import { createServerClient } from "@supabase/ssr";
import { NextResponse, type NextRequest } from "next/server";

const PROTECTED_PATHS = [
  "/leaderboard",
  "/profile",
  "/admin",
  "/journal",
  "/calendrier",
  "/icare",
  "/char",
  "/mur",
];
// /signup n'est PAS dans AUTH_PATHS : un compte fraîchement invité a déjà une
// session (établie par le lien d'invitation) mais doit pouvoir rester sur
// /signup pour finaliser mot de passe/pseudo/photo sans être renvoyé au
// leaderboard par ce redirect avant d'avoir terminé.
const AUTH_PATHS = ["/login"];

export async function updateSession(request: NextRequest) {
  let response = NextResponse.next({ request });

  const supabase = createServerClient(
    process.env.NEXT_PUBLIC_SUPABASE_URL!,
    process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,
    {
      cookies: {
        getAll() {
          return request.cookies.getAll();
        },
        setAll(cookiesToSet) {
          cookiesToSet.forEach(({ name, value }) => request.cookies.set(name, value));
          response = NextResponse.next({ request });
          cookiesToSet.forEach(({ name, value, options }) =>
            response.cookies.set(name, value, options),
          );
        },
      },
    },
  );

  const {
    data: { user },
  } = await supabase.auth.getUser();

  const { pathname } = request.nextUrl;
  const isProtected = PROTECTED_PATHS.some((path) => pathname.startsWith(path));
  const isAuthPath = AUTH_PATHS.some((path) => pathname.startsWith(path));

  if (!user && isProtected) {
    const url = request.nextUrl.clone();
    url.pathname = "/login";
    return NextResponse.redirect(url);
  }

  if (user && isAuthPath) {
    const url = request.nextUrl.clone();
    url.pathname = "/leaderboard";
    return NextResponse.redirect(url);
  }

  return response;
}