import { getUser, type Context, type Next } from "@wrnexus/core";

// Hydrates ctx.user from the session on every request, then guards protected
// routes. `getUser(ctx)` is then available to every downstream page/API route.
export default async function auth(ctx: Context, next: Next) {
  // Populate ctx.user from the session (equivalent to the sessionAuth() helper).
  ctx.user = ctx.session.get("user") ?? null;

  // Protect the dashboard: send anonymous visitors to the login page.
  if (ctx.url.pathname.startsWith("/dashboard") && getUser(ctx) == null) {
    return new Response(null, { status: 302, headers: { Location: "/login?next=/dashboard" } });
  }

  ctx.locals.requestId = crypto.randomUUID();
  return next();
}
