import express from 'express';
import http, { OutgoingHttpHeaders } from 'http'
import cookieParser from 'cookie-parser';
import sanitize from 'sanitize';
import fs from 'fs'
import path from 'path'
import mimes from 'mime-types'
import auth, { checkAuth } from '@ideadesignmedia/develop/pwa/src/auth'

const app = express();
app.set('trust proxy', true)
app.use(express.json({ limit: '50mb' }))
app.use(express.urlencoded({ extended: false, limit: '50mb', parameterLimit: 100 }))
app.use(cookieParser())
app.all('*', (req, res, next) => {
  res.header('Access-Control-Allow-Origin', '*')
  res.header('Access-Control-Allow-Methods', 'PUT, GET, POST, DELETE, OPTIONS')
  res.setHeader('Access-Control-Allow-Credentials', 'true')
  res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept, Content-Length, Authorization')
  next()
})
app.options('*', (req, res) => res.status(200).json({ methods: 'PUT, GET, POST, DELETE, OPTIONS' }))
app.use(sanitize.middleware);
app.use(auth)


app.get('*', (req, res, next) => {
  if (req.headers['accept-encoding'] && req.headers['accept-encoding'].includes('gzip')) {
    let p = ''
    let paths = req.path.split('/')
    for (let i = 1; i < paths.length; i++) p += '/' + paths[i] + (i === paths.length - 1 ? '.gz' : '')
    p = path.join(process.cwd(), 'client/dist', p)
    if (fs.existsSync(p)) {
      try {
        const stream = fs.createReadStream(p)
        res.writeHead(200, { 'Content-Type': mimes.lookup(path.extname(req.path)), 'Content-Encoding': 'gzip' } as OutgoingHttpHeaders)
        return stream.pipe(res)
      } catch (e) {
        console.log(e)
        if (res.headersSent) return res.end()
      }
    }
  }
  return next()
})
app.use(express.static(path.join(process.cwd(), 'client/dist')));
app.get('*', (req, res) => {
  res.sendFile(path.join(process.cwd(), 'client/dist/index.html'))
})
http.createServer(app).listen(process.env.PORT || 3001)
console.log(`Web server listening on port ${process.env.PORT || 3001}`)
process.on('uncaughtException', (e) => console.error(e))
process.on('unhandledRejection', (e) => console.error(e))