#pragma once
#include "preHeader.h"
#include "IncCamera.h"
#include "VideoStreamCatcher.h"
#include <vector>
#include <list>
#include <cuda_runtime.h>
#include "MfcLabel.h"

#define CAMERAITEM_WIDTH 500
#define CAMERAITEM_HEIGHT 500

class CameraItem;

typedef struct GpuData {
	unsigned char* pData{ nullptr };
	int nWidth;
	int nHeight;
	int nPitch;

	~GpuData()
	{
		if (pData != nullptr)
		{
			cudaFree(pData);
			pData = nullptr;
		}
	}
}GPU_DATA, * LPGPUDATA;

typedef struct TagCameraRowGroup {
	//define a vector to record the 
	std::list<CameraItem> CameraItemGroup;
	//define a vector to record the Row postion offset
	int nRowOffset{0};
	//define a vector to record the Col postion offset
	int nColOffset{0};
	//define a vector to record the Row Camera Index
	int nRowCameraIndex{0};
	//define a vector to record the Row Camera Count
	int nRowCameraCount{0};
	//define a Rect to record the Current Row Available Rect
	MfcLabel::Rect AvailableRect;

	//define a pointer to record the group that intersect with this group
	TagCameraRowGroup* pNextIntersectGroup{ nullptr };

	//define a 2d vector to record the overlap bounding
	std::vector<std::vector<int>> vvGroupOverlapBounding;

	TagCameraRowGroup()
	{
		CameraItemGroup.resize(0);
	}

}TAG_CAM_ROW_GROUP,*LPTAG_CAM_ROW_GROUP;

class CameraItem :public QObject,public QGraphicsItem
{
	Q_OBJECT
public:
	
	//set a constructor
	CameraItem(QGraphicsItem* parent);
	//set a constructor
	CameraItem();
	~CameraItem();

	CameraItem(const CameraItem& other);

	//init the CameraItem with the position
	bool Init(int nIndex,QPointF Pos);

	//boundingrect
	QRectF boundingRect() const;

	void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = nullptr);

	//mouse press event process slots
	void mousePressEvent(QGraphicsSceneMouseEvent* event);
	
	//set a signal to indicate the mouse is pressed
signals:
	void CameraItemPressed(CameraItem* pItem);

public:
	//Current Item position
	QPointF CurrentPos;
	
	//indicate the item is selected or not
	bool bSelected;

	//current item index
	int nItemColIndex;
	//current item row index
	int nItemRowIndex;

	CAMERA_INFO m_CameraInfo;

	//set a VideoStreamCatcher to catch the video stream
	VideoStreamCatcher m_VideoStreamCatcher;

	QRect ImageRect;
	//set attribute to indicate the item is intersect rect 
	//when copy the image to pano image buffer,use this attribute to judge whether need to copy
	//this attribute only indicate the item itself has been overlap apart,not the other item
	//this Intersectrect is in pano  intersect with right
	QRect IntersectRect;
	//this intersectrect is in this coordinate,intersect with left
	QRect PreIntersectRect;

	std::vector<std::vector<int>> m_vvOverlapBounding;

	CameraItem* pIntersectInstance;

	//define a cv::mat to store Current frame
	cv::Mat m_CurrentFrame;

	//设置一个真正的不变的指针，防止保存在工单内的指针失效
	GPU_DATA m_CurrentGpuData;

	//define a bool to indicate the item is active or not
	bool bActive;

	unsigned char* pCurrentFrame{nullptr};

	static bool* pCameraItemModified;

};

Q_DECLARE_METATYPE(CameraItem*);