package com.newfiber.termite.service;

import com.alibaba.fastjson2.JSONObject;
import com.newfiber.termite.domain.TermiteMqttData;
import com.newfiber.termite.util.MqttUtils;
import javax.annotation.PostConstruct;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken;
import org.eclipse.paho.client.mqttv3.MqttCallback;
import org.eclipse.paho.client.mqttv3.MqttClient;
import org.eclipse.paho.client.mqttv3.MqttMessage;
import org.springframework.stereotype.Component;

@Slf4j
@Component
public class DataReceiveService {

    String url = "139.155.49.237";
    Integer port = 8383;
    String userName = "termite_huangpi";
    String userPassword = "Huangpi@2024";
    String subscribeTopic = "wulinshuiku/+/antResult";

    @PostConstruct
    public void initMqttConnect(){

        try{
            // 创建Mqtt连接
            MqttClient client = MqttUtils.getClient(parseHost(), userName, userPassword);

            // 订阅消息
            client.subscribe(subscribeTopic, 1);

            // 设置回调函数
            client.setCallback(new TermiteDataReceiveCallback());

            log.info("【数据接收】MQTT订阅成功,订阅主题{},客户端编号{}", subscribeTopic, client.getClientId());
        }catch (Exception e){
            log.info("【数据接收】MQTT订阅失败,订阅主题{}", subscribeTopic);
            e.printStackTrace();
        }

    }

    public String parseHost(){
        return "tcp://".concat(url).concat(":").concat(port.toString());
    }

    static class TermiteDataReceiveCallback implements MqttCallback {

        @Override
        public void connectionLost(Throwable cause) {
            // ignore
        }

        @Override
        public void messageArrived(String topic, MqttMessage mqttMessage){

            String message = new String(mqttMessage.getPayload());

            if(StringUtils.isBlank(message)){
                return;
            }

            log.info("【数据接收】主题[{}]接收到数据：{}", topic, message);
            TermiteMqttData termiteMqttData = JSONObject.parseObject(message, TermiteMqttData.class);

        }

        @Override
        public void deliveryComplete(IMqttDeliveryToken iMqttDeliveryToken) {
            // ignore
        }
    }
}