import Link from "next/link";
import { headers } from "next/headers";
import { redirect } from "next/navigation";
import { ContentCard, EmptyState } from "@/components/public/ui";
import { issueSsoTicket } from "@/lib/auth/sso-ticket";
import { buildNitroClientUrl } from "@/lib/services/clients";
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 = (await siteSettings.get("hotel_name", "Atom")) ?? "Atom";

  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 Nitro client at {nitro_path}.
  const ticket = await issueSsoTicket(prisma, userId, hotelName, ip);
  const src = await buildNitroClientUrl(ticket);

  return (
    <main style={{ display: "grid", gap: "1.5rem" }}>
      <ContentCard
        icon="🏨"
        title={`Launching ${hotelName}…`}
        subtitle="Your single sign-on ticket is ready"
        action={
          <Link href="/client/flash" className="btn btn-outline">
            Use Flash client
          </Link>
        }
      />

      {src ? (
        <ContentCard padded={false}>
          <iframe
            title="Hotel client"
            src={src}
            style={{ width: "100%", height: "85vh", border: 0, borderRadius: 10, display: "block" }}
          />
        </ContentCard>
      ) : (
        <ContentCard icon="🔌" title="No client configured" subtitle="Set nitro_path in settings">
          <EmptyState icon="🔌">
            No Nitro client configured — set <code>nitro_path</code> (e.g.{" "}
            <code>/Nitro-V3/dist</code>) in the admin settings. SSO ticket issued for this session:{" "}
            <code>{ticket}</code>
          </EmptyState>
        </ContentCard>
      )}
    </main>
  );
}