import { requireAuthenticatedSession } from '@/lib/server/auth-session';
import { getStoreSnapshot } from '@/lib/server/store';

export async function GET() {
  const { session, response } = await requireAuthenticatedSession();
  if (response) {
    return response;
  }

  const userId = session.user.id;
  const snapshot = await getStoreSnapshot();
  const insight = snapshot.insights
    .filter((entry) => entry.user_id === userId)
    .slice()
    .sort((a, b) => Date.parse(b.created_at) - Date.parse(a.created_at))[0] ?? null;

  return Response.json({ insight });
}