/*
    Copyright (c) 2009 Kevin Ottens <ervin@kde.org>

    This library 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.

    This library 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 this library; see the file COPYING.LIB.  If not, write to the
    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
*/

#include "selectjob.h"

#include <KDE/KLocalizedString>
#include <kdebug.h>

#include "job_p.h"
#include "message_p.h"
#include "session_p.h"
#include "rfccodecs.h"

namespace KIMAP
{
  class SelectJobPrivate : public JobPrivate
  {
    public:
      SelectJobPrivate( Session *session, const QString& name )
        : JobPrivate( session, name ), readOnly( false ), messageCount( -1 ), recentCount( -1 ),
          firstUnseenIndex( -1 ), uidValidity( -1 ), nextUid( -1 ), highestmodseq( 0 ),
          condstoreEnabled( false ) { }
      ~SelectJobPrivate() { }

      QString mailBox;
      bool readOnly;

      QList<QByteArray> flags;
      QList<QByteArray> permanentFlags;
      int messageCount;
      int recentCount;
      int firstUnseenIndex;
      qint64 uidValidity;
      qint64 nextUid;
      quint64 highestmodseq;
      bool condstoreEnabled;
  };
}

using namespace KIMAP;

SelectJob::SelectJob( Session *session )
  : Job( *new SelectJobPrivate( session, i18nc( "name of the select job", "Select" ) ) )
{
}

SelectJob::~SelectJob()
{
}

void SelectJob::setMailBox( const QString &mailBox )
{
  Q_D( SelectJob );
  d->mailBox = mailBox;
}

QString SelectJob::mailBox() const
{
  Q_D( const SelectJob );
  return d->mailBox;
}

void SelectJob::setOpenReadOnly( bool readOnly )
{
  Q_D( SelectJob );
  d->readOnly = readOnly;
}

bool SelectJob::isOpenReadOnly() const
{
  Q_D( const SelectJob );
  return d->readOnly;
}

QList<QByteArray> SelectJob::flags() const
{
  Q_D( const SelectJob );
  return d->flags;
}

QList<QByteArray> SelectJob::permanentFlags() const
{
  Q_D( const SelectJob );
  return d->permanentFlags;
}

int SelectJob::messageCount() const
{
  Q_D( const SelectJob );
  return d->messageCount;
}

int SelectJob::recentCount() const
{
  Q_D( const SelectJob );
  return d->recentCount;
}

int SelectJob::firstUnseenIndex() const
{
  Q_D( const SelectJob );
  return d->firstUnseenIndex;
}

qint64 SelectJob::uidValidity() const
{
  Q_D( const SelectJob );
  return d->uidValidity;
}

qint64 SelectJob::nextUid() const
{
  Q_D( const SelectJob );
  return d->nextUid;
}

quint64 SelectJob::highestModSequence() const
{
  Q_D( const SelectJob );
  return d->highestmodseq;
}

void SelectJob::setCondstoreEnabled( bool enable )
{
  Q_D( SelectJob );
  d->condstoreEnabled = enable;
}

bool SelectJob::condstoreEnabled() const
{
  Q_D( const SelectJob );
  return d->condstoreEnabled;
}


void SelectJob::doStart()
{
  Q_D( SelectJob );

  QByteArray command = "SELECT";
  if ( d->readOnly ) {
    command = "EXAMINE";
  }

  QByteArray params = '\"'+KIMAP::encodeImapFolderName( d->mailBox.toUtf8() )+'\"';

  if ( d->condstoreEnabled ) {
    params += " (CONDSTORE)";
  }

  d->tags << d->sessionInternal()->sendCommand( command, params );
}

void SelectJob::handleResponse( const Message &response )
{
  Q_D( SelectJob );

  if ( handleErrorReplies( response ) == NotHandled ) {
      if ( response.content.size() >= 2 ) {
        QByteArray code = response.content[1].toString();

        if ( code == "OK" ) {
          if ( response.responseCode.size() < 2 ) {
            return;
          }

          code = response.responseCode[0].toString();

          if ( code == "PERMANENTFLAGS" ) {
            d->permanentFlags = response.responseCode[1].toList();
          } else if ( code == "HIGHESTMODSEQ" ) {
            bool isInt;
            quint64 value = response.responseCode[1].toString().toULongLong( &isInt );
            if ( !isInt ) {
              return;
            }
            d->highestmodseq = value;
          } else {
            bool isInt;
            qint64 value = response.responseCode[1].toString().toLongLong( &isInt );
            if ( !isInt ) {
              return;
            }
            if ( code == "UIDVALIDITY" ) {
              d->uidValidity = value;
            } else if ( code == "UNSEEN" ) {
              d->firstUnseenIndex = value;
            } else if ( code == "UIDNEXT" ) {
              d->nextUid = value;
            }
          }
        } else if ( code == "FLAGS" ) {
          d->flags = response.content[2].toList();
        } else {
          bool isInt;
          int value = response.content[1].toString().toInt( &isInt );
          if ( !isInt || response.content.size() < 3 ) {
            return;
          }

          code = response.content[2].toString();
          if ( code == "EXISTS" ) {
            d->messageCount = value;
          } else if ( code == "RECENT" ) {
            d->recentCount = value;
          }
        }
      } else {
        kDebug() << response.toString();
      }
  } else {
    Q_ASSERT( error() || d->m_session->selectedMailBox() == d->mailBox );
  }
}