export const ROLE_PREFIX: Record<string, string> = {
  TECHNICAL: "TCH",
  MANNING: "MAN",
  ACCOUNTS: "ACC",
  MANAGER: "MGR",
  SUPERUSER: "SUP",
  AUDITOR: "AUD",
  ADMIN: "ADM",
};

/** Find max existing number for prefix and return prefix-(max+1), zero-padded to 3 digits */
export function nextId(prefix: string, existingIds: (string | null | undefined)[]): string {
  const re = new RegExp(`^${prefix}-(\\d+)$`, "i");
  let max = 0;
  for (const id of existingIds) {
    if (!id) continue;
    const m = id.match(re);
    if (m) max = Math.max(max, parseInt(m[1], 10));
  }
  return `${prefix}-${String(max + 1).padStart(3, "0")}`;
}