require 'blacklight/catalog'

module Sufia
  module MyControllerBehavior
    extend ActiveSupport::Concern
    include Blacklight::Catalog
    include Hydra::BatchEditBehavior
    include Hydra::Collections::SelectsCollections
  
    included do
      include Blacklight::Configurable

      self.copy_blacklight_config_from(CatalogController)

      include BlacklightAdvancedSearch::ParseBasicQ
      include BlacklightAdvancedSearch::Controller
      
      before_filter :authenticate_user!
      before_filter :enforce_show_permissions, only: :show
      before_filter :enforce_viewing_context_for_show_requests, only: :show
      before_filter :find_collections, only: :index

      # This applies appropriate access controls to all solr queries (the internal method of this is overidden bellow to only include edit files)
      self.solr_search_params_logic += [:add_access_controls_to_solr_params]

      layout 'sufia-dashboard'
    end

    # specify the controller_name here to specify where we should look for
    # the batch_edit menu options (_batch_edits_actions.html.erb)
    def controller_name
      :my
    end

    def index
      (@response, @document_list) = get_search_results
      @user = current_user
      @events = @user.events(100)
      @last_event_timestamp = @user.events.first[:timestamp].to_i || 0 rescue 0
      @filters = params[:f] || []

      # set up some parameters for allowing the batch controls to show appropiately
      @max_batch_size = 80
      count_on_page = @document_list.count {|doc| batch.index(doc.id)}
      @disable_select_all = @document_list.count > @max_batch_size
      batch_size = batch.uniq.size
      @result_set_size = @response.response["numFound"]
      @empty_batch = batch.empty?
      @all_checked = (count_on_page == @document_list.count)
      @entire_result_set_selected = @response.response["numFound"] == batch_size
      @batch_size_on_other_page = batch_size - count_on_page
      @batch_part_on_other_page = (@batch_size_on_other_page) > 0

      respond_to do |format|
        format.html { }
        format.rss  { render layout: false }
        format.atom { render layout: false }
      end
    end

    protected

    # show only files with edit permissions in lib/hydra/access_controls_enforcement.rb apply_gated_discovery
    def discovery_permissions
      ["edit"]
    end

    def show_only_files_deposited_by_current_user solr_parameters, user_parameters
      solr_parameters[:fq] ||= []
      solr_parameters[:fq] += [
        ActiveFedora::SolrQueryBuilder.construct_query_for_rel(depositor: current_user.user_key)
      ]
    end

    def show_only_generic_files solr_parameters, user_parameters
      solr_parameters[:fq] ||= []
      solr_parameters[:fq] += [
        ActiveFedora::SolrQueryBuilder.construct_query_for_rel(has_model: ::GenericFile.to_class_uri)
      ]
    end

  end
end