#pragma once

#include <QObject>

#include <osgGA/TrackballManipulator>

//#include "viewer/CameraManipulator.h"

class OsgSceneManipulator;

class OsgCameraManipulator : public QObject {
public:
    explicit OsgCameraManipulator(osgGA::CameraManipulator* manipulator, QObject* parent = nullptr) noexcept;
    ~OsgCameraManipulator() override;

    void Initialize(void);
    void Uninitialize(void);
    void SetHomePosition(const osg::Vec3& eye, const osg::Vec3& center, const osg::Vec3& up);
    //void TrackNode(osg::Node* node);
    //void SetEventHandle(Core::IEventHandle* pEventHandle);
    //Core::IEventHandle* GetEventHandle() const;
    osgGA::CameraManipulator* GetManipulator(void) const;



protected:

private:
    osg::ref_ptr<osgGA::CameraManipulator> sceneManip_;
    bool initialized_{ false };
};

class OsgSceneManipulator : public osgGA::TrackballManipulator {
public:
    OsgSceneManipulator(void);
    void setByMatrix(const osg::Matrixd& matrix) override;
    void setByInverseMatrix(const osg::Matrixd& matrix) override;
    osg::Matrixd getMatrix() const override;
    osg::Matrixd getInverseMatrix() const override;

    //void SetEventHandle(Core::IEventHandle* pEventHandle);
    //Core::IEventHandle* GetEventHandle() const;
    void SetSceneManipulator(OsgCameraManipulator* sceneManipulator) {
        sceneManipulator_ = sceneManipulator;
    }

protected:
    ~OsgSceneManipulator() override;
    bool performMovementLeftMouseButton(const double eventTimeDelta,
        const double dx, const double dy) override;
    bool handleKeyDown(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us) override;
    bool handleKeyUp(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us) override;
    bool handleMousePush(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us) override;
    bool handleMouseRelease(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us) override;

protected:
    //Core::SharePtr<Scenes::EventHandle> m_pEventHandle;
    OsgCameraManipulator* sceneManipulator_{ nullptr };
};