# Replaces Curate's CurationConcern::Model
module CurationConcern::Curatable
  extend ActiveSupport::Concern

  included do
    include ::CurationConcern::HumanReadableType
    include Sufia::Noid
    include Sufia::ModelMethods
    include Hydra::Collections::Collectible
    include Solrizer::Common
    include ::CurationConcern::HasRepresentative

    # Modules in Curate's CurationConcern::Model that we _might_ pull in later
    # include Curate::ActiveModelAdaptor

    has_metadata 'properties', type: Worthwhile::PropertiesDatastream
    has_attributes :relative_path, :depositor, :owner, datastream: :properties, multiple: false
    class_attribute :human_readable_short_description
    attr_accessor :files
  end

  def as_json(options)
    { pid: pid, title: title, model: self.class.to_s, curation_concern_type: human_readable_type }
  end

  def as_rdf_object
    RDF::URI.new(internal_uri)
  end

  def to_solr(solr_doc={}, opts={})
    super.tap do |solr_doc|
      index_collection_pids(solr_doc)
      solr_doc[Solrizer.solr_name('noid', Sufia::GenericFile.noid_indexer)] = noid
      add_derived_date_created(solr_doc)
    end
  end

  def to_s
    title.join(', ')
  end

  # Returns a string identifying the path associated with the object. ActionPack uses this to find a suitable partial to represent the object.
  def to_partial_path
    "curation_concern/#{super}"
  end

  def can_be_member_of_collection?(collection)
    collection == self ? false : true
  end

  protected

  # A searchable date field that is derived from the (text) field date_created
  def add_derived_date_created(solr_doc)
    if self.respond_to?(:date_created)
      self.class.create_and_insert_terms('date_created_derived', derived_dates, [:dateable], solr_doc)
    end
  end

  def derived_dates
    dates = Array(date_created)
    dates.map { |date| Curate::DateFormatter.parse(date.to_s).to_s }
  end

  def index_collection_pids(solr_doc)
    solr_doc[Solrizer.solr_name(:collection, :facetable)] ||= []
    solr_doc[Solrizer.solr_name(:collection)] ||= []
    self.collection_ids.each do |collection_id|
      collection_obj = ActiveFedora::Base.load_instance_from_solr(collection_id)
      if collection_obj.is_a?(Collection)
        solr_doc[Solrizer.solr_name(:collection, :facetable)] << collection_id
        solr_doc[Solrizer.solr_name(:collection)] << collection_id
      end
    end
    solr_doc
  end
end