/****************************************************************************
 *
 *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
 *
 * QGroundControl is licensed according to the terms in the file
 * COPYING.md in the root of the source code directory.
 *
 ****************************************************************************/

#ifndef GeoFenceController_H
#define GeoFenceController_H

#include "PlanElementController.h"
#include "GeoFenceManager.h"
#include "QGCMapPolygon.h"
#include "Vehicle.h"
#include "MultiVehicleManager.h"
#include "QGCLoggingCategory.h"

Q_DECLARE_LOGGING_CATEGORY(GeoFenceControllerLog)

class GeoFenceController : public PlanElementController
{
    Q_OBJECT
    
public:
    GeoFenceController(QObject* parent = NULL);
    ~GeoFenceController();
    
    Q_PROPERTY(bool                 fenceSupported          READ fenceSupported                                     NOTIFY fenceSupportedChanged)
    Q_PROPERTY(bool                 circleSupported         READ circleSupported                                    NOTIFY circleSupportedChanged)
    Q_PROPERTY(bool                 polygonSupported        READ polygonSupported                                   NOTIFY polygonSupportedChanged)
    Q_PROPERTY(bool                 breachReturnSupported   READ breachReturnSupported                              NOTIFY breachReturnSupportedChanged)
    Q_PROPERTY(float                circleRadius            READ circleRadius                                       NOTIFY circleRadiusChanged)
    Q_PROPERTY(QGCMapPolygon*       polygon                 READ polygon                                            CONSTANT)
    Q_PROPERTY(QGeoCoordinate       breachReturnPoint       READ breachReturnPoint      WRITE setBreachReturnPoint  NOTIFY breachReturnPointChanged)
    Q_PROPERTY(QVariantList         params                  READ params                                             NOTIFY paramsChanged)
    Q_PROPERTY(QStringList          paramLabels             READ paramLabels                                        NOTIFY paramLabelsChanged)

    void start              (bool editMode) final;
    void loadFromVehicle    (void) final;
    void sendToVehicle      (void) final;
    void loadFromFilePicker (void) final;
    void loadFromFile       (const QString& filename) final;
    void saveToFilePicker   (void) final;
    void saveToFile         (const QString& filename) final;
    void removeAll          (void) final;
    bool syncInProgress     (void) const final;
    bool dirty              (void) const final;
    void setDirty           (bool dirty) final;

    bool                fenceSupported          (void) const;
    bool                circleSupported         (void) const;
    bool                polygonSupported        (void) const;
    bool                breachReturnSupported   (void) const;
    float               circleRadius            (void) const;
    QGCMapPolygon*      polygon                 (void) { return &_polygon; }
    QGeoCoordinate      breachReturnPoint       (void) const { return _breachReturnPoint; }
    QVariantList        params                  (void) const;
    QStringList         paramLabels             (void) const;

public slots:
    void setBreachReturnPoint(const QGeoCoordinate& breachReturnPoint);

signals:
    void fenceSupportedChanged          (bool fenceSupported);
    void circleSupportedChanged         (bool circleSupported);
    void polygonSupportedChanged        (bool polygonSupported);
    void breachReturnSupportedChanged   (bool breachReturnSupported);
    void circleRadiusChanged            (float circleRadius);
    void polygonPathChanged             (const QVariantList& polygonPath);
    void breachReturnPointChanged       (QGeoCoordinate breachReturnPoint);
    void paramsChanged                  (QVariantList params);
    void paramLabelsChanged             (QStringList paramLabels);

private slots:
    void _polygonDirtyChanged(bool dirty);
    void _setDirty(void);
    void _setPolygon(const QList<QGeoCoordinate>& polygon);

private:
    void _clearGeoFence(void);
    void _signalAll(void);

    void _activeVehicleBeingRemoved(Vehicle* vehicle) final;
    void _activeVehicleSet(void) final;

    bool            _dirty;
    QGCMapPolygon   _polygon;
    QGeoCoordinate  _breachReturnPoint;
    QVariantList    _params;
};

#endif