/*
  signingresult.h - wraps a gpgme sign result
  Copyright (C) 2004 Klarälvdalens Datakonsult AB

  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_SIGNINGRESULT_H__
#define __GPGMEPP_SIGNINGRESULT_H__

#include <gpgme++/global.h>
#include <gpgme++/result.h>

#include <time.h>

#include <boost/shared_ptr.hpp>

#include <vector>
#include <iosfwd>

namespace GpgME {

  class Error;
  class CreatedSignature;
  class InvalidSigningKey;

  class GPGMEPP_EXPORT SigningResult : public Result {
  public:
    SigningResult();
    SigningResult( gpgme_ctx_t ctx, int error );
    SigningResult( gpgme_ctx_t ctx, const Error & error );
    explicit SigningResult( const Error & err );

    const SigningResult & operator=( SigningResult other ) {
	swap( other );
	return *this;
    }

    void swap( SigningResult & other ) {
	Result::swap( other );
	using std::swap;
	swap( this->d, other.d );
    }

    bool isNull() const;

    CreatedSignature createdSignature( unsigned int index ) const;
    std::vector<CreatedSignature> createdSignatures() const;

    InvalidSigningKey invalidSigningKey( unsigned int index ) const;
    std::vector<InvalidSigningKey> invalidSigningKeys() const;

    class Private;
  private:
    void init( gpgme_ctx_t ctx );
    boost::shared_ptr<Private> d;
  };

  GPGMEPP_EXPORT std::ostream & operator<<( std::ostream & os, const SigningResult & result );

  class GPGMEPP_EXPORT InvalidSigningKey {
    friend class ::GpgME::SigningResult;
    InvalidSigningKey( const boost::shared_ptr<SigningResult::Private> & parent, unsigned int index );
  public:
    InvalidSigningKey();

    const InvalidSigningKey & operator=( InvalidSigningKey other ) {
	swap( other );
	return *this;
    }

    void swap( InvalidSigningKey & other ) {
	using std::swap;
	swap( this->d, other.d );
	swap( this->idx, other.idx );
    }

    bool isNull() const;

    const char * fingerprint() const;
    Error reason() const;

  private:
    boost::shared_ptr<SigningResult::Private> d;
    unsigned int idx;
  };

  GPGMEPP_EXPORT std::ostream & operator<<( std::ostream & os, const InvalidSigningKey & key );

  class GPGMEPP_EXPORT CreatedSignature {
    friend class ::GpgME::SigningResult;
    CreatedSignature( const boost::shared_ptr<SigningResult::Private> & parent, unsigned int index );
  public:

    CreatedSignature();

    const CreatedSignature & operator=( CreatedSignature other ) {
	swap( other );
	return *this;
    }

    void swap( CreatedSignature & other ) {
	using std::swap;
	swap( this->d, other.d );
	swap( this->idx, other.idx );
    }

    bool isNull() const;

    const char * fingerprint() const;

    time_t creationTime() const;

    SignatureMode mode() const;

    unsigned int publicKeyAlgorithm() const;
    const char * publicKeyAlgorithmAsString() const;

    unsigned int hashAlgorithm() const;
    const char * hashAlgorithmAsString() const;

    unsigned int signatureClass() const;

  private:
    boost::shared_ptr<SigningResult::Private> d;
    unsigned int idx;
  };

  GPGMEPP_EXPORT std::ostream & operator<<( std::ostream & os, const CreatedSignature & sig );

}

GPGMEPP_MAKE_STD_SWAP_SPECIALIZATION( SigningResult )
GPGMEPP_MAKE_STD_SWAP_SPECIALIZATION( InvalidSigningKey )
GPGMEPP_MAKE_STD_SWAP_SPECIALIZATION( CreatedSignature )

#endif // __GPGMEPP_SIGNINGRESULT_H__
