/*
 * GroupListRequestHandler.cpp
 *
 * Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
 *
 * 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "GroupListRequestHandler.h"
#include "../UserManager.h"
#include <Net/Exception.h>
#include <Common/Logger.h>

namespace Mad {
namespace Server {
namespace RequestHandlers {

void GroupListRequestHandler::handlePacket(boost::shared_ptr<const Common::XmlPacket> packet) {
  if(packet->getType() != "ListGroups") {
    Common::Logger::log(Common::Logger::ERROR, "Received an unexpected packet.");

    Common::XmlPacket ret;
    ret.setType("Error");
    ret.add("ErrorCode", Net::Exception::UNEXPECTED_PACKET);

    sendPacket(ret);

    signalFinished();
    return;
  }

  // TODO Require authentication



  Common::XmlPacket ret;

  try {
    boost::shared_ptr<std::map<unsigned long, Common::GroupInfo> > info = UserManager::get()->getGroupList();

    ret.setType("OK");
    ret.addList("groups");

    for(std::map<unsigned long, Common::GroupInfo>::iterator group = info->begin(); group != info->end(); ++group) {
      ret["groups"].addEntry();
      Common::XmlPacket::Entry &entry = ret["groups"].back();

      entry.add("gid", group->second.getGid());
      entry.add("name", group->second.getName());
    }
  }
  catch(Net::Exception e) {
    ret.setType("Error");
    ret.add("ErrorCode", e.getErrorCode());
    ret.add("SubCode", e.getSubCode());
    ret.add("SubSubCode", e.getSubSubCode());
    ret.add("Where", e.getWhere());
  }

  sendPacket(ret);
  signalFinished();
}

}
}
}