#!/usr/bin/env node
/**
 * Minimal libp2p bootstrap + pubsub relay.
 * Browsers connect via WSS to this server and form a pubsub mesh for lobby/signaling.
 */
import { createLibp2p } from 'libp2p';
import { tcp } from '@libp2p/tcp';
import { webSockets } from '@libp2p/websockets';
import { noise } from '@chainsafe/libp2p-noise';
import { yamux } from '@chainsafe/libp2p-yamux';
import { mplex } from '@libp2p/mplex';
import { gossipsub } from '@libp2p/gossipsub';

const PORT = Number(process.env.PORT) || 9090;

const node = await createLibp2p({
  addresses: {
    listen: [
      `/ip4/0.0.0.0/tcp/${PORT}`,
      `/ip4/0.0.0.0/tcp/${PORT}/ws`,
    ],
  },
  transports: [tcp(), webSockets()],
  streamMuxers: [yamux(), mplex()],
  connectionEncrypters: [noise()],
  services: {
    pubsub: gossipsub({ allowPublishToZeroTopicPeers: true }),
  },
});

await node.start();
const addrs = node.getMultiaddrs().map((ma) => ma.toString());
console.log('Bombo bootstrap server running');
console.log('Browser: connect to ws://localhost:' + PORT);
console.log('Multiaddrs:', addrs.join(', '));