#ifndef FESA_ELEMENTS_MITC4_DRILLING_MODE_H_
#define FESA_ELEMENTS_MITC4_DRILLING_MODE_H_

namespace fesa {

/// @brief Identifies the immutable numerical MITC4 drilling formulation.
enum class Mitc4DrillingMode { kDirectSpring, kLegacyCorotatedTwist };

/// @brief Returns the stable storage name of a supported drilling formulation.
constexpr const char* Mitc4DrillingModeName(Mitc4DrillingMode mode) noexcept {
  switch (mode) {
    case Mitc4DrillingMode::kDirectSpring:
      return "direct-initial-director-spring";
    case Mitc4DrillingMode::kLegacyCorotatedTwist:
      return "legacy-corotated-twist";
  }
  return "";
}

namespace mitc4_drilling_internal {
struct TestAccess;
}  // namespace mitc4_drilling_internal

}  // namespace fesa

#endif  // FESA_ELEMENTS_MITC4_DRILLING_MODE_H_