Discounts

const { shop_wide, product_specific } = await shop.getDiscounts();

{
  shop_wide: Discount[];
  product_specific: Discount[];
}

{
  id: string;
  name: string;
  discount_percentage: number;
  applies_to: string;
  product_id: string | null;
  start_date: string;
  end_date: string;
}

const { shop_wide } = await shop.getDiscounts();

if (shop_wide.length > 0) {
  const topDeal = shop_wide[0];
  saleBanner.textContent = `${topDeal.name} — ${topDeal.discount_percentage}% off everything!`;
  saleBanner.style.display = 'block';
}

const { product_specific } = await shop.getDiscounts();

// Build a map of product_id → discount
const discountMap = new Map(
  product_specific.map(d => [d.product_id, d])
);

// Apply to product cards
products.forEach(product => {
  const discount = discountMap.get(product.id);
  if (discount) {
    const badge = document.createElement('span');
    badge.className = 'sale-badge';
    badge.textContent = `${discount.discount_percentage}% OFF`;
    productCard.appendChild(badge);
  }
});