require 'blacklight_advanced_search/parsing_nesting_parser'

# This module gets included into CatalogController, or another SearchHelper
# includer, to add behavior into search_params_logic.
module BlacklightAdvancedSearch::Controller
  extend ActiveSupport::Concern

  included do
    # default advanced config values
    blacklight_config.advanced_search ||= Blacklight::OpenStructWithHashAccess.new
    #blacklight_config.advanced_search[:qt] ||= 'advanced'
    blacklight_config.advanced_search[:url_key] ||= 'advanced'
    blacklight_config.advanced_search[:query_parser] ||= 'dismax'
    blacklight_config.advanced_search[:form_solr_parameters] ||= {}

    if respond_to? :search_params_logic
      # Parse app URL params used for adv searches
      self.search_params_logic += [:add_advanced_search_to_solr]
    end

    # Silence deprecations that occur when this code is executed before blacklight
    # has generated a SearchBuilder.
    Deprecation.silence Blacklight::Configuration do
      unless blacklight_config.search_builder_class.include? BlacklightAdvancedSearch::AdvancedSearchBuilder
        blacklight_config.search_builder_class.send(:include,
                BlacklightAdvancedSearch::AdvancedSearchBuilder
            )
      end
    end

    # Display advanced search constraints properly
    helper BlacklightAdvancedSearch::RenderConstraintsOverride
    helper BlacklightAdvancedSearch::CatalogHelperOverride
    helper_method :is_advanced_search?, :advanced_query
  end

  def is_advanced_search? req_params = params
    (req_params[:search_field] == blacklight_config.advanced_search[:url_key]) ||
    req_params[:f_inclusive]
  end

  def advanced_query
    BlacklightAdvancedSearch::QueryParser.new(params, blacklight_config) if is_advanced_search?
  end
end