// Copyright (C) 2021 The Qt Company Ltd.
// Copyright (C) 2019 Luxoft Sweden AB
// Copyright (C) 2018 Pelagicore AG
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QIFABSTRACTZONEDFEATURE_H
#define QIFABSTRACTZONEDFEATURE_H

#include <QtCore/QMap>
#include <QtCore/QVariant>
#include <QtInterfaceFramework/QIfAbstractFeature>
#include <QtInterfaceFramework/qtifglobal.h>

QT_BEGIN_NAMESPACE

class QIfZonedFeatureInterface;
class QIfAbstractZonedFeaturePrivate;

class Q_QTINTERFACEFRAMEWORK_EXPORT QIfAbstractZonedFeature : public QIfAbstractFeature
{
    Q_OBJECT
    QML_NAMED_ELEMENT(AbstractZonedFeature)
    QML_UNCREATABLE("")

    Q_PROPERTY(QString zone READ zone WRITE setZone NOTIFY zoneChanged FINAL)
    Q_PROPERTY(QStringList availableZones READ availableZones NOTIFY availableZonesChanged FINAL)
    Q_PROPERTY(QVariantList zones READ zoneFeatureList NOTIFY zonesChanged FINAL)
    Q_PROPERTY(QVariantMap zoneAt READ zoneFeatureMap  NOTIFY zonesChanged FINAL)

public:

    explicit QIfAbstractZonedFeature(const QString &interface, const QString &zone = QString(), QObject *parent = nullptr);

    QString zone() const;

    QStringList availableZones() const;

    QIfAbstractZonedFeature *zoneAt(const QString &zone) const;
    QList<QIfAbstractZonedFeature*> zones() const;

Q_SIGNALS:
    void availableZonesChanged(const QStringList &zones);
    void zoneChanged();
    void zonesChanged();

protected:
    QIfAbstractZonedFeature(QIfAbstractZonedFeaturePrivate &dd, QObject *parent = nullptr);

    virtual QIfAbstractZonedFeature *createZoneFeature(const QString &zone) = 0;
    QIfZonedFeatureInterface *backend(const QString &interface = QString()) const;

    bool acceptServiceObject(QIfServiceObject *serviceObject) override;
    void connectToServiceObject(QIfServiceObject *serviceObject) override;
    void clearServiceObject() override;

private Q_SLOTS:
    void setZone(const QString &zone);
    void initializeZones(const QStringList &zones);

private:
    QVariantList attributeList() const;
    QVariantMap attributeMap() const;
    QVariantMap zoneFeatureMap() const;
    QVariantList zoneFeatureList() const;

    void resetAttributes();

private:
    Q_DECLARE_PRIVATE(QIfAbstractZonedFeature)
};

QT_END_NAMESPACE

#endif // QIFABSTRACTZONEDFEATURE_H