class ActiveFedora::IndexingService

def self.create_time_solr_name
  @create_time_solr_name ||= ActiveFedora.index_field_mapper.solr_name('system_create', :stored_sortable, type: :date)
end

def self.modified_time_solr_name
  @modified_time_solr_name ||= ActiveFedora.index_field_mapper.solr_name('system_modified', :stored_sortable, type: :date)
end

def self.profile_solr_name
  @profile_solr_name ||= ActiveFedora.index_field_mapper.solr_name("object_profile", :displayable)
end

def c_time
  c_time = object.create_date.present? ? object.create_date : DateTime.now
  c_time = DateTime.parse(c_time) unless c_time.is_a?(DateTime)
  c_time
end

def generate_solr_document
  solr_doc = {}
  Solrizer.set_field(solr_doc, 'system_create', c_time, :stored_sortable)
  Solrizer.set_field(solr_doc, 'system_modified', m_time, :stored_sortable)
  Solrizer.set_field(solr_doc, 'active_fedora_model', object.class.inspect, :stored_sortable)
  solr_doc[QueryResultBuilder::HAS_MODEL_SOLR_FIELD] = object.has_model
  solr_doc[ActiveFedora.id_field.to_sym] = object.id
  solr_doc[self.class.profile_solr_name] = profile_service.new(object).export
  object.declared_attached_files.each do |name, file|
    solr_doc.merge! file.to_solr(solr_doc, name: name.to_s)
  end
  solr_doc = solrize_rdf_assertions(solr_doc)
  yield(solr_doc) if block_given?
  solr_doc
end

def initialize(obj)
  @object = obj
end

def m_time
  m_time = object.modified_date.present? ? object.modified_date : DateTime.now
  m_time = DateTime.parse(m_time) unless m_time.is_a?(DateTime)
  m_time
end

def profile_service
  ProfileIndexingService
end

def rdf_service
  RDF::IndexingService
end

def solrize_rdf_assertions(solr_doc = {})
  solr_doc.merge rdf_service.new(object).generate_solr_document
end