/*
    Copyright (c) 2011 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 "akstandarddirs.h"
#include "akapplication.h"

#include <libs/xdgbasedirs_p.h>

#include <QFile>

using namespace Akonadi;

QString AkStandardDirs::configFile( const QString &configFile, Akonadi::XdgBaseDirs::FileAccessMode openMode )
{
  const QString savePath = AkStandardDirs::saveDir( "config" ) + QLatin1Char( '/' ) + configFile;

  if ( openMode == XdgBaseDirs::WriteOnly ) {
    return savePath;
  }

  QString path = XdgBaseDirs::findResourceFile( "config", QLatin1String( "akonadi/" ) + configFile );
  // HACK: when using instance namespaces, ignore the non-namespaced file
  if ( AkApplication::hasInstanceIdentifier() && path.startsWith( XdgBaseDirs::homePath( "config" ) ) ) {
    path.clear();
  }

  if ( path.isEmpty() ) {
    return savePath;
  } else if ( openMode == XdgBaseDirs::ReadOnly || path == savePath ) {
    return path;
  }

  // file found in system paths and mode is ReadWrite, thus
  // we copy to the home path location and return this path
  QFile systemFile( path );

  systemFile.copy( savePath );

  return savePath;
}

QString AkStandardDirs::serverConfigFile( XdgBaseDirs::FileAccessMode openMode )
{
  return configFile( QLatin1String( "akonadiserverrc" ), openMode );
}

QString AkStandardDirs::connectionConfigFile( XdgBaseDirs::FileAccessMode openMode )
{
  return configFile( QLatin1String( "akonadiconnectionrc" ), openMode );
}

QString AkStandardDirs::agentConfigFile( XdgBaseDirs::FileAccessMode openMode )
{
  return configFile( QLatin1String( "agentsrc" ), openMode );
}

QString AkStandardDirs::saveDir( const char *resource, const QString &relPath )
{
  QString fullRelPath = QLatin1String( "akonadi" );
  if ( AkApplication::hasInstanceIdentifier() ) {
    fullRelPath += QLatin1String( "/instance/" ) + AkApplication::instanceIdentifier();
  }
  if ( !relPath.isEmpty() ) {
    fullRelPath += QLatin1Char( '/' ) + relPath;
  }
  return XdgBaseDirs::saveDir( resource, fullRelPath );
}