import { BufferReader } from '@node-dlc/bufio';

import { AddressIPv6 } from '../../domain/AddressIPv6';
import { ipv6StringFromBuffer } from './ipv6StringFromBuffer';

/**
 * Deserializes an IPv6 address from a reader and
 * returns an instance of an IPv6 Address.
 */
export function deserializeIPv6(reader: BufferReader): AddressIPv6 {
  const hostBytes = reader.readBytes(16);
  const port = reader.readUInt16BE();
  const host = ipv6StringFromBuffer(hostBytes);
  return new AddressIPv6(host, port);
}