// src/canvas/PluginItemFactory.cpp
#include "diagramCavas/include/graphicsItem/pluginItemFactory.h"
#include "include/graphicsItem/pluginItemWrapper.h"
#include "pluginManager/include/pluginManager.h"
#include <QDebug>

PluginItemFactory* PluginItemFactory::instance()
{
    static PluginItemFactory instance;
    return &instance;
}

PluginItemFactory::PluginItemFactory(QObject *parent)
    : QObject(parent)
    , d(new Private)
{
}

void PluginItemFactory::setPluginManager(PluginManager *manager)
{
    d->pluginManager = manager;
}

GraphicsFunctionModelItem* PluginItemFactory::createItem(const QString &shapeId,
                                                         QGraphicsItem *parent)
{
    if (!d->pluginManager) {
        qWarning() << "PluginManager not set";
        emit creationFailed(shapeId, "PluginManager not set");
        return nullptr;
    }

    // 1. 通过插件管理器创建原始插件项
    ICanvasItem *pluginItem = d->pluginManager->createItem(shapeId);
    if (!pluginItem) {
        qWarning() << "Failed to create plugin item:" << shapeId;
        emit creationFailed(shapeId, "Plugin item creation failed");
        return nullptr;
    }

    // 2. 创建包装器
    GraphicsFunctionModelItem *item = createItemFromPlugin(pluginItem, parent);

    if (item) {
        emit itemCreated(item);
    }

    return item;
}

GraphicsFunctionModelItem* PluginItemFactory::createItemFromPlugin(
    ICanvasItem *pluginItem, QGraphicsItem *parent)
{
    if (!pluginItem) {
        return nullptr;
    }

    // 创建包装器
    PluginItemWrapper *wrapper = new PluginItemWrapper(pluginItem, parent);

    if (!wrapper) {
        qWarning() << "PluginItemFactory: Failed to create wrapper";
        return nullptr;
    }

    // 设置基本属性
    wrapper->setItemType(GIT_PluginItem);
    wrapper->setName(pluginItem->displayName());

    return wrapper;
}