/*
 * @project      The CERN Tape Archive (CTA)
 * @copyright    Copyright © 2021-2022 CERN
 * @license      This program is free software, distributed under the terms of the GNU General Public
 *               Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING". You can
 *               redistribute it and/or modify it under the terms of the GPL Version 3, 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.
 *
 *               In applying this licence, CERN does not waive the privileges and immunities
 *               granted to it by virtue of its status as an Intergovernmental Organization or
 *               submit itself to any jurisdiction.
 */

#pragma once

#include <list>
#include <map>
#include <stdint.h>
#include <string>

namespace cta::common::dataStructures {

/**
 * This struct holds the information about who issued the CTA command and from which host 
 */
struct SecurityIdentity {

  SecurityIdentity();
  
  SecurityIdentity(const std::string& username, const std::string& host);

  SecurityIdentity(const std::string& username, const std::string& host, const std::string& clientHost, const std::string& auth);

  bool operator==(const SecurityIdentity &rhs) const;

  bool operator!=(const SecurityIdentity &rhs) const;

  bool operator<(const SecurityIdentity &rhs) const;

  // Security protocol used to connect
  enum class Protocol { NONE, SSS, KRB5, GRPC_TOKEN, OTHER };
  const std::map<std::string, Protocol> m_authProtoMap = {
    { "sss",        Protocol::SSS  },
    { "krb5",       Protocol::KRB5 },
    { "grpc_token", Protocol::GRPC_TOKEN }
  };

  std::string username;
  std::string host;
  std::string clientHost;
  Protocol authProtocol;
}; // struct SecurityIdentity

std::ostream &operator<<(std::ostream &os, const SecurityIdentity &obj);

} // namespace cta::common::dataStructures