#include "TDengineSubscriber.h"
#include <QDebug>
TDengineSubscriber::TDengineSubscriber() {

}


#define REDISTOPIC "test"

static void fnRedisCallback(const char* topic, const char* data, void* usr){

    TDengineSubscriber* subscriber = static_cast<TDengineSubscriber*>(usr);
    subscriber->enqueue(topic, data);
}

void TDengineSubscriber::enqueue(const QString &key, const QString &val)
{
    emit pubData("tdengine", key, val);
    /*mutex.lock();
    msgQueue.push_back({key, val});
    cond.wakeAll();
    mutex.unlock();*/
}

void TDengineSubscriber::Run()
{
    //subscribe redis topic
    TDengine = new TDengineClient();
    TDengine->start();
    TDengine->subscribe(REDISTOPIC, fnRedisCallback, this);
    start();
}

void TDengineSubscriber::setLoader(QLibrary *)
{

}

void TDengineSubscriber::run(){
    QThread::msleep(1000);
    //redis message emit to onData signal.
    while(!isInterruptionRequested()){
        /*QString usr = "Redis";
        QString key = "key";
        QVariant val = "val";
        Msg msg;
        mutex.lock();
        if(cond.wait(&mutex), 500)
        {
            msg = msgQueue.dequeue();
            emit pubData(usr, msg.key, msg.val);
            qDebug() << __FILE__ << __FUNCTION__;
        }

        mutex.unlock();
        */
        /*if(!key.isEmpty()){
            emit pubData(usr, key, val);

            key.clear();
        }*/

        QThread::msleep(1000);
    }
}


Publisher* instance()
{
    return new TDengineSubscriber();
}

void destroy(Publisher* pInstance)
{
    if( pInstance )
    {
        delete pInstance;
    }
}