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#include <QDir>
#include <QPluginLoader>
#include <QDebug>

#include "qsensorgesture.h"
#include "qsensorgesture_p.h"
#include "qsensorgesturemanager.h"

QTM_BEGIN_NAMESPACE

/*!
  \class QSensorGesture
  \ingroup sensorgestures_main
  \inmodule QtSensors

  \brief The QSensorGesture class represents one or more sensor gesture recognizers.


    \sa QSensorGestureRecognizer

   You may use QSensorGestureManager to obtain the systems known sensor gesture ids.

    \sa QSensorGestureManager
  */

/*!
  \fn QSensorGesture::detected(QString gestureId)
  Signals when the \a gestureId gesture has been recognized.
  */

/*!
  Constructs the sensor gesture, and initializes the \a ids list of recognizers,
  with parent \a parent
  */
QSensorGesture::QSensorGesture(const QStringList &ids, QObject *parent) :
    QObject(parent)
{
    qDebug() << Q_FUNC_INFO;

    d_ptr = new QSensorGesturePrivate();
    Q_FOREACH (const QString &id, ids) {
        QSensorGestureRecognizer * rec = QSensorGestureManager::sensorGestureRecognizer(id);
        if (rec != 0) {
            qDebug() << "append" << rec->id();
            d_ptr->m_sensorRecognizers.append(rec);
            d_ptr->availableIds.append(id);
        } else {
            d_ptr->invalidIds.append(id);
            //add to not available things
        }
    }

//    d_ptr->meta = 0;

//    QMetaObjectBuilder builder;
//    builder.setSuperClass(&QObject::staticMetaObject);
//    builder.setClassName("QSensorGesture");

    Q_FOREACH (QSensorGestureRecognizer *recognizer,  d_ptr->m_sensorRecognizers) {
//        Q_FOREACH (const QString &gesture, recognizer->gestureSignals()) {
//            QMetaMethodBuilder b =  builder.addSignal(gesture.toLatin1());
//            if (!d_ptr->localGestureSignals.contains(QLatin1String(b.signature())))
//                d_ptr->localGestureSignals.append(QLatin1String(b.signature()));
//        }
        recognizer->createBackend();
    }
//    d_ptr->meta = builder.toMetaObject();

    if (d_ptr->m_sensorRecognizers.count() > 0) {
        d_ptr->valid = true;
    }
}

/*!
  Destroy the QSensorGesture
  */
QSensorGesture::~QSensorGesture()
{
    stopDetection();
//    if (d_ptr->meta)
//        free(d_ptr->meta);
//    delete d_ptr;
}

/*!
    Returns the gesture recognizer ids that were found.
  */
QStringList QSensorGesture::validIds() const
{
    return d_ptr->availableIds;
}

/*!
   Returns the gesture recognizer ids that were not found.
  */
QStringList QSensorGesture::invalidIds() const
{
    return d_ptr->invalidIds;
}

/*!
  Starts the gesture detection routines in the recognizer.
  */
void QSensorGesture::startDetection()
{
    qDebug() << Q_FUNC_INFO;
    if (d_ptr->m_sensorRecognizers.count() < 1) {
        qDebug() << Q_FUNC_INFO << "count is" << d_ptr->m_sensorRecognizers.count();
        return;
    }
    if (d_ptr->isActive)
        return;

    Q_FOREACH (QSensorGestureRecognizer *recognizer,  d_ptr->m_sensorRecognizers) {

        Q_ASSERT(recognizer !=0);

        connect(recognizer,SIGNAL(detected(QString)),
                this,SIGNAL(detected(QString)),Qt::UniqueConnection);

        //connect recognizer signals
//        Q_FOREACH (QString method, recognizer->gestureSignals()) {
//            method.prepend(QLatin1String("2"));
//            connect(recognizer, method.toLatin1(),
//                    this, method.toLatin1(), Qt::UniqueConnection);
//        }

        recognizer->startBackend();
    }
    d_ptr->isActive = true;
}

/*!
  Stops the gesture detection routines.
  */
void QSensorGesture::stopDetection()
{
    if (d_ptr->m_sensorRecognizers.count() < 1)
        return;

    if (!d_ptr->isActive)
        return;

    Q_FOREACH (QSensorGestureRecognizer *recognizer,  d_ptr->m_sensorRecognizers) {
        disconnect(recognizer,SIGNAL(detected(QString)),
                   this,SIGNAL(detected(QString)));
        //disconnect recognizer signals
//        Q_FOREACH (QString method,recognizer->gestureSignals()) {
//            method.prepend(QLatin1String("2"));
//            disconnect(recognizer, method.toLatin1(),
//                       this, method.toLatin1());
//        }

        recognizer->stopBackend();
    }
    d_ptr->isActive = false;
}

/*!
  Returns all the possible gestures signals that may be emitted.
  */
QStringList QSensorGesture::gestureSignals() const
{
    if (d_ptr->m_sensorRecognizers.count() > 0) {
        return  d_ptr->localGestureSignals;
    }
    return QStringList();
}

/*!
  Returns whether this gesture is active or not.
  */

bool QSensorGesture::isActive()
{
    return d_ptr->isActive;
}

QSensorGesturePrivate::QSensorGesturePrivate(QObject *parent)
    : QObject(parent),isActive(0), valid(0)
{
}

QSensorGesturePrivate::~QSensorGesturePrivate()
{

}

#include "moc_qsensorgesture.cpp"

QTM_END_NAMESPACE