module SubjectSearch
  def search_subject(search_params)
    fulltext_fields = %i[name lineage_name].freeze

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

      fulltext_fields.each do |field|
        fulltext search_params[field], fields: %i[field], query_phrase_slop: 0, minimum_match: 1
      end

      with :parent_id, search_params[:parent_id].to_i if search_params[:parent_id].present?

      without :parent_id if search_params[:is_root].present? && search_params[:is_root].to_s.eql?("true")

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

      order_by :lineage_name, :asc
      order_by :name, :asc

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

    search
  end
end