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#include "sensortagdataprovider.h"

#include <QtCore/QtMath>
#include <QLoggingCategory>

Q_DECLARE_LOGGING_CATEGORY(boot2QtDemos)

#define DEFAULT_REFRESH_INTERVAL_MS 1000

/*
    Constants used in hypsometric formula

    h = (AIR_PRESSURE_P0 / p) ^ PRESSURE_EXPONENT - 1) * (T + ZERO_TEMP)
        ---------------------------------------------------------------
                                DIVIDER
*/
#define AIR_PRESSURE_P0     1013.25         // in hPa
#define ZERO_TEMP           273.15          // in Kelvin
#define PRESSURE_EXPONENT   (1 / 5.257)
#define DIVIDER             0.0065

SensorTagDataProvider::SensorTagDataProvider(QObject *parent)
    : QObject(parent)
    , pressureAtZeroAltitude(AIR_PRESSURE_P0)
{
}

SensorTagDataProvider::SensorTagDataProvider(QString id, QObject *parent)
    : QObject(parent)
    , humidity(0)
    , irAmbientTemperature(0)
    , irObjectTemperature(0)
    , lightIntensityLux(0)
    , barometerCelsiusTemperature(0)
    , barometerTemperatureAverage(25)
    , barometerHPa(0)
    , gyroscopeX_degPerSec(0)
    , gyroscopeY_degPerSec(0)
    , gyroscopeZ_degPerSec(0)
    , accelometerX(0)
    , accelometerY(0)
    , accelometerZ(0)
    /* Object is not "walking in the air" so have one axis at 1G */
    , magnetometerMicroT_xAxis(-1)
    , magnetometerMicroT_yAxis(0)
    , magnetometerMicroT_zAxis(0)
    , rotation_x(0)
    , rotation_y(0)
    , rotation_z(0)
    , intervalRotation(DEFAULT_REFRESH_INTERVAL_MS)
    , altitude(0)
    , m_tagType(AmbientTemperature | ObjectTemperature | Humidity | AirPressure | Light | Magnetometer | Rotation | Accelometer | Altitude)
    , m_id(id)
    , m_state(NotFound)
{
}

QString SensorTagDataProvider::getRelativeHumidityString() const
{
    return QString::number(humidity) + QLatin1String("%");
}

double SensorTagDataProvider::getRelativeHumidity() const
{
    return humidity;
}

double SensorTagDataProvider::getInfraredAmbientTemperature() const
{
    return irAmbientTemperature;
}

double SensorTagDataProvider::getInfraredObjectTemperature() const
{
    return irObjectTemperature;
}

QString SensorTagDataProvider::getLightIntensityLuxString() const
{
    return QString::number(lightIntensityLux) + QLatin1String(" Lux");
}

double SensorTagDataProvider::getLightIntensityLux() const
{
    return lightIntensityLux;
}

double SensorTagDataProvider::getBarometerCelsiusTemperature() const
{
    return barometerCelsiusTemperature;
}

QString SensorTagDataProvider::getBarometerCelsiusTemperatureString() const
{
    return QString::number(barometerCelsiusTemperature) + QString("\u00B0C");
}

double SensorTagDataProvider::getBarometerTemperatureAverage() const
{
    return barometerTemperatureAverage;
}

QString SensorTagDataProvider::getBarometer_hPaString() const
{
    return QString::number(barometerHPa) + QLatin1String(" hPa");
}

double SensorTagDataProvider::getBarometer_hPa() const
{
    return barometerHPa;
}

float SensorTagDataProvider::getGyroscopeX_degPerSec() const
{
    return gyroscopeX_degPerSec;
}

float SensorTagDataProvider::getGyroscopeY_degPerSec() const
{
    return gyroscopeY_degPerSec;
}

float SensorTagDataProvider::getGyroscopeZ_degPerSec() const
{
    return gyroscopeZ_degPerSec;
}

float SensorTagDataProvider::getAccelometer_xAxis() const
{
    return accelometerX;
}

float SensorTagDataProvider::getAccelometer_yAxis() const
{
    return accelometerY;
}

float SensorTagDataProvider::getAccelometer_zAxis() const
{
    return accelometerZ;
}

float SensorTagDataProvider::getMagnetometerMicroT_xAxis() const
{
    return magnetometerMicroT_xAxis;
}

float SensorTagDataProvider::getMagnetometerMicroT_yAxis() const
{
    return magnetometerMicroT_yAxis;
}

float SensorTagDataProvider::getMagnetometerMicroT_zAxis() const
{
    return magnetometerMicroT_zAxis;
}

float SensorTagDataProvider::getRotationX() const
{
    return rotation_x;
}

float SensorTagDataProvider::getRotationY() const
{
    return rotation_y;
}

float SensorTagDataProvider::getRotationZ() const
{
    return rotation_z;
}

int SensorTagDataProvider::getRotationUpdateInterval() const
{
    return intervalRotation;
}

float SensorTagDataProvider::getAltitude() const
{
    return altitude;
}

int SensorTagDataProvider::tagType() const
{
    return m_tagType;
}

void SensorTagDataProvider::setTagType(int tagType)
{
    m_tagType = tagType;
}

QString SensorTagDataProvider::id() const
{
    return m_id;
}

SensorTagDataProvider::ProviderState SensorTagDataProvider::state() const
{
    return m_state;
}

void SensorTagDataProvider::setState(SensorTagDataProvider::ProviderState state)
{
    if (state != m_state) {
        m_state = state;
        emit stateChanged();
    }
}

void SensorTagDataProvider::reset()
{
    qCDebug(boot2QtDemos) << "Attempt to reset sensortag that doesn't have reset functionality implemented!";
}

void SensorTagDataProvider::recalibrate()
{
    reset();
}

void SensorTagDataProvider::calculateZeroAltitude()
{
    float newAltitude = (pow(pressureAtZeroAltitude
                            / barometerHPa, PRESSURE_EXPONENT) - 1)
                            * (barometerCelsiusTemperature + ZERO_TEMP) / DIVIDER;
    if (newAltitude != altitude) {
        altitude = newAltitude;
        emit altitudeChanged();
    }
}