module Spree
  class PagSeguroPayment < ActiveRecord::Base
    attr_accessor :order_id
    has_one :payment, :as => :source
    
    def process!(payment)
      order = payment.order
      
      redirect_url = Rails.env.development? ? nil : "#{Spree::Config.site_url}/pag_seguro/callback"

      pag_seguro_payment = ::PagSeguro::Payment.new(
        Order.pag_seguro_payment_method.preferred_email,
        Order.pag_seguro_payment_method.preferred_token,
        redirect_url: redirect_url,
        extra_amount: format("%.2f", payment.order.shipment.amount.round(2)),
        id: order.id)

      pag_seguro_payment.items = order.line_items.map do |item|
        pag_seguro_item = ::PagSeguro::Item.new
        pag_seguro_item.id = item.id
        pag_seguro_item.description = item.product.name
        pag_seguro_item.amount = format("%.2f", item.price.round(2))
        pag_seguro_item.quantity = item.quantity
        pag_seguro_item.weight = (item.product.weight * 1000).to_i if item.product.weight.present?
        pag_seguro_item
      end

      pag_seguro_payment.sender = ::PagSeguro::Sender.new(name: order.name, email: order.email, phone_number: order.ship_address.phone)
      pag_seguro_payment.shipping = ::PagSeguro::Shipping.new(type: ::PagSeguro::Shipping::SEDEX, state: order.ship_address.state.abbr, city: order.ship_address.city, postal_code: order.ship_address.zipcode, street: order.ship_address.address1, complement: order.ship_address.address2)
      self.code = pag_seguro_payment.code
      self.date = pag_seguro_payment.date
      self.save
    end
    
    def actions
      %w{capture void}
    end

    # Indicates whether its possible to capture the payment
    def can_capture?(payment)
      ['processing', 'checkout', 'pending'].include?(payment.state)
    end

    # Indicates whether its possible to void the payment.
    def can_void?(payment)
      payment.state != 'void'
    end

    def capture(payment)
      payment.update_attribute(:state, 'pending') if payment.state == 'checkout'
      payment.complete
      true
    end

    def void(payment)
      payment.update_attribute(:state, 'pending') if payment.state == 'checkout'
      payment.void
      true
    end
  end
end