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package org.yes.tools.mq.rocket;

import lombok.extern.slf4j.Slf4j;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendCallback;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.client.producer.SendStatus;
import org.apache.rocketmq.common.message.Message;
import org.yes.tools.mq.properties.RocketMQProperties;

import java.nio.charset.StandardCharsets;

/**
 * recketMq工具类
 */
@Slf4j
public class RocketMqUtils {

    private static DefaultMQProducer producer = null;
    private static volatile boolean flag = false;

    /**
     * 生产者单例(DCL单例，防止项目中各处发消息都初始化)
     *
     * @return
     */
    public static DefaultMQProducer getProducer(String producerGroup) throws MQClientException {
        if (!flag) {
            synchronized (RocketMqUtils.class) {
                if (!flag) {
                    //初始化生产者
                    producer = new DefaultMQProducer(producerGroup);
                    //关闭VIP通道
                    producer.setVipChannelEnabled(false);
                    //MQ地址
                    producer.setNamesrvAddr(RocketMQProperties.NAMESRV_ADDR);
                    producer.setMaxMessageSize(RocketMQProperties.MAX_MESSAGE_SIZE * 1024 * 1024);
                    //启动
                    try {
                        producer.start();
                        flag = true;
                    } catch (Exception e) {
                        producer = null;
                        log.error("MQ PRODUCER START FAIL：{}", e.getMessage());
                        throw e;
                    }
                }
            }
        }
        return producer;
    }

    /**
     * 格式化消息
     *
     * @param topic
     * @param tag
     * @param msg
     * @return
     */
    public static Message parseMsg(String topic, String tag, String msg) {
        Message message = null;
        try {
            message = new Message(topic, tag, msg.getBytes(StandardCharsets.UTF_8));
        } catch (Exception e) {
            log.error("FORMAT MESSAGE FAILED：{}", e.getMessage());
            throw e;
        }
        return message;
    }

    /**
     * 发送同步消息
     *
     * @param topic
     * @param str
     * @return
     */
    public static boolean sendMQ(String producerGroup, String topic, String str) throws Exception {
        DefaultMQProducer producer = getProducer(producerGroup);
        Message msg = parseMsg(topic, "", str);
        try {
            SendResult sendResult = producer.send(msg);
            return sendResult.getSendStatus().equals(SendStatus.SEND_OK);
        } catch (Exception e) {
            log.error("MESSAGE SENDING FAILED：{}", e.getMessage());
            throw e;
        }
    }

    /**
     * 发送同步消息
     *
     * @param topic
     * @param tag
     * @param str
     * @return
     */
    public static boolean sendMQ(String producerGroup, String topic, String tag, String str) throws Exception {
        DefaultMQProducer producer = getProducer(producerGroup);
        Message msg = parseMsg(topic, tag, str);
        try {
            SendResult sendResult = producer.send(msg);
            return sendResult.getSendStatus().equals(SendStatus.SEND_OK);
        } catch (Exception e) {
            log.error("MESSAGE SENDING FAILED：{}", e.getMessage());
            throw e;
        }
    }

    /**
     * 发送同步延时消息
     *
     * @param topic
     * @param tag
     * @param str
     * @param delayTimeLevel 1=1s 2=5s 3=10s 4=30s 5=1min 6=2min 7=3min 8=4min 9=5min 10=6min 11=7min 12=8min 13=9min 14=10min 15=20min 16=30min 17=1h 18=2h
     * @return
     */
    public static boolean sendMQ(String producerGroup, String topic, String tag, String str, int delayTimeLevel) throws Exception {
        DefaultMQProducer producer = getProducer(producerGroup);
        Message msg = parseMsg(topic, tag, str);
        msg.setDelayTimeLevel(delayTimeLevel);
        try {
            SendResult sendResult = producer.send(msg);
            return sendResult.getSendStatus().equals(SendStatus.SEND_OK);
        } catch (Exception e) {
            log.error("MESSAGE SENDING FAILED：{}", e.getMessage());
            throw e;
        }
    }

    /**
     * 发送异步信息
     *
     * @param topic
     * @param str
     * @param sendCallback
     */
    public static void sendMQ(String producerGroup, String topic, String str, SendCallback sendCallback) throws Exception {
        DefaultMQProducer producer = getProducer(producerGroup);
        Message msg = parseMsg(topic, "", str);
        try {
            producer.send(msg, sendCallback);
        } catch (Exception e) {
            log.error("MESSAGE SENDING FAILED：{}", e.getMessage());
            throw e;
        }
    }

    /**
     * 发送异步信息
     *
     * @param topic
     * @param tag
     * @param str
     * @param sendCallback
     */
    public static void sendMQ(String producerGroup, String topic, String tag, String str, SendCallback sendCallback) throws Exception {
        DefaultMQProducer producer = getProducer(producerGroup);
        Message msg = parseMsg(topic, tag, str);
        try {
            producer.send(msg, sendCallback);
        } catch (Exception e) {
            log.error("MESSAGE SENDING FAILED：{}", e.getMessage());
            throw e;
        }
    }

    /**
     * 发送单向消息
     *
     * @param topic
     * @param tag
     * @param str
     */
    public static void sendOnWayMQ(String producerGroup, String topic, String tag, String str) throws Exception {
        DefaultMQProducer producer = getProducer(producerGroup);
        Message msg = parseMsg(topic, tag, str);
        try {
            producer.sendOneway(msg);
        } catch (Exception e) {
            log.error("MESSAGE SENDING FAILED：{}", e.getMessage());
            throw e;
        }
    }
}