import { mediaMode } from '../config';
import { MediasoupSfuService } from './mediasoup';
import { NoopSfuService } from './noop';
import type { SfuService } from './types';

const sfuEngine = (process.env.MEDIA_SFU_ENGINE ?? 'mediasoup').trim().toLowerCase();

const createSfuService = (): SfuService | null => {
  if (mediaMode !== 'single_server_sfu') {
    return null;
  }

  if (sfuEngine === 'noop') {
    return new NoopSfuService();
  }

  return new MediasoupSfuService();
};

export const sfuService = createSfuService();