import type { Metadata } from "next";
import { site } from "./content";
import { siteUrl } from "./env";

export function baseUrl() {
  return siteUrl(site.seo.siteUrl).replace(/\/$/, "");
}

export function pageMetadata(opts: {
  title: string;
  description: string;
  path: string;
  noIndex?: boolean;
}): Metadata {
  const url = `${baseUrl()}${opts.path}`;
  return {
    title: opts.title,
    description: opts.description,
    alternates: { canonical: url },
    openGraph: { title: opts.title, description: opts.description, url, type: "website" },
    robots: opts.noIndex ? { index: false, follow: false } : undefined,
  };
}

/** Données structurées minimales : aucune adresse/avis inventé (champs vides omis). */
export function organizationJsonLd() {
  const data: Record<string, unknown> = {
    "@context": "https://schema.org",
    "@type": "ProfessionalService",
    name: site.brand.name,
    url: baseUrl(),
    description: site.seo.defaultDescription,
    areaServed: site.contact.region || undefined,
    email: site.contact.email || undefined,
    telephone: site.contact.phone || undefined,
    sameAs: site.social.linkedin ? [site.social.linkedin] : undefined,
  };
  return Object.fromEntries(Object.entries(data).filter(([, v]) => v !== undefined));
}