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** This file is part of the Qt OPC UA module.
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** Alternatively, this file may be used under the terms of the GNU
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#pragma once

#include "opcuanodeidtype.h"
#include <QList>
#include <QQmlListProperty>

QT_BEGIN_NAMESPACE

class OpcUaRelativeNodePath;
class OpcUaNodeIdType;

class OpcUaRelativeNodeId : public OpcUaNodeIdType
{
    Q_OBJECT
    Q_DISABLE_COPY(OpcUaRelativeNodeId)
    Q_PROPERTY(OpcUaNodeIdType* startNode READ startNode WRITE setStartNode NOTIFY startNodeChanged)
    Q_PROPERTY(QQmlListProperty<OpcUaRelativeNodePath> path READ paths)

public:
    explicit OpcUaRelativeNodeId(QObject *parent = nullptr);

    OpcUaNodeIdType *startNode() const;
    QQmlListProperty<OpcUaRelativeNodePath> paths();
    void appendPath(OpcUaRelativeNodePath *path);
    int pathCount() const;
    OpcUaRelativeNodePath *path(int) const;
    void clearPaths();

signals:
    void startNodeChanged(OpcUaNodeIdType *startNode);
    void pathChanged();

public slots:
    void setStartNode(OpcUaNodeIdType *startNode);

private:
    static void appendPath(QQmlListProperty<OpcUaRelativeNodePath>*, OpcUaRelativeNodePath *);
    static int pathCount(QQmlListProperty<OpcUaRelativeNodePath>*);
    static OpcUaRelativeNodePath* path(QQmlListProperty<OpcUaRelativeNodePath>*, int);
    static void clearPaths(QQmlListProperty<OpcUaRelativeNodePath>*);

    OpcUaNodeIdType *m_startNode = nullptr;
    QList<OpcUaRelativeNodePath *> m_paths;

};

QT_END_NAMESPACE