHeader().getProtocolType().getDirection().toString().toUpperCase();

        Class<?> cls = null;
        try {


            cls  =   Class.forName(className);;

        } catch (ClassNotFoundException e) {


            return Boolean.FALSE;
        }

        Object obj = null;

        if (null != cls) {


            try {
                obj = cls.newInstance();

            } catch (ReflectiveOperationException reflectiveOperationException) {

                // 。。。
                return Boolean.FALSE;
            }


        }

        ByteBuf contentBuf = pac.getBody().getContent();           contentBuf.markReaderIndex();   // sign
        // body.buf 属于切片获取， slice 与 channel中的缓冲区 为同一 refenec



        contentBuf.resetReaderIndex();

        int len= contentBuf.readableBytes();

        byte[] bytes = new byte[len];



        pac.getBody().getContent().readBytes(bytes);



        // 读取字节数组 ===>>     实际报文类型
        IMessageBody iMessageBody = null;

        if (null != obj) {

            if ( obj  instanceof IMessageBody) {

                iMessageBody = (IMessageBody) obj;


                iMessageBody.readFromBytes(bytes);
            }

        }



        pac.getBody().setMessageBody(iMessageBody);     contentBuf.resetReaderIndex();

        return true;
    }

}

// AA 30000F0000001DEE6C67120B0000001200EDFF8340B5420100E76FC28340B542000000000000000000000000A6FF40020C030674