const WebSocket = require("ws");

const wss = new WebSocket.Server({ port: 3000 });

let level = [];

wss.on("connection", (ws) => {
  ws.send(JSON.stringify({ type: "init", level }));

  ws.on("message", (msg) => {
    const data = JSON.parse(msg);

    if (data.type === "add") {
      level.push(data.object);
    }

    wss.clients.forEach(client => {
      if (client.readyState === WebSocket.OPEN) {
        client.send(JSON.stringify(data));
      }
    });
  });
});

console.log("Server running on ws://localhost:3000");