#pragma once

#include <QtCore>
#include <QObject>
#include <QWidget>
#include <QEvent>
#include <QMouseEvent>
#include <QWheelEvent>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QGridLayout>

#include <QtWidgets/QGraphicsView>
//#include <QtWidgets/QDoubleSpinBox>
#include <QtWidgets/QLabel>
#include <QtWidgets/QSlider>

#include "DataModelRegistry.hpp"
#include "NodeDataModel.hpp"
#include "Connection.hpp"

#include "opcv/CvImageData.h"
#include "opcv/CvGraphicsViewWidget.h"

#include <opencv2/opencv.hpp>

using QtNodes::PortType;
using QtNodes::PortIndex;
using QtNodes::NodeData;
using QtNodes::NodeDataType;
using QtNodes::NodeDataModel;
using QtNodes::NodeValidationState;
using QtNodes::Connection;

class CvGraphicsShowModel :public NodeDataModel
{
	Q_OBJECT

public:
	CvGraphicsShowModel();
	virtual ~CvGraphicsShowModel() {}

public:
	QString caption() const override { return QStringLiteral("cvͼÏñGraphicsÏÔʾ"); }
	QString name() const override { return QStringLiteral("cvͼÏñGraphicsÏÔʾ"); }
	virtual QString modelName() const { return QStringLiteral("cvͼÏñGraphicsÏÔʾ"); }

	QWidget* embeddedWidget() override { return widget; }
	//bool resizable() const override { return true; }
	bool resizable() const override { return false; }

	NodeValidationState validationState() const override { return modelValidationState; }
	QString validationMessage() const override { return modelValidationError; }

	unsigned int nPorts(PortType portType) const override;
	NodeDataType dataType(PortType portType, PortIndex portIndex) const override;


public Q_SLOTS:
	void onQSliderValueChanged(int val);

	//void onInputConnectionDeleted();

	void inputConnectionDeleted(QtNodes::Connection const&) override;

protected:
	bool RunTask();
	bool eventFilter(QObject* watched, QEvent* event) override;

public:
	NodeValidationState modelValidationState = NodeValidationState::Warning;
	QString modelValidationError = QStringLiteral("ͼƬÊäÈëδÁ¬½Ó!");

private:
	qreal mScaledNum = 1.0;   //ÊÓ¿ÚËõ·Å±¶Êý

	QSlider* horizontalSlider;
	QWidget* widget;
	CvGraphicsViewWidget* mCvGraphicsView;
	std::shared_ptr<CvImageData> mCvImageData;

public:
	void setInData(std::shared_ptr<NodeData>, int) override;
	std::shared_ptr<NodeData> outData(PortIndex port) override;

};