#ifndef BACKPLOTWIDGET_H
#define BACKPLOTWIDGET_H

#include <QWidget>

#include <Qt3DExtras/qtorusmesh.h>
#include <Qt3DRender/qmesh.h>
#include <Qt3DRender/qtechnique.h>
#include <Qt3DRender/qmaterial.h>
#include <Qt3DRender/qeffect.h>
#include <Qt3DRender/qtexture.h>
#include <Qt3DRender/qrenderpass.h>
#include <Qt3DRender/qsceneloader.h>

#include <Qt3DCore/qtransform.h>
#include <Qt3DCore/qaspectengine.h>

#include <Qt3DRender/qrenderaspect.h>
#include <Qt3DExtras/qforwardrenderer.h>

#include <Qt3DExtras/qt3dwindow.h>
#include <QHBoxLayout>
#include <QPhongMaterial>

#include "orbitcameracontroller.h"

class BackPlotWidget : public QWidget
{
	Q_OBJECT

	Qt3DExtras::Qt3DWindow view;
	OrbitCameraController *camController;
	Qt3DCore::QEntity* rootEntity = nullptr;
	Qt3DExtras::QPhongMaterial* axisMaterial;
	Qt3DExtras::QPhongMaterial* rapidMaterial;
	Qt3DExtras::QPhongMaterial* pathMaterial;
	QWidget *containerWdiget;

	Qt3DCore::QEntity* toolEntity;
	Qt3DCore::QTransform *toolTransform;
	std::vector<Qt3DCore::QEntity*> pathEntitys;

	Qt3DCore::QTransform *touchoffTransform;

	QVector3D limits;
	QVector3D touchoffPosition;

	QHBoxLayout hLayout;

	static constexpr int NO_FIELD = std::numeric_limits<int>::min();

public:

	typedef int ViewPos;
	static constexpr ViewPos VIEW_TOP = 0;
	static constexpr ViewPos VIEW_FRONT = 1;
	static constexpr ViewPos VIEW_LEFT = 2;
	static constexpr ViewPos VIEW_RIGHT = 3;

private:

	static void drawBox(const QVector3D& bottomCloseLeft, const QVector3D& topFarRight, Qt3DRender::QMaterial* material, Qt3DCore::QEntity* parent);
	static void drawLine(const QVector3D& start, const QVector3D& end, Qt3DRender::QMaterial* material, Qt3DCore::QEntity* parent);
	static QList<int> getFields(QByteArray command);
	QByteArray removeComments(const QByteArray& program);

	void reset();

protected:
	virtual void resizeEvent(QResizeEvent *event) override;

public slots:
	void positionUpdate(std::vector<int> position);
	void touchoffUpdate(std::vector<int> position);
	void programChanged(const QByteArray program);
	void showView(ViewPos view);

public:
	explicit BackPlotWidget(QWidget *parent = nullptr, double xLimits = 190, double yLimits = 92, double zLimits = 85);

signals:

};

#endif // BACKPLOTWIDGET_H