/**
 * User status fetcher (kind 30315, NIP-38)
 */

import { nostrClient } from '../nostr/applesauce-client.js';
import { config } from '../nostr/config.js';
import type { NostrEvent } from '../../types/nostr.js';

/**
 * Parse user status from kind 30315 event
 */
export function parseUserStatus(event: NostrEvent): string | null {
  if (event.kind !== 30315) return null;

  // Check for d tag with value "general"
  const dTag = event.tags.find((t) => t[0] === 'd' && t[1] === 'general');
  if (!dTag) return null;

  return event.content || null;
}

/**
 * Fetch user status for a pubkey
 */
export async function fetchUserStatus(
  pubkey: string,
  relays?: string[]
): Promise<string | null> {
  const relayList = relays || [
    ...config.defaultRelays,
    ...config.profileRelays
  ];

  const events = await nostrClient.fetchEvents(
    [
      {
        kinds: [30315],
        authors: [pubkey],
        '#d': ['general'],
        limit: 1
      } as any // NIP-38 uses #d tag for parameterized replaceable events
    ],
    relayList,
    { useCache: true, cacheResults: true }
  );

  if (events.length === 0) return null;

  return parseUserStatus(events[0]);
}