http.js

if (!process.env.PORT) require('dotenv').config()

const { createServer } = require('http')

const { serveStaticFile, serveRoute } = require('../lib/responder')
const errors = require('../config/errors')

const { PORT, APP_NAME } = process.env

module.exports = () => {
  const server = createServer(async (request, response) => {
    const urlTokens = request.url.split('.')
    const extension = urlTokens.length > 1 ? `${urlTokens[urlTokens.length - 1].toLowerCase().trim()}` : false
    const serveResponse = extension ? serveStaticFile : serveRoute
    const responseParams = { path: request.url }

    if (extension) {
      responseParams.extension = extension
    } else {
      responseParams.request = request
      responseParams.context = {
        app_name: APP_NAME
      }
    }

    try {
      return await serveResponse(responseParams, response)
    } catch (error) {
      console.error(error)
      const errorData = errors(error)

      return await serveStaticFile({
        path: '/error.html',
        extension: 'html',
        statusCode: errorData.code
      }, response)
    }

    try {
      return await serveStaticFile({ file: path, extension: isRoot ? 'html' : extension }, response)
    } catch (error) {
      console.error(error)
      const errorData = errors(error)

      return await serveStaticFile({
        file: '/error.html',
        extension: 'html',
        statusCode: errorData.code
      }, response)
    }
  })

  server.on('error', error => {
    console.error(`=> Error encountered: ${error.message}}`)
    if (error.stack) console.error(error.stack)

    process.exit(1)
  })

  server.on('request', ({ method, url }) => {
    const now = new Date()
    console.info(`=> ${now.toUTCString()} – ${method} ${url}`)
  })

  server.listen(PORT, async () => {
    console.log(
      `=> ${APP_NAME} running on port ${PORT}`
    )
  })
}