#ifndef MAPVIEW3D_H
#define MAPVIEW3D_H

#include "../../fixC11.h"

#include <QtWidgets>
#include <QtOpenGL>

#include <Indoor/geo/Point3.h>

class MapModel;
class GridModel;
class GridRenderer;
class NavMeshRenderer;
class NavMeshModel;
class FloorplanRenderer;
class FloorplanRendererModel;

class MapView3D : public QOpenGLWidget {

	Q_OBJECT

	bool usePerspectiveProjection = false;
	bool useWireframe = false;

public:

	MapView3D(QWidget* parent = 0);

	/** set the underlying data-model */
	void setModel(MapModel* mdl) {
		this->model = mdl;
		update();
	}

	/** redraw on layer change */
	void layerChange();


	/** get the underlying data-model */
	MapModel* getModel() {return model;}


	/** get the renderer to use for the floorplan */
	FloorplanRenderer* getFloorplanRenderer() {return floorplanRenderer;}

	/** get the renderer to use for the grid */
	GridRenderer* getGridRenderer() {return gridRenderer;}

	/** get the renderer to use for the NavMesh */
	NavMeshRenderer* getNavMeshRenderer() {return navMeshRenderer;}


//	/** show 3D rendered floorplan */
//	void showFloorplan();

//	/** show 3D rendered grid derived from the floorplan */
//	void showGrid();

//	/** show 3D rendered NavMesh derived from the floorplan */
//	void showNavMesh();

	/** show 3D rendered floorplan */
	void setShowFloorplan(bool show);

	/** show 3D rendered grid derived from the floorplan */
	void setShowGrid(bool show);

	/** show 3D rendered NavMesh derived from the floorplan */
	void setShowNavMesh(bool show);

private:

	/** the underlying data-model */
	MapModel* model = nullptr;

	FloorplanRenderer* floorplanRenderer = nullptr;
	FloorplanRendererModel* floorplanRendererModel = nullptr;

	GridModel* gridModel = nullptr;
	GridRenderer* gridRenderer = nullptr;

	NavMeshModel* navMeshModel = nullptr;
	NavMeshRenderer* navMeshRenderer = nullptr;

	bool showFloorplan = true;
	bool showGrid = false;
	bool showNavMesh = false;

	Point3 rot;
	Point3 center;
	Point3 scale;

	struct Mouse {
		int btn;
		float x;
		float y;
	} mouse;

	struct Viewport {
		Point2 size;
	} viewport;



protected:

	void initializeGL();
	void paintGL();
	void resizeGL(int width, int height);

	void mousePressEvent(QMouseEvent* e);
	void mouseMoveEvent(QMouseEvent* e);
	void mouseReleaseEvent(QMouseEvent* e);
	void wheelEvent(QWheelEvent* e);

	// android
	bool event(QEvent *e) override;
	bool gestureEvent(QGestureEvent* event);
	void pinchTriggered(QPinchGesture* gesture);
	void panTriggered(QPanGesture* gesture);

private:

	void moveXY(float dx, float dy);

signals:

	void onShow3DFloorplan(bool show);
	void onShow3DGrid(bool show);
	void onShow3DNavMesh(bool show);

private:
	void draw();

};

#endif // MAPVIEW3D_H