class NotificationServices::HubotService < NotificationService
  LABEL = "hubot"
  FIELDS += [
    [:api_token, {
      placeholder: 'http://hubot.example.org:8080/hubot/say',
      label:       'Hubot URL'
    }],
    [:room_id, {
      placeholder: '#dev',
      label:       'Room where Hubot should notify'
    }]
  ]

  def check_params
    if FIELDS.detect { |f| self[f[0]].blank? }
      errors.add :base, 'You must specify the URL of your hubot'
    end
  end

  def url
    api_token
  end

  def message_for_hubot(problem)
    "[#{problem.app.name}][#{problem.environment}][#{problem.where}]: #{problem.error_class} #{problem.url}"
  end

  def create_notification(problem)
    HTTParty.post(url, body: { message: message_for_hubot(problem), room: room_id })
  end
end