/*
 * UserListRequestHandler.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 "UserListRequestHandler.h"
#include "../UserBackend.h"
#include <Common/Logger.h>
#include <Net/Connection.h>
#include <Net/Packets/ErrorPacket.h>
#include <Net/Packets/UserListPacket.h>

namespace Mad {
namespace Core {
namespace RequestHandlers {

void UserListRequestHandler::handlePacket(Net::Connection *con, const Net::Packet &packet) {
  if(packet.getType() != Net::Packet::USERS_LIST) {
    Common::Logger::log(Common::Logger::ERROR, "Received an unexpected packet.");
    connection->send(Net::Packets::ErrorPacket(Net::Packet::ERROR, packet.getRequestId(), Common::Exception(Common::Exception::UNEXPECTED_PACKET)));

    signalFinished().emit();
    return;
  }

  // TODO Require authentication

  connection = con;
  requestId = packet.getRequestId();

  if(!UserBackend::getUserList(sigc::mem_fun(this, &UserListRequestHandler::userListHandler))) {
    con->send(Net::Packets::ErrorPacket(Net::Packet::ERROR, packet.getRequestId(), Common::Exception(Common::Exception::NOT_IMPLEMENTED)));
    signalFinished().emit();
  }
}

void UserListRequestHandler::userListHandler(const std::map<unsigned long, Common::UserInfo> &info) {
  std::vector<Common::UserInfo> userList;

  for(std::map<unsigned long, Common::UserInfo>::const_iterator user = info.begin(); user != info.end(); ++user)
    userList.push_back(user->second);

  connection->send(Net::Packets::UserListPacket(Net::Packet::OK, requestId, userList));
  signalFinished().emit();
}

}
}
}