#ifndef MOUSEPICKER_H
#define MOUSEPICKER_H

#include <QtCore>
#include <QObject>
#include <osg/Geode>
#include <osgGA/GUIEventHandler>

enum PickingMode{
    PointPicker = 0,
    LinePicker = 1,
    AreaPicker = 2,
};

class MousePicker : public QObject, public osgGA::GUIEventHandler
{
    Q_OBJECT
public:
    explicit MousePicker(QObject *parent = nullptr);
    void setRoot(osg::ref_ptr<osg::Group> root = nullptr);
    void activate(PickingMode _mode, osg::Node* model);
    bool handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa );
    void disactivate();
    static osg::ref_ptr<osg::Geometry> createPointGeode(const osg::Vec3 &pos);

signals:
    void editionDone(PickingMode, osg::ref_ptr<osg::Vec3Array>);

private:
    bool isActivated = false;
    bool isDrawing = false;
    PickingMode mode;

    osg::Vec3 pushPnt;
    osg::ref_ptr<osg::Node> model;
    osg::ref_ptr<osg::Group> drawNodeList = new osg::Group;
    osg::ref_ptr<osg::Geode> currentDrawNode = new osg::Geode;
    osg::ref_ptr<osg::Geometry> lineGeometry;
    osg::ref_ptr<osg::Vec3Array> vertexArray;
};


#endif // MOUSEPICKER_H