package org.yeshi.utils;

import java.util.ArrayList;
import java.util.List;

import com.qcloud.cmq.*;
import org.springframework.data.annotation.Transient;
import org.springframework.data.redis.core.RedisTemplate;

//腾讯CMQ消息
public class CMQUtil {

    private static CMQUtil cmqUtil;

    public static CMQUtil getInstance(String secretId, String secretKey) {
        if (cmqUtil == null) {
            cmqUtil = new CMQUtil();
            cmqUtil.init(secretId, secretKey);
        }
        return cmqUtil;
    }

    private String secretId = "";
    private String secretKey = "";
    // 内网 http://cmq-queue-gz.api.tencentyun.com
    // 外网 http://cmq-queue-gz.api.qcloud.com
    private static String endpoint = "http://cmq-queue-gz.api.qcloud.com";
    private static String topicEndPoint = "https://cmq-topic-gz.api.qcloud.com";
    // private static String endpoint =
    // "http://cmq-queue-gz.api.tencentyun.com";

    private Account account;
    private Account topicAccount;

    static {
        // if (SystemUtil.getSystemType() == SystemUtil.SYSTEM_LINUX)
        // endpoint = "http://cmq-queue-gz.api.tencentyun.com";
        // else
        endpoint = "http://cmq-queue-gz.api.qcloud.com";
    }

    public void init(String secretId, String secretKey) {
        this.secretId = secretId;
        this.secretKey = secretKey;
        account = new Account(endpoint, this.secretId, this.secretKey);
        topicAccount = new Account(topicEndPoint, this.secretId, this.secretKey);
    }

    public boolean existQueue(String queueName) {

        ArrayList<String> vtQueue = new ArrayList<String>();
        try {
            int totalCount = account.listQueue(queueName, 0, 1, vtQueue);
            if (totalCount <= 0)
                return false;
        } catch (Exception e) {
            e.printStackTrace();
        }
        if (vtQueue.size() > 0 && vtQueue.get(0).equalsIgnoreCase(queueName))
            return true;
        return false;
    }

    private boolean queueNameExist(String queueName) {
        List<String> resultList = new ArrayList<>();
        try {
            account.listQueue(queueName, 0, 100, resultList);
        } catch (Exception e) {
            e.printStackTrace();
        }

        //已经创建了
        if (resultList.contains(queueName)) {
            return true;
        }
        return false;
    }

    // 创建队列
    public boolean createQueue(String queueName) {

        if (queueNameExist(queueName)) {
            return true;
        }

        QueueMeta meta = new QueueMeta();
        meta.pollingWaitSeconds = 10;
        meta.visibilityTimeout = 5 * 60;// 消息可见性超时
        meta.maxMsgSize = 65536;
        meta.msgRetentionSeconds = 345600;
        try {
            account.createQueue(queueName, meta);
            return true;
        } catch (Exception e) {
            return false;
        }
    }

    // 创建队列
    public boolean createQueue(String queueName, int maxMsgSize) {
        if (queueNameExist(queueName)) {
            return true;
        }
        QueueMeta meta = new QueueMeta();
        meta.pollingWaitSeconds = 10;
        meta.visibilityTimeout = 5 * 60;// 消息可见性超时
        meta.maxMsgSize = maxMsgSize;
        meta.msgRetentionSeconds = 345600;
        try {
            account.createQueue(queueName, meta);
            return true;
        } catch (Exception e) {
            return false;
        }
    }

    /**
     * 指定参数创建队列
     *
     * @param queueName
     * @param pollingWaitSeconds -长轮训等待时间
     * @param visibilityTimeout  -消息消费后再次可见的时间
     * @return
     */
    public boolean createQueue(String queueName, int pollingWaitSeconds, int visibilityTimeout) {

        if (queueNameExist(queueName)) {
            return true;
        }

        QueueMeta meta = new QueueMeta();
        meta.pollingWaitSeconds = pollingWaitSeconds;
        meta.visibilityTimeout = visibilityTimeout;// 消息可见性超时
        meta.maxMsgSize = 65536;
        meta.msgRetentionSeconds = 345600;
        try {
            account.createQueue(queueName, meta);
            return true;
        } catch (Exception e) {
            return false;
        }
    }

    // 删除队列
    public boolean deleteQueue(String queueName) {
        try {
            account.deleteQueue(queueName);
            return true;
        } catch (Exception e) {
            return false;
        }
    }

    // 获取队列列表
    public List<String> getQueueNameList(String key) {
        account = new Account(endpoint, this.secretId, this.secretKey);
        ArrayList<String> vtQueue = new ArrayList<String>();
        try {
            int totalCount = account.listQueue(key, 0, 100, vtQueue);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return vtQueue;
    }

    // 获取队列
    public Queue getQueue(String queueName) {
        account = new Account(endpoint, this.secretId, this.secretKey);
        Queue queue = account.getQueue(queueName);
        return queue;
    }

    // 获取队列属性
    public QueueMeta getQueueAtrribute(String queueName) {
        Queue queue = account.getQueue(queueName);
        QueueMeta meta2 = null;
        try {
            meta2 = queue.getQueueAttributes();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return meta2;
    }

