/*
 * UserListRequestHandlerGroup.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 Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "UserListRequestHandlerGroup.h"
#include "../UserListManager.h"
#include "../Util.h"

namespace Mad {
namespace Modules {
namespace UserListManager {
namespace RequestHandlers {

void UserListRequestHandlerGroup::handleUserListListRequest(boost::shared_ptr<const Common::XmlData> /*packet*/, Common::XmlData *ret, Common::Connection *connection) {
  if(!connection->isAuthenticated())
    throw(Core::Exception(Core::Exception::PERMISSION));

  const std::set<std::string> &userLists = userListManager->getUserLists();

  ret->setType("OK");
  Common::XmlData::List *list = ret->createList("userLists");

  for(std::set<std::string>::const_iterator userList = userLists.begin(); userList != userLists.end(); ++userList) {
    Common::XmlData::List::iterator entry = list->addEntry();

    entry->set("name", *userList);
  }

}

void UserListRequestHandlerGroup::handleUserListDownloadRequest(boost::shared_ptr<const Common::XmlData> packet, Common::XmlData *ret, Common::Connection *connection) {
  if(!connection->isAuthenticated())
    throw(Core::Exception(Core::Exception::PERMISSION));

  boost::shared_ptr<UserList> userList = userListManager->loadUserList(packet->get<const std::string&>("name"));
  if(!userList)
    throw(Core::Exception(Core::Exception::NOT_FOUND));

  ret->setType("OK");
  Util::serializeUserList(userList.get(), ret);
}

void UserListRequestHandlerGroup::handleUserListRemoveRequest(boost::shared_ptr<const Common::XmlData> packet, Common::XmlData *ret, Common::Connection *connection) {
  if(!connection->isAuthenticated())
    throw(Core::Exception(Core::Exception::PERMISSION));

  userListManager->removeUserList(packet->get<const std::string&>("name"));

  ret->setType("OK");
}


void UserListRequestHandlerGroup::handleUserListDiffListRequest(boost::shared_ptr<const Common::XmlData> /*packet*/, Common::XmlData *ret, Common::Connection *connection) {
  if(!connection->isAuthenticated())
    throw(Core::Exception(Core::Exception::PERMISSION));

  const std::set<std::string> &userListDiffs = userListManager->getUserListDiffs();

  ret->setType("OK");
  Common::XmlData::List *list = ret->createList("userListDiffs");

  for(std::set<std::string>::const_iterator diff = userListDiffs.begin(); diff != userListDiffs.end(); ++diff) {
    Common::XmlData::List::iterator entry = list->addEntry();

    entry->set("name", *diff);
  }

}

void UserListRequestHandlerGroup::handleUserListDiffDownloadRequest(boost::shared_ptr<const Common::XmlData> packet, Common::XmlData *ret, Common::Connection *connection) {
  if(!connection->isAuthenticated())
    throw(Core::Exception(Core::Exception::PERMISSION));

  boost::shared_ptr<UserListDiff> diff = userListManager->loadUserListDiff(packet->get<const std::string&>("name"));
  if(!diff)
    throw(Core::Exception(Core::Exception::NOT_FOUND));

  ret->setType("OK");
  Util::serializeUserListDiff(diff.get(), ret);
}

void UserListRequestHandlerGroup::handleUserListDiffRemoveRequest(boost::shared_ptr<const Common::XmlData> packet, Common::XmlData *ret, Common::Connection *connection) {
  if(!connection->isAuthenticated())
    throw(Core::Exception(Core::Exception::PERMISSION));

  userListManager->removeUserListDiff(packet->get<const std::string&>("name"));

  ret->setType("OK");
}


UserListRequestHandlerGroup::UserListRequestHandlerGroup(Server::Application *application0, UserListManager *userListManager0)
: application(application0), userListManager(userListManager0) {
  registerHandler("ListUserLists", boost::bind(&UserListRequestHandlerGroup::handleUserListListRequest, this, _1, _2, _3));
  registerHandler("DownloadUserList", boost::bind(&UserListRequestHandlerGroup::handleUserListDownloadRequest, this, _1, _2, _3));
  registerHandler("RemoveUserList", boost::bind(&UserListRequestHandlerGroup::handleUserListRemoveRequest, this, _1, _2, _3));

  registerHandler("ListUserListDiffs", boost::bind(&UserListRequestHandlerGroup::handleUserListDiffListRequest, this, _1, _2, _3));
  registerHandler("DownloadUserListDiff", boost::bind(&UserListRequestHandlerGroup::handleUserListDiffDownloadRequest, this, _1, _2, _3));
  registerHandler("RemoveUserListDiff", boost::bind(&UserListRequestHandlerGroup::handleUserListDiffRemoveRequest, this, _1, _2, _3));
}

}
}
}
}