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#include "maemo6als.h"

char const * const maemo6als::id("maemo6.als");

bool maemo6als::m_initDone = false;

maemo6als::maemo6als(QSensor *sensor)

    : maemo6sensorbase(sensor)

{

    const QString sensorName = "alssensor";

    initSensor<ALSSensorChannelInterface>(sensorName, m_initDone);

    if (m_sensorInterface){

        if (!(QObject::connect(m_sensorInterface, SIGNAL(ALSChanged(const Unsigned&)),

                               this, SLOT(slotDataAvailable(const Unsigned&)))))

            qWarning() << "Unable to connect "<< sensorName;

    }

    else

        qWarning() << "Unable to initialize "<<sensorName;

    setReading<QAmbientLightReading>(&m_reading);

    // metadata

    addOutputRange(0, 5, 1);

}

void maemo6als::slotDataAvailable(const Unsigned& data)

{

    // Convert from integer to fixed levels

    // TODO: verify levels

    QAmbientLightReading::LightLevel level;

    int x = data.x();

    if (x < 0) {

        level = QAmbientLightReading::Undefined;

    } else if (x < 10) {

        level = QAmbientLightReading::Dark;

    } else if (x < 50) {

        level = QAmbientLightReading::Twilight;

    } else if (x < 100) {

        level = QAmbientLightReading::Light;

    } else if (x < 150) {

        level = QAmbientLightReading::Bright;

    } else {

        level = QAmbientLightReading::Sunny;

    }

    if (level != m_reading.lightLevel()) {

        m_reading.setLightLevel(level);

        m_reading.setTimestamp(data.UnsignedData().timestamp_);

        newReadingAvailable();

    }

}