// genericPluginAdapter.cpp
#include "genericPluginAdapter.h"
#include "pluginCommon/ICanvasItem.h"
#include <QDebug>
#include <QPainterPath>
#include <QVariantMap>

GenericPluginAdapter::GenericPluginAdapter(ICanvasItem *pluginItem, QObject *parent)
    : IPluginAdapter(parent)
    , m_pluginItem(pluginItem)
{
    if (!m_pluginItem) {
        qWarning() << "GenericPluginAdapter: pluginItem is null!";
        return;
    }

    connectSignals();
    updateCache();

    qDebug() << "GenericPluginAdapter created for plugin:" << m_pluginItem->typeId();
}

GenericPluginAdapter::~GenericPluginAdapter()
{
    if (m_pluginItem) {
        m_pluginItem->deleteLater();
    }
}

QString GenericPluginAdapter::pluginType() const
{
    return m_pluginItem ? m_pluginItem->typeId() : QString();
}

QRectF GenericPluginAdapter::bounds() const
{
    return m_cachedBounds;
}

void GenericPluginAdapter::setBounds(const QRectF &bounds)
{
    if (m_pluginItem && bounds.isValid()) {
        m_pluginItem->setBounds(bounds);
    }
}

void GenericPluginAdapter::paint(QPainter *painter, const QRectF &bounds)
{
    if (m_pluginItem && painter) {
        m_pluginItem->draw(painter, bounds);
    }
}

QPainterPath GenericPluginAdapter::shape() const
{
    // 返回简单的矩形路径
    QPainterPath path;
    path.addRect(m_cachedBounds);
    return path;
}

QVariant GenericPluginAdapter::property(const QString &key) const
{
    return m_pluginItem ? m_pluginItem->property(key) : QVariant();
}

void GenericPluginAdapter::setProperty(const QString &key, const QVariant &value)
{
    if (m_pluginItem) {
        m_pluginItem->setProperty(key, value);
    }
}

void GenericPluginAdapter::move(const QPointF &delta)
{
    if (m_pluginItem && !delta.isNull()) {
        QRectF bounds = m_pluginItem->bounds();
        bounds.translate(delta);
        m_pluginItem->setBounds(bounds);
    }
}

void GenericPluginAdapter::resize(const QRectF &newBounds)
{
    setBounds(newBounds);
}

bool GenericPluginAdapter::isSelected() const
{
    return m_selected;
}

void GenericPluginAdapter::setSelected(bool selected)
{
    if (m_selected != selected) {
        m_selected = selected;
        emit selectionChanged(selected);
    }
}

QVariantMap GenericPluginAdapter::saveState() const
{
    QVariantMap state;

    if (!m_pluginItem) {
        return state;
    }

    // 保存基本信息
    state["type"] = m_pluginItem->typeId();
    state["selected"] = m_selected;

    // 保存几何信息
    QRectF bounds = m_pluginItem->bounds();
    state["x"] = bounds.x();
    state["y"] = bounds.y();
    state["width"] = bounds.width();
    state["height"] = bounds.height();

    // 保存属性
    QVariantMap properties;
    // 这里可以保存插件的关键属性
    // 例如：properties["fillColor"] = m_pluginItem->property("fillColor");

    state["properties"] = properties;

    return state;
}

bool GenericPluginAdapter::loadState(const QVariantMap &state)
{
    if (!m_pluginItem) {
        return false;
    }

    // 加载几何信息
    if (state.contains("x") && state.contains("y") &&
        state.contains("width") && state.contains("height")) {
        QRectF bounds(
            state["x"].toReal(),
            state["y"].toReal(),
            state["width"].toReal(),
            state["height"].toReal()
            );
        m_pluginItem->setBounds(bounds);
    }

    // 加载选择状态
    if (state.contains("selected")) {
        setSelected(state["selected"].toBool());
    }

    // 加载属性
    if (state.contains("properties")) {
        QVariantMap properties = state["properties"].toMap();
        for (auto it = properties.begin(); it != properties.end(); ++it) {
            m_pluginItem->setProperty(it.key(), it.value());
        }
    }

    return true;
}

ICanvasItem* GenericPluginAdapter::pluginItem() const
{
    return m_pluginItem;
}

void GenericPluginAdapter::updateCache()
{
    if (m_pluginItem) {
        m_cachedBounds = m_pluginItem->bounds();
    }
}

void GenericPluginAdapter::connectSignals()
{
    if (!m_pluginItem) {
        return;
    }

    connect(m_pluginItem, &ICanvasItem::boundsChanged,
            this, &GenericPluginAdapter::onPluginBoundsChanged);

    connect(m_pluginItem, &ICanvasItem::propertyChanged,
            this, &GenericPluginAdapter::onPluginPropertyChanged);
}

void GenericPluginAdapter::onPluginBoundsChanged(const QRectF &newBounds)
{
    m_cachedBounds = newBounds;
    emit boundsChanged(newBounds);
    emit adapterChanged();
}

void GenericPluginAdapter::onPluginPropertyChanged(const QString &key, const QVariant &value)
{
    emit propertyChanged(key, value);
    emit adapterChanged();
}