module.exports.getUser = (req, res) => {
  // TODO: Sanitize user object
  if (!req.session) return res.status(500).end()

  const user = User.findById(req.session.user.id)
  if (!user) return res.status(500).end()

  const userObj = {
    id: user.id,
    username: user.username,
    email: user.email,
    tags: user.tags
  }

  res.status(200).json(req.session.user)
}

module.exports.updateUser = async (req, res) => {
  const { tag } = req.body
  const userId = req.session.user.id

  const user = await User.findOne({
    _id: req.session.user.id
  }).exec()

  if (!user) {
    req.session.destroy()
    return res.status(500).end()
  }

  const update = await User.findOneAndUpdate({
      userId
    },{
      $push: { tags: tag}
    }).exec()

//  if (tag) {
//    user.tag= tag
//    db.User.update(
//    { $push: { tags: tag } }
//    )


    try {
      await user.save()
    } catch (err) {
      if (err.code === 11000) {
        return res.status(400).json({
          message: 'This tag is already used'
        })
      }

      return res.status(500).json({
        message: 'Could not add tag'
      })
    }

  res.status(200).end()
}