/*
 * NetworkUserBackend.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 "NetworkUserBackend.h"
#include "../RequestManager.h"

namespace Mad {
namespace Common {
namespace Backends {

void NetworkUserBackend::IdUserRequest::sendRequest() {
  Common::XmlPacket packet;
  packet.setType(type);
  packet.set(idType, id);

  sendPacket(packet);
}

void NetworkUserBackend::NameUserRequest::sendRequest() {
  Common::XmlPacket packet;
  packet.setType(type);
  packet.set("name", name);

  sendPacket(packet);
}

boost::shared_ptr<const std::map<unsigned long, UserInfo> > NetworkUserBackend::getUserList() throw(Core::Exception) {
  boost::shared_ptr<SimpleUserRequest> request(new SimpleUserRequest(application, "ListUsers"));
  application->getRequestManager()->sendRequest(connection, request);
  request->wait();

  std::pair<boost::shared_ptr<const XmlPacket>, Core::Exception> result = request->getResult();
  if(!result.first || result.second)
    throw result.second;

  boost::shared_ptr<std::map<unsigned long, UserInfo> > userList(new std::map<unsigned long, UserInfo>);

  const XmlPacket::List *users = result.first->getList("users");
  if(users) {
    for(XmlPacket::List::const_iterator user = users->begin(); user != users->end(); ++user) {
      UserInfo userInfo(user->get<unsigned long>("uid"), user->get<const std::string&>("username"));
      userInfo.setGid(user->get<unsigned long>("gid"));
      userInfo.setFullName(user->get<const std::string&>("fullName"));

      userList->insert(std::make_pair(userInfo.getUid(), userInfo));
    }
  }

  return userList;
}

boost::shared_ptr<const UserInfo> NetworkUserBackend::getUserInfo(unsigned long uid) throw(Core::Exception) {
  boost::shared_ptr<IdUserRequest> request(new IdUserRequest(application, "GetUserInfo", "uid", uid));
  application->getRequestManager()->sendRequest(connection, request);
  request->wait();

  std::pair<boost::shared_ptr<const XmlPacket>, Core::Exception> result = request->getResult();
  if(!result.first || result.second)
    throw result.second;

  boost::shared_ptr<UserInfo> userInfo(new UserInfo(result.first->get<unsigned long>("uid"), result.first->get<const std::string&>("username")));
  userInfo->setGid(result.first->get<unsigned long>("gid"));
  userInfo->setFullName(result.first->get<const std::string&>("fullName"));

  return userInfo;
}

boost::shared_ptr<const UserInfo> NetworkUserBackend::getUserInfoByName(const std::string &name) throw(Core::Exception) {
  boost::shared_ptr<NameUserRequest> request(new NameUserRequest(application, "GetUserInfo", name));
  application->getRequestManager()->sendRequest(connection, request);
  request->wait();

  std::pair<boost::shared_ptr<const XmlPacket>, Core::Exception> result = request->getResult();
  if(!result.first || result.second)
    throw result.second;

  boost::shared_ptr<UserInfo> userInfo(new UserInfo(result.first->get<unsigned long>("uid"), result.first->get<const std::string&>("username")));
  userInfo->setGid(result.first->get<unsigned long>("gid"));
  userInfo->setFullName(result.first->get<const std::string&>("fullName"));

  return userInfo;
}

boost::shared_ptr<const std::set<unsigned long> > NetworkUserBackend::getUserGroupList(unsigned long uid) throw(Core::Exception) {
  boost::shared_ptr<IdUserRequest> request(new IdUserRequest(application, "ListUserGroups", "uid", uid));
  application->getRequestManager()->sendRequest(connection, request);
  request->wait();

  std::pair<boost::shared_ptr<const XmlPacket>, Core::Exception> result = request->getResult();
  if(!result.first || result.second)
    throw result.second;

  boost::shared_ptr<std::set<unsigned long> > groupList(new std::set<unsigned long>);

  const XmlPacket::List *groups = result.first->getList("groups");
  if(groups) {
    for(XmlPacket::List::const_iterator group = groups->begin(); group != groups->end(); ++group)
      groupList->insert(group->get<unsigned long>("gid"));
  }

  return groupList;
}

boost::shared_ptr<const std::map<unsigned long, GroupInfo> > NetworkUserBackend::getGroupList() throw(Core::Exception) {
  boost::shared_ptr<SimpleUserRequest> request(new SimpleUserRequest(application, "ListGroups"));
  application->getRequestManager()->sendRequest(connection, request);
  request->wait();

