import { isRealWoNumber } from "@/domain/work-orders/utils/wo-closability";

/** Board WO numbers are an 11-digit APM number or an SH placeholder of at most 11 characters. */
export const BOARD_WO_NUMBER_MAX_LENGTH = 11;

export const WO_NUMBER_FORMAT_MESSAGE =
  "Work order number must be 11 digits or an SH number (e.g. SH00001)";

export const WO_NUMBER_DOWNGRADE_MESSAGE =
  "Cannot replace an APM work order number with an internal number";

export function sanitizeBoardWoNumberInput(raw: string): string {
  return raw
    .replace(/[^a-zA-Z0-9]/g, "")
    .toUpperCase()
    .slice(0, BOARD_WO_NUMBER_MAX_LENGTH);
}

export function isProvisionalWoNumber(woNumber: string): boolean {
  return /^SH/i.test(woNumber.trim());
}

export function isValidBoardWoNumber(woNumber: string): boolean {
  return /^\d{11}$/.test(woNumber) || /^SH\d{1,9}$/i.test(woNumber);
}

/**
 * SH-320: only an already-saved real APM number is protected from being replaced by an
 * SH placeholder. A brand-new WO has no saved number, so the rule never applies there.
 */
export function isWoNumberDowngrade(savedWoNumber: string, nextWoNumber: string): boolean {
  return isRealWoNumber(savedWoNumber) && isProvisionalWoNumber(nextWoNumber);
}