class ForemanOpenscap::DataStreamValidator

def data_type(data_stream_content)
  data_stream_content.class.to_s.demodulize.underscore
end

def validate(data_stream_content)
  return unless data_stream_content.scap_file_changed?
  content_type = data_type(data_stream_content)
  unless SmartProxy.with_features('Openscap').any?
    data_stream_content.errors.add(:base, _('No proxy with OpenSCAP feature was found.'))
    return false
  end
  if data_stream_content.proxy_url.nil?
    data_stream_content.errors.add(:base, _('No proxy with OpenSCAP feature is running.'))
    return false
  end
  begin
    api = ProxyAPI::Openscap.new(:url => data_stream_content.proxy_url)
    errors = api.validate_scap_file(data_stream_content.scap_file, content_type)
    if errors && errors['errors'].any?
      errors['errors'].each { |error| data_stream_content.errors.add(:scap_file, _(error)) }
      return false
    end
  rescue *ProxyAPI::Openscap::HTTP_ERRORS => e
    data_stream_content.errors.add(:base, _('No available proxy to validate. Returned with error: %s') % e)
    return false
  end
  is_scap_content = content_type == 'scap_content'
  if is_scap_content && !(data_stream_content.scap_content_profiles.map(&:profile_id) - data_stream_content.fetch_profiles.keys).empty?
    data_stream_content.errors.add(:scap_file, _('Changed file does not include existing SCAP content profiles'))
    return false
  end
end