/** GEN.03 VHUD input fields. Do not send ثالث-only keys (DamagedCount, HasOtherCulprit, plaques, …). */
export const FANAVARAN_HULL_BASE_CLAIM_KEYS = [
  "ArchiveNo",
  "AccidentDate",
  "AccidentTime",
  "AnnouncementDate",
  "AccidentLocationAddress",
  "ClaimExpertId",
  "EntryDate",
  "CulpritLicenceNo",
  "CulpritLicenceIssuDate",
  "CulpritLicenceForeignCityName",
  "PoliceReportSeri",
  "PoliceReportSerial",
  "PoliceReportDesc",
  "CustomerFaultPercent",
  "CulpritLevelTwoLicenceIssuDate",
  "ActualPremium",
  "EstimateAmount",
  "TrackingCode",
  "CourtArchiveNo",
  "PlaqueReplacementDate",
  "StatusChangeDate",
  "ClaimCompletionDate",
  "DmgAssessorFirstCreationTime",
  "PolicyId",
  "IsSurplusArticleEighthLaw",
  "AccidentCityId",
  "AccidentCauseId",
  "AccidentTypeId",
  "GlassBreakReasonId",
  "CulpritTypeId",
  "AuthorityCulpritId",
  "AccidentCulpritId",
  "CulpritLicenceTypeId",
  "IsLicenseReplaced",
  "CulpritLicenceCountryId",
  "CulpritLicenceCityId",
  "AccidentReportTypeId",
  "PoliceOfficerId",
  "IsAccidentOutOfBorder",
  "AccidentVehicleUsedId",
  "IsOwnerChanged",
  "CostSeparationToDmgSections",
] as const;

/** GEN.03 default: تصادف(حادثه). Lookup: GET /lookups/vehicle-hull-accident-types */
export const FANAVARAN_DEFAULT_HULL_ACCIDENT_TYPE_ID = 2;

/** GEN.03 ans (0=خیر). Used for CostSeparationToDmgSections, IsOwnerChanged, IsLicenseReplaced. */
export const FANAVARAN_HULL_ANS_NO = 0;

/** GEN.03 hull culprit type when third-party is at fault. Lookup: vehicle-hull-accident-culprit-type */
export const FANAVARAN_DEFAULT_HULL_CULPRIT_TYPE_ID = 301;

/** GEN.03 ActualPremium from GET car/vehicle-hull-policies/{PolicyId} → TotalPremium. */
export function actualPremiumFromHullPolicyRecord(
  policy: Record<string, unknown> | null | undefined,
): number | null {
  if (!policy) return null;
  const raw = policy.TotalPremium ?? policy.totalPremium;
  const n = typeof raw === "number" ? raw : Number(raw);
  return Number.isFinite(n) && n >= 0 ? n : null;
}

/** Fallback AccidentCulpritId when parties inquiry is unavailable. */
export function customerIdFromHullPolicyRecord(
  policy: Record<string, unknown> | null | undefined,
): number | null {
  if (!policy) return null;
  const raw = policy.CustomerId ?? policy.customerId;
  const n = typeof raw === "number" ? raw : Number(raw);
  return Number.isFinite(n) && n > 0 ? n : null;
}

export function toFanavaranHullBaseClaimPayload(
  built: Record<string, unknown>,
): Record<string, unknown> {
  const next: Record<string, unknown> = {};
  for (const key of FANAVARAN_HULL_BASE_CLAIM_KEYS) {
    if (key === "IsLicenseReplaced") {
      next[key] =
        built.IsLicenseReplaced ?? built.IsLicenseReplacement ?? null;
      continue;
    }
    if (key === "AccidentTypeId") {
      next[key] =
        built.AccidentTypeId ?? FANAVARAN_DEFAULT_HULL_ACCIDENT_TYPE_ID;
      continue;
    }
    if (key === "CostSeparationToDmgSections") {
      next[key] =
        built.CostSeparationToDmgSections ?? FANAVARAN_HULL_ANS_NO;
      continue;
    }
    if (key === "IsOwnerChanged") {
      next[key] = built.IsOwnerChanged ?? FANAVARAN_HULL_ANS_NO;
      continue;
    }
    if (key === "CulpritTypeId") {
      const raw = built.CulpritTypeId;
      // ثالث profile default 337 is not in vehicle-hull-accident-culprit-type.
      if (raw == null || raw === 337) {
        next[key] = FANAVARAN_DEFAULT_HULL_CULPRIT_TYPE_ID;
      } else {
        next[key] = raw;
      }
      continue;
    }
    if (key === "CustomerFaultPercent") {
      const culpritType =
        built.CulpritTypeId ?? FANAVARAN_DEFAULT_HULL_CULPRIT_TYPE_ID;
      if (built.CustomerFaultPercent != null) {
        next[key] = built.CustomerFaultPercent;
      } else if (culpritType === 300) {
        next[key] = 100;
      } else {
        next[key] = null;
      }
      continue;
    }
    next[key] = Object.prototype.hasOwnProperty.call(built, key)
      ? built[key]
      : null;
  }
  return next;
}

/** Nested hull files/expertise use GEN.03 `Id` (کد رایانه), never `ClaimNo` (شماره پرونده). */
export function fanavaranHullNestedClaimId(input: {
  Id?: unknown;
  ClaimNo?: unknown;
  claimId?: unknown;
  claimNo?: unknown;
}): number | null {
  const id = input.claimId ?? input.Id;
  if (typeof id === "number" && Number.isFinite(id) && id > 0) return id;
  if (typeof id === "string" && /^\d+$/.test(id.trim())) return Number(id);
  return null;
}