#ifndef ELAGRAPHICSSCENE_H
#define ELAGRAPHICSSCENE_H

#include <QDataStream>
#include <QEvent>
#include <QGraphicsScene>
#include <QJsonObject>
#include <QObject>
#include <QPainter>

#include "ElaDef.h"
#include "ElaProperty.h"

class ElaGraphicsItem;
class ElaGraphicsScenePrivate;
class ELA_EXPORT ElaGraphicsScene : public QGraphicsScene {
    Q_OBJECT
    Q_Q_CREATE(ElaGraphicsScene)
    Q_PROPERTY_CREATE_Q_H(bool, IsCheckLinkPort)
    Q_PROPERTY_CREATE_Q_H(QString, SerializePath)
public:
    explicit ElaGraphicsScene(QObject *parent = nullptr);
    ~ElaGraphicsScene();
    void addItem(ElaGraphicsItem *item);
    void removeItem(ElaGraphicsItem *item);
    void removeSelectedItems();
    void clear();

    QList<ElaGraphicsItem *> createAndAddItem(int width, int height, int count = 1);
    QList<ElaGraphicsItem *> getSelectedElaItems() const;
    QList<ElaGraphicsItem *> getElaItems();
    QList<ElaGraphicsItem *> getElaItems(QPoint pos);
    QList<ElaGraphicsItem *> getElaItems(QPointF pos);
    QList<ElaGraphicsItem *> getElaItems(QRect rect);
    QList<ElaGraphicsItem *> getElaItems(QRectF rect);

    void                            setSceneMode(ElaGraphicsSceneType::SceneMode mode);
    ElaGraphicsSceneType::SceneMode getSceneMode() const;

    void selectAllItems();

    QList<QVariantMap> getItemLinkList() const;
    bool               addItemLink(ElaGraphicsItem *item1, ElaGraphicsItem *item2, int port1 = 0, int port2 = 0);
    bool               removeItemLink(ElaGraphicsItem *item1);
    bool               removeItemLink(ElaGraphicsItem *item1, ElaGraphicsItem *item2, int port1 = 0, int port2 = 0);

    QVector<QVariantMap> getItemsDataRoute() const;

    // 序列化 反序列化
    void serialize();
    void deserialize();

Q_SIGNALS:
    void showItemLink();
    void mouseLeftClickedItem(ElaGraphicsItem *item);
    void mouseRightClickedItem(ElaGraphicsItem *item);
    void mouseDoubleClickedItem(ElaGraphicsItem *item);

protected:
    virtual void focusOutEvent(QFocusEvent *event) override;
    virtual void keyPressEvent(QKeyEvent *event) override;
    virtual void keyReleaseEvent(QKeyEvent *event) override;
    virtual void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
    virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
    virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
};

#endif // ELAGRAPHICSSCENE_H