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#include "techniquefilternode_p.h"
#include "qfilterkey.h"
#include "qtechniquefilter.h"
#include <Qt3DRender/private/qtechniquefilter_p.h>
#include <Qt3DRender/private/managers_p.h>
#include <Qt3DRender/qparameter.h>
#include <Qt3DCore/qpropertyupdatedchange.h>
#include <Qt3DCore/qpropertynodeaddedchange.h>
#include <Qt3DCore/qpropertynoderemovedchange.h>

QT_BEGIN_NAMESPACE

using namespace Qt3DCore;

namespace Qt3DRender {
namespace Render {

TechniqueFilter::TechniqueFilter()
    : FrameGraphNode(FrameGraphNode::TechniqueFilter)
{
}

void TechniqueFilter::initializeFromPeer(const Qt3DCore::QNodeCreatedChangeBasePtr &change)
{
    FrameGraphNode::initializeFromPeer(change);
    const auto typedChange = qSharedPointerCast<Qt3DCore::QNodeCreatedChange<QTechniqueFilterData>>(change);
    const auto &data = typedChange->data;
    m_filters = data.matchIds;
    m_parameterPack.setParameters(data.parameterIds);
}

QVector<Qt3DCore::QNodeId> TechniqueFilter::parameters() const
{
    return m_parameterPack.parameters();
}

QVector<Qt3DCore::QNodeId> TechniqueFilter::filters() const
{
    return m_filters;
}

void TechniqueFilter::appendFilter(QNodeId criterionId)
{
    if (!m_filters.contains(criterionId))
        m_filters.append(criterionId);
}

void TechniqueFilter::removeFilter(Qt3DCore::QNodeId criterionId)
{
    m_filters.removeOne(criterionId);
}

void TechniqueFilter::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e)
{
    switch (e->type()) {
    case PropertyValueAdded: {
        const auto change = qSharedPointerCast<QPropertyNodeAddedChange>(e);
        if (change->propertyName() == QByteArrayLiteral("matchAll")) {
            appendFilter(change->addedNodeId());
            markDirty(AbstractRenderer::AllDirty);
        } else if (change->propertyName() == QByteArrayLiteral("parameter")) {
            m_parameterPack.appendParameter(change->addedNodeId());
            markDirty(AbstractRenderer::AllDirty);
        }
        break;
    }

    case PropertyValueRemoved: {
        const auto change = qSharedPointerCast<QPropertyNodeRemovedChange>(e);
        if (change->propertyName() == QByteArrayLiteral("matchAll")) {
            removeFilter(change->removedNodeId());
            markDirty(AbstractRenderer::AllDirty);
        } else if (change->propertyName() == QByteArrayLiteral("parameter")) {
            m_parameterPack.removeParameter(change->removedNodeId());
            markDirty(AbstractRenderer::AllDirty);
        }
        break;
    }

    default:
        break;
    }
    FrameGraphNode::sceneChangeEvent(e);
}

} // namespace Render
} // namespace Qt3DRender

QT_END_NAMESPACE
