const { Observe, currentFacet, genUuid } = require("@syndicate-lang/core");
const S = activate require("@syndicate-lang/driver-streams-node");
const M = activate require("@syndicate-lang/driver-mdns");

spawn named 'test' {
  const label = (new Date()).toJSON().replace(/\./g, '-');
  // ^ I declare defeat. None of the underlying DNS and mDNS support
  // libraries support fully-general DNS labels. In particular, labels
  // with dots in them cause trouble. I tried to fix the underlying
  // problem, but the changes required are just too much. So instead,
  // I'm avoiding a perfectly reasonable use of DNS. This is why we
  // can't have nice things.
  const svc = M.Service(label, '_syndicate._tcp');
  assert M.Publish(svc, null, 8001, {});

  during M.Discovered(M.Service($name, '_syndicate._tcp'),
                      $hostName,
                      $port,
                      $txtDataRecords,
                      $address)
  {
    on start console.log('+', name, hostName, port, txtDataRecords, address);
    on stop  console.log('-', name, hostName, port, txtDataRecords, address);
  }

  during M.Discovered(M.Service($n, $t), $h, $p, $d, $a) {
    if (t !== '_syndicate._tcp') {
      on start console.log('**', t, n, h, p, d, a);
      on stop  console.log('==', t, n, h, p, d, a);
    }
  }
}