WimaArea.h

#pragma once

#include "QGCMapPolygon.h"
#include "QGCMapPolyline.h"
#include "Vehicle.h"
#include "qobject.h"
#include "WimaVehicle.h"
#include "WimaArea.h"
#include <QLineF>
#include <QPointF>
#include "QGCGeo.h"
#include <QPair>

#include "GeoUtilities.h"
#include "PolygonCalculus.h"

class WimaArea : public QGCMapPolygon //abstract base class for all WimaAreas
{
    Q_OBJECT
public:
    WimaArea(QObject* parent = nullptr);
    WimaArea(const WimaArea& other, QObject* parent = nullptr);
    WimaArea &operator=(const WimaArea &other);


    Q_PROPERTY(double           maxAltitude             READ maxAltitude                WRITE setMaxAltitude    NOTIFY maxAltitudeChanged)
    Q_PROPERTY(QString          mapVisualQML            READ mapVisualQML                                       CONSTANT)
    Q_PROPERTY(QString          editorQML               READ editorQML                                          CONSTANT)
    Q_PROPERTY(Fact*            borderPolygonOffset     READ borderPolygonOffsetFact                            CONSTANT)
    Q_PROPERTY(QGCMapPolygon*   borderPolygon           READ borderPolygon                                      NOTIFY borderPolygonChanged)
    Q_PROPERTY(Fact*            showBorderPolygon       READ showBorderPolygon                                  CONSTANT)


    //Property accessors
    double          maxAltitude             (void) const    { return _maxAltitude;}
    Fact*           borderPolygonOffsetFact (void)          { return &_borderPolygonOffset;}
    Fact*           showBorderPolygon       (void)          { return &_showBorderPolygon;}
    double          borderPolygonOffset     (void) const    { return _borderPolygonOffset.rawValue().toDouble();}
    QGCMapPolygon*  borderPolygon           (void)          { return &_borderPolygon;}

    // overrides from WimaArea
    virtual QString                 mapVisualQML    (void) const { return ""; }
    virtual QString                 editorQML       (void) const { return ""; }

    // Member Methodes
    int             getClosestVertexIndex   (const QGeoCoordinate& coordinate) const;
    QGeoCoordinate  getClosestVertex        (const QGeoCoordinate& coordinate) const;
    QGCMapPolygon   toQGCPolygon            () const;
    bool            join                    (WimaArea &area);
    bool            join                    (WimaArea &area, QString &errorString);
    int             nextVertexIndex         (int index) const;
    int             previousVertexIndex     (int index) const;


    void saveToJson     (QJsonObject& jsonObject);
    bool loadFromJson   (const QJsonObject &jsonObject, QString& errorString);

    // static Methodes
    static QGCMapPolygon    toQGCPolygon        (const WimaArea& area);
    static bool             join                (const WimaArea &area1, const WimaArea &area2, WimaArea& joinedArea, QString &errorString);
    static bool             join                (const WimaArea &area1, const WimaArea &area2, WimaArea& joinedArea);
           bool             isSimplePolygon   ();

    // Friends
    friend void print(const WimaArea& area, QString& outputString);
    friend void print(const WimaArea& area);

    // static Members
    // Accurracy used to compute isDisjunct
    static const double epsilonMeter;
    static const char*  maxAltitudeName;
    static const char*  wimaAreaName;
    static const char*  areaTypeName;    
    static const char*  borderPolygonOffsetName;
    static const char*  settingsGroup;

signals:
    void    maxAltitudeChanged      (void);
    void    borderPolygonChanged           (void);
    void    borderPolygonOffsetChanged     (void);

public slots:
    void setMaxAltitude         (double altitude);
    void setShowBorderPolygon   (bool showBorderPolygon);
    void setBorderPolygonOffset (double offset);

private slots:
    void recalcPolygons   (void);

private:
    void init();

    double                          _maxAltitude;

    QMap<QString, FactMetaData*>    _metaDataMap;
    SettingsFact                    _borderPolygonOffset;
    SettingsFact                    _showBorderPolygon;

    QGCMapPolygon                   _borderPolygon;
};