# Uncomment this if you reference any of your controllers in activate
require_dependency 'application'
 
unless RAILS_ENV == 'production'
  PAYPAL_ACCOUNT = 'joe@bidness.com'
  ActiveMerchant::Billing::Base.mode = :test
else
  PAYPAL_ACCOUNT = 'Gregg@railsenvy.com'
end
 
class PpWebsiteStandardExtension < Spree::Extension
  version "1.1"
  description "Describe your extension here"
  url "http://yourwebsite.com/spree_pp_website_standard"
 
  define_routes do |map|
    map.resources :orders do |order|
      # we're kind of abusing the notion of a restful collection here but we're in the weird position of 
      # not being able to create the payment before sending the request to paypal
      order.resource :paypal_payment, :collection => {:successful => :post}
    end  
  end
  
  def activate
 
    # Add a partial for PaypalPayment txns
    Admin::OrdersController.class_eval do
      before_filter :add_pp_standard_txns, :only => :show
      def add_pp_standard_txns
        @txn_partials << 'pp_standard_txns'
      end
    end
    
    # Add a filter to the OrdersController so that if user is reaching us from an email link we can 
    # associate the order with the user (once they log in)
    OrdersController.class_eval do
      before_filter :associate_order, :only => :show
      private
      def associate_order  
        return unless payer_id = params[:payer_id]
        orders = Order.find(:all, :include => :paypal_payment, :conditions => ['paypal_payments.payer_id = ? AND orders.user_id is null', payer_id])
        orders.each do |order|
          order.update_attribute("user", current_user)
        end
      end
    end
 
    # add new events and states to the FSM
    fsm = Order.state_machines['state']  
    fsm.events["fail_payment"] = PluginAWeek::StateMachine::Event.new(fsm, "fail_payment")
    fsm.events["pend_payment"] = PluginAWeek::StateMachine::Event.new(fsm, "pend_payment")
    fsm.events["fail_payment"].transition(:to => 'payment_failure')
    fsm.events["pend_payment"].transition(:to => 'payment_pending')
    fsm.after_transition :to => 'payment_pending', :do => lambda {|order| order.update_attribute(:checkout_complete, true)}  
    
    # add a PaypalPayment association to the Order model
    Order.class_eval do 
      has_one :paypal_payment
    end
  
  end
  
  def deactivate
    # admin.tabs.remove "Spree Pp Website Standard"
  end
  
end