module Hyrax
  # Ensures that the default AdminSet id is set if this form doesn't have
  # an admin_set_id provided. This should come before the
  # Hyrax::Actors::InitializeWorkflowActor, so that the correct
  # workflow can be kicked off.
  #
  # @note Creates AdminSet, Hyrax::PermissionTemplate, Sipity::Workflow (with activation)
  class DefaultAdminSetActor < Hyrax::Actors::AbstractActor
    def create(attributes)
      ensure_admin_set_attribute!(attributes)
      next_actor.create(attributes)
    end

    def update(attributes)
      ensure_admin_set_attribute!(attributes)
      next_actor.update(attributes)
    end

    private

      def ensure_admin_set_attribute!(attributes)
        if attributes[:admin_set_id].present?
          ensure_permission_template!(admin_set_id: attributes[:admin_set_id])
        else
          attributes[:admin_set_id] = default_admin_set_id
        end
      end

      def ensure_permission_template!(admin_set_id:)
        Hyrax::PermissionTemplate.find_by(admin_set_id: admin_set_id) || create_permission_template!(admin_set_id: admin_set_id)
      end

      def default_admin_set_id
        AdminSet.find_or_create_default_admin_set_id
      end

      # Creates a Hyrax::PermissionTemplate for the given AdminSet
      def create_permission_template!(admin_set_id:)
        Hyrax::PermissionTemplate.create!(admin_set_id: admin_set_id)
      end
  end
end