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

const { ldap, ldapEnabled } = config;

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

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

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

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

    pubkey = searchEntries[0]?.nostrKey;
  } catch (ex) {
    log(ex, "red");
  } finally {
    await client.unbind();
  }

  return pubkey;
}

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

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

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

    username = searchEntries[0]?.cn;
  } catch (ex) {
    log(ex, "red");
  } finally {
    await client.unbind();
  }

  return username;
}