disclosure-bureau/web/app/layout.tsx

import type { Metadata } from "next";
import { JetBrains_Mono, Inter, Fraunces } from "next/font/google";
import "./globals.css";
import { CommandPalette } from "@/components/command-palette";
import { getLocale } from "@/components/locale-toggle";

const inter = Inter({ subsets: ["latin"], variable: "--font-sans" });
const mono = JetBrains_Mono({ subsets: ["latin"], variable: "--font-mono" });
const fraunces = Fraunces({
  subsets: ["latin"],
  variable: "--font-display",
  // No explicit `weight` → next/font treats this as a variable font and
  // exposes the full weight range via CSS. `axes` requires variable mode.
  axes: ["SOFT", "WONK"],
});

const SITE_URL = process.env.NEXT_PUBLIC_SITE_URL ?? "https://disclosure.top";

// Site-wide metadata is locale-aware: title, description, OG, twitter, html
// lang and openGraph.locale must all switch when the cookie toggles. Static
// `export const metadata` is resolved without cookies, so the title would
// stay pinned to whichever language built the page. generateMetadata() runs
// per request and can read the cookie via getLocale().
export async function generateMetadata(): Promise<Metadata> {
  const locale = await getLocale();
  const t = locale === "en"
    ? {
        title: "The Disclosure Bureau — declassified UAP/UFO",
        template: "%s · The Disclosure Bureau",
        desc: "122 declassified US Department of War documents on UAP/UFO. " +
              "Pilots, officers and physicists describe what they saw. Sightings, " +
              "witnesses, catalogued craft — the open files of disclosure.",
        og_desc: "122 declassified documents. Pilots, officers, physicists describe what they saw.",
        tw_desc: "Declassified UAP/UFO files, narrated from the public record.",
        ogLocale: "en_US",
        altLocale: "pt_BR",
      }
    : {
        title: "The Disclosure Bureau — UAP/UFO desclassificado",
        template: "%s · The Disclosure Bureau",
        desc: "122 documentos desclassificados do Departamento de Guerra dos EUA sobre UAP/UFO. " +
              "Pilotos, oficiais e físicos relatam o que viram. Avistamentos, testemunhas, " +
              "objetos catalogados — arquivos abertos da divulgação.",
        og_desc: "122 documentos desclassificados. Pilotos, oficiais, físicos relatam o que viram.",
        tw_desc: "Arquivos UAP/UFO desclassificados, narrados a partir do registro público.",
        ogLocale: "pt_BR",
        altLocale: "en_US",
      };

  return {
    metadataBase: new URL(SITE_URL),
    title: { default: t.title, template: t.template },
    description: t.desc,
    keywords: [
      "UAP", "UFO", "ovni", "desclassificado", "war.gov", "Pentagon",
      "Kenneth Arnold", "Mantell", "green fireballs", "Sandia",
      "Project Blue Book", "Robertson Panel", "AATIP",
      "documentos desclassificados", "avistamento", "testemunha",
      "disclosure", "divulgação UFO",
    ],
    authors: [{ name: "The Disclosure Bureau" }],
    openGraph: {
      type: "website",
      siteName: "The Disclosure Bureau",
      title: t.title,
      description: t.og_desc,
      locale: t.ogLocale,
      alternateLocale: [t.altLocale],
      url: SITE_URL,
      images: [{
        url: `${SITE_URL}/api/static/processing/case-art/green-fireballs-narrative.png`,
        width: 2000, height: 1125,
        alt: t.title,
      }],
    },
    twitter: {
      card: "summary_large_image",
      title: "The Disclosure Bureau",
      description: t.tw_desc,
      images: [`${SITE_URL}/api/static/processing/case-art/green-fireballs-narrative.png`],
    },
    alternates: {
      canonical: "/",
      languages: { "pt-BR": "/", "en-US": "/" },
    },
    robots: {
      index: true,
      follow: true,
      googleBot: {
        index: true,
        follow: true,
        "max-image-preview": "large",
        "max-snippet": -1,
      },
    },
    other: {
      "ai:purpose":
        "Public, citation-linked archive of declassified UAP/UFO documents from the US Department of War. Each case file is grounded in primary-source memos with verbatim quotes and bbox-cropped imagery.",
      "ai:license": "Documents are US Government works in the public domain; site narrative © Disclosure Bureau, CC-BY 4.0.",
    },
  };
}

export default async function RootLayout({ children }: { children: React.ReactNode }) {
  const locale = await getLocale();
  return (
    <html lang={locale === "en" ? "en" : "pt-BR"} className="dark" data-locale={locale}>
      <head>
        {/* JSON-LD: organization-level schema. Per-page Article/Event schemas
            are added in their own routes. */}
        <script
          type="application/ld+json"
          dangerouslySetInnerHTML={{ __html: JSON.stringify({
            "@context": "https://schema.org",
            "@type": "Organization",
            name: "The Disclosure Bureau",
            url: SITE_URL,
            description:
              "Public archive of declassified UAP/UFO documents from the US Department of War, " +
              "with narrated case files grounded in primary sources.",
            sameAs: [],
          }) }}
        />
      </head>
      <body className={`${inter.variable} ${mono.variable} ${fraunces.variable}`}>
        <a href="#main" className="skip-link">
          {locale === "en" ? "Skip to content" : "Pular para o conteúdo"}
        </a>
        {children}
        <CommandPalette />
      </body>
    </html>
  );
}