server.js

const express = require("express");
const http = require("http");
const cors = require("cors");
const mongoose = require("mongoose");
const dotenv = require("dotenv");
const path = require("path");

// include dotenv
dotenv.config();
const socketServer = require("./socketServer");
const authRoutes = require("./routes/authRoutes");
const friendInvitationRoutes = require("./routes/friendInvitationRoutes");

const PORT = process.env.PORT || parseInt(process.env.API_PORT);

const app = express();
app.use(express.json());
app.use(cors());

// Register the routes
app.use("/api/auth", authRoutes);
app.use("/api/friend-invitation", friendInvitationRoutes);

// Using http.createserver instead app.listen for socket.io
const server = http.createServer(app);
socketServer.registerSocketServer(server);

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

mongoose
  .connect(process.env.MONGO_URI)
  .then(() => {
    server.listen(PORT, () => {
      console.log(`Server is listening on port ${PORT}`);
    });
  })
  .catch((err) => {
    console.log("Database connection failed. Server not started");
    console.log(err);
  });