FactoryGirl.define do
  factory :promotion, class: Spree::Promotion do
    name 'Promo'

    trait :with_line_item_adjustment do
      ignore do
        adjustment_rate 10
      end

      after(:create) do |promotion, evaluator|
        calculator = Spree::Calculator::FlatRate.new
        calculator.preferred_amount = evaluator.adjustment_rate
        Spree::Promotion::Actions::CreateItemAdjustments.create!(calculator: calculator, promotion: promotion)
      end
    end
    factory :promotion_with_item_adjustment, traits: [:with_line_item_adjustment]

    trait :with_order_adjustment do
      ignore do
        order_adjustment_amount 10
      end

      after(:create) do |promotion, evaluator|
        calculator = Spree::Calculator::FlatRate.new
        calculator.preferred_amount = evaluator.order_adjustment_amount
        action = Spree::Promotion::Actions::CreateAdjustment.create!(:calculator => calculator)
        promotion.actions << action
        promotion.save!
      end
    end

    trait :with_item_total_rule do
      ignore do
        item_total_threshold_amount 10
      end

      after(:create) do |promotion, evaluator|
        rule = Spree::Promotion::Rules::ItemTotal.create!(
          preferred_operator: 'gte', 
          preferred_amount: evaluator.item_total_threshold_amount
        )
        promotion.rules << rule
        promotion.save!
      end
    end

  end
end