const { SocketSignalWebsocketClient } = require('socket-signal-websocket')

// you can define multiple server urls for fallback reconnections
const client = new SocketSignalWebsocketClient([
  'ws://localhost:4000',
  'ws://localhost:4001',
  'ws://localhost:4002'
], {
  heartbeat: {
    interval: 10 * 1000,
    timeout: 5 * 1000
  },
  simpleWebsocket: {}, // https://github.com/feross/simple-websocket options
  reconnectingWebsocket: {}, // https://github.com/pladaria/reconnecting-websocket options
  simplePeer: {} // https://github.com/feross/simple-peer options
})

;(async () => {
  await client.open()

  client.onIncomingPeer(async (peer) => {
    if (validPeer(peer)) return
    throw new Error('invalid peer')
  })

  const peersForThatTopic = await client.join(topic)

  const remotePeer = client.connect(topic, peersForThatTopic[0])

  try {
    await remotePeer.ready()
    // SimplePeer connected
  } catch(err) {
    // SimplePeer rejected
  }
})()