    // 发送消息
    public String sendMsg(String queueName, String msg) {
        try {
            Queue queue = getQueue(queueName);
            String msgId = queue.sendMessage(msg);
            return msgId;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    // 消费消息
    public Message recieveMsg(String queueName) {
        try {
            Queue queue = getQueue(queueName);
            Message msg = queue.receiveMessage(10);
            return msg;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 消费消息
     *
     * @param count     1-16
     * @param queueName 队列名字
     * @return
     */
    public List<Message> recieveMsg(int count, String queueName) {
        Queue queue = getQueue(queueName);

        if (queue == null) {
            return null;
        }

        List<Message> msgList = null;
        try {
            msgList = queue.batchReceiveMessage(count, 20);
            return msgList;
        } catch (Exception e) {
            if (e.getMessage() != null && !e.getMessage().contains("no message"))
                e.printStackTrace();
        }
        return null;
    }

    public List<Message> recieveMsg(int count, String queueName, int waitSeconds) {
        Queue queue = getQueue(queueName);
        List<Message> msgList = null;
        try {
            msgList = queue.batchReceiveMessage(count, waitSeconds);
            return msgList;
        } catch (Exception e) {
        }
        return null;
    }

    // 删除消息
    public boolean deleteMsg(String queueName, String receiptHandle) {
        try {
            Queue queue = getQueue(queueName);
            queue.deleteMessage(receiptHandle);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    /**
     * 订阅消息相关
     */


    /**
     * 主题名称是否已经存在
     *
     * @param topicName
     * @return
     */
    private boolean topicNameExist(String topicName) {
        List<String> resultList = new ArrayList<>();
        try {
            account.listTopic(topicName, resultList, 0, 100);
        } catch (Exception e) {
            e.printStackTrace();
        }

        //已经创建了
        if (resultList.contains(topicName)) {
            return true;
        }
        return false;
    }

    /**
     * 创建订阅主题
     *
     * @param topicName-主题名称
     * @param maxMsgSize-消息最大长度
     * @param filterType-过滤类型
     * @return
     */
    public boolean createTopic(String topicName, int maxMsgSize, int filterType) {
        if (topicNameExist(topicName)) {
            return true;
        }
        try {
            topicAccount.createTopic(topicName, maxMsgSize, filterType);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    /**
     * 创建默认参数的主题
     *
     * @param topicName
     * @return
     */
    public boolean createTopic(String topicName) {
        if (topicNameExist(topicName)) {
            return true;
        }
        try {
            topicAccount.createTopic(topicName, 65536);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }


    /**
     * 是否已经订阅
     *
     * @param topicName
     * @param subscriptionName
     * @return
     */
    private boolean isAlreadySubscribe(String topicName, String subscriptionName) throws Exception {
        Topic topic = topicAccount.getTopic(topicName);
        List<String> resultList = new ArrayList<>();
        topic.ListSubscription(0, 100, subscriptionName, resultList);
        if (resultList.contains(subscriptionName)) {
            return true;
        }
        return false;
    }

    /**
     * 订阅主题
     *
     * @param topicName-主题名称
     * @param subscriptionName-订阅名称
     * @param queueName-接受消息的队列名称
     * @return
     */
    public boolean subscribeTopic(String topicName, String subscriptionName, String queueName) {

        try {
            if (isAlreadySubscribe(topicName, subscriptionName)) {
                return true;
            }
        } catch (Exception e) {
        }
        try {
            topicAccount.createSubscribe(topicName, subscriptionName, queueName, "queue");
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    public boolean subscribeTopic(String topicName, String subscriptionName, String queueName, List<String> filterTags) {

        try {
            if (isAlreadySubscribe(topicName, subscriptionName)) {
                return true;
            }
        } catch (Exception e) {
        }
        try {
            topicAccount.createSubscribe(topicName, subscriptionName, queueName, "queue", filterTags, null, "BACKOFF_RETRY", "JSON");
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    /**
     * 删除订阅
     *
     * @param topicName
     * @param subscriptionName
     * @return
     */
    public boolean deleteSubscribeTopic(String topicName, String subscriptionName) {
        try {
            topicAccount.deleteSubscribe(topicName, subscriptionName);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }

        return false;
    }

    /**
     * 发布订阅消息
     *
     * @param topicName
     * @param message
     * @return
     */
    public String publishTopicMessage(String topicName, String message) {
        try {
            Topic topic = topicAccount.getTopic(topicName);
            if (topic == null)
                return null;
            return topic.publishMessage(message);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 发布订阅消息
     *
     * @param topicName
     * @param tagList   -标签
     * @param message
     * @return
     */
    public boolean publishTopicMessage(String topicName, List<String> tagList, String message) {
        try {
            Topic topic = topicAccount.getTopic(topicName);
            if (topic == null)
                return false;
            topic.publishMessage(message, tagList, null);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }


    /**
     * 批量发布消息
     *
     * @param topicName
     * @param msgList
     * @return
     */
    public boolean batchPublishTopicMessage(String topicName, List<String> msgList) {
        try {
            Topic topic = topicAccount.getTopic(topicName);
            if (topic == null)
                return false;
            topic.batchPublishMessage(msgList);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

}