/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *                                                                         *
 *  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 BLUETOOTHGATTSERVICE_H
#define BLUETOOTHGATTSERVICE_H

#include <QObject>
#include <QBluetoothUuid>

#include "blueztypes.h"
#include "bluetoothgattcharacteristic.h"

// Note: DBus documentation https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/doc/gatt-api.txt

class BluetoothManager;
class BluetoothDevice;

class BluetoothGattService : public QObject
{
    Q_OBJECT

    friend class BluetoothManager;
    friend class BluetoothDevice;

public:
    enum Type {
        Primary,
        Secondary
    };
    Q_ENUM(Type)

    QString serviceName() const;
    Type type() const;
    QBluetoothUuid uuid() const;

    // Characteristic methods
    QList<BluetoothGattCharacteristic *> characteristics() const;
    bool hasCharacteristic(const QBluetoothUuid &characteristicUuid);
    BluetoothGattCharacteristic *getCharacteristic(const QBluetoothUuid &characteristicUuid);

private:
    explicit BluetoothGattService(const QDBusObjectPath &path, const QVariantMap &properties, QObject *parent = 0);

    QDBusObjectPath m_path;

    Type m_type;
    QBluetoothUuid m_uuid;
    QList<BluetoothGattCharacteristic *> m_characteristics;

    bool m_discovered;

    void processProperties(const QVariantMap &properties);

    // Methods called from BluetoothManager
    void addCharacteristicInternally(const QDBusObjectPath &path, const QVariantMap &properties);
    bool hasCharacteristic(const QDBusObjectPath &path);
    BluetoothGattCharacteristic *getCharacteristic(const QDBusObjectPath &path);

private slots:
    void onCharacteristicReadFinished(const QByteArray &value);
    void onCharacteristicWriteFinished(const QByteArray &value);
    void onCharacteristicValueChanged(const QByteArray &newValue);

signals:
    void characteristicReadFinished(BluetoothGattCharacteristic *characteristic, const QByteArray &value);
    void characteristicWriteFinished(BluetoothGattCharacteristic *characteristic, const QByteArray &value);
    void characteristicChanged(BluetoothGattCharacteristic *characteristic, const QByteArray &newValue);

public slots:
    bool readCharacteristic(const QBluetoothUuid &characteristicUuid);

};

QDebug operator<<(QDebug debug, BluetoothGattService *service);


#endif // BLUETOOTHGATTSERVICE_H