module Api
  module Doctrine
    class AnnotationsController < ::Api::BaseController
      load_and_authorize_resource :doctrine, class: "Doctrine"
      load_and_authorize_resource :annotation, class: "Annotation", through: :doctrine

      def index
        respond_with @annotations
      end

      def show
        respond_with @annotation
      end

      def create
        attrs = resource_params.to_unsafe_h.deep_symbolize_keys
        subject_ids = attrs.delete(:subject_ids)

        @annotation = @doctrine.annotations.new(attrs)

        if @annotation.save
          @annotation.subject_ids = subject_ids if subject_ids.present?

          respond_with @annotation
        else
          render errors: @annotation.errors, status: 422
        end
      end

      def update
        attrs = resource_params.to_unsafe_h.deep_symbolize_keys
        subject_ids = attrs.delete(:subject_ids)

        if @annotation.update(attrs)
          @annotation.subject_ids = subject_ids if subject_ids.present?

          respond_with @annotation
        else
          render errors: @annotation.errors, status: 422
        end
      end

      def destroy
        @annotation.destroy

        respond_with @annotation
      end

      private

        def resource_params
          params.permit(:content, subject_ids: [])
        end
    end
  end
end