const { createServer } = require('http')
const { parse } = require('url')
const next = require('next') 
const path = require("path"); 

const hostname = 'localhost' 
const dev = process.env.NODE_ENV !== 'production'
const port =  process.env.PORT || 3000;
const app = next({ dev })
const handle = app.getRequestHandler()

app.prepare().then(() => {
  createServer(async (req, res) => {
    try { 
      const parsedUrl = parse(req.url, true)
      const { pathname, query } = parsedUrl
        await handle(req, res, parsedUrl)
  
    } catch (err) {
      console.error('Error occurred handling', req.url, err)
      res.statusCode = 500
      res.end('internal server error')
    }
  })
    .once('error', (err) => {
      console.error(err)
      process.exit(1)
    })
    .listen(port, () => {
      console.log(`> Ready on http://${hostname}:${port}`)
    })
});