/**
 * Proves chat `senderPk` must be the **Noise** `socket.publicKey` (32 B), not
 * `swarm.keyPair.publicKey` — the peer's `remotePublicKey` matches the other
 * side's `publicKey` on the same connection, not the DHT key pair.
 */
import Hyperswarm from 'hyperswarm'
import b4a from 'b4a'
import { topicKey } from 'bare-os-protocol/constants.js'

const topic = topicKey()
const a = new Hyperswarm()
const b = new Hyperswarm()

const aKey = a.keyPair.publicKey
const bKey = b.keyPair.publicKey
let aSock = null
let bSock = null

a.on('connection', (s) => {
  aSock = s
  check()
})
b.on('connection', (s) => {
  bSock = s
  check()
})

function check() {
  if (!aSock || !bSock) return
  const remoteB = b4a.equals(aSock.remotePublicKey, bKey)
  const remoteA = b4a.equals(bSock.remotePublicKey, aKey)
  console.log(
    'DHT keyPair.pub === peer remotePk ?',
    ' A.remote vs B.dht:',
    remoteB,
    ' B.remote vs A.dht:',
    remoteA
  )
  console.log(
    'Noise wire identity (correct for chat senderPk):'
  )
  console.log(
    '  B.remotePk === A.socket.publicKey',
    b4a.equals(bSock.remotePublicKey, aSock.publicKey)
  )
  console.log(
    '  A.remotePk === B.socket.publicKey',
    b4a.equals(aSock.remotePublicKey, bSock.publicKey)
  )
}

b.join(topic)
await new Promise((r) => setTimeout(r, 400))
a.join(topic)

await new Promise((r) => setTimeout(r, 12000))

if (!aSock || !bSock) {
  console.error('FAIL: missing connection within timeout (NAT/firewall?)')
  process.exitCode = 1
}

await a.destroy()
await b.destroy()