server.js

// DO NOT DELETE COMMENTS
//WHole is being converted from commonJS to ESM
"use strict";
//var express = require('express');
//import express
import express from 'express';
import path from 'node:path';

import cors from "cors";
import "./loadEnvironment.mjs";
import "express-async-errors";
import posts from "./routes/posts.mjs";
//import db from "./db/conn.mjs"; //Uncomment-debug if db connection doesn't work


const PORT = process.env.PORT || 5050;
const app = express();


app.use(cors());
app.use(express.json());
//important above code for json to work


const productionDir = path.join(path.resolve(),'frontend/build');
const devDir = path.join(path.resolve(),'frontend/public');

app.use(cors());
app.use(express.static(productionDir)); // for live server use build folder of react frontend
//app.use(express.static(devDir)); // for dev server use public folder of react frontend
//no need for devdir, as devdir is served by create react app's own server

app.get('/', function(req, res) {
  res.send('Hello World');
});


app.use("/posts", posts);



// app.use("/archive", posts);
// app.use("/posts/:id", posts);
// app.use("/create", posts);



// Global error handling
app.use((err, _req, res, next) => {
  res.status(500).send("Uh oh! An unexpected error occured.")
});


//Handles any requests that don't match the ones above
app.get('*', (req,res) => {
    res.sendFile(path.join(path.resolve(),'frontend/build/index.html'));
    //no need for frontend/public folder, that is served by CRA own 3000_port server
});


// start the Express server
app.listen(PORT, () => {
  console.log(`Success! backend server is running on port: ${PORT} \n frontend is working at 3000. Use localhost:3000 for developement work`);
  //get server url by making curl request
});

export default app;
//export PORT
export { PORT };