/*
    This file is part of libkresources.

    Copyright (c) 2002 Tobias Koenig <tokoe@kde.org>
    Copyright (c) 2002 Jan-Pascal van Best <janpascal@vanbest.org>
    Copyright (c) 2003 Cornelius Schumacher <schumacher@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., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.
*/

#include <kdebug.h>
#include <klocale.h>
#include <ksimpleconfig.h>
#include <kstandarddirs.h>
#include <kstaticdeleter.h>

#include <qfile.h>

#include <plugins/file/resourcefile.h>
#include <plugins/file/resourcefileconfig.h>
#include <plugins/dir/resourcedir.h>
#include <plugins/dir/resourcedirconfig.h>
//#include <plugins/ldap/resourceldap.h>
//#include <plugins/ldap/resourceldapconfig.h>


#include "resource.h"
#include "factory.h"

using namespace KRES;

QDict<Factory> *Factory::mSelves = 0;
static KStaticDeleter< QDict<Factory> > staticDeleter;

Factory *Factory::self( const QString& resourceFamily )
{
  kdDebug(5650) << "Factory::self()" << endl;

  Factory *factory = 0;
  if ( !mSelves )
  {
    mSelves = staticDeleter.setObject( new QDict<Factory> );
  }

  factory = mSelves->find( resourceFamily );

  if ( !factory ) {
    factory = new Factory( resourceFamily );
    mSelves->insert( resourceFamily, factory );
  } 

  return factory;
}

Factory::Factory( const QString& resourceFamily ) :
  mResourceFamily( resourceFamily )
{
//US so far we have three types available for resourceFamily "contact"
// and that are "file", "dir", "ldap"
/*US  
  
  KTrader::OfferList plugins = KTrader::self()->query( "KResources/Plugin", QString( "[X-KDE-ResourceFamily] == '%1'" )
                                                .arg( resourceFamily ) );
  KTrader::OfferList::ConstIterator it;
  for ( it = plugins.begin(); it != plugins.end(); ++it ) {
    QVariant type = (*it)->property( "X-KDE-ResourceType" );
    if ( !type.toString().isEmpty() )
      mTypeMap.insert( type.toString(), *it );
  }
*/  

//US !!!!!!!!!!!!!!!
  KRES::PluginFactoryBase* pf = (KRES::PluginFactoryBase*)new KRES::PluginFactory<KABC::ResourceFile,KABC::ResourceFileConfig>();
  mTypeMap.insert( "file", pf );

  pf = (KRES::PluginFactoryBase*)new KRES::PluginFactory<KABC::ResourceDir,KABC::ResourceDirConfig>();
  mTypeMap.insert( "dir", pf );
  /*
  pf = (KRES::PluginFactoryBase*)new KRES::PluginFactory<KABC::ResourceLDAP,KABC::ResourceLDAPConfig>();
  mTypeMap.insert( "ldap", pf );
  */
}

Factory::~Factory()
{
}

QStringList Factory::typeNames() const
{
//US method QMap::keys() not available yet. SO collect the data manually
//US return mTypeMap.keys();
  
  QStringList result;
  
  QMap<QString, PluginFactoryBase*>::ConstIterator it;
  for( it = mTypeMap.begin(); it != mTypeMap.end(); ++it ) {
    result << it.key().latin1();
//    qDebug("Factory::typeNames() : %s ", it.key().latin1());

  }
  return result;
}

ConfigWidget *Factory::configWidget( const QString& type, QWidget *parent )
{
  if ( type.isEmpty() || !mTypeMap.contains( type ) )
    return 0;

/*US load the lib not dynamically. !!  
  KService::Ptr ptr = mTypeMap[ type ];
  KLibFactory *factory = KLibLoader::self()->factory( ptr->library().latin1() );
  if ( !factory ) {
    kdDebug() << "KRES::Factory::configWidget(): Factory creation failed" << endl;
    return 0;
  }
*/
  PluginFactoryBase *factory = mTypeMap[ type ];
  if ( !factory ) {
    kdDebug() << "KRES::Factory::configWidget(): Factory creation failed" << endl;
    return 0;
  }


  PluginFactoryBase *pluginFactory = static_cast<PluginFactoryBase *>( factory );

  if ( !pluginFactory ) {
    kdDebug() << "KRES::Factory::configWidget(): no plugin factory." << endl;
    return 0;
  }

  ConfigWidget *wdg = pluginFactory->configWidget( parent );
  if ( !wdg ) {
//US    kdDebug() << "'" << ptr->library() << "' is not a " + mResourceFamily + " plugin." << endl;
    kdDebug() << " is not a " + mResourceFamily + " plugin." << endl;
    return 0;
  }
  return wdg;
 
}

QString Factory::typeName( const QString &type ) const
{
  if ( type.isEmpty() || !mTypeMap.contains( type ) )
    return QString();
    
//US  KService::Ptr ptr = mTypeMap[ type ];
//US  return ptr->name();
//US I guess this is correct since we loaded the factory staticly.
  return type;
  
}

QString Factory::typeDescription( const QString &type ) const
{
  if ( type.isEmpty() || !mTypeMap.contains( type ) )
    return QString();

//US  KService::Ptr ptr = mTypeMap[ type ];
//US  return ptr->comment();
//US I guess this is correct since we loaded the factory staticly.
  return type;

}

Resource *Factory::resource( const QString& type, const KConfig *config )
{
  kdDebug() << "Factory::resource( " << type << ", config)" << endl;

  if ( type.isEmpty() || !mTypeMap.contains( type ) )
    return 0;

/*US load the lib not dynamicly. !!  
  KService::Ptr ptr = mTypeMap[ type ];
  KLibFactory *factory = KLibLoader::self()->factory( ptr->library().latin1() );
  if ( !factory ) {
    kdDebug() << "KRES::Factory::resource(): Factory creation failed" << endl;
    return 0;
  }
*/
  PluginFactoryBase *factory = mTypeMap[ type ];
  if ( !factory ) {
    kdDebug() << "KRES::Factory::resource(): Factory creation failed" << endl;
    return 0;
  }
  
  PluginFactoryBase *pluginFactory = static_cast<PluginFactoryBase *>( factory );

  if ( !pluginFactory ) {
    kdDebug() << "KRES::Factory::resource(): no plugin factory." << endl;
    return 0;
  }
  
  Resource *resource = pluginFactory->resource( config );
  if ( !resource ) {  
//US    kdDebug() << "'" << ptr->library() << "' is not a " + mResourceFamily + " plugin." << endl;
    kdDebug() << " is not a " + mResourceFamily + " plugin." << endl;
    return 0;
  }

  resource->setType( type );
  
  return resource;
}