const router = require('express-promise-router')()
const parseJSON = require('body-parser').json()
const db = require('../db')

const {validationResult} = require('express-validator')
const validate = require('./middleware/validators')

const registerValidation = [validate.emailRestrictions, validate.passwordRestrictions, validate.bothPasswordsMatch, validate.checkEmailNotUsed]
router.post('/', parseJSON, registerValidation, async (req, res) => {
  const errors = validationResult(req)

  if(!errors.isEmpty())
    return res.status(422).json({errors: errors.array()})

  const user = await db.user.register(
    req.body.email,
    req.body.password
  )

  if(!user){
    return res.status(422).json({errors: [{
      param: 'email',
      msg: 'Unable to complete registration'
    },{
      param: 'password',
      msg: ' '
    },{
      param: 'password2',
      msg: ' '
    }]})
  }

  const session = await db.session.create(
    user.uuid,
    req.ip,
    req.get('User Agent') || "",
    req.get('Referrer') || "",
    null
  )

  req.session.uuid = session.uuid

  res.json(user)
})

module.exports = router;