/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtNfc module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef TARGETEMULATOR_P_H
#define TARGETEMULATOR_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 <QtCore/QtGlobal>
#include <QtCore/QByteArray>
#include <QtNfc/qnfcglobal.h>

QT_FORWARD_DECLARE_CLASS(QSettings)

QT_BEGIN_NAMESPACE

class TagBase
{
public:
    TagBase();
    virtual ~TagBase();

    virtual void load(QSettings *settings) = 0;

    virtual QByteArray processCommand(const QByteArray &command) = 0;

    virtual QByteArray uid() const = 0;

    qint64 lastAccessTime() const { return lastAccess; }

protected:
    mutable qint64 lastAccess;
};

class NfcTagType1 : public TagBase
{
public:
    NfcTagType1();
    ~NfcTagType1();

    void load(QSettings *settings);

    QByteArray processCommand(const QByteArray &command);

    QByteArray uid() const;

private:
    quint8 readData(quint8 block, quint8 byte);

    quint8 hr0;
    quint8 hr1;

    QByteArray memory;
};

class NfcTagType2 : public TagBase
{
public:
    NfcTagType2();
    ~NfcTagType2();

    void load(QSettings *settings);

    QByteArray processCommand(const QByteArray &command);

    QByteArray uid() const;

private:
    QByteArray memory;
    quint8 currentSector;
    bool expectPacket2;
};

QT_END_NAMESPACE

#endif // TARGETEMULATOR_P_H
