//pluginItemWrapper.h
#pragma once

#include "functionModelItem/graphicsFunctionModelItem.h"
#include "pluginCommon/iCanvasItem.h"
#include <QObject>

// 内部包装器，不暴露给外部
class PluginItemWrapper : public GraphicsFunctionModelItem
{
    Q_OBJECT

public:
    explicit PluginItemWrapper(ICanvasItem *pluginItem, QGraphicsItem *parent = nullptr);
    virtual ~PluginItemWrapper();

    // 克隆
    virtual GraphicsFunctionModelItem* clone() const override;

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

    virtual QRectF boundingRect() const override;
    virtual QPainterPath shape() const override;

    // 几何操作
    virtual void updateCoordinate() override;
    virtual void resize(int handle, double dx, double dy, const QPointF &pos) override;
    virtual void move(const QPointF &delta) override;

    // 获取插件项
    ICanvasItem* pluginItem() const;

protected:
    virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;

private:
    ICanvasItem *m_pluginItem = nullptr;
    QRectF m_cachedBounds;

    void updateCache();
    void connectSignals();
    QVariantMap saveState() const;
    bool loadStateIntoPluginItem(ICanvasItem *pluginItem, const QVariantMap &state) const;
    void copyPropertiesFrom(const PluginItemWrapper *source);

private slots:
    void onPluginBoundsChanged(const QRectF &newBounds);
    void onPluginPropertyChanged(const QString &key, const QVariant &value);
};