#include "CameraItem.h"
#include "CameraModifyScene.h"
#include "IncCamera.h"

bool* CameraItem::pCameraItemModified = nullptr;

CameraItem::CameraItem(QGraphicsItem* parent)
{
    nItemColIndex = 0;
    pIntersectInstance = NULL;
    bActive = false;
}

CameraItem::CameraItem()
{
    bSelected = false;
    nItemColIndex = 0;
    pCurrentFrame = nullptr;
    bActive = false;

}

CameraItem::~CameraItem()
{
    m_VideoStreamCatcher.Stop();
}

CameraItem::CameraItem(const CameraItem& other)
{
    //set the CurrentPos
	CurrentPos = other.CurrentPos;
	//set the CameraItem is unselected
	bSelected = other.bSelected;
	//set the CameraItem index
	nItemColIndex = other.nItemColIndex;
    //init the intersect rect
    IntersectRect = QRect(0, 0, 0, 0);
    //init the overlap bounding
    m_vvOverlapBounding.clear();

    bActive = other.bActive;
}

bool CameraItem::Init(int nIndex,QPointF Pos)
{
    //set the CurrentPos
	//CurrentPos = Pos;
	//set the CameraItem is unselected
	bSelected = false;
    //set the CameraItem index
    nItemColIndex = nIndex;

    bool bRet = m_VideoStreamCatcher.Init(m_CameraInfo.GetCompleteIpAddress());

    if (bRet)
    {
        m_vvOverlapBounding.resize(m_VideoStreamCatcher.m_nVideoHeight);
        for (int i = 0; i < m_VideoStreamCatcher.m_nVideoHeight; i++)
        {
            m_vvOverlapBounding[i].resize(2);
            m_vvOverlapBounding[i][0] = 0;
            m_vvOverlapBounding[i][1] = m_VideoStreamCatcher.m_nVideoWidth;
        }
    }
    //set the Stream Catcher
    bActive = bRet;

    return bRet;

}

QRectF CameraItem::boundingRect() const
{
    //set a CameraItem rect width is 100, height is 100
    return QRectF(CurrentPos,QSize(CAMERAITEM_WIDTH,CAMERAITEM_HEIGHT));
}

void CameraItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
{
    QPen pen;
    pen.setColor(QColor(255, 0, 0, 255));

    if (bSelected)
    {
		pen.setWidth(15);
	}
    else
    {
		pen.setWidth(8);
	}
    //set a painter to draw the CameraItem
	painter->setPen(pen);
    painter->drawRect(CurrentPos.x(), CurrentPos.y(), CAMERAITEM_WIDTH, CAMERAITEM_HEIGHT);

}

void CameraItem::mousePressEvent(QGraphicsSceneMouseEvent* event)
{
    QGraphicsItem::mousePressEvent(event);
    QPointF Point = event->pos();
    if (!boundingRect().contains(Point))
        return;

    if (bActive)
    {
        //get the scene pointer
        QGraphicsScene* pScene = this->scene();
        //set the all CameraItem is unselected
        QList<QGraphicsItem*> ItemsInScene = pScene->items();

        QPoint CurPoint = event->pos().toPoint();

        for each (auto iter in ItemsInScene)
        {
            QRect testRc = iter->boundingRect().toRect();
            if (iter->boundingRect().contains(CurPoint))
                ((CameraItem*)iter)->bSelected = true;
            else
                ((CameraItem*)iter)->bSelected = false;
        }
        //set the Current CameraItem is selected
        //bSelected = true;

        scene()->update();

        //emit the CameraItemSelected signal
        emit CameraItemPressed(this);
    }
    else
    {
        //create a IncCamera
        IncCamera* pIncCamera = new IncCamera();
        //set the IncCamera block the main thread
        pIncCamera->setWindowModality(Qt::ApplicationModal);
        //Show IncCamera
        pIncCamera->show();
        //block the main thread until the IncCamera close
        while (pIncCamera->isVisible())
        {
            QCoreApplication::processEvents();
        }

        //if the IncCamera is closed by push the cancel button break the function
        if (pIncCamera->GetIsOKBtnClicked() != true)
        {
            return;
        }
        //wait the IncCamera close,get the information from the IncCamera,and push the information to the CameraInfoList
        //m_CameraItemList.push_back(pIncCamera->GetCameraInfo());


        m_CameraInfo = pIncCamera->GetCameraInfo();

        //init the CameraItem
        if (!Init(nItemColIndex, QPointF(0, 0)))
        {
            //if the CameraItem init failed,delete the CameraItem and return
            QString Title = "错误";
            QString Text = "当前输入的链接无法初始化解码器";
            QMessageBox box;
            box.setWindowTitle(Title);
            box.setText(Text);
            box.addButton(QMessageBox::Cancel);
            box.show();
            return;
        }

        bSelected = true;

        //reset the pano buffer
        //ResetPanoImageBuffer();
        *pCameraItemModified = true;


        //emit the signal to the CameraItem bas been selected
        emit ((CameraModifyScene*)scene())->CameraItemSelected(this);

        //open the thread catch stream
        m_VideoStreamCatcher.Start();

        delete pIncCamera;

       // bActive = true;
	}


}