/***************************************************************************
                          filters.cpp  -  description
                             -------------------
    begin                : Fri Jun 30 2000
    copyright            : (C) 2000 by Hans Dijkema
    email                : kmailcvt@hum.org
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include <tdemessagebox.h>
#include <tdelocale.h>
#include <dcopclient.h>
#include <dcopref.h>
#include <kurl.h>
#include <kdebug.h>

#include "filters.h"
#include "kmailcvt.h"


//////////////////////////////////////////////////////////////////////////////////
//
// The API to the kmailcvt dialog --> Gives the import filter access to
// put information on the dialog.
//
//////////////////////////////////////////////////////////////////////////////////

bool FilterInfo::s_terminateASAP = false;

FilterInfo::FilterInfo( KImportPageDlg* dlg, TQWidget* parent , bool _removeDupMsg)
  : m_dlg( dlg ),
    m_parent( parent )
{
  removeDupMsg = _removeDupMsg;
  s_terminateASAP = false;
}

FilterInfo::~FilterInfo()
{
}

void FilterInfo::setStatusMsg( const TQString& status )
{
  m_dlg->_texStatus->setText( status );
}

void FilterInfo::setFrom( const TQString& from )
{
  m_dlg->_from->setText( from );
}

void FilterInfo::setTo( const TQString& to )
{
  m_dlg->_to->setText( to );
}

void FilterInfo::setCurrent( const TQString& current )
{
  m_dlg->_current->setText( current );
  kapp->processEvents();
}

void  FilterInfo::setCurrent( int percent )
{
  m_dlg->_done_current->setProgress( percent );
  kapp->processEvents(); // Be careful - back & finish buttons disabled, so only user event that can happen is cancel/close button
}

void  FilterInfo::setOverall( int percent )
{
  m_dlg->_done_overall->setProgress( percent );
}

void FilterInfo::addLog( const TQString& log )
{
  m_dlg->_log->insertItem( log );
  m_dlg->_log->setCurrentItem( m_dlg->_log->count() - 1 );
  m_dlg->_log->centerCurrentItem();
  kapp->processEvents();
}

void FilterInfo::clear()
{
  m_dlg->_log->clear();
  setCurrent();
  setOverall();
  setCurrent( TQString() );
  setFrom( TQString() );
  setTo( TQString() );
}

void FilterInfo::alert( const TQString& message )
{
  KMessageBox::information( m_parent, message );
}

void FilterInfo::terminateASAP()
{
  s_terminateASAP = true;
}

bool FilterInfo::shouldTerminate()
{
  return s_terminateASAP;
}

//////////////////////////////////////////////////////////////////////////////////
//
// The generic filter class
//
//////////////////////////////////////////////////////////////////////////////////


Filter::Filter( const TQString& name, const TQString& author,
                const TQString& info )
  : m_name( name ),
    m_author( author ),
    m_info( info )
{
    //public
    count_duplicates = 0;
}

bool Filter::addMessage( FilterInfo* info, const TQString& folderName,
                         const TQString& msgPath, const TQString &  msgStatusFlags)
{
  KURL msgURL;
  msgURL.setPath( msgPath );

  if ( !kapp->dcopClient()->isApplicationRegistered( "kmail" ) )
    TDEApplication::startServiceByDesktopName( "kmail", TQString() ); // Will wait until kmail is started

  DCOPReply reply = DCOPRef( "kmail", "KMailIface" ).call( "dcopAddMessage", folderName, msgURL, msgStatusFlags );

  if ( !reply.isValid() )
  {
    info->alert( i18n( "<b>Fatal:</b> Unable to start KMail for DCOP communication. "
                       "Make sure <i>kmail</i> is installed." ) );
    return false;
  }

  switch ( int( reply ) )
  {
    case -1:
      info->alert( i18n( "Cannot make folder %1 in KMail" ).arg( folderName ) );
      return false;
    case -2:
      info->alert( i18n( "Cannot add message to folder %1 in KMail" ).arg( folderName ) );
      return false;
    case -4:
      count_duplicates++;
      return false;
    case 0:
      info->alert( i18n( "Error while adding message to folder %1 in KMail" ).arg( folderName ) );
      return false;
  }
  return true;
}

bool Filter::addMessage_fastImport( FilterInfo* info, const TQString& folderName,
                         	        const TQString& msgPath, const TQString& msgStatusFlags )
{
  KURL msgURL;
  msgURL.setPath( msgPath );

  if ( !kapp->dcopClient()->isApplicationRegistered( "kmail" ) )
    TDEApplication::startServiceByDesktopName( "kmail", TQString() ); // Will wait until kmail is started

  DCOPReply reply = DCOPRef( "kmail", "KMailIface" ).call( "dcopAddMessage_fastImport", folderName, msgURL, msgStatusFlags );
  if ( !reply.isValid() )
  {
    info->alert( i18n( "<b>Fatal:</b> Unable to start KMail for DCOP communication. "
                       "Make sure <i>kmail</i> is installed." ) );
    return false;
  }

  switch ( int( reply ) )
  {
    case -1:
      info->alert( i18n( "Cannot make folder %1 in KMail" ).arg( folderName ) );
      return false;
    case -2:
      info->alert( i18n( "Cannot add message to folder %1 in KMail" ).arg( folderName ) );
      return false;
    case 0:
      info->alert( i18n( "Error while adding message to folder %1 in KMail" ).arg( folderName ) );
      return false;
  }
  return true;
}

void Filter::showKMailImportArchiveDialog( FilterInfo* info )
{
  if ( !kapp->dcopClient()->isApplicationRegistered( "kmail" ) )
    TDEApplication::startServiceByDesktopName( "kmail", TQString() ); // Will wait until kmail is started

  DCOPReply reply = DCOPRef( "kmail", "KMailIface" ).call( "showImportArchiveDialog" );
  if ( !reply.isValid() )
  {
    info->alert( i18n( "<b>Fatal:</b> Unable to start KMail for DCOP communication. "
                       "Make sure <i>kmail</i> is installed." ) );
  }
}

bool Filter::needsSecondPage()
{
  return true;
}