class Epp::KeyrelaysController < EppController
  # rubocop: disable Metrics/PerceivedComplexity
  # rubocop: disable Metrics/CyclomaticComplexity
  def keyrelay
    @domain = find_domain

    handle_errors(@domain) and return unless @domain
    handle_errors(@domain) and return unless @domain.authenticate(params[:parsed_frame].css('pw').text)
    handle_errors(@domain) and return unless @domain.keyrelay(params[:parsed_frame], current_api_user.registrar)

    render_epp_response '/epp/shared/success'
  end

  private

  def validate_keyrelay
    @prefix = 'keyrelay >'

    requires(
      'name',
      'keyData', 'keyData > pubKey', 'keyData > flags', 'keyData > protocol', 'keyData > alg',
      'authInfo', 'authInfo > pw'
    )

    optional 'expiry > relative', duration_iso8601: true
    optional 'expiry > absolute', date_time_iso8601: true

    exactly_one_of 'expiry > relative', 'expiry > absolute'
  end
  # rubocop: enable Metrics/PerceivedComplexity
  # rubocop: enable Metrics/CyclomaticComplexity

  def find_domain
    domain_name = params[:parsed_frame].css('name').text.strip.downcase
    domain = Epp::EppDomain.find_by(name: domain_name)

    unless domain
      epp_errors << {
        code: '2303',
        msg: I18n.t('errors.messages.epp_domain_not_found'),
        value: { obj: 'name', val: domain_name }
      }
      return nil
    end

    domain
  end
end