draconisplusplus/include/rfl/internal/move_field_tuple_to_named_tuple.hpp

#ifndef RFL_INTERNAL_MOVE_FIELD_TUPLE_TO_NAMED_TUPLE_HPP_
#define RFL_INTERNAL_MOVE_FIELD_TUPLE_TO_NAMED_TUPLE_HPP_

#include <tuple>
#include <type_traits>

#include "../Field.hpp"
#include "has_flatten_fields.hpp"
#include "move_and_flatten_field_tuple.hpp"

namespace rfl {
  namespace internal {

    template <class FieldTuple>
    auto move_field_tuple_to_named_tuple(FieldTuple&& _field_tuple) {
      const auto ft_to_nt = []<class... Fields>(Fields&&... _fields) {
        return make_named_tuple(std::move(_fields)...);
      };

      if constexpr (!has_flatten_fields<std::remove_cvref_t<FieldTuple>>()) {
        return std::apply(ft_to_nt, std::move(_field_tuple));
      } else {
        auto flattened_tuple =
            move_and_flatten_field_tuple(std::move(_field_tuple));
        return std::apply(ft_to_nt, std::move(flattened_tuple));
      }
    }

  } // namespace internal
} // namespace rfl

#endif