/***************************************************************************
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** This file is part of the examples of the QtBluetooth module of the Qt Toolkit.
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#ifndef HEARTRATE_H
#define HEARTRATE_H

#include <QString>
#include <QObject>
#include <QList>
#include <QtCore/QDebug>
#include <QDateTime>
#include <QVector>
#include <QTimer>
#include "deviceinfo.h"
#include <qbluetoothglobal.h>
#include <qbluetoothlocaldevice.h>
#include <qbluetoothdeviceinfo.h>
#include "qlowenergyserviceinfo.h"
#include "qlowenergycontroller.h"
#include <QBluetoothServiceDiscoveryAgent>
#include <QBluetoothDeviceDiscoveryAgent>

QT_FORWARD_DECLARE_CLASS (QLowEnergyServiceInfo)
QT_FORWARD_DECLARE_CLASS (QLowEnergyCharacteristicInfo)

QT_USE_NAMESPACE
class HeartRate: public QObject
{
    Q_OBJECT
    Q_PROPERTY(QVariant name READ name NOTIFY nameChanged)
    Q_PROPERTY(QString message READ message NOTIFY messageChanged)
    Q_PROPERTY(int hr READ hR NOTIFY hrChanged)
    Q_PROPERTY(int maxHR READ maxHR NOTIFY averageChanged)
    Q_PROPERTY(int minHR READ minHR NOTIFY averageChanged)
    Q_PROPERTY(float average READ average NOTIFY averageChanged)
    Q_PROPERTY(int time READ time NOTIFY timeChanged)
    Q_PROPERTY(float calories READ caloriesCalculation NOTIFY caloriesChanged)

public:
    HeartRate();
    ~HeartRate();
    void setMessage(QString message);
    QString message() const;
    QVariant name();
    int hR() const;
    int time();
    float average();
    int maxHR() const;
    int minHR() const;
    float caloriesCalculation();

public slots:
    void deviceSearch();
    void addDevice(const QBluetoothDeviceInfo&);
    void deviceScanError(QBluetoothDeviceDiscoveryAgent::Error);
    void scanFinished();
    void connectToService(const QString &address);
    void addLowEnergyService(const QLowEnergyServiceInfo&);
    void serviceScanDone();
    void serviceScanError(QBluetoothServiceDiscoveryAgent::Error);
    void serviceConnected(const QLowEnergyServiceInfo &);
    void receiveMeasurement(const QLowEnergyCharacteristicInfo &);
    void errorReceived(const QLowEnergyServiceInfo &, QLowEnergyController::Error);
    void errorReceivedCharacteristic(const QLowEnergyCharacteristicInfo &, QLowEnergyController::Error);
    void serviceDisconnected(const QLowEnergyServiceInfo &);
    void disconnectService();
    void obtainResults();
    void startConnection();
    int measurements(int index);
    int measurementsSize();
    QString deviceAddress();
    int numDevices() const;
    void startDemo();
    void receiveDemo();

Q_SIGNALS:
    void messageChanged();
    void nameChanged();
    void hrChanged();
    void averageChanged();
    void timeChanged();
    void caloriesChanged();

private:
    DeviceInfo m_currentDevice;
    QBluetoothServiceDiscoveryAgent *m_serviceDiscoveryAgent;
    QBluetoothDeviceDiscoveryAgent *m_deviceDiscoveryAgent;
    QLowEnergyCharacteristicInfo m_heartRateCharacteristic;
    QList<QObject*> m_devices;
    QString m_info;
    QLowEnergyServiceInfo m_heartRateService;
    bool foundHeartRateService;
    bool foundHeartRateCharacteristic;
    int m_HRMeasurement;
    QVector<quint8> m_measurements;
    QDateTime m_start;
    QDateTime m_stop;
    int m_max;
    int m_min;
    QVector<QDateTime> m_timestamps;
    float calories;
    QLowEnergyController *m_leInfo;
    QTimer *timer; // for demo application
};

#endif // HEARTRATE_H