#ifndef ULIB_VTK_QVIEWPORT_H
#define ULIB_VTK_QVIEWPORT_H

#include <QWidget>
#include <QVTKOpenGLNativeWidget.h>

#include <vtkCornerAnnotation.h>
#include <vtkOrientationMarkerWidget.h>
#include <vtkRenderer.h>
#include <vtkRenderWindow.h>
#include <vtkSmartPointer.h>

#include "uLibVtkInterface.h"

class vtkProp;
class vtk3DWidget;
class vtkRenderWindowInteractor;
class vtkCameraOrientationWidget;

namespace uLib {
namespace Vtk {

/**
 * QViewport is a self-contained Qt widget that embeds a VTK renderer
 * directly into the Qt application (no separate VTK window).
 * Puppets and actors are added to the embedded renderer.
 */
class QViewport : public QWidget {
    Q_OBJECT
public:
    explicit QViewport(QWidget* parent = nullptr);
    virtual ~QViewport();

    // Render scene
    void Render();
    void Reset();
    void ZoomAuto();

    // Puppet / prop management
    void AddPuppet(Puppet &prop);
    void RemovePuppet(Puppet &prop);
    void addProp(vtkProp *prop);
    void RemoveProp(vtkProp *prop);

    // Widget integration
    void AddWidget(vtk3DWidget *widget);

    // Direct access to VTK internals
    vtkRenderer*                GetRenderer()    { return m_Renderer; }
    vtkRenderWindow*            GetRenderWindow();
    vtkRenderWindowInteractor*  GetInteractor();
    vtkCornerAnnotation*        GetAnnotation()  { return m_Annotation; }
    vtkCameraOrientationWidget* GetCameraWidget(){ return m_CameraWidget; }
    QVTKOpenGLNativeWidget*     GetWidget()      { return m_VtkWidget; }

private:
    void SetupPipeline();

    QVTKOpenGLNativeWidget*             m_VtkWidget;
    vtkRenderer*                         m_Renderer;
    vtkCornerAnnotation*                 m_Annotation;
    vtkOrientationMarkerWidget*          m_Marker;
    vtkCameraOrientationWidget*          m_CameraWidget;
};

} // namespace Vtk
} // namespace uLib

#endif // ULIB_VTK_QVIEWPORT_H