#include <appCore.hpp>
#include <QGraphicsRectItem>
#include <QTimer>
#include <QWidget>
#include <QVBoxLayout>
#include <QLabel>
#include <QGraphicsView>
#include <QGraphicsScene>
#include <QGraphicsPixmapItem>
#include <qevent.h>
#include <qscrollbar.h>
#include <qmutex.h>
class FlashingRectItem : public QObject, public QGraphicsRectItem
{
    Q_OBJECT

public:
    FlashingRectItem(qreal x, qreal y, qreal widthIn, qreal heightIn, QGraphicsItem* parent = nullptr)
        : QGraphicsRectItem(x, y, widthIn, heightIn, parent)
    {
        width = widthIn;
        height = heightIn;
        timer = new QTimer(this);

        connect(timer, &QTimer::timeout, this, &FlashingRectItem::toggleVisibility);
    }
    void setYellowBord()
    {
        setBorder(Qt::yellow, 20);
    }
    void setRedBord()
    {
        setBorder(Qt::red, 20);
    }
    void setGreenBord()
    {
        setBorder(Qt::green, 20);
    }
    void disableToggleVisibility()
    {
        timer->stop();
    }
    void enableToggleVisibility()
    {
        timer->start(500); // 每500毫秒切换一次可见性
    }
public slots: 
    void toggleVisibility()
    {
        setVisible(!isVisible());
    }

private:
    QTimer* timer;
    int width = 0, height = 0;
    void setBorder(const QColor& color, int thickness)
    {
        QPen pen;
        pen.setWidth(thickness);           // 设置边框厚度
        pen.setColor(color);     // 设置边框颜色
        setPen(pen);
    }
    void setFillColor(const QColor& color)
    {
        setBrush(QBrush(color));
    }
};
class uiModuleLocationMap :
    public QGraphicsView
{
    Q_OBJECT
public:
    QGraphicsScene* scene;
    uiModuleLocationMap()
    {
        //scene = new QGraphicsScene();
        //this->setScene(scene);
        mutex.lock();

        this->setFixedHeight(320);
        setDragMode(QGraphicsView::DragMode::NoDrag);
        setInteractive(false);
        setEnabled(false);  
        scene = new QGraphicsScene();
        this->setScene(scene);
        this->setObjectName("SonGraphicsView");
        this->setStyleSheet("QGraphicsView#SonGraphicsView {"
            "background: transparent;"
            "background-image: url(:/topBar/icon/waitting.png);"
            "background-repeat: no-repeat;"
            "background-position: center center;"
            "}");
        mutex.unlock();
        refreshToCurrentProduct();
        resetToDefault();
    }
    void setImg(QPixmap pixmap)
    {
        showImg(pixmap);
        scale(0.6, 0.6);
    }
    void resetImage()
    {
        scene->clear();
        setEnabled(false);
    }
    void refreshToCurrentProduct()
    {
        auto cData = _core._appConfig._switchProductWidgetDataPtr.getCurrentProductData();
        QPixmap pixmap(QString::fromStdString(cData.imgPosPath));
        setImg(pixmap);
        loadSignRects(cData.productSign);
    }
    void loadSignRects(std::unordered_map<int, productSignStruct>&rects)
    {
        flashItems.clear();
        for (auto& data : rects)
        {
            FlashingRectItem* _FlashingRectItem = new FlashingRectItem(0,0, data.second.posRect.width, data.second.posRect.height);
            //_FlashingRectItem->enableToggleVisibility();
            _FlashingRectItem->disableToggleVisibility();
            _FlashingRectItem->setVisible(true);
            _FlashingRectItem->setYellowBord();
            _FlashingRectItem->setPos(data.second.posRect.x, data.second.posRect.y); // 设置矩形的位置
            scene->addItem(_FlashingRectItem);
            flashItems.insert(std::make_pair(data.first,_FlashingRectItem));
        }
        centerOn(0, 0);
    }
public slots:
    void resetToDefault()
    {
        for (auto& item : flashItems)
        {
            item.second->setYellowBord();
            item.second->disableToggleVisibility();
        }
    }
    void setProductSignStatus(int pos, int status)//设置产品示意图指定位置的状态
    {
        auto item = flashItems.find(pos);
        if (item == flashItems.end())
            return;
        mutex.lock();

