// pluginManager.h
#pragma once

#include "export.hpp"
#include "../common/include/pluginCommon/iCanvasItem.h"
#include "../common/include/pluginCommon/iPlugin.h"
#include <QObject>

class DIAGRAM_DESIGNER_PUBLIC PluginManager : public QObject
{
    Q_OBJECT

public:
    explicit PluginManager(QObject *parent = nullptr);
    virtual ~PluginManager();

    // 单例模式
    static PluginManager* instance();

    // 插件管理
    bool loadPlugin(const QString &filePath);
    bool unloadPlugin(const QString &pluginId);
    void loadAllPlugins(const QString &directory);

    // 插件目录管理
    void addPluginDirectory(const QString &dir);
    void setPluginDirectories(const QStringList &dirs);
    QStringList pluginDirectories() const;

    // 创建原始插件项
    ICanvasItem* createItem(const QString &shapeId);

    // 查询接口
    QStringList availableShapes() const;
    bool contains(const QString &shapeId) const;
    ShapeDescriptor shapeDescriptor(const QString &shapeId) const;
    QIcon shapeIcon(const QString &shapeId) const;

    // 插件信息
    PluginDescriptor pluginDescriptor(const QString &pluginId) const;
    QStringList loadedPlugins() const;

    // 内置形状注册
    void registerBuiltinShape(const QString &shapeId,
                              const QString &name,
                              std::function<ICanvasItem*()> creator,
                              const QString &iconPath = QString());

signals:
    void pluginLoaded(const PluginDescriptor &descriptor);
    void pluginUnloaded(const QString &pluginId);
    void shapesChanged();

private:
    class Private;
    QScopedPointer<Private> d;
};