server.js

const express = require("express");
const app = express();
const mongoose = require("mongoose");
const dotenv = require("dotenv");
const helmet = require("helmet");
const morgan = require("morgan");
const router = require("./src/Routes/index");
const cors = require("cors");
const { connectSocketIo } = require("./src/socket");


dotenv.config();

const PORT = process.env.PORT || 2001;

const mongoURI = process.env.MONGOURI;
const allowedOrigin = process.env.CORS_ORIGIN.split(",").map(
  (origin) => origin
);

app.use(
  cors({
     origin: allowedOrigin,
  })
);

app.use(express.json());
app.use(helmet());
//app.use(morgan("short"));

async function connectMongoDB() {
  try {
    const { connections } = await mongoose.connect(mongoURI, {
      useNewUrlParser: true,
      useUnifiedTopology: true,
    });

   const server = app.listen(PORT, () => {
      console.log(
        `Server listening @ PORT ${PORT} && MongoDB running @ PORT ${connections[0].port})`
      );
   });
    
    const onlineUsers = {};
    connectSocketIo(server, allowedOrigin, onlineUsers);
    
  } catch (error) {
    console.log("error inside connectMongoDB", error);
  }
}

app.use(express.static(__dirname + '/public'));

app.get("/welcome", (req, res) => {
  console.log("allowed origin", allowedOrigin);
  res.send("Welcome server is running");
});

app.use("/userAuth", router.authUser);
app.use("/follow", router.followUserRouter);
app.use("/post", router.postRouter);
app.use("/user", router.userRouters);
app.use("/chat", router.chatRouter);
app.use("/message", router.messageRouter);
app.use("/notification", router.notificationRouter);
app.use("*", (req, res) => {
  res.status(404).sendFile(__dirname + '/public/NotFoundPage.html');
})

connectMongoDB();