package com.doumee.core.mqtt.service;

import com.doumee.core.mqtt.config.MqttClientInit;
import com.doumee.core.mqtt.config.MqttConfig;
import org.eclipse.paho.client.mqttv3.MqttMessage;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.annotation.PostConstruct;

@Service
public class MqttToolService {
    @Autowired
    private MqttConfig config;
    @Autowired
    private MqttPushCallback callBack ;
    /**
     * 订阅消息，启动加载一次
     * @param topics
     */
    public void subscribe(String[]  topics) {
        try {
            //订阅消息
            int[] Qos = new int[topics.length];//0：最多一次 、1：最少一次 、2：只有一次
            for (int i = 0; i < Qos.length; i++) {
                Qos[i] = 1;
                /*if(i ==2){
                    Qos[i] = 2;
                }else{
                    Qos[i] = 1;
                }*/
            }
            MqttClientInit.getSubInstance(config,callBack).subscribe(topics, Qos);
            MqttClientInit.isNeedReSub = false;
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    /**
     * 消息发送
     * @param message
     * @param topic
     */
    public  int pubMessage(String message,String topic){
        MqttMessage mess = new MqttMessage();
        mess.setQos(1);
        mess.setRetained(false);
        mess.setPayload(message.getBytes());
        try {
            MqttClientInit.getInstance(config).publish(topic, mess);
            return  0;
        } catch (Exception e) {
            //LOGGER.error(e.getLocalizedMessage());
        }
        return 1;
    }
    public static void main(String[] args) {
        MqttToolService client1 = new MqttToolService();
        client1.pubMessage("你好啊","test");
    }

}