#include "ampmanager.h"

AmpManager::AmpManager(Microcontroller *micro, int relayNumber, QAudioDeviceInfo device, QObject *parent) : QObject(parent), _micro(micro), _relayNumber(relayNumber)
{
    QAudioFormat format;
    format.setSampleRate(8000);
    format.setChannelCount(1);
    format.setSampleSize(8);
    format.setCodec("audio/pcm");
    format.setByteOrder(QAudioFormat::LittleEndian);
    format.setSampleType(QAudioFormat::UnSignedInt);

     _audioDevice = new QAudioInput(device/*, format*/);
}

AmpManager::~AmpManager()
{
    abort();
    delete _audioDevice;
}

void AmpManager::run()
{
    abort();
    _ioDevice = _audioDevice->start();
    loop.reset(new QEventLoop);
    QTimer timer;
    connect(&timer, SIGNAL(timeout()), this, SLOT(doTick()));
    timer.setInterval(500);
    timer.start();

    qDebug()<<"Start Auto Amp Manager\n";
    _micro->relayOn(_relayNumber);
    relayState = true;
    loop->exec();
}


void AmpManager::abort()
{
    if (!loop.isNull())loop->quit();
    if(_audioDevice->error() == 0)_audioDevice->stop();
    if(_ioDevice != nullptr)delete _ioDevice;
    qDebug()<<"Stop Auto Amp Manager\n";
}

void AmpManager::doTick()
{
    if(_audioDevice->error() == 0 && _ioDevice != nullptr)
    {
       QByteArray buffer = _ioDevice->readAll();
       for(long i = 0; i < buffer.size(); i++)
       {
           if((uint8_t) buffer.at(i) != 128)
           {
               silenceCount = 0;
           }
       }
       if(silenceCount > 40 && relayState)
       {
            std::cout<<"Auto off Amp\n";
            _micro->relayOff(_relayNumber);
            relayState = false;
       }
       else if(silenceCount == 0 && !relayState)
       {
           std::cout<<"Auto on Amp\n";
           _micro->relayOn(_relayNumber);
           relayState = true;
       }
       silenceCount++;
    }
}