import type { PublicCampFacts } from "@/lib/camp";
import { appUrl } from "@/lib/env";
import type { PublicPricing } from "@/lib/public-page";

/**
 * Strukturierte Veranstaltungsdaten (schema.org/Event) — nur, wenn Termin,
 * Ort und Veranstalter bestaetigt sind und der Live-Verkauf laeuft.
 * Unbestaetigte Angaben erscheinen nie in Suchmaschinen.
 */
export function EventJsonLd({ facts, pricing }: { facts: PublicCampFacts; pricing: PublicPricing }) {
  if (!facts.startDate || !facts.location || !facts.organizer || pricing.mode !== "live" || !pricing.checkoutOpen || pricing.currentCents === null) {
    return null;
  }
  const data = {
    "@context": "https://schema.org",
    "@type": "Event",
    name: "ARTISTA MODELCAMP 2027",
    startDate: facts.startDate,
    ...(facts.endDate ? { endDate: facts.endDate } : {}),
    eventAttendanceMode: "https://schema.org/OfflineEventAttendanceMode",
    eventStatus: "https://schema.org/EventScheduled",
    location: { "@type": "Place", name: facts.location, address: { "@type": "PostalAddress", addressCountry: "IT", ...(facts.region ? { addressRegion: facts.region } : {}) } },
    organizer: { "@type": "Organization", name: facts.organizer.name, email: facts.organizer.email },
    offers: {
      "@type": "Offer",
      price: (pricing.currentCents / 100).toFixed(2),
      priceCurrency: "EUR",
      availability: "https://schema.org/InStock",
      url: appUrl("/#preis"),
    },
  };
  // JSON.stringify + Ersetzen von "<" verhindert, dass Inhalte das
  // Script-Element vorzeitig schliessen.
  return <script type="application/ld+json" dangerouslySetInnerHTML={{ __html: JSON.stringify(data).replace(/</g, "\\u003c") }} />;
}