const path        = require('path')
const express     = require('express')
const bodyParser  = require('body-parser')
const morgan      = require('morgan')

const app         = express()

const port = process.env.PORT || 8080;
const welcome = 'Test images API at http://localhost:' + port
console.log(welcome)

app.use(bodyParser.urlencoded({ extended: false }))
app.use(bodyParser.json())
app.use(morgan('dev'))
app.get('/',  (req, res) => res.send(welcome))
app.listen(port);

const authentication = (req, res, next) => {
  const token = req.query.token || req.headers['token']
  if (token) {
    next()
  } else {
    return res
      .status(403)
      .send({ success: false })
  }
}

const staticPictures = express.static(path.join(__dirname, 'pictures'))

app.use('/pictures', authentication, staticPictures)