import { useQuery } from '@tanstack/react-query';
import { useNostr } from '@nostrify/react';

/**
 * Hook to fetch a user's follow list (kind 3 event).
 * Returns the latest kind 3 event for the given pubkey.
 */
export function useFollowList(pubkey: string | undefined) {
  const { nostr } = useNostr();

  return useQuery({
    queryKey: ['follow-list', pubkey],
    queryFn: async (c) => {
      if (!pubkey) return null;

      const signal = AbortSignal.any([c.signal, AbortSignal.timeout(5000)]);

      const events = await nostr.query(
        [{ kinds: [3], authors: [pubkey], limit: 1 }],
        { signal }
      );

      return events[0] || null;
    },
    enabled: !!pubkey,
    staleTime: 300000, // 5 minutes
    gcTime: 600000, // 10 minutes
  });
}