/******************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtKnx module.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
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** accordance with the commercial license agreement provided with the
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
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******************************************************************************/

#ifndef QKNXEXTENDEDCONTROLFIELD_H
#define QKNXEXTENDEDCONTROLFIELD_H

#include <QtCore/qdebug.h>
#include <QtKnx/qknxaddress.h>
#include <QtKnx/qtknxglobal.h>

#include <bitset>

QT_BEGIN_NAMESPACE

class Q_KNX_EXPORT QKnxExtendedControlField final
{
    Q_GADGET

public:
    QKnxExtendedControlField() = default;
    explicit QKnxExtendedControlField(quint8 data);
    explicit QKnxExtendedControlField(const QKnxByteArray &data);

    QKnxAddress::Type destinationAddressType() const;
    void setDestinationAddressType(QKnxAddress::Type address);

    quint8 hopCount() const;
    void setHopCount(quint8 hopCount);

    enum class ExtendedFrameFormat
    {
        Standard = 0x00,
        Lte = 0x01
    };
    Q_ENUM(ExtendedFrameFormat)
    QKnxExtendedControlField::ExtendedFrameFormat format() const;
    void setFormat(QKnxExtendedControlField::ExtendedFrameFormat format);

    quint8 byte() const { return quint8(m_ctrl2.to_ulong()); }
    QKnxByteArray bytes() const
    {
        return { quint8(m_ctrl2.to_ulong()) };
    }

    quint8 size() const { return 1; }

    bool operator==(const QKnxExtendedControlField &other) const;
    bool operator!=(const QKnxExtendedControlField &other) const;

    class Q_KNX_EXPORT Builder final
    {
    public:
        Builder &setDestinationAddressType(QKnxAddress::Type address);
        Builder &setHopCount(quint8 hopCount);
        Builder &setFormat(QKnxExtendedControlField::ExtendedFrameFormat format);

        QKnxExtendedControlField create() const;

    private:
        QKnxAddress::Type m_address { QKnxAddress::Type::Group };
        quint8 m_hopCount { 6 };
        QKnxExtendedControlField::ExtendedFrameFormat m_format { ExtendedFrameFormat::Standard };
    };
    static QKnxExtendedControlField::Builder builder();

private:
    std::bitset<8> m_ctrl2; // ### Qt6: Replace with quint8
};
Q_KNX_EXPORT QDebug operator<<(QDebug debug, const QKnxExtendedControlField &ctrl);

Q_DECLARE_TYPEINFO(QKnxExtendedControlField::ExtendedFrameFormat, Q_PRIMITIVE_TYPE);

QT_END_NAMESPACE

#endif