import type { Metadata } from "next";
import { CartContent } from "./components/CartContent";
import { RelatedProducts } from "./components/RelatedProducts";
import { TrustRow } from "../components/TrustRow";
import { Footer } from "../components/Footer";
import { getCartTrustBadges, getShippingMethods, getShippingSettings } from "../lib/payload";

// robots: noindex — transactional page (mirrors a specific shopper's cart
// contents), per the figma-to-nextjs skill's Step 5 guidance: indexing
// this wastes crawl budget and could surface cart state in search results.
export const metadata: Metadata = {
  title: "Warenkorb",
  description: "Dein Warenkorb bei einfach produktiv.",
  robots: {
    index: false,
    follow: true,
  },
};

export default async function CartPage() {
  const [trustBadges, shippingMethods, shipping] = await Promise.all([
    getCartTrustBadges(),
    getShippingMethods(),
    getShippingSettings(),
  ]);

  // The cart doesn't ask which shipping method the shopper wants yet
  // (that's /checkout) — it just estimates using the first active method
  // (Standard, by sortOrder) for the sidebar's "Versand" line, and shows
  // the FreeShippingBanner toward whichever active method's threshold is
  // lowest/easiest to reach (Express has none — it never goes free).
  const defaultShipping = shippingMethods[0] ?? null;
  const thresholds = shippingMethods
    .map((m) => m.freeShippingThreshold)
    .filter((t): t is number => t !== null);
  const freeShippingThreshold = thresholds.length > 0 ? Math.min(...thresholds) : null;

  return (
    <>
      <main className="flex flex-col flex-1 bg-bg-base">
        <CartContent
          trustBadges={trustBadges}
          shippingCost={defaultShipping?.price ?? 0}
          freeShippingThreshold={freeShippingThreshold}
          shippingSettings={shipping}
        />
        <RelatedProducts />
        <TrustRow />
      </main>
      <Footer />
    </>
  );
}
