module Api
  class DoctrinesController < BaseController
    include DoctrineSearch

    load_and_authorize_resource :doctrine, class: "Doctrine"

    def index
      search = doctrine_search(search_params)

      @doctrines = search.results

      respond_with @doctrines
    end

    def show
      respond_with @doctrine
    end

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

      @doctrine = ::Doctrine.new(attrs)

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

        jurisprudence_ids.each do |jurisprudence_id|
          doctrine_jurisprudence = @doctrine.doctrine_jurisprudences.create(jurisprudence_id: jurisprudence_id)
          doctrine_jurisprudence.jurisprudence.index! if doctrine_jurisprudence.persisted?
        end

        respond_with @doctrine
        @doctrine.index!
      else
        render errors: @doctrine.errors, status: 422
      end
    end

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

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

        respond_with @doctrine
        @doctrine.index!
      else
        render errors: @doctrine.errors, status: 422
      end
    end

    def destroy
      @doctrine.destroy

      respond_with @doctrine
    end

    def suggested_contents
      @doctrines = []
      search = doctrine_search(search_params.to_unsafe_h.merge({ is_grouped_by_content: true, per_page: 100000 }))

      search.group(:content).groups.each do |group_by_content|
        group_by_content.results.each do |result|
          @doctrines << result
        end
      end

      respond_with @doctrines
    end

    private

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

      def search_params
        params.permit(:created_at, :q, :page, :per_page,
                      exclude_ids: [], subject_ids: [], user_ids: [])
      end
  end
end