module Workarea
  decorate Payment, with: :klarna do
    decorated do
      embeds_one :klarna,
        class_name: "Workarea::Payment::Tender::Klarna",
        inverse_of: :payment

      delegate :redirect_url, to: :klarna, allow_nil: true
    end

    def set_klarna(attrs)
      build_klarna unless klarna
      klarna.attributes = attrs.slice(
        :authorization_token,
        :authorization_token_expires_at,
        :payment_method_category
      )

      save
    end

    def clear_klarna
      self.klarna = nil
    end

    def eligible_for_klarna?
      address.present? &&
        address.country&.continent.present? &&
        address.country.continent.in?(
          Workarea.config.klarna_continent_keys.keys
        )
    end
  end
end