UI

export function AdminPage(): ReactNode {
  const copy = copyFor(useLocale());
  const settings = useSettings();
  const navigate = useNavigate();
  const toast = useToast();
  const pick = useResourcePicker();
  const saveFeatured = useAction('save_featured');
  const heading = String(settings.heading ?? copy.heading);
  const [picked, setPicked] = useState('');

  return (
    <Card className='offer-panel rounded-theme bg-surface text-foreground p-4'>
      <Stack>
        <Heading>{heading}</Heading>
        <Text>{copy.adminIntro}</Text>
        <TextField label={copy.featuredLabel} value={picked} onChange={setPicked} />
        <Inline>
          <Button
            label={copy.pickProducts}
            onPress={async () => {
              const ids = await pick('product', true);
              if (ids === null) return;
              setPicked(ids.join(','));
              await toast('success', copy.pickedToast);
            }}
          />
          <Button
            label={copy.save}
            onPress={async () => {
              const productIds = picked
                .split(',')
                .map((value) => value.trim())
                .filter((value) => value.length > 0);
              await saveFeatured({
                productIds,
                expectedVersion: 0,
                idempotencyKey: crypto.randomUUID(),
              });
              await toast('success', copy.savedToast);
            }}
          />
          <Button
            label={copy.openPage}
            onPress={() => navigate({ kind: 'app_page', pageId: RECOMMENDATIONS_PAGE })}
          />
        </Inline>
      </Stack>
    </Card>
  );
}

export function AdminProduct(): ReactNode {
  const copy = copyFor(useLocale());
  const selected = useSelectedEntity();
  const navigate = useNavigate();
  if (selected.status !== 'ready' || selected.entity.kind !== 'product') {
    return <Text>{copy.unavailable}</Text>;
  }
  return (
    <Card className='rounded-theme bg-surface text-foreground p-4'>
      <Stack>
        <Heading>{selected.entity.product.title}</Heading>
        <Button
          label={copy.openSettings}
          onPress={() => navigate({ kind: 'app_page', pageId: RECOMMENDATIONS_PAGE })}
        />
      </Stack>
    </Card>
  );
}

export function StorefrontProduct(): ReactNode {
  const copy = copyFor(useLocale());
  const settings = useSettings();
  const theme = useTheme();
  const cart = useCart();
  const toast = useToast();
  const host = useStorefrontContext();
  const recommend = useAction('recommend');
  const heading = String(settings.heading ?? copy.alsoLike);
  const storeName = theme?.settings?.store_name;
  const [contextLabel, setContextLabel] = useState(copy.alsoLike);

  useEffect(() => {
    void host.read().then(async (context) => {
      if (context.kind === 'product') setContextLabel(context.product.title);
      const suggestion = await recommend({
        productId: context.kind === 'product' ? context.product.id : null,
      });
      const title = z.object({ title: z.string().min(1) }).safeParse(suggestion);
      if (title.success) setContextLabel(title.data.title);
    });
  }, [host, recommend]);

  return (
    <Card className='offer-panel rounded-theme bg-surface text-foreground p-4'>
      <Stack>
        <Heading className='font-display'>{heading}</Heading>
        <Text>{z.string().min(1).safeParse(storeName).data ?? contextLabel}</Text>
        <Button
          label={copy.addToCart}
          className='bg-primary text-on-primary'
          onPress={async () => {
            const parsed = VariantId.safeParse(settings.variant_id);
            if (!parsed.success) {
              await toast.show({ tone: 'warning', message: copy.cartRejected });
              return;
            }
            const reply = await cart.add({ variantId: parsed.data, quantity: 1 });
            if (reply.status === 'ok') {
              await toast.show({ tone: 'success', message: copy.added });
              return;
            }
            await toast.show({ tone: 'warning', message: copy.cartRejected });
          }}
        />
      </Stack>
    </Card>
  );
}

{
  "heading": "Recommendations",
  "adminIntro": "Pick catalog products, then save. Native workers cannot call your origin; useAction save_featured relays to your backend.",
  "featuredLabel": "Featured product ids",
  "pickProducts": "Pick products",
  "save": "Save",
  "savedToast": "Featured products saved.",
  "pickedToast": "Products selected.",
  "openPage": "Open app page",
  "unavailable": "No product is selected.",
  "openSettings": "Open recommendations",
  "alsoLike": "You may also like",
  "addToCart": "Add to cart",
  "added": "Added to cart.",
  "cartRejected": "The cart could not add that variant.",
  "emailLabel": "Email",
  "subscribe": "Subscribe",
  "invalidEmail": "Enter a valid email address.",
  "subscribed": "Subscription captured.",
  "pageIntro": "This storefront app page is /apps/recommendations from storefrontPages slug recommendations.",
  "shopProducts": "Browse products",
  "footerHelp": "Footer capture stays on this mount. It does not call /apps-api/v1."
}

export function copyFor(locale: string): CopyTable {
  const table = locale.toLowerCase().startsWith('hu') ? hu : en;
  return CopyTable.parse(table);
}