// 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 QIFMEDIADEVICEDISCOVERYMODEL_H
#define QIFMEDIADEVICEDISCOVERYMODEL_H

#include <QtInterfaceFramework/QIfAbstractFeatureListModel>
#include <QtIfMedia/qtifmediaglobal.h>

QT_BEGIN_NAMESPACE

class QIfMediaDeviceDiscoveryModelPrivate;
class QIfMediaDevice;

//TODO Should we add a generic base class ? If not we should use QIfMediaDevice* internally
class Q_QTIFMEDIA_EXPORT QIfMediaDeviceDiscoveryModel : public QIfAbstractFeatureListModel
{
    Q_OBJECT
    QML_NAMED_ELEMENT(MediaDeviceDiscoveryModel)

    Q_PROPERTY(int count READ rowCount NOTIFY countChanged FINAL)

public:
    enum Roles {
        NameRole = Qt::DisplayRole,
        TypeRole = Qt::UserRole,
        ServiceObjectRole = Qt::UserRole + 1
    };

    explicit QIfMediaDeviceDiscoveryModel(QObject *parent = nullptr);

    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
    QVariant data(const QModelIndex &index, int role) const override;
    Q_INVOKABLE QIfMediaDevice *get(int i) const;
    QIfMediaDevice *at(int i) const;

    QHash<int, QByteArray> roleNames() const override;

Q_SIGNALS:
    void countChanged();
    void deviceAdded(QIfMediaDevice *device);
    void deviceRemoved(QIfMediaDevice *device);

protected:
    QIfMediaDeviceDiscoveryModel(QIfMediaDeviceDiscoveryModelPrivate &dd, QObject *parent = nullptr);

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

private:
    Q_DECLARE_PRIVATE(QIfMediaDeviceDiscoveryModel)
    Q_PRIVATE_SLOT(d_func(), void resetModel(const QList<QIfServiceObject *> deviceList))
    Q_PRIVATE_SLOT(d_func(), void onDeviceAdded(QIfServiceObject *device))
    Q_PRIVATE_SLOT(d_func(), void onDeviceRemoved(QIfServiceObject *device))
};

QT_END_NAMESPACE

#endif // QIFMEDIADEVICEDISCOVERYMODEL_H