socket-server.js

const { Server } = require("socket.io");

let io;

const FRONTEND_URL = process.env.FRONTEND_URL || "http://localhost:3000";
const corsOptions =
  process.env.NODE_ENV === "production"
    ? {
        origin: FRONTEND_URL,
        credentials: true,
      }
    : {
        cors: "*",
      };

const initSocketServer = (server) => {
  try {
    io = new Server(server, corsOptions);

    io.on("connection", (socket) => {
      console.log(`🔗 User ${socket.id} connected to sockets`);

      socket.on("disconnect", () => {
        console.log(`🔗 User ${socket.id} disconnected from sockets`);
      });

      // Define event handlers here...
    });
  } catch (error) {
    console.error("❌ Error initializing socket server:");
    console.error(error);
  }
};

module.exports = initSocketServer;