Phoenix Chael sending messages from a client outside the project

I wanted to send a message to my user chael of my Phoenix Application. I have joined a user_token with the chael as users:user_token in the user_chael.ex . I was successful doing it from another controller called the toy_controller by calling a broadcast method. The broadcast method is in the user chael. And I have written a jQuery file to handle the events. I was looking for something which can send messages to the same chael from outside of the project, because I wanted to do some IoT stuff. I have tried a python module called occamy.socket and the JS client of Phoenix that it uses inteally. Then, I found a discoection always. I can't figure out the exact address of the websocket coection from Phoenix. If I am trying it with that Phoenix npm library in that project folder itself, it says ReferenceError: window is not defined always. And, I think it is because of the initialization part of the socket in the web/static/js/socket.js file where it's written as

let socket = new Socket("/socket", {params: {token: window.userToken}})                              

, but I am not sure. The thing that I have tried is below

var Socket = require("phoenix-socket").Socket;
var socket = new Socket("ws://localhost:4000/socket");

In the python client, I was also trying to coect to this address and got a discoection error. I want to do it for IoT purposes, where I want to monitor sensor data of a user. Each user will be having their own sensors to be monitored. So, I have configured the chael topic:subtopic chael as users:user_token . I need to send messages from my raspberry pi to this chael using those unique tokens of the users. My user_chael, user.js, app.js and socket.js

//web/static/js/socket.js
import {Socket} from "phoenix"

let socket = new Socket("/socket", {params: {token: window.userToken}})


socket.coect()


export default socket

//web/static/app.js


import "phoenix_html"
import user from "./user"

files are given below.

#web/chaels/user_chael.ex
defmodule Tworit.UserChael do
    use Tworit.Web, :chael

    def join("users:" <> user_token, payload, socket) do
        if authorized?(payload) do
          {:ok, "Joined To User:#{user_token}", socket}
      else
          {:error, %{reason: "unauthorized"}}
      end
    end


    def handle_in("ping", payload, socket) do
        {:reply, {:ok, payload}, socket}
    end


    def handle_in("shout", payload, socket) do
       broadcast socket, "shout", payload
       {:noreply, socket}
    end


    def handle_out(event, payload, socket) do
        push socket, event, payload
        {:noreply, socket}
    end


     defp authorized?(_payload) do
       true
     end

    def broadcast_change(toy, current_user) do
       payload = %{
        "name" => toy.name,
        "body" => toy.body
       }
      Tworit.Endpoint.broadcast("users:#{current_user.token}", "change", payload)
    end

end

//web/static/js/user.js
import socket from "./socket"

$(function() {
  let ul = $("ul#em")

  if (ul.length) {
    var token = ul.data("id")
    var topic = "users:" + token
                
    // Join the topic
    let chael = socket.chael(topic, {})
    chael.join()
      .receive("ok", data => {
        console.log("Joined topic", topic)
      })
      .receive("error", resp => {
        console.log("Unable to join topic", topic)
      })
    chael.on("change", toy => {
            console.log("Change:", toy);
            $("#message").append(toy["name"])
    })
  }
});