import { ClaimRequiredDocumentType } from "src/Types&Enums/claim-request-management/required-document-type.enum";

const REQUIRED_VALUES = new Set<string>(
  Object.values(ClaimRequiredDocumentType),
);

/**
 * Non-canonical document keys that may still appear on stored
 * `evaluation.damageExpertResend.resendDocuments` → {@link ClaimRequiredDocumentType}.
 */
const RESEND_DOCUMENT_KEY_ALIASES = {
  // existing entries
  nationalCertificate: ClaimRequiredDocumentType.NATIONAL_CARD,
  NationalCertificate: ClaimRequiredDocumentType.NATIONAL_CARD,
  national_card: ClaimRequiredDocumentType.NATIONAL_CARD, // ← add
  drivingLicense: ClaimRequiredDocumentType.DAMAGED_DRIVING_LICENSE_FRONT,
  DrivingLicense: ClaimRequiredDocumentType.DAMAGED_DRIVING_LICENSE_FRONT,
  driving_license: ClaimRequiredDocumentType.DAMAGED_DRIVING_LICENSE_FRONT, // ← add
  carGreenCard: ClaimRequiredDocumentType.CAR_GREEN_CARD,
  CarGreenCard: ClaimRequiredDocumentType.CAR_GREEN_CARD,
  car_green_card: ClaimRequiredDocumentType.CAR_GREEN_CARD, // ← add (redundant but safe)
  carCertificate: ClaimRequiredDocumentType.DAMAGED_CAR_CARD_FRONT,
  CarCertificate: ClaimRequiredDocumentType.DAMAGED_CAR_CARD_FRONT,
  car_certificate: ClaimRequiredDocumentType.CAR_CERTIFICATE, // ← add
  plate: ClaimRequiredDocumentType.DAMAGED_METAL_PLATE,
  carPlate: ClaimRequiredDocumentType.DAMAGED_METAL_PLATE,
  CarPlate: ClaimRequiredDocumentType.DAMAGED_METAL_PLATE,
  // capture-phase docs — already in REQUIRED_VALUES so these are just safety nets
  damaged_chassis_number: ClaimRequiredDocumentType.DAMAGED_CHASSIS_NUMBER,
  damaged_engine_photo: ClaimRequiredDocumentType.DAMAGED_ENGINE_PHOTO,
  damaged_metal_plate: ClaimRequiredDocumentType.DAMAGED_METAL_PLATE,
};

/** Normalize a single key to a {@link ClaimRequiredDocumentType} value, or null if unknown. */
export function canonicalizeResendDocumentKey(
  raw: string,
): ClaimRequiredDocumentType | null {
  const t = String(raw || "").trim();
  if (!t) return null;
  if (REQUIRED_VALUES.has(t)) return t as ClaimRequiredDocumentType;
  return RESEND_DOCUMENT_KEY_ALIASES[t] ?? null;
}