const INVOICE_AMOUNT_EVIDENCE_STATUS = Object.freeze({
  verified: "verified",
  manualReview: "manual_review",
  ocrFailed: "ocr_failed",
});

function resolveInvoiceAmountEvidence({
  totalAmount,
  ocrAttempts,
  ocrLastRequestedAt,
  ocrCompletedAt,
  ocrLastError,
}) {
  if (totalAmount != null) {
    return INVOICE_AMOUNT_EVIDENCE_STATUS.verified;
  }

  const hasOcrExecutionEvidence =
    Number(ocrAttempts ?? 0) > 0 ||
    ocrLastRequestedAt != null ||
    ocrCompletedAt != null ||
    (typeof ocrLastError === "string" && ocrLastError.trim().length > 0);

  return hasOcrExecutionEvidence
    ? INVOICE_AMOUNT_EVIDENCE_STATUS.ocrFailed
    : INVOICE_AMOUNT_EVIDENCE_STATUS.manualReview;
}

module.exports = {
  INVOICE_AMOUNT_EVIDENCE_STATUS,
  resolveInvoiceAmountEvidence,
};