package com.fzzy.mqtt;

import lombok.extern.slf4j.Slf4j;
import org.eclipse.paho.client.mqttv3.MqttClient;
import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
import org.eclipse.paho.client.mqttv3.MqttException;
import org.eclipse.paho.client.mqttv3.MqttMessage;
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;

@Slf4j
@Service
public class MqttPublishService {


    @Resource
    private MqttProperties mqttProperties;

    private static MqttClient client;


    public void init() throws MqttException {
        //String topic = "/device/hx-weigh-big-01/91511424746940066Y001_91511424746940066Y0010000_002_004_002_001/message/property/report";
        String username = mqttProperties.getUsername();
        String password = mqttProperties.getPassword();
        String clientid = mqttProperties.getClientOutId();
        String broker = mqttProperties.getHost();
        //String content = " { \"headers\":{ \"productId\":\"hx-weigh-big-01\", \"keepOnlineTimeoutSeconds\":600, \"keepOnline\":true, \"deviceName\":\"地磅称重\" }, \"messageType\":\"REPORT_PROPERTY\", \"deviceId\":\"91511424746940066Y001_91511424746940066Y0010000_002_004_002_001\", \"properties\":{ \"weightInfo\":\"{\\\"exceed\\\":false,\\\"grossWeight\\\":3000.0,\\\"netWeight\\\":3000.0,\\\"static\\\":false,\\\"tareWeight\\\":3000.0,\\\"weightUnit\\\":\\\"KG\\\"}\" }, \"timestamp\":1698336020044     }";
        int qos = 0;
        try {
            client = new MqttClient(broker, clientid, new MemoryPersistence());
            // 连接参数
            MqttConnectOptions options = new MqttConnectOptions();
            // 设置用户名和密码
            options.setUserName(username);
            options.setPassword(password.toCharArray());
            options.setConnectionTimeout(60);
            options.setKeepAliveInterval(60);
            // 连接
            client.connect(options);

        } catch (MqttException e) {
            throw new RuntimeException(e);
        }

    }

    public void publishMsg(String topic, String content) {

        // String topic = "/device/hx-weigh-big-01/91511424746940066Y001_91511424746940066Y0010000_002_004_002_001/message/property/report";
        //String content = " { \"headers\":{ \"productId\":\"hx-weigh-big-01\", \"keepOnlineTimeoutSeconds\":600, \"keepOnline\":true, \"deviceName\":\"地磅称重\" }, \"messageType\":\"REPORT_PROPERTY\", \"deviceId\":\"91511424746940066Y001_91511424746940066Y0010000_002_004_002_001\", \"properties\":{ \"weightInfo\":\"{\\\"exceed\\\":false,\\\"grossWeight\\\":3000.0,\\\"netWeight\\\":3000.0,\\\"static\\\":false,\\\"tareWeight\\\":3000.0,\\\"weightUnit\\\":\\\"KG\\\"}\" }, \"timestamp\":1698336020044     }";
        int qos = mqttProperties.getQos();

        try {
            // 创建消息并设置 QoS
            MqttMessage message = new MqttMessage(content.getBytes());
            message.setQos(qos);
            // 发布消息
            client.publish(topic, message);


            log.info("------------Message published-------------");
            log.info("topic: " + topic);
            log.info("message content: " + content);

            // 关闭连接
            //client.disconnect();
            // 关闭客户端
            //client.close();
        } catch (MqttException e) {
            throw new RuntimeException(e);
        }
    }
}