require "resque"

module Ddr
  module Models
    module HasAdminMetadata
      extend ActiveSupport::Concern

      included do
        has_metadata "adminMetadata",
          type: Ddr::Datastreams::AdministrativeMetadataDatastream,
          versionable: true,
          control_group: "M"

        has_attributes :admin_set,
                       :display_format,
                       :local_id,
                       :permanent_id,
                       :permanent_url,
                       :research_help_contact,
                       :workflow_state,
          datastream: "adminMetadata",
          multiple: false

        delegate :publish, :publish!, :unpublish, :unpublish!, :published?, to: :workflow

        after_create :assign_permanent_id!, if: "Ddr::Models.auto_assign_permanent_ids"
        around_destroy :update_permanent_id_on_destroy, if: "permanent_id.present?"
      end

      def permanent_id_manager
        @permanent_id_manager ||= Ddr::Managers::PermanentIdManager.new(self)
      end

      def roles
        Ddr::Auth::Roles::PropertyRoleSet.new(adminMetadata.access_role)
      end

      def workflow
        @workflow ||= Ddr::Managers::WorkflowManager.new(self)
      end

      def assign_permanent_id!
        permanent_id_manager.assign_later
      end

      def grant_roles_to_creator(creator)
        roles.grant type: Ddr::Auth::Roles::EDITOR,
                    agent: creator,
                    scope: Ddr::Auth::Roles::RESOURCE_SCOPE
      end

      def copy_resource_roles_from(other)
        roles.grant *(other.roles.in_resource_scope)
      end

      def effective_permissions(agents)
        Ddr::Auth::EffectivePermissions.call(self, agents)
      end

      def research_help
        Ddr::Contacts.get(research_help_contact) if research_help_contact
      end

      private

      def update_permanent_id_on_destroy
        @permanent_id = permanent_id
        yield
        Resque.enqueue(Ddr::Jobs::PermanentId::MakeUnavailable, @permanent_id, "deleted")
      end

    end
  end
end