app.js

const express = require("express");
const mongoose = require("mongoose");
const bodyParser = require("body-parser");
const passport = require("passport");
const app = express();
const db = require("./config/keys").mongoURI;
const users = require("./routes/api/users");
const projects = require("./routes/api/projects");
const tasks = require("./routes/api/tasks");
const messages = require("./routes/api/messages")

const path = require("path");

if (process.env.NODE_ENV === "production") {
  app.use(express.static("frontend/build"));
  app.get("/", (req, res) => {
    res.sendFile(path.resolve(__dirname, "frontend", "build", "index.html"));
  });
}

mongoose
  .connect(db, { useNewUrlParser: true })
  .then(() => console.log("Connected to MongoDB successfully"))
  .catch((err) => console.log(err));

app.use(passport.initialize());
require("./config/passport")(passport);

app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());

app.use("/api/users", users);
app.use("/api/projects", projects);
app.use("/api/tasks", tasks);

const server = require("http").createServer(app);
const socket = require("socket.io");
const io = socket(server, {
  cors: {
    origin: ["http://localhost:3000", "https://mern-task-it.herokuapp.com/"],
  },
});

io.on("connection", (socket) => {
  console.log("Websocket connection made successfully");
  //chat messages
  socket.on("chatMessage", (payload) => {
    console.log("Message received on server: ", payload);
    io.emit("chatMessage", payload);
  });
});

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

// server.listen(3000, () => {
//   console.log("I am listening at port: 3000");
// });

mongoose
  .connect(db, { useNewUrlParser: true })
  .then(() => console.log("Connected to MongoDB successfully"))
  .catch((err) => console.log(err));

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

app.use(passport.initialize());
require("./config/passport")(passport);

app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());

if (process.env.NODE_ENV === "production") {
  app.use(express.static("frontend/build"));
  app.get("/", (req, res) => {
    res.sendFile(path.resolve(__dirname, "frontend", "build", "index.html"));
  });
}

app.use("/api/users", users);
app.use("/api/projects", projects);
app.use("/api/tasks", tasks);
app.use("/api/messages", messages);

const port = process.env.PORT || 4000;
server.listen(port, () => console.log(`Server is running on port ${port}`));