#include "EnergySaver.h"

#include <QDebug>
#include <QProcess>
#include <iostream>

void EnergySaver::init(int interval)
{
    EnergySaver* saver = instance();
    saver->initTimer(interval*1000);
    saver->restartTimer();
}



EnergySaver *EnergySaver::instance()
{
    static EnergySaver* inst;
    if (inst == nullptr)
    {
        inst = new EnergySaver();
    }
    return inst;
}

void EnergySaver::restartTimer()
{
    if(mTimer.isActive()){
        mTimer.stop();
    }
    mTimer.start();
}


void EnergySaver::initTimer(int interval)
{
    connect(&mTimer, &QTimer::timeout, this, &EnergySaver::onTimeout);
    mTimer.setInterval(interval);
    mTimer.setSingleShot(true);
}


void EnergySaver::onTimeout()
{
    std::cout << "Shutting down.";
#ifndef _DEBUG
    QProcess p;
    p.start("/usr/local/sbin/do_shutdown.sh");
    p.waitForFinished();
#endif
}