server.js

import path, { dirname } from 'path'
import { fileURLToPath } from 'url'
import http from 'http'
import express from 'express'
import socketio from 'socket.io'
import morgan from 'morgan'
import colors from 'colors' //eslint-disable-line
import cookieParser from 'cookie-parser'
import mongoSanitize from 'express-mongo-sanitize'
import helmet from 'helmet'
import xss from 'xss-clean'
import rateLimit from 'express-rate-limit'
import hpp from 'hpp'
import cors from 'cors'

// Load env vars
import './utils/env.js'

// socket configuration
import WebSockets from './utils/webSockets.js'

import errorHandler from './middleware/error.js'
// DB configuration
import connectDB from './config/db.js'

// Route files

import users from './routes/users.js'
import doctors from './routes/doctors.js'
import reviews from './routes/reviews.js'
import appointments from './routes/appointments.js'
import labs from './routes/labs.js'
import homeTests from './routes/homeTests.js'
import schedules from './routes/schedules.js'
import chats from './routes/chats.js'
const __dirname = dirname(fileURLToPath(import.meta.url))

// Connect to database
connectDB()

const app = express()

// Body parser
app.use(express.json())

// Cookie parser
app.use(cookieParser())

// Dev logging middleware
if (process.env.NODE_ENV === 'development') {
  app.use(morgan('dev'))
}

// File uploading
// app.use(fileupload());

// Sanitize data
app.use(mongoSanitize())

// Set security headers
app.use(helmet())

// Prevent XSS attacks
app.use(xss())

// Rate limiting
const limiter = rateLimit({
  windowMs: 10 * 60 * 1000, // 10 mins
  max: 100
})
app.use(limiter)

// Prevent http param pollution
app.use(hpp())

// Enable CORS
app.use(cors())

// Set static folder
app.use(express.static(path.join(__dirname, 'public')))

// Mount routers

app.use('/api/v1/users', users)
app.use('/api/v1/doctors', doctors)
app.use('/api/v1/reviews', reviews)
app.use('/api/v1/appointments', appointments)
app.use('/api/v1/labs', labs)
app.use('/api/v1/homeTests', homeTests)
app.use('/api/v1/schedules', schedules)
app.use('/api/v1/chats', chats)

app.use(errorHandler)

const PORT = process.env.PORT || 5000

const server = http.createServer(app)

/** Create socket connection */
global.io = socketio.listen(server)
global.io.on('connection', WebSockets.connection)

server.listen(
  PORT,
  console.log(
    `Server running in ${process.env.NODE_ENV} mode on port ${PORT}`.yellow.bold
  )
)

// Handle unhandled promise rejections
process.on('unhandledRejection', (err, promise) => {
  console.log(`Error: ${err.message}`.red)
  // Close server & exit process
  // server.close(() => process.exit(1));
})