const isNode = typeof window === 'undefined';

export interface RTCPeerConnectionWrapper {
  createPeerConnection: (config?: RTCConfiguration) => RTCPeerConnection;
}

let wrtcImplementation: RTCPeerConnectionWrapper | null = null;

export default async function getWebRTC(): Promise<RTCPeerConnectionWrapper | null> {
  if (!wrtcImplementation) {
    try {
      if (isNode) {
        console.info('getWebRTC(): Initializing Node WebRTC');
        const initializeWRTC = require('./node').default;
        wrtcImplementation = await initializeWRTC();
      } else {
        console.info('getWebRTC(): Initializing Browser WebRTC');
        const initializeWRTC = require('./browser').default;
        wrtcImplementation = await initializeWRTC();
      }
    } catch (error) {
      console.warn('getWebRTC(): WebRTC not available:', error);
      return null;
    }
  }

  return wrtcImplementation;
}