jwood/auroraalarm

class KnownUserHandler < MessageHandler

  def handle
    if @user
      if signup_confirmation?
        handle_signup_confirmation
        return true
      elsif signup_declined?
        handle_declined_signup
        return true
      elsif opt_in_via_sms?
        update_location_for_confirmed_user
        return true
      elsif @user.confirmed?
        handle_already_signed_up
        return true
      end
    end
    false
  end

  private

  def signup_confirmation?
    positive_response? && !@user.confirmed?
  end

  def handle_signup_confirmation
    confirm_user_if_necessary
    @sms_messaging_service.send_message(@mobile_phone, OutgoingSmsMessages.signup_confirmation)
  end

  def signup_declined?
    negative_response? && !@user.confirmed?
  end

  def handle_declined_signup
    @sms_messaging_service.send_message(@mobile_phone, OutgoingSmsMessages.stop)
  end

  def update_location_for_confirmed_user
    @message.upcase =~ opt_in_message_regexp
    service = GeolocationService.new
    location = service.geocode($1)

    if location.nil? || location.invalid?
      @sms_messaging_service.send_message(@mobile_phone, OutgoingSmsMessages.bad_location_at_signup)
    elsif location.international?
      @sms_messaging_service.send_message(@mobile_phone, OutgoingSmsMessages.international_location)
    else
      confirm_user_if_necessary
      @user.user_location.update_attributes(city: location.city,
                                            state: location.state,
                                            postal_code: location.zip,
                                            country: location.country_code,
                                            latitude: location.latitude,
                                            longitude: location.longitude,
                                            magnetic_latitude: location.magnetic_latitude)
      @sms_messaging_service.send_message(@mobile_phone, OutgoingSmsMessages.location_update(location.zip))
    end
  end

  def handle_already_signed_up
    @sms_messaging_service.send_message(@mobile_phone, OutgoingSmsMessages.already_signed_up)
  end

  def confirm_user_if_necessary
    if !@user.confirmed?
      @user.confirm!
    end
  end

end