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 upload = multer({
  storage: multer.memoryStorage(),
  limits: {
    files: 1,
    fileSize: 500000
  }
})

router.post('/', parseJSON, validate.urlSlugRestrictions('slug'), async (req, res) => {
  const errors = validationResult(req)

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

  

  // TODO: Create session

  res.json(user)
})

router.post('/:uuid/images', upload.single('image'), async (req, res) => {
  // Handle either image upload body or JSON body
  try {
    if(req.file)
      await db.item.addImage(req.params.uuid, req.file.buffer)
    else
      await db.item.addImage(req.params.uuid, await b64.decode(req.body.image.split(',')[1]))
  } catch (error) {
    error.status = 500
    throw error
  }

  res.json(await db.item.findById(req.params.uuid))
})

module.exports = router;