/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *                                                                         *
 *  Copyright (C) 2016-2018 Simon Stürz <simon.stuerz@guh.io>              *
 *                                                                         *
 *  This file is part of guh.                                              *
 *                                                                         *
 *  This library is free software; you can redistribute it and/or          *
 *  modify it under the terms of the GNU Lesser General Public             *
 *  License as published by the Free Software Foundation; either           *
 *  version 2.1 of the License, or (at your option) any later version.     *
 *                                                                         *
 *  This library is distributed in the hope that it will be useful,        *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU      *
 *  Lesser General Public License for more details.                        *
 *                                                                         *
 *  You should have received a copy of the GNU Lesser General Public       *
 *  License along with this library; If not, see                           *
 *  <http://www.gnu.org/licenses/>.                                        *
 *                                                                         *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef BLUETOOTHMANAGER_H
#define BLUETOOTHMANAGER_H

#include <QObject>
#include <QDBusConnection>
#include <QDBusInterface>
#include <QDBusServiceWatcher>

#include "blueztypes.h"
#include "bluetoothadapter.h"

class BluetoothManager : public QObject
{
    Q_OBJECT
public:
    explicit BluetoothManager(QObject *parent = 0);

    QList<BluetoothAdapter *> adapters() const;

    bool isAvailable() const;

private:
    QDBusInterface *m_objectManagerInterface;
    QDBusServiceWatcher *m_serviceWatcher;

    QList<BluetoothAdapter *> m_adapters;

    bool m_available;

    void init();
    void clean();

    void setAvailable(const bool &available);

    // DBus object helpers
    void processObjectList(const ManagedObjectList &objectList);
    void processInterfaceList(const QDBusObjectPath &objectPath, const InterfaceList &interfaceList);

    bool adapterAlreadyAdded(const QDBusObjectPath &objectPath);

    BluetoothAdapter *findAdapter(const QDBusObjectPath &objectPath);
    BluetoothDevice *findDevice(const QDBusObjectPath &objectPath);
    BluetoothGattService *findService(const QDBusObjectPath &objectPath);
    BluetoothGattCharacteristic *findCharacteristic(const QDBusObjectPath &objectPath);

signals:
    void availableChanged(const bool &available);

    void adapterAdded(BluetoothAdapter *adapter);
    void adapterRemoved(BluetoothAdapter *adapter);

private slots:
    void serviceRegistered(const QString &serviceName);
    void serviceUnregistered(const QString &serviceName);

    void onInterfaceAdded(const QDBusObjectPath &objectPath, const InterfaceList &interfaceList);
    void onInterfaceRemoved(const QDBusObjectPath &objectPath, const QStringList &interfaces);

public slots:

};

#endif // BLUETOOTHMANAGER_H