require 'cul_scv_hydra/controllers/aggregator_controller_helper'
require 'cul_scv_hydra/controllers/helpers/resources_helper_behavior'
module Cul::Scv::Hydra::Controllers
  module Aggregates
    extend ActiveSupport::Concern
    included do
      include Hydra::AssetsControllerHelper
      include Cul::Scv::Hydra::Controllers::AggregatorControllerHelper
      include Cul::Scv::Hydra::Controllers::Helpers::ResourcesHelperBehavior  
      include Hydra::RepositoryController  
      include MediaShelf::ActiveFedoraHelper
      include Blacklight::SolrHelper
      before_filter :load_resources, :only=>[:index]
      prepend_before_filter :sanitize_update_params
    end

    def index

      if params[:layout] == "false"
        layout = false
      end
      container_uri = "info:fedora/#{params[:asset_id]}"
      escaped_uri = container_uri.gsub(/(:)/, '\\:')
      extra_controller_params =  {:q=>"cul_member_of_s:#{escaped_uri}"}
      @response, @document_list = get_search_results( extra_controller_params )
      
        # Including this line so permissions tests can be run against the container
      @container_response, @document = get_solr_response_for_doc_id(params[:asset_id])
      
      render :action=>params[:action], :layout=>layout
    end

    def load_aggregate
      if params.has_key? :aggregate_id
        af_base = ActiveFedora::Base.load_instance(params[:aggregate_id])
      else
        af_base = ActiveFedora::Base.load_instance(params[:id])
      end
      the_model = ActiveFedora::ContentModel.known_models_for( af_base ).first
      if the_model.nil? or the_model == ActiveFedora::Base
        the_model = DcDocument
      end

      @resource = the_model.load_instance(af_base.pid)
    end
  
    # Creates and Saves a Parent - Child relationship in the Child's RELS-EXT
    # If container_id is provided:
    # * the File Asset will use RELS-EXT to assert that it's a part of the specified container
    # * the method will redirect to the container object's edit view after saving
    def create
      if params.has_key?(:aggregate_id)
        @resource = load_aggregate
        logger.debug @resource.class
        logger.debug @resource.datastreams["RELS-EXT"].content
        logger.debug @resource.to_rels_ext(@resource.pid)
        if !params[:asset_id].nil?
          associate_resource_with_container(@resource, params[:asset_id])
          @resource.save
          flash[:notice] = "Aggregated #{@resource.pid} under #{params[:asset_id]}."
        else
          flash[:notice] = "You must specify a container for the aggregate."
        end
      else
        flash[:notice] = "You must specify a resource to aggregate."
      end
    
      if !params[:asset_id].nil?
        redirect_params = {:controller=>"aggregates", :id=>params[:asset_id], :action=>:index}
      end
    
      redirect_params ||= {:action=>:index}
    
      redirect_to redirect_params
    end
  
    # Common destroy method for all AssetsControllers 
    def destroy
      @resource = load_aggregate
      remove_resource_from_container(@resource, params[:asset_id])
      @resource.save

      flash[:notice] = "Deleted #{params[:id]} from #{params[:asset_id]}."
      if !params[:asset_id].nil?
        redirect_params = {:controller=>"aggregates", :id=>params[:asset_id], :action=>:index}
      end
    
      redirect_params ||= {:action=>:index}
    
      redirect_to redirect_params
    end
  end
end