/*
    Copyright (c) 2009 Volker Krause <vkrause@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 "loadpage.h"
#include "global.h"
#include <kassistantdialog.h>
#include <kconfig.h>
#include <kconfiggroup.h>
#include <kross/core/action.h>
#include <klocale.h>
#include <QtCore/qfile.h>

LoadPage::LoadPage(KAssistantDialog* parent) :
  Page( parent ),
  m_action( 0 )
{
  ui.setupUi( this );
  setValid( false );
}

void LoadPage::enterPageNext()
{
  setValid( false );
  // FIXME: deletion seems to delete the exported objects as well, killing the entire wizard...
  //delete m_action;
  m_action = 0;
  emit aboutToStart();

  const KConfig f( Global::assistant() );
  KConfigGroup grp( &f, "Wizard" );
  const QString scriptFile = grp.readEntry( "Script", QString() );
  if ( scriptFile.isEmpty() ) {
    ui.statusLabel->setText( i18n( "No script specified in '%1'.", Global::assistant() ) );
    return;
  }
  if ( !QFile::exists( Global::assistantBasePath() + scriptFile ) ) {
    ui.statusLabel->setText( i18n( "Unable to load assistant: File '%1' does not exist.", Global::assistantBasePath() + scriptFile ) );
    return;
  }
  ui.statusLabel->setText( i18n( "Loading script '%1'...", Global::assistantBasePath() + scriptFile ) );

  m_action = new Kross::Action( this, QLatin1String("AccountWizard") );
  typedef QPair<QObject*, QString> ObjectStringPair;
  foreach ( const ObjectStringPair &exportedObject, m_exportedObjects )
    m_action->addQObject( exportedObject.first, exportedObject.second );

  if ( !m_action->setFile( Global::assistantBasePath() + scriptFile ) ) {
    ui.statusLabel->setText( i18n( "Failed to load script: '%1'.", m_action->errorMessage() ) );
    return;
  }

  KConfigGroup grpTranslate( &f, "Translate" );
  const QString poFileName = grpTranslate.readEntry( "Filename" );
  if ( !poFileName.isEmpty() )
    KGlobal::locale()->insertCatalog( poFileName );

  m_action->trigger();

  m_parent->next();
}

void LoadPage::enterPageBack()
{
  // TODO: if we are the first page, call enterPageNext(), hm, can we get here then at all?
  m_parent->back();
}

void LoadPage::exportObject(QObject* object, const QString& name)
{
  m_exportedObjects.push_back( qMakePair( object, name ) );
}