//  Copyright 2020-2021 Herald Project Contributors

//  SPDX-License-Identifier: Apache-2.0

//

#ifndef HERALD_TARGET_IDENTIFIER_H

#define HERALD_TARGET_IDENTIFIER_H

#include "data.h"

#include <string>

#include <memory>

#include <iosfwd>

namespace herald {

namespace datatype {

class TargetIdentifier {

public:

  TargetIdentifier();

  TargetIdentifier(const Data& data);

  TargetIdentifier(const TargetIdentifier& from); // copy ctor

  TargetIdentifier& operator=(const TargetIdentifier& from); // copy assign

  ~TargetIdentifier();

  bool operator==(const TargetIdentifier& other) const noexcept;

  bool operator==(const Data& other) const noexcept;

  bool operator!=(const TargetIdentifier& other) const noexcept;

  bool operator!=(const Data& other) const noexcept;

  bool operator<(const TargetIdentifier& other) const noexcept; // required for std::less

  bool operator>(const TargetIdentifier& other) const noexcept; // required for std::less

  std::size_t hashCode() const;

  operator std::string() const;

  operator Data() const;

  Data underlyingData() const;

private:

  Data value;

};

} // end namespace

} // end namespace

namespace std {

  inline std::ostream& operator<<(std::ostream &os, const herald::datatype::TargetIdentifier& d)

  {

    return os << d.underlyingData().reversed().hexEncodedString();

  }

  template<>

  struct hash<herald::datatype::TargetIdentifier>

  {

    size_t operator()(const herald::datatype::TargetIdentifier& v) const

    {

      return v.hashCode();

    }

  };

} // end namespace

#endif