  std::pair<boost::shared_ptr<const XmlPacket>, Core::Exception> result = request->getResult();
  if(!result.first || result.second)
    throw result.second;

  boost::shared_ptr<std::map<unsigned long, GroupInfo> > groupList(new std::map<unsigned long, GroupInfo>);

  const XmlPacket::List *groups = result.first->getList("groups");
  if(groups) {
    for(XmlPacket::List::const_iterator group = groups->begin(); group != groups->end(); ++group) {
      GroupInfo groupInfo(group->get<unsigned long>("gid"), group->get<const std::string&>("name"));
      groupList->insert(std::make_pair(groupInfo.getGid(), groupInfo));
    }
  }

  return groupList;
}

boost::shared_ptr<const GroupInfo> NetworkUserBackend::getGroupInfo(unsigned long gid) throw(Core::Exception) {
  boost::shared_ptr<IdUserRequest> request(new IdUserRequest(application, "GetGroupInfo", "gid", gid));
  application->getRequestManager()->sendRequest(connection, request);
  request->wait();

  std::pair<boost::shared_ptr<const XmlPacket>, Core::Exception> result = request->getResult();
  if(!result.first || result.second)
    throw result.second;

  boost::shared_ptr<GroupInfo> groupInfo(new GroupInfo(result.first->get<unsigned long>("gid"), result.first->get<const std::string&>("name")));

  return groupInfo;
}

boost::shared_ptr<const GroupInfo> NetworkUserBackend::getGroupInfoByName(const std::string &name) throw(Core::Exception) {
  boost::shared_ptr<NameUserRequest> request(new NameUserRequest(application, "GetGroupInfo", name));
  application->getRequestManager()->sendRequest(connection, request);
  request->wait();

  std::pair<boost::shared_ptr<const XmlPacket>, Core::Exception> result = request->getResult();
  if(!result.first || result.second)
    throw result.second;

  boost::shared_ptr<GroupInfo> groupInfo(new GroupInfo(result.first->get<unsigned long>("gid"), result.first->get<const std::string&>("name")));

  return groupInfo;
}

boost::shared_ptr<const std::set<unsigned long> > NetworkUserBackend::getGroupUserList(unsigned long gid) throw(Core::Exception) {
  boost::shared_ptr<IdUserRequest> request(new IdUserRequest(application, "ListGroupUsers", "gid", gid));
  application->getRequestManager()->sendRequest(connection, request);
  request->wait();

  std::pair<boost::shared_ptr<const XmlPacket>, Core::Exception> result = request->getResult();
  if(!result.first || result.second)
    throw result.second;

  boost::shared_ptr<std::set<unsigned long> > userList(new std::set<unsigned long>);

  const XmlPacket::List *users = result.first->getList("users");
  if(users) {
    for(XmlPacket::List::const_iterator user = users->begin(); user != users->end(); ++user) {
      userList->insert(user->get<unsigned long>("uid"));
    }
  }

  return userList;
}

boost::shared_ptr<const std::multimap<unsigned long, unsigned long> > NetworkUserBackend::getFullUserGroupList() throw(Core::Exception) {
  boost::shared_ptr<SimpleUserRequest> request(new SimpleUserRequest(application, "GetFullUserGroupList"));
  application->getRequestManager()->sendRequest(connection, request);
  request->wait();

  std::pair<boost::shared_ptr<const XmlPacket>, Core::Exception> result = request->getResult();
  if(!result.first || result.second)
    throw result.second;

  boost::shared_ptr<std::multimap<unsigned long, unsigned long> > ret(new std::multimap<unsigned long, unsigned long>);

  const XmlPacket::List *list = result.first->getList("userGroupList");
  if(list) {
    for(XmlPacket::List::const_iterator entry = list->begin(); entry != list->end(); ++entry)
      ret->insert(std::make_pair(entry->get<unsigned long>("uid"), entry->get<unsigned long>("gid")));
  }

  return ret;
}


/*void NetworkUserBackend::setPassword(unsigned long uid, const std::string &password) throw(Core::Exception) {

}*/


/*void NetworkUserBackend::addUser(const UserInfo &userInfo) throw(Core::Exception) {

}*/

}
}
}