#include "MusicController.h"

#include <QDebug>
#include <models/MusicModel.h>
#include <VLCQtCore/MediaPlayer.h>
#include "EnergySaver.h"

MusicController::MusicController(QObject *parent) : QObject(parent)
{
    mVlc = new VlcInstance(VlcCommon::args(), this);
    mModel = new MusicModel(mVlc, this);
    mPlayer = new VlcMediaListPlayer(mVlc);
    mVlcAudio = new VlcAudio(mPlayer->mediaPlayer());

    connect(mModel, &MusicModel::navigateTo, this, &MusicController::onNavigationRequest);

    //connect(mModel, &MusicModel::play, mPlayer, &VlcMediaListPlayer::play);
    connect(mModel, &MusicModel::play, [this](){
        mVlcAudio->setVolume(mModel->getAudioVolume());
        mPlayer->play();
    });
    connect(mModel, &MusicModel::stop, mPlayer, &VlcMediaListPlayer::stop);
    connect(mModel, &MusicModel::previous, mPlayer, &VlcMediaListPlayer::previous);
    connect(mModel, &MusicModel::next, mPlayer, &VlcMediaListPlayer::next);
    connect(mModel, &MusicModel::pause, mPlayer->mediaPlayer(), &VlcMediaPlayer::pause);
    connect(mModel, &MusicModel::audioVolumeChanged, mVlcAudio, &VlcAudio::setVolume);

    connect(mPlayer, SIGNAL(nextItemSet(VlcMedia*)), mModel, SLOT(onNextMediaSet(VlcMedia*)));
    connect(mPlayer->mediaPlayer(), &VlcMediaPlayer::lengthChanged, mModel, &MusicModel::onLengthChanged);
    connect(mPlayer->mediaPlayer(), &VlcMediaPlayer::timeChanged, mModel, &MusicModel::onTimeChanged);

    // hand over player signals to energy saver in order to determine player activity.
    connect(mPlayer->mediaPlayer(), &VlcMediaPlayer::timeChanged, EnergySaver::instance(), &EnergySaver::restartTimer);
}

MusicController::~MusicController()
{
    mPlayer->deleteLater();
    mVlcAudio->deleteLater();
}

void MusicController::initPlayer(NavigationItemModel *item)
{
    if(item != mModel->getCurrentItem()){
        mPlayer->stop();
        mModel->init(item);
    }
    if(!mIsMediaListSet){
        mPlayer->setMediaList(mModel->getMedia());
        mIsMediaListSet = true;
    }
}

void MusicController::setContext(QQmlContext *context)
{
    mContext = context;
    setContextProperties();
}

void MusicController::setContextProperties()
{
    if(!mContext) return;
    mContext->setContextProperty("musicModel", mModel);
}

void MusicController::onNavigationRequest(NavigationItemModel *item)
{
    if(mModel->isPlaying()) {
        mModel->playPause();
    }
    emit navigateTo(item);
}