class Twilio::WebhookSetupService
  include Rails.application.routes.url_helpers

  pattr_initialize [:inbox!]

  def perform
    if phone_numbers.empty?
      Rails.logger.info "TWILIO_PHONE_NUMBER_NOT_FOUND: #{channel.phone_number}"
    else
      twilio_client
        .incoming_phone_numbers(phonenumber_sid)
        .update(sms_method: 'POST', sms_url: twilio_callback_index_url)
    end
  rescue Twilio::REST::TwilioError => e
    Rails.logger.info "TWILIO_FAILURE: #{e.message}"
  end

  private

  def phonenumber_sid
    phone_numbers.first.sid
  end

  def phone_numbers
    @phone_numbers ||= twilio_client.incoming_phone_numbers.list(phone_number: channel.phone_number)
  end

  def channel
    @channel ||= inbox.channel
  end

  def twilio_client
    @twilio_client ||= ::Twilio::REST::Client.new(channel.account_sid, channel.auth_token)
  end
end