import { formatEuro } from "./vouchers";

function formatDatum(d: string | Date): string {
  if (typeof d === "string") return d;
  return d.toLocaleDateString("de-DE", { day: "2-digit", month: "2-digit", year: "numeric" });
}

export function buildReminderText(v: { name: string; restCents: number; ablaufdatum: string | Date }): string {
  return `Gutschein "${v.name}" läuft am ${formatDatum(v.ablaufdatum)} ab. Restguthaben: ${formatEuro(v.restCents)}.`;
}