package com.dy.common.mw.protocol4Mqtt;

import com.dy.common.mw.protocol.Command;
import com.dy.common.mw.protocol4Mqtt.pSdV1.ProtocolConstantSdV1;
import com.dy.common.mw.protocol4Mqtt.pSdV1.ProtocolParserSdV1;
import org.eclipse.paho.client.mqttv3.MqttMessage;

/**
 * @Author: liurunyu
 * @Date: 2025/6/5 10:00
 * @Description
 */
public class MqttMsgParser {
    public MqttSubMsg parseSubMsg(String topic, MqttMessage mqttMsg) throws Exception {
        if(topic != null && topic.trim().length() != 0){
            String[] topicGrp = topic.split("/") ;
            if(topicGrp.length != 4){
                throw new Exception("接收的mqtt消息主题不可识别") ;
            }else{
                if(topicGrp[1].equals("sd1")){
                    //山东设备(协议)，且版本号为1
                    return new ProtocolParserSdV1().parseSubMsg(topicGrp[2], topic, mqttMsg);
                }else{
                    throw new Exception("接收的mqtt消息主题中协议（厂家及版本）不可识别") ;
                }
            }
        }else{
            throw new Exception("接收的mqtt消息主题为空") ;
        }
    }

    public MqttPubMsg createPubMsg(String orgTag, Command com) throws Exception {
        if(com.protocol == null && com.protocol.trim().length() != 0){
            throw new Exception("接收到MQTT命令，但未提供协议") ;
        }
        if(com.protocolVersion == null){
            throw new Exception("接收到MQTT命令，但未提供协议版本号") ;
        }
        if(com.code != null && com.code.trim().length() != 0){
            throw new Exception("接收到MQTT命令，但未提供功能码") ;
        }
        if(com.protocol.equals(ProtocolConstantSdV1.protocolName)){
            if(com.protocolVersion.shortValue() == ProtocolConstantSdV1.protocolVer){
                return new ProtocolParserSdV1().createPubMsg(orgTag, com) ;
            }else{
                throw new Exception("接收到MQTT命令，协议" + com.protocol + "版本" + com.protocolVersion + "构造器未实现") ;
            }
        }else{
            throw new Exception("接收到MQTT命令，协议" + com.protocol + "构造器未实现") ;
        }
    }


    public static void main(String[] args) {
        String s = "ym/sd1/10000/control/m1" ;
        String[] ss = s.split("/") ;
        for (String s1 : ss) {
            System.out.println(s1);
        }
    }
}