const UUID_RE = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;

/** Bill tokens are UUID v4 from the tablet. */
export function isUuid(value: string): boolean {
  return UUID_RE.test(value);
}

/**
 * Row ids are UUID v4, except shop_settings which the tablet seeds as "default".
 * CHAR(36) and a tight charset. Values are still bound as parameters.
 */
const ROW_ID_RE = /^[0-9a-zA-Z_-]{1,36}$/;

export function isRowId(value: string): boolean {
  return ROW_ID_RE.test(value);
}