import { Client } from "ldapts";
import config from "./config.ts";

const { ldap, ldapEnabled } = config;

let client: Client;
if (ldapEnabled) {
  client = new Client({ url: ldap.url as string });
}

export async function lookupPubkeyByUsername(username: string) {
  let pubkey;

  try {
    await client.bind(ldap.bindDN as string, ldap.password as string);

    const { searchEntries } = await client.search(ldap.searchDN as string, {
      filter: `(cn=${username})`,
      attributes: ["nostrKey"],
    });

    pubkey = searchEntries[0]?.nostrKey as string;
  } catch (e) {
    console.error(e);
  } finally {
    await client.unbind();
  }

  return pubkey;
}

export async function lookupUsernameByPubkey(pubkey: string) {
  let username;

  try {
    await client.bind(ldap.bindDN as string, ldap.password as string);

    const { searchEntries } = await client.search(ldap.searchDN as string, {
      filter: `(nostrKey=${pubkey})`,
      attributes: ["cn"],
    });

    username = searchEntries[0]?.cn;
  } catch (e) {
    console.error(e);
  } finally {
    await client.unbind();
  }

  return username;
}