module DocumentSearch
  def document_search(search_params)
    fulltext_fields = %i[reference_number title short_title].freeze

    search = Cdao::Document.search do
      fulltext search_params[:q], fields: fulltext_fields, query_phrase_slop: 1 if search_params[:q].present?

      fulltext_fields.each do |field|
        fulltext search_params[field], fields: [field], query_phrase_slop: 1 if search_params[field].present?
      end

      with(:year, search_params[:year].to_i) if search_params[:year].present?

      without(:id).any_of(search_params[:exclude_ids]) if search_params[:exclude_ids].present?

      with(:citation_finders_names).any_of(search_params[:citation_finder]) if search_params[:citation_finder].present?

      with(:is_only_in_premium_libraries, false)

      if search_params[:sort_by].blank?
        order_by :search_year, :desc
        order_by :reference_number, :desc
        order_by :search_doc_date, :desc
      end

      paginate page: search_params[:page] || 1, per_page: search_params[:per_page] || 20
    end

    search
  end
end