/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2013 Javier S. Pedro <maemo@javispedro.com>
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#ifndef QLOWENERGYCONTROLLER_OSX_P_H
#define QLOWENERGYCONTROLLER_OSX_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "qlowenergyserviceprivate_p.h"
#include "osx/osxbtcentralmanager_p.h"
#include "qlowenergycontroller_p.h"
#include "qlowenergycontroller.h"
#include "osx/osxbtnotifier_p.h"
#include "osx/osxbtutility_p.h"
#include "qbluetoothaddress.h"
#include "qbluetoothuuid.h"

#include <QtCore/qsharedpointer.h>
#include <QtCore/qglobal.h>
#include <QtCore/qstring.h>
#include <QtCore/qmap.h>

QT_BEGIN_NAMESPACE

namespace OSXBluetooth
{

class LECentralNotifier;

}

class QByteArray;

// While suffix 'OSX', it's also for iOS.
class QLowEnergyControllerPrivateOSX : public QLowEnergyControllerPrivate
{
    friend class QLowEnergyController;
    friend class QLowEnergyService;

    Q_OBJECT
public:
    QLowEnergyControllerPrivateOSX(QLowEnergyController *q);
    QLowEnergyControllerPrivateOSX(QLowEnergyController *q,
                                   const QBluetoothDeviceInfo &uuid);
    ~QLowEnergyControllerPrivateOSX();

    bool isValid() const;

private Q_SLOTS:
    void _q_connected();
    void _q_disconnected();

    void _q_serviceDiscoveryFinished();
    void _q_serviceDetailsDiscoveryFinished(QSharedPointer<QLowEnergyServicePrivate> service);

    void _q_characteristicRead(QLowEnergyHandle charHandle, const QByteArray &value);
    void _q_characteristicWritten(QLowEnergyHandle charHandle, const QByteArray &value);
    void _q_characteristicUpdated(QLowEnergyHandle charHandle, const QByteArray &value);
    void _q_descriptorRead(QLowEnergyHandle descHandle, const QByteArray &value);
    void _q_descriptorWritten(QLowEnergyHandle charHandle, const QByteArray &value);

    void _q_LEnotSupported();
    void _q_CBCentralManagerError(QLowEnergyController::Error error);
    void _q_CBCentralManagerError(const QBluetoothUuid &serviceUuid, QLowEnergyController::Error error);
    void _q_CBCentralManagerError(const QBluetoothUuid &serviceUuid, QLowEnergyService::ServiceError error);

private:
    void connectToDevice();
    void discoverServices();
    void discoverServiceDetails(const QBluetoothUuid &serviceUuid);

    // TODO: all these read/write /setNotify can be simplified -
    // by just passing either characteristic or descriptor (that
    // has all needed information - service, handle, etc.).
    void setNotifyValue(QSharedPointer<QLowEnergyServicePrivate> service,
                        QLowEnergyHandle charHandle, const QByteArray &newValue);

    void readCharacteristic(QSharedPointer<QLowEnergyServicePrivate> service,
                            QLowEnergyHandle charHandle);
    void writeCharacteristic(QSharedPointer<QLowEnergyServicePrivate> service,
                             QLowEnergyHandle charHandle, const QByteArray &newValue,
                             bool writeWithResponse);

    quint16 updateValueOfCharacteristic(QLowEnergyHandle charHandle,
                                        const QByteArray &value,
                                        bool appendValue);

    void readDescriptor(QSharedPointer<QLowEnergyServicePrivate> service,
                        QLowEnergyHandle charHandle);
    void writeDescriptor(QSharedPointer<QLowEnergyServicePrivate> service,
                         QLowEnergyHandle descriptorHandle,
                         const QByteArray &newValue);


    quint16 updateValueOfDescriptor(QLowEnergyHandle charHandle,
                                    QLowEnergyHandle descHandle,
                                    const QByteArray &value,
                                    bool appendValue);

    // 'Lookup' functions:
    QSharedPointer<QLowEnergyServicePrivate> serviceForHandle(QLowEnergyHandle serviceHandle);
    QLowEnergyCharacteristic characteristicForHandle(QLowEnergyHandle charHandle);
    QLowEnergyDescriptor descriptorForHandle(QLowEnergyHandle descriptorHandle);

    void setErrorDescription(QLowEnergyController::Error errorCode);
    void invalidateServices();
    bool connectSlots(OSXBluetooth::LECentralNotifier *notifier);

    QLowEnergyController *q_ptr;
    QBluetoothUuid deviceUuid;
    QString deviceName;

    QString errorString;
    QLowEnergyController::Error lastError;

    QBluetoothAddress localAddress;
    QBluetoothAddress remoteAddress;

    QLowEnergyController::ControllerState controllerState;
    QLowEnergyController::RemoteAddressType addressType;

    typedef QT_MANGLE_NAMESPACE(OSXBTCentralManager) ObjCCentralManager;
    typedef OSXBluetooth::ObjCScopedPointer<ObjCCentralManager> CentralManager;
    CentralManager centralManager;

    typedef QMap<QBluetoothUuid, QSharedPointer<QLowEnergyServicePrivate> > ServiceMap;
    typedef ServiceMap::const_iterator ConstServiceIterator;
    typedef ServiceMap::iterator ServiceIterator;
    ServiceMap discoveredServices;
};

QT_END_NAMESPACE

#endif