module Enjoy::Search
  module Controllers
    module Search
      extend ActiveSupport::Concern

      def index
        return redirect_to url_for(params) if search_redirecter

        if Enjoy::Search.config.breadcrumbs_on_rails_support
          add_breadcrumb "search",  [:enjoy_search],                  if: :insert_breadcrumbs
          add_breadcrumb "results", [:enjoy_search, {q: params[:q]}], if: :insert_breadcrumbs
        end

        if params[:q].blank?
          @results = []
        else
          @results = search_model_class.page(params[:page]).per(per_page).send(fts_method, query)
        end
      end

      private
      def search_model_class
        if Enjoy::Search.config.pages_support
          Enjoy::Pages::Page
        end
      end

      def fts_method
        :fts
      end

      def search_redirecter
        if params[:utf8].present? or params[:submit].present? or params[:commit].present?
          params.delete(:utf8)
          params.delete(:submit)
          params.delete(:commit)
          return true
        end
        false
      end

      def insert_breadcrumbs
        true
      end

      def per_page
        10
      end

      def query
        params[:q].to_s.gsub(/\P{Word}+/, ' ').gsub(/ +/, ' ').strip
      end

    end
  end
end