import { NPool, NRelay1 } from "@nostrify/nostrify";
import config from "./config.ts";

export interface NEvent {
  content: string;
  created_at: number;
  id: string;
  kind: number;
  pubkey: string;
  sig: string;
  tags: Array<[string, string, string?]>;
}

const relayPool = new NPool({
  open: (url) => new NRelay1(url),
  reqRouter: async (filters) => new Map(
    config.relay_urls.map(url => [ url, filters ])
  )
});

export async function fetchReplaceableEvent(
  pubkey: string,
  identifier: string,
) {
  let events = await relayPool.query([{
    authors: [pubkey],
    kinds: [30023],
    "#d": [identifier],
    limit: 1,
  }]);

  if (events.length > 0) {
    return events[0];
  } else {
    events = await relayPool.query([{
      authors: [pubkey],
      kinds: [30024],
      "#d": [identifier],
      limit: 1,
    }]);

    return events.length > 0 ? events[0] : null;
  }
}

export async function fetchArticlesByAuthor(pubkey: string) {
  const events = await relayPool.query([{
    authors: [pubkey],
    kinds: [30023],
    limit: 10,
  }]);

  return events;
}

export async function fetchProfileEvent(pubkey: string) {
  const events = await relayPool.query([{
    authors: [pubkey],
    kinds: [0],
    limit: 1,
  }]);

  return events.length > 0 ? events[0] : null;
}