%form{:action => PaypalController::FORM_URL, :method => "post"}
  = hidden_field_tag :cmd,"_cart"
  = hidden_field_tag :upload,1
  = hidden_field_tag :business, PaypalController::ACCOUNT
  = hidden_field_tag :currency_code, "USD"
  = hidden_field_tag :no_shipping, 1
  - #iterate across all items in the cart
  - i = 1
  - for purchasable in @cart.to_a
    = hidden_field_tag "item_name_#{i}", purchasable.human_name
    = hidden_field_tag "amount_#{i}", fmt_money(purchasable.unit_price)
    = hidden_field_tag "quantity_#{i}", purchasable.quantity
    - i += 1
  = hidden_field_tag :notify_url, notify_url
  = hidden_field_tag :cancel_return, url_for(:action=>"checkout",:only_path=>false)
  = hidden_field_tag :return, url_for(:action=>"purchase_success",:only_path=>false)
  = paypal_submit #the submit button generated from PaypalHelper

/- website_standard_active_merchant do
/  = paypal_submit
- payment_service_for 1000, PaypalController::ACCOUNT, |
  :currency => 'USD', |
  :service => :paypal, |
  :html => { :id => 'payment-form' } do |service| |
    - service.cmd "_cart"
    - service.add_field 'upload', "1"
    - service.no_shipping '1' 
    - #the helper sets up an item by default. we shall delete that info
    - service.form_fields.delete('item_name')
    - service.form_fields.delete('item_number')
    - service.form_fields.delete('quantity')
    - #upload the entire cart
    - i = 1
    - for purchasable in @cart.to_a
      - service.add_field "item_name_#{i}",purchasable.human_name
      - service.add_field "amount_#{i}",fmt_money(purchasable.unit_price)
      - service.add_field "quantity_#{i}",purchasable.quantity
      - i += 1
    - service.notify_url notify_url
    - service.return_url url_for(:action=>"purchase_success",:only_path=>false)
    - service.cancel_return_url url_for(:action=>"checkout",:only_path=>false)
  = paypal_submit #the submit button generated from PaypalHelper

%form{:action => "https://checkout.google.com/api/checkout/v2/checkoutForm/Merchant/#{ENV['GOOGLE_CHECKOUT_MERCHANT_ID']}", :method => "post", :accept_charset => "utf-8"}
  - i = 1
  - for purchasable in @cart.to_a
    = hidden_field_tag "item_name_#{i}", purchasable.human_name
    = hidden_field_tag "item_description_#{i}", purchasable.short_description
    = hidden_field_tag "item_price_#{i}", fmt_money(purchasable.unit_price)
    = hidden_field_tag "item_quantity_#{i}", purchasable.quantity
    - i += 1
  = hidden_field_tag "_charset_"
  - image_src = "http://checkout.google.com/buttons/checkout.gif?merchant_id=#{ENV['GOOGLE_CHECKOUT_MERCHANT_ID']}&w=180&h=46&style=white&variant=text&loc=en_US"
  %input{:type=>"image", :name=>"Google Checkout", :alt=>"Fast checkout through Google", :src=>image_src, :height=>"46", :width=>"180" }

/<script type=text/javascript  src=https://images-na.ssl-images-amazon.com/images/G/01/cba/js/jquery.js></script>
/<script type=text/javascript  src=https://images-na.ssl-images-amazon.com/images/G/01/cba/js/widget/widget.js></script>
- merchant_id = "A1TDXY6XJ7JAMX"
%form{:action => "http://payments.amazon.com/checkout/#{merchant_id}", :method => "post", :enctype => "multipart/form-data"}
  - i = 1
  - for purchasable in @cart.to_a
    = hidden_field_tag "item_merchant_id_#{i}", merchant_id
    = hidden_field_tag "item_title_#{i}", purchasable.human_name
    = hidden_field_tag "item_price_#{i}", fmt_money(purchasable.unit_price)
    = hidden_field_tag "item_quantity_#{i}", purchasable.quantity
    
    /= hidden_field_tag "item_description_#{i}", purchasable.short_description
    - i += 1
  = hidden_field_tag "currency_code", "USD"
  %input{:alt=>"Checkout with Amazon Payments", :src=>"https://payments.amazon.com/gp/cba/button?ie=UTF8&color=orange&background=white&size=medium",  :type=>"image"}

class BillingController < RailsVendorController
  
  def new
    @billing = RailsVendor::Billing.new
  end
  
  def create
    begin
      raise RailsVendor::Exception.new("Invalid card") unless @cart && @cart.total_price_cents && @cart.total_price_cents > 0
      #use a transaction so billing is only saved upon success
      RailsVendor::Billing.transaction do
        @billing = RailsVendor::Billing.new(params[:billing])
        @billing.save!
        active_merchant_credit_card = @billing.active_merchant_credit_card
        login = ENV['TRUST_COMMERCE_LOGIN'].to_s
        password = ENV['TRUST_COMMERCE_PASSWORD'].to_s
        gateway=ActiveMerchant::Billing::TrustCommerceGateway.new(:login => login,:password => password)
        cents = @cart.total_price_cents
        response = gateway.authorize(cents, active_merchant_credit_card)
        raise RailsVendor::Exception.new(response.message) unless response.success?
        authorization = response.authorization
        response2 = gateway.capture(cents, authorization, {})
        raise RailsVendor::Exception.new(response2.message) unless response2.success?
      end
      redirect_to :controller => "rails_vendor", :action => "purchase_success"
    rescue  ActiveRecord::RecordInvalid => exc
      render :action => "new"
    rescue RailsVendor::Exception => exc
      flash.now[:note] = exc.to_s
      render :action => "new"
    end
  end
end