#ifndef THIRD_PARTY_MILOTIC_EXTERNAL_CC_AUTHZ_REDFISH_PRIVILEGES_H_
#define THIRD_PARTY_MILOTIC_EXTERNAL_CC_AUTHZ_REDFISH_PRIVILEGES_H_

#include <initializer_list>
#include <string>
#include <string_view>
#include <unordered_set>

#include "nlohmann/json.hpp"

namespace milotic::authz {
/*
Class to represent redfish privileges.

These directly represent user privileges and help represent entity privileges.

Each incoming request requires a comparison between privileges held by the user
issuing a request and the target entity's privileges
*/
class RedfishPrivileges {
 public:
  // Creating default and initializer list constructor for ease of creation
  RedfishPrivileges() = default;
  RedfishPrivileges(std::initializer_list<std::string> privileges)
      : privileges_(privileges.begin(), privileges.end()) {}
  RedfishPrivileges(const std::unordered_set<std::string>& privileges)
      : privileges_(privileges) {}

  bool IsSupersetOf(const RedfishPrivileges& other) const;
  std::unordered_set<std::string> GetPrivileges() const;
  void InsertPrivilege(std::string_view privilege);
  nlohmann::json::object_t ToJson() const;
  std::string GetDebugString() const;
  bool operator==(const RedfishPrivileges& other) const;

  // go/absl-hash
  template <typename H>
  friend H AbslHashValue(H h, const RedfishPrivileges& p) {
    return H::combine(std::move(h), p.privileges_);
  }

 private:
  std::unordered_set<std::string> privileges_;
};
}  // namespace milotic::authz

#endif  // THIRD_PARTY_MILOTIC_EXTERNAL_CC_AUTHZ_REDFISH_PRIVILEGES_H_