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

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

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

  if(!user){
    return res.status(422).json({errors: [{
      param: 'email',
      msg: 'Invalid login'
    },{
      param: 'password',
      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)
})

// TODO: Login link stuff

router.get('/', async (req, res) => {
  res.json(req.user)
})

router.get('/logout', async (req, res) => {
  await db.session.end(req.session.uuid);

  req.session = null
  res.redirect('/')
})

module.exports = router;