server.js

const express = require('express');
const colors = require('colors');
const path = require('path');
const cloudinary = require('cloudinary');
const dotenv = require('dotenv');
const app = express();

const cors = require('cors');
const cookieParser = require('cookie-parser');
const fileUpload = require('express-fileupload');
const userRouter = require('./routes/userRouter');
const serviceRouter = require('./routes/serviceRouter');
const orderRouter = require('./routes/orderRouter');
const cartRouter = require('./routes/cartRouter');
const paymentRouter = require('./routes/paymentRouter');
const ConnectDB = require('./config/db');

const ErrorMiddleWare = require('./middleware/errors');

//path for working with the directories

// require("dotenv").config({ path: "backend/config/config.env" });

dotenv.config({ path: './config/config.env' });

ConnectDB(); //connecting to the database

cloudinary.config({
  cloud_name: process.env.CLOUDINARY_NAME,
  api_key: process.env.CLOUDINARY_API_KEY,
  api_secret: process.env.CLOUDINARY_SECRET,
});

//middleware for parsing the json to javascript objects //the data is in string {name: "suporl",age: 20} and by parsing the json data  we are converting it to javascript obj.  ..so now const obj = {name: ...,age:...} ,andlater can be used as console.log(obj.name)

//and when sending data to the server like this we have to pass it as string and not object ..use json.stringify() then

//use json body parser for post method  \||/

app.use(express.json({ limit: '50mb' })); //to be able to use res.status.json we nee do declare the app.use(express.json())  //this is a middleware which we need when doing req.body.amount or req.body.text //before to parse it would be bodyparser.json() but now it is available out of the box

//urlencoded({ extended: true }) - middleware for parsing bodies from URL. ..

//acceptts the utf-8 encoding of the body..later a new body  object containing the parsed data is populated on the request obj suppose req.body

app.use(express.urlencoded({ limit: '50mb', extended: true })); //body parser is deprecated and now has been added out of the box

app.use(cookieParser()); //parses cookie header and populates req.cookies //parses the incoming cookies and transform into objectt so we can read and use it

app.use(fileUpload());
const allowedOrigins = [
  'https://hirestation.vercel.app',
  'http://localhost:3000',
];
app.use(
  //with cors we can pass the cookies and data back and forth!!
  cors({
    origin: allowedOrigins, //cors is cross platform to connect with the front end
    credentials: true, //with this we can pass the cookie from the server to the browser
  })
);

//our  routes in here  //or middlewares

app.use('/auth', userRouter);

app.use('/services', serviceRouter);

app.use('/order', orderRouter);

app.use('/cart', cartRouter);

app.use('/payment', paymentRouter);

//middleware to handle the errors //this runs when the next is passed above
app.use(ErrorMiddleWare);

//connect to the PORT from the config.env and if there is any type of of error user 5000 as a port

const PORT = process.env.PORT || 5000;

//listen to the port

// const server =
app.listen(
  PORT,
  console.log(
    `RUNNING SERVER IN ${process.env.NODE_ENV} Mode in PORT ${process.env.PORT}`
      .yellow.bold
  )
);

//Handle the unhandled Promise Rejections  //to be done later

// process.on("unhandledRejection", (err) => {
//   console.log(`error: ${err.message}`);
//   console.log(`shutting down the server due to unHandled promise Rejection`);
//   server.close(() => {
//     process.exit(1);
//   });
// });