# Encapsulation of logic used to convert a token generated by Stripe Elements
# into a Stripe Customer + Card which can then be charged at a later point in time
# Stores the generated customer & card ids against the local instance of Spree::CreditCard

module Stripe
  class ProfileStorer
    def initialize(payment, provider)
      @payment = payment
      @provider = provider
    end

    def create_customer_from_token
      token = @payment.source.gateway_payment_profile_id
      response = @provider.store(token, options)

      if response.success?
        attrs = source_attrs_from(response)
        @payment.source.update_attributes!(attrs)
      else
        @payment.__send__(:gateway_error, response.message)
      end
    end

    private

    def options
      {
        email: @payment.order.email,
        login: Stripe.api_key,
        address: address_for(@payment)
      }
    end

    def address_for(payment)
      {}.tap do |hash|
        if address = payment.order.bill_address
          hash = {
            address1: address.address1,
            address2: address.address2,
            city: address.city,
            zip: address.zipcode
          }

          if address.country
            hash[:country] = address.country.name
          end

          if address.state
            hash[:state] = address.state.name
          end
        end
      end
    end

    def source_attrs_from(response)
      {
        cc_type: @payment.source.cc_type, # side-effect of update_source!
        gateway_customer_profile_id: response.params['id'],
        gateway_payment_profile_id: response.params['default_source'] || response.params['default_card']
      }
    end
  end
end