Static-files Handler

const url = require('url')
const fs = require('fs')
const path = require('path')

function getContentType (url) {
  if (url.endsWith('css')) {
    return 'text/css'
  }
  if (url.endsWith('ico')){
    return 'image/x-icon'
  }
}

module.exports = (req, res) => {
  req.pathname = req.pathname || url.parse(req.url).pathname

  if (req.pathname.startsWith('/content/') && req.method === 'GET') {
    let filePath = path.normalize(
      path.join(__dirname, `..${req.pathname}`))

    fs.readFile(filePath, (err, data) => {
      if (err) {
        res.writeHead(404, {
          'Content-Type': 'text/plain'
        })

        res.write('Resource not found!')
        res.end()
        return
      }

      res.writeHead(200, {
        'Content-Type': getContentType(req.pathname) //checks for file's content type
      })

      // Sending data and ending response
      res.write(data)
      res.end()
    })
  } else {
    return true
  }
}