/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of the QtPositioning module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL21$
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** Alternatively, this file may be used under the terms of the GNU Lesser
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****************************************************************************/

#ifndef QGEOCOORDINATE_H
#define QGEOCOORDINATE_H

#include <QtCore/QMetaType>
#include <QtCore/QString>
#include <QtCore/QSharedDataPointer>
#include <QtPositioning/qpositioningglobal.h>

QT_BEGIN_NAMESPACE

class QDebug;
class QDataStream;

class QGeoCoordinatePrivate;
class Q_POSITIONING_EXPORT QGeoCoordinate
{
    Q_GADGET

    Q_PROPERTY(double latitude READ latitude WRITE setLatitude)
    Q_PROPERTY(double longitude READ longitude WRITE setLongitude)
    Q_PROPERTY(double altitude READ altitude WRITE setAltitude)
    Q_PROPERTY(bool isValid READ isValid)

public:

    enum CoordinateType {
        InvalidCoordinate,
        Coordinate2D,
        Coordinate3D
    };

    enum CoordinateFormat {
        Degrees,
        DegreesWithHemisphere,
        DegreesMinutes,
        DegreesMinutesWithHemisphere,
        DegreesMinutesSeconds,
        DegreesMinutesSecondsWithHemisphere
    };

    QGeoCoordinate();
    QGeoCoordinate(double latitude, double longitude);
    QGeoCoordinate(double latitude, double longitude, double altitude);
    QGeoCoordinate(const QGeoCoordinate &other);
    ~QGeoCoordinate();

    QGeoCoordinate &operator=(const QGeoCoordinate &other);

    bool operator==(const QGeoCoordinate &other) const;
    inline bool operator!=(const QGeoCoordinate &other) const {
        return !operator==(other);
    }

    bool isValid() const;
    CoordinateType type() const;

    void setLatitude(double latitude);
    double latitude() const;

    void setLongitude(double longitude);
    double longitude() const;

    void setAltitude(double altitude);
    double altitude() const;

    Q_INVOKABLE qreal distanceTo(const QGeoCoordinate &other) const;
    Q_INVOKABLE qreal azimuthTo(const QGeoCoordinate &other) const;

    Q_INVOKABLE QGeoCoordinate atDistanceAndAzimuth(qreal distance, qreal azimuth, qreal distanceUp = 0.0) const;

    Q_INVOKABLE QString toString(CoordinateFormat format = DegreesMinutesSecondsWithHemisphere) const;

private:
    QSharedDataPointer<QGeoCoordinatePrivate> d;

    friend class QGeoCoordinatePrivate;
};

Q_DECLARE_TYPEINFO(QGeoCoordinate, Q_MOVABLE_TYPE);

#ifndef QT_NO_DEBUG_STREAM
Q_POSITIONING_EXPORT QDebug operator<<(QDebug, const QGeoCoordinate &);
#endif

#ifndef QT_NO_DATASTREAM
Q_POSITIONING_EXPORT QDataStream &operator<<(QDataStream &stream, const QGeoCoordinate &coordinate);
Q_POSITIONING_EXPORT QDataStream &operator>>(QDataStream &stream, QGeoCoordinate &coordinate);
#endif

QT_END_NAMESPACE

Q_DECLARE_METATYPE(QGeoCoordinate)

#endif