package org.yzh;

import io.github.yezhihao.protostar.util.Explain;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufUtil;
import io.netty.buffer.Unpooled;
import org.yzh.protocol.JT808Beans;
import org.yzh.protocol.basics.JTMessage;
import org.yzh.protocol.codec.JTMessageAdapter;

/**
 * 解码分析
 * @author yezhihao
 * https://gitee.com/yezhihao/jt808-server
 */
public class Elucidator extends JT808Beans {

    public static final JTMessageAdapter coder = new JTMessageAdapter("org.yzh.protocol");

    public static void main(String[] args) {
        String hex = "020000d40123456789017fff000004000000080006eeb6ad02633df7013800030063200707192359642f000000400101020a0a02010a1e00640001b2070003640e200707192359000100000061646173200827111111010101652f000000410202020a0000000a1e00c8000516150006c81c20070719235900020000000064736d200827111111020202662900000042031e012c00087a23000a2c2a200707192359000300000074706d732008271111110303030067290000004304041e0190000bde31000d90382007071923590004000000006273642008271111110404049d";
        JTMessage msg = H2019(T0200JSATL12());

        msg = decode(hex);
        hex = encode(msg);
    }

    private static String encode(JTMessage message) {
        System.out.println("====================================================================================\n");
        Explain explain = new Explain();
        ByteBuf buf = null;
        try {
            buf = coder.encode(message, explain);
        } catch (Exception e) {
            e.printStackTrace();
        }
        String hex = ByteBufUtil.hexDump(buf);
        System.out.println(message);
        System.out.println(hex);
        explain.println();
        return hex;
    }

    private static JTMessage decode(String hex) {
        System.out.println("====================================================================================\n");
        Explain explain = new Explain();
        JTMessage message = null;
        try {
            message = coder.decode(Unpooled.wrappedBuffer(ByteBufUtil.decodeHexDump(hex)), explain);
        } catch (Exception e) {
            e.printStackTrace();
        }
        System.out.println(message);
        System.out.println(hex);
        explain.println();
        return message;
    }
}