module PaymentComponent
  def fetch_payment_component(amount, card_brands, constituent = nil, options = {})
    card_brands ||= ['amex', 'mc', 'discover', 'visa']
    parameters =
      {
        'Amount': amount,
        'ConstituentId': constituent,
        'CardBrandsToInclude': card_brands,
      }
    options.merge!(basic_auth: @auth, headers: @headers)
    options.merge!(:body => parameters.to_json)
    self.class.post(base_api_endpoint('PaymentGateway/PaymentComponent'), options)
  end
end