server.js

import express from "express";
import bodyParser from "body-parser";
import cors from "cors";
import router from "./routes/routes.js";
import { Connection } from "./database/db.js";
import cookieParser from "cookie-parser";
import {Server} from "socket.io"
const port = process.env.PORT || 8000;
const app = express();

app.use(bodyParser.urlencoded({extended: true}));
app.use(bodyParser.json());
app.use(
    cors({
      origin: ["http://localhost:3000"],
      credentials: true,
    })
  );
app.use("/",router);
Connection();

app.get("/" , (req , res) => {
    return res.send("Hello!");
});

const server = app.listen(port , () => {
    console.log(`Server is running at ${port}`);
})

///////////////////////////////////////////////////////////////////////////////////////
// socket

const io = new Server(server,{
  cors:{
    origin: ["http://localhost:3000"],
    // credentials: true,
  }
})

io.on("connection",(socket)=>{
  console.log("Connected");
  
  socket.on("setup" , ({sender}) => {
    // console.log(sender);
    socket.join(sender._id);
    console.log(`${sender.name} joined room : ${sender._id}`);
  })
  
  socket.on("getappointment" , ({id,userData}) => {
    // console.log(userData.name);
    socket.in(id).emit("appointmentreq" , {patient : userData});
  })
  
  socket.on("acceptreq" , ({info , pid , did , name}) => {
    // console.log(info , `Request Accepted for ${pid} by ${did}`);
    socket.in(pid).emit("reqaccept" , {info , pid , did , name});
  })
  
  socket.on("deletereq", ({id}) => {
    // console.log(`Request Declined for ${id}`);
    socket.in(id).emit("reqdelete" , {});
  })
  
  // socket.on("callUser" , ({pid , signalData ,did}) => {
  //   // console.log(`${name} is calling`,userToCall);
  //   socket.in(pid).emit("userCall" , {pid , signalData , did});
  // })

  // socket.on("joinPatient" , ({data, did}) => {
  //   // console.log(data);
  //   socket.in(did).emit("patientJoin" , {data});
  // })

  socket.emit("me", socket.id);

  socket.on("callUser", ({ userToCall, signalData, from, name }) => {
    console.log("server")
		io.to(userToCall).emit("callUser", { signal: signalData, from, name });
	});

	socket.on("answerCall", (data) => {
		io.to(data.to).emit("callAccepted", data.signal)
	});
	
  socket.on("cameraOff",({isOff,data})=>{
    io.to(data).emit("cameraOff",{isOff,data});
  })
  
  socket.on("disconnect",() => {
    console.log("Disconnected");
    socket.broadcast.emit("callEnded");
  })
});