#include "yacppdic/detail/internal/object_identifier.hpp"

#include "yacppdic/detail/internal/hash.hpp"

#include <functional>

namespace yacppdic::internal
{

ObjectIdentifier::ObjectIdentifier(const std::type_info &type_info) noexcept
	: _type_info(type_info)
{
}

ObjectIdentifier::ObjectIdentifier(
	const std::type_info &type_info,
	const std::string_view tag
) noexcept
	: _type_info(type_info), _tag(tag)
{
}

auto ObjectIdentifier::operator==(const ObjectIdentifier &rhs) const noexcept -> bool
{
	return hash() == rhs.hash();
}

auto ObjectIdentifier::hash() const noexcept -> std::size_t
{
	const auto type_hash = _type_info.hash_code();

	return _tag.empty() ? type_hash
						: combine_hashes(type_hash, std::hash<std::string_view>()(_tag));
}

auto ObjectIdentifier::name() const noexcept -> std::string_view
{
	return { _type_info.name() };
}

auto ObjectIdentifier::tag() const noexcept -> std::string_view
{
	return _tag;
}

} // namespace yacppdic::internal