const zmq = require('zeromq');
const uuid = require('uuid');

/**
 * Publish simple message to server to notify service is ready.
 */
async function startup(){
  const pub = new zmq.Publisher();
  await pub.connect("tcp://127.0.0.1:36541");

  const msg = {
    id: uuid.v4(),
    topic: "news",
    message_type: "Data",
    data: { content: "GGS Ready!" },
    timestamp: Math.floor(Date.now() / 1000)
  };

  await pub.send(["news", JSON.stringify(msg)]);

  console.log("startup send!")
  pub.close();
}


module.exports = {
  startup
};