#pragma once

#include <iostream>

#include <QObject>
#include <QWidget>
#include <QLabel>

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

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

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

//class CvImageData;
//class CvImageViewWidget;

class CvImageLoaderModel :public NodeDataModel
{
	Q_OBJECT

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

public:
	QString caption() const override { return QStringLiteral("cv图像输入"); }
	QString name() const override { return QStringLiteral("cv图像输入"); }
	virtual QString modelName() const { return QStringLiteral("cv图像输入"); }

	void setInData(std::shared_ptr<NodeData>, int) override { }
	QWidget* embeddedWidget() override { return mCvImageView; }
	bool resizable() const override { return false; }

	unsigned int nPorts(PortType portType) const override;
	NodeDataType dataType(PortType portType, PortIndex portIndex) const override;
	std::shared_ptr<NodeData> outData(PortIndex port) override;

	QJsonObject save() const override;
	void restore(QJsonObject const&) override;
	void loadImage(QString fileName);

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

private:
	QString imageName;
	CvImageViewWidget* mCvImageView;

	std::shared_ptr<CvImageData> mCvImageData;

};