const _ = require('lodash')
const helpers = require('./helpers')
const bcrypt = require('bcryptjs')
const jwt = require('jsonwebtoken')
const User = require('./model').User

const registerController = async (request) => {
  const data = request.body
  const requiredParameters = ['name', 'email', 'password']
  const allParametersPresent = _.every(requiredParameters, _.partial(_.has, data))

  if (!allParametersPresent) {
    return { message: "Parameters missing"}
  }

  let registrationValidation = helpers.isRegistrationDataValid(data)
  if (!registrationValidation.status) {
    return { errors: registrationValidation.errors }
  }

  const securedPassword = bcrypt.hashSync(data.password, 8)
  const databaseResponse = await User.create(_.set(data, 'password', securedPassword)).then(res => res).catch(err => err)
  if (_.has(databaseResponse, 'message')) { return { error: databaseResponse.message } }

  const token = jwt.sign({email: data.email}, 'SUPER SECRET KEY', { expiresIn : "1 day" })
  return { message: "success", token }
}

const loginController = (request) => {
  return { message: "To be implemented!"}
}

module.exports = {
  registerController,
  loginController
}

const router = require('express').Router()
const controller = require('./controllers')

router.post('/login', (request, response) => {
  response.json(controller.loginController(request))
})

router.post('/register', async (request, response) => {
  response.json(await controller.registerController(request))
})

module.exports = router