import type { Metadata } from "next";
import { redirect } from "next/navigation";
import { getSession } from "@/lib/session";
import { VerifyEmailView } from "../_components/verify-email-view";

export const metadata: Metadata = {
  title: "Verify your email",
  description: "Confirm your email address to activate your PolyLLM account.",
  robots: { index: false, follow: false },
};

/**
 * Landing page for verification links (`callbackURL=/verify-email`) and for unverified users
 * redirected by `requireUser()`. A successful verification auto-signs the user in, so a verified
 * session here means we can continue straight into the app.
 */
export default async function VerifyEmailPage({ searchParams }: { searchParams: Promise<Record<string, string | string[] | undefined>> }) {
  const params = await searchParams;
  const error = Array.isArray(params.error) ? params.error[0] : params.error;
  const session = await getSession();
  if (session?.user.emailVerified && !error) redirect("/app/chat");

  const fromQuery = Array.isArray(params.email) ? params.email[0] : params.email;
  const email = session?.user.email ?? (typeof fromQuery === "string" ? fromQuery.slice(0, 254) : "");
  return <VerifyEmailView initialEmail={email} errorCode={error && error.length > 0 ? error : null} />;
}