edges: [
  { id: 'e_land', source: 'step_landing', target: 'step_checkout' },
  {
    id: 'e_premium',
    source: 'step_checkout',
    target: 'step_offer_hoodie',
    conditions: { when: { 'mainOrder.totalGreaterThan': { amount: 5000 } }, priority: 10 },
  },
  {
    id: 'e_addon',
    source: 'step_checkout',
    target: 'step_offer_socks',
    conditions: { when: 'always', priority: 1 },
  },
  { id: 'e_premium_done', source: 'step_offer_hoodie', target: 'step_thankyou' },
  { id: 'e_addon_done', source: 'step_offer_socks', target: 'step_thankyou' },
]

// /offer — one route, two possible offers, real signal
export function ValueOffer() {
  const [params] = useSearchParams();
  const orderId = params.get('orderId');
  const { order, isLoading } = useOrder(orderId);

  if (isLoading || !order) return <p>Checking your order total…</p>;

  if (order.amount >= 5000) {
    return (
      <Offer
        offerId={HOODIE_OFFER_ID}
        title="Heavyweight Hoodie — big-cart exclusive"
        priceLabel="$39.00"
        acceptPath="/thank-you"
        declinePath="/thank-you"
      />
    );
  }
  return (
    <Offer
      offerId={SOCKS_OFFER_ID}
      title="Crew Socks — easy add-on"
      priceLabel="$9.00"
      acceptPath="/thank-you"
      declinePath="/thank-you"
    />
  );
}