shoc-frontend-new/src/domain/work-orders/utils/work-order-media-limits.ts

/** Backend RequestSizeLimit for media and completion-doc uploads. */
export const MAX_WORK_ORDER_MEDIA_BYTES = 30 * 1024 * 1024;

const ALLOWED_MIME_TYPES = new Set(["image/jpeg", "image/png", "video/mp4", "video/quicktime"]);

const ALLOWED_EXTENSIONS = new Set([".jpg", ".jpeg", ".png", ".mp4", ".mov"]);

export function isWorkOrderFileTooLarge(
  file: File,
  maxBytes = MAX_WORK_ORDER_MEDIA_BYTES,
): boolean {
  return file.size > maxBytes;
}

export function isWorkOrderMediaTypeAllowed(file: File): boolean {
  const mimeOk = Boolean(file.type) && ALLOWED_MIME_TYPES.has(file.type.toLowerCase());
  const name = file.name.toLowerCase();
  const dot = name.lastIndexOf(".");
  const ext = dot >= 0 ? name.slice(dot) : "";
  const extOk = ALLOWED_EXTENSIONS.has(ext);
  return mimeOk || extOk;
}

export function workOrderMediaAcceptAttribute(): string {
  return "image/jpeg,image/png,video/mp4,video/quicktime,.jpg,.jpeg,.png,.mp4,.mov";
}

export function formatMediaSizeLimit(maxBytes = MAX_WORK_ORDER_MEDIA_BYTES): string {
  return `${Math.round(maxBytes / (1024 * 1024))} MB`;
}

/** Backend IsReadOnly: Canceled or Completed. */
export function isWorkOrderDocumentsReadOnly(status: string | null | undefined): boolean {
  return status === "Canceled" || status === "Completed";
}

export function canDeleteWorkOrderMedia(media: {
  id: string | number;
  isLegacy?: boolean;
}): boolean {
  if (media.isLegacy) return false;
  const numericId = typeof media.id === "number" ? media.id : Number(media.id);
  return Number.isFinite(numericId) && numericId > 0;
}