// General Blossom keeps its existing conservative default. The optional limit
// is explicit operator/package configuration, never an unauthenticated request.
export const DEFAULT_UPLOAD_BYTES = 16 * 1024 * 1024;
export const MAX_UPLOAD_BYTES = 2 * 1024 * 1024 * 1024;

export function uploadLimit(value: string | undefined): number {
  if (value === undefined) return DEFAULT_UPLOAD_BYTES;
  if (!/^[1-9][0-9]{0,9}$/.test(value)) throw new Error('Invalid ARCHY_BLOSSOM_MAX_UPLOAD_BYTES');
  const limit = Number(value);
  if (!Number.isSafeInteger(limit) || limit > MAX_UPLOAD_BYTES) {
    throw new Error('ARCHY_BLOSSOM_MAX_UPLOAD_BYTES exceeds supported maximum');
  }
  return limit;
}