        switch (status)
        {
        case 0://未检测
            item->second->setYellowBord();
            item->second->disableToggleVisibility();
            break;
        case 1://正在检测
            item->second->setYellowBord();
            item->second->enableToggleVisibility();
            break;
        case 2://OK
            item->second->setGreenBord();
            item->second->disableToggleVisibility();
            item->second->setVisible(true);
            break;
        case 3://NG
            item->second->setRedBord();
            item->second->disableToggleVisibility();
            item->second->setVisible(true);
            break;
        }
        centerOn(item->second->pos());
        mutex.unlock();
    }
protected:
    virtual void keyPressEvent(QKeyEvent* event) override
    {
        //if (event->key() == Qt::Key_O) {
        //    this->resetTransform();
        //    this->setSceneRect(m_image.rect());
        //    this->fitInView(QRect(0, 0, m_image.width(), m_image.height()), Qt::KeepAspectRatio);
        //}
    }
    void zoom(QPoint factor)
    {
        QRectF FOV = this->mapToScene(this->rect()).boundingRect();
        QRectF FOVImage = QRectF(FOV.left(), FOV.top(), FOV.width(), FOV.height());
        float scaleX = static_cast<float>(imageWidth) / FOVImage.width();
        float scaleY = static_cast<float>(imageHeight) / FOVImage.height();
        float minScale = scaleX > scaleY ? scaleY : scaleX;
        float maxScale = scaleX > scaleY ? scaleX : scaleY;
        if ((factor.y() > 0 && minScale > 100) || (factor.y() < 0 && maxScale < 1)) {
            return;
        }
        if (factor.y() > 0)
            scale(1.2, 1.2);
        else
            scale(0.8, 0.8);
    }
    void togglePan(bool pan, const QPoint& startPos = QPoint())
    {
        if (pan) {
            if (m_isPan) {
                return;
            }
            m_isPan = true;
            m_prevPan = startPos;
            setCursor(Qt::ClosedHandCursor);
        }
        else {
            if (!m_isPan) {
                return;
            }
            m_isPan = false;
            m_prevPan = QPoint(0, 0);
            setCursor(Qt::ArrowCursor);
        }
    }
    void pan(const QPoint& panTo)
    {
        auto hBar = horizontalScrollBar();
        auto vBar = verticalScrollBar();
        auto delta = panTo - m_prevPan;
        m_prevPan = panTo;
        hBar->setValue(hBar->value() - delta.x());
        vBar->setValue(vBar->value() - delta.y());
    }
private:
    std::unordered_map<int, FlashingRectItem*>flashItems;
    void showImg(QPixmap img)
    {
        mutex.lock();
        scene->clear();
        setEnabled(true);
        setMouseTracking(true);
        imgLabel = new QLabel();
        imgLabel->setMaximumSize(9999, 9999);
        scene->addWidget(imgLabel);
        QRect rect = img.rect();
        imageWidth = rect.width();
        imageHeight = rect.height();

        imgLabel->setFixedSize(imageWidth, imageHeight);
        imgLabel->setPixmap(img);
        setSceneRect(rect);
        this->fitInView(imgLabel->rect(), Qt::KeepAspectRatioByExpanding);
        mutex.unlock();
    }
    bool m_isPan;
    QPoint m_prevPan;
    QLabel* imgLabel;
    QGraphicsItemGroup* rectGroup = nullptr;
    int imageWidth = 1; int imageHeight = 1;
    QMutex mutex;
};
#pragma once