module Api
  module Doctrine
    class AnnotationsController < ::Api::BaseController
      include AnnotationSearch

      load_and_authorize_resource :doctrine, class: "Doctrine"
      load_and_authorize_resource :annotation, class: "Annotation", through: :doctrine

      def index
        search = annotation_search(search_params)
        @annotations = search.results

        respond_with @annotations
      end

      def search
        search = annotation_search(search_params)
        @annotations = search.results

        respond_with @annotations
      end

      def show
        respond_with @annotation
      end

      def create
        attrs = resource_params.to_unsafe_h.deep_symbolize_keys
        document_id = attrs.delete(:document_id)
        document_ids = params[:document_ids].split(",")
    
        @annotation = @doctrine.annotations.new(attrs)
    
        if document_id.present?
          @annotation.document = Cdao::Document.find(document_id)
        end
    
        if document_ids.present?
          @documents = Cdao::Document.where(id: document_ids)
        end

        if @annotation.save
          @documents.each { |document| @annotation.add_document(document) } if @documents.present?

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

      def update
        attrs = resource_params.to_unsafe_h.deep_symbolize_keys
        document_id = attrs.delete(:document_id)
        document_ids = params[:document_ids].split(",")
    
        if document_ids.present?
          @documents = Cdao::Document.where(id: document_ids)
        end
    
        attrs[:document] = Cdao::Document.find(document_id) if document_id.present?

        if @annotation.update(attrs)
          @annotation.annotation_documents.each do |annotation_document|
            @annotation.remove_document(annotation_document.document)
          end
  
          @documents.each { |document| @annotation.add_document(document) } if @documents.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(:document_id, :content, :phil_rep, :editor_notes, :rank, annomark_ids: [])
        end

        def search_params
          params.permit(:doctrine_id, :document_id, :phil_rep, :q, :page, :per_page)
        end
    end
  end
end