/** Client-only guard so users do not hammer Supabase auth email endpoints. */

const STORAGE_KEY = "yaltopia_forgot_password_cooldown_until";
/** Minimum wait between reset attempts from this browser */
export const RESET_EMAIL_COOLDOWN_MS = 120_000;

export function getResetEmailCooldownRemainingMs(): number {
  if (typeof window === "undefined") return 0;
  const until = Number(localStorage.getItem(STORAGE_KEY) || 0);
  return Math.max(0, until - Date.now());
}

export function startResetEmailCooldown(): void {
  if (typeof window === "undefined") return;
  localStorage.setItem(
    STORAGE_KEY,
    String(Date.now() + RESET_EMAIL_COOLDOWN_MS)
  );
}

export function formatCooldownSeconds(ms: number): number {
  return Math.ceil(ms / 1000);
}