import { headers } from "next/headers";
import { redirect } from "next/navigation";
import { issueSsoTicket } from "@/lib/auth/sso-ticket";
import { auth } from "@/lib/auth";
import { prisma } from "@/lib/prisma";
import { siteSettings } from "@/lib/services/site-settings";

export const dynamic = "force-dynamic";

export default async function ClientPage() {
  const session = await auth();
  if (!session?.user?.id) redirect("/login");

  const userId = Number(session.user.id);
  const [hotelName, clientUrl] = await Promise.all([
    siteSettings.get("hotel_name", "Atom"),
    siteSettings.get("nitro_client_url", ""),
  ]);

  const hdrs = await headers();
  const ip =
    hdrs.get("x-forwarded-for")?.split(",")[0]?.trim() ?? hdrs.get("x-real-ip") ?? "0.0.0.0";

  // Faithful to AtomCMS's NitroController: issue (and persist) the SSO ticket on
  // the launcher render, then hand it to the client.
  const ticket = await issueSsoTicket(prisma, userId, hotelName ?? "Atom", ip);

  const src = clientUrl
    ? `${clientUrl}${clientUrl.includes("?") ? "&" : "?"}sso=${encodeURIComponent(ticket)}`
    : "";

  return (
    <main>
      <h1>Launching {hotelName ?? "Atom"}…</h1>
      {src ? (
        <iframe
          title="Hotel client"
          src={src}
          style={{ width: "100%", height: "80vh", border: 0, borderRadius: 10 }}
        />
      ) : (
        <p className="muted">
          No client URL configured (set <code>nitro_client_url</code> in settings). SSO ticket
          issued for this session: <code>{ticket}</code>
        </p>
      )}
    </main>
  );
}