package com.fivegroup.service;

import com.fivegroup.config.MqttChannel;
import com.fivegroup.utils.MqttCallBacks;
import org.eclipse.paho.client.mqttv3.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.stereotype.Service;

import javax.annotation.PostConstruct;

/**
 * 收到mqtt的消息分流给kafka
 *
 * @author ZhangXushuo
 * @version 2023/12/1 - 19:00
 */
@Service
public class ShuntService {
    @Autowired
    MqttCallBacks mqttCallBack;
    @Autowired
    private MqttChannel mqttChannel;

    /**
     * 在这个示例中，我们使用@ServiceActivator注解将handleMessage方法标记为消息处理器。
     * 该方法会在接收到MQTT消息时被调用。通过mqtt_receivedTopic头部可以获取到消息的主题，
     * 通过message.getPayload()可以获取到消息的内容。
     */
    @PostConstruct
    @ServiceActivator(inputChannel = "mqttInputChannel")
    public void mqttAc() {
        // 在这里处理接收到的MQTT消息
        try {
            IMqttClient client = mqttChannel.mqttClient();
            client.connect();
            client.subscribe("five");
            client.setCallback(mqttCallBack);
        } catch (MqttException e) {
            throw new RuntimeException(e);
        }

    }


}