// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0

#pragma once

#include "designerpropertymap.h"
#include "qmlanchorbindingproxy.h"
#include "qmlmodelnodeproxy.h"

#include <utils/uniqueobjectptr.h>

#include <nodemetainfo.h>

#include <memory>

class PropertyEditorValue;

QT_BEGIN_NAMESPACE
class QQuickWidget;
QT_END_NAMESPACE

namespace QmlDesigner {

class MaterialEditorContextObject;
class MaterialEditorImageProvider;
class MaterialEditorTransaction;
class MaterialEditorView;

class MaterialEditorQmlBackend
{
    Q_DISABLE_COPY(MaterialEditorQmlBackend)

public:
    MaterialEditorQmlBackend(MaterialEditorView *materialEditor);
    ~MaterialEditorQmlBackend();

    void setup(const QmlObjectNode &selectedMaterialNode, const QString &stateName, const QUrl &qmlSpecificsFile,
               MaterialEditorView *materialEditor);
    void setValue(const QmlObjectNode &fxObjectNode, PropertyNameView name, const QVariant &value);
    void setExpression(PropertyNameView propName, const QString &exp);

    QQmlContext *context() const;
    MaterialEditorContextObject *contextObject() const;
    QQuickWidget *widget() const;
    void setSource(const QUrl &url);
    QmlAnchorBindingProxy &backendAnchorBinding();
    void updateMaterialPreview(const QPixmap &pixmap);
    void refreshBackendModel();
    DesignerPropertyMap &backendValuesPropertyMap();
    MaterialEditorTransaction *materialEditorTransaction() const;

    PropertyEditorValue *propertyValueForName(const QString &propertyName);

    static QString materialEditorResourcesPath();

    void emitSelectionToBeChanged();
    void emitSelectionChanged();

    void setValueforAuxiliaryProperties(const QmlObjectNode &qmlObjectNode, AuxiliaryDataKeyView key);

private:
    void createPropertyEditorValue(const QmlObjectNode &qmlObjectNode,
                                   PropertyNameView name,
                                   const QVariant &value,
                                   MaterialEditorView *materialEditor);
    PropertyName auxNamePostFix(PropertyNameView propertyName);

    // to avoid a crash while destructing DesignerPropertyMap in the QQmlData
    // this needs be destructed after m_quickWidget->engine() is destructed
    DesignerPropertyMap m_backendValuesPropertyMap;

    Utils::UniqueObjectPtr<QQuickWidget> m_quickWidget = nullptr;
    QmlAnchorBindingProxy m_backendAnchorBinding;
    QmlModelNodeProxy m_backendModelNode;
    std::unique_ptr<MaterialEditorTransaction> m_materialEditorTransaction;
    std::unique_ptr<MaterialEditorContextObject> m_contextObject;
    QPointer<MaterialEditorImageProvider> m_materialEditorImageProvider;
};

} // namespace QmlDesigner
