require_dependency "renalware/drugs"

module Renalware
  module Drugs
    class DrugsController < BaseController
      include Renalware::Concerns::Pageable

      before_action :prepare_drugs_search, only: :index

      def selected_drugs
        selected_drugs = Drug.for(params[:medication_switch])
                             .ordered
                             .pluck(:id, :name)
        authorize Renalware::Drugs::Drug, :selected_drugs?
        render json: selected_drugs
      end

      def new
        @drug = Drug.new
        authorize @drug
      end

      def create
        @drug = Drug.new(drug_params)
        authorize @drug

        if @drug.save
          redirect_to drugs_drugs_path,
            notice: t(".success", model_name: "drug")
        else
          flash[:error] = t(".failed", model_name: "drug")
          render :new
        end
      end

      def index
        @drugs = @drugs_search.result(distinct: true)
        authorize @drugs

        @drugs = @drugs.page(page).per(per_page) if request.format.html?

        respond_to do |format|
          format.html
          format.json { render json: @drugs }
        end
      end

      def edit
        @drug = Drug.find(params[:id])
        authorize @drug
      end

      def update
        @drug = Drug.find(params[:id])
        authorize @drug

        if @drug.update(drug_params)
          redirect_to drugs_drugs_path,
            notice: t(".success", model_name: "drug")
        else
          flash[:error] = t(".failed", model_name: "drug")
          render :edit
        end
      end

      def destroy
        authorize Drug.destroy(params[:id])

        redirect_to drugs_drugs_path,
          notice: t(".success", model_name: "drug")
      end

      private

      def drug_params
        params.require(:drugs_drug).permit(
          :name, :deleted_at, drug_type_ids: []
        )
      end

      def prepare_drugs_search
        search_params = params.fetch(:q, {})
        @drugs_search = Drug.search(search_params)
        @drugs_search.sorts = "name"
      end
    end
  end
end