/*

  tofuinfo.h - wraps gpgme tofu info

  Copyright (C) 2016 by Bundesamt für Sicherheit in der Informationstechnik

  Software engineering by Intevation GmbH

  This file is part of GPGME++.

  GPGME++ is free software; you can redistribute it and/or

  modify it under the terms of the GNU Library General Public

  License as published by the Free Software Foundation; either

  version 2 of the License, or (at your option) any later version.

  GPGME++ 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 Library General Public License for more details.

  You should have received a copy of the GNU Library General Public License

  along with GPGME++; see the file COPYING.LIB.  If not, write to the

  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

  Boston, MA 02110-1301, USA.

*/

#ifndef __GPGMEPP_TOFUINFO_H__

#define __GPGMEPP_TOFUINFO_H__

#include "gpgmepp_export.h"

#include "global.h"

#include <memory>

namespace GpgME

{

class GPGMEPP_EXPORT TofuInfo

{

public:

    TofuInfo();

    explicit TofuInfo(gpgme_tofu_info_t info);

    const TofuInfo &operator=(TofuInfo other)

    {

        swap(other);

        return *this;

    }

    void swap(TofuInfo &other)

    {

        using std::swap;

        swap(this->d, other.d);

    }

    bool isNull() const;

    /* @enum Validity

     * @brief The TOFU Validity. */

    enum Validity : unsigned int {

        /*! Unknown (uninitialized).*/

        ValidityUnknown,

        /*! TOFU Conflict.*/

        Conflict,

        /*! Key without history.*/

        NoHistory,

        /*! Key with too little history.*/

        LittleHistory,

        /*! Key with enough history for basic trust.*/

        BasicHistory,

        /*! Key with a lot of history.*/

        LargeHistory,

    };

    Validity validity() const;

    /* @enum Policy

     * @brief The TOFU Validity. */

    enum Policy : unsigned int {

        /*! GPGME_TOFU_POLICY_NONE */

        PolicyNone,

        /*! GPGME_TOFU_POLICY_AUTO */

        PolicyAuto,

        /*! GPGME_TOFU_POLICY_GOOD */

        PolicyGood,

        /*! GPGME_TOFU_POLICY_UNKNOWN */

        PolicyUnknown,

        /*! GPGME_TOFU_POLICY_BAD */

        PolicyBad,

        /*! GPGME_TOFU_POLICY_ASK */

        PolicyAsk,

    };

    Policy policy() const;

    /* Number of signatures seen for this binding.  Capped at USHRT_MAX.  */

    unsigned short signCount() const;

    /* Number of encryption done to this binding.  Capped at USHRT_MAX.  */

    unsigned short encrCount() const;

    /** Number of seconds since epoch when the first message was verified */

    unsigned long signFirst() const;

    /** Number of seconds since epoch when the last message was verified */

    unsigned long signLast() const;

    /** Number of seconds since epoch when the first message was encrypted */

    unsigned long encrFirst() const;

    /** Number of seconds since epoch when the last message was encrypted */

    unsigned long encrLast() const;

    /* If non-NULL a human readable string summarizing the TOFU data. */

    const char *description() const;

private:

    class Private;

    std::shared_ptr<Private> d;

};

GPGMEPP_EXPORT std::ostream &operator<<(std::ostream &os, const TofuInfo &info;;

} // namespace GpgME

GPGMEPP_MAKE_STD_SWAP_SPECIALIZATION(TofuInfo)

#endif // __GPGMEPP_TOFUINFO_H__