class Epics::CDZ < Epics::GenericRequest
  attr_accessor :from, :to

  def initialize(client, from = nil, to = nil)
    super(client)
    self.from = from
    self.to = to
  end

  def header
    Nokogiri::XML::Builder.new do |xml|
      xml.header(authenticate: true) {
        xml.static {
          xml.HostID host_id
          xml.Nonce nonce
          xml.Timestamp timestamp
          xml.PartnerID partner_id
          xml.UserID user_id
          xml.Product("EPICS - a ruby ebics kernel", 'Language' => 'de')
          xml.OrderDetails {
            xml.OrderType 'CDZ'
            xml.OrderAttribute 'DZHNN'
            if !!from && !!to
              xml.StandardOrderParams {
                xml.DateRange {
                  xml.Start from
                  xml.End to
                }
              }
            else
              xml.StandardOrderParams
            end
          }  
          xml.BankPubKeyDigests {
            xml.Authentication(client.bank_x.public_digest, Version: 'X002', Algorithm: "http://www.w3.org/2001/04/xmlenc#sha256")
            xml.Encryption(client.bank_e.public_digest, Version: 'E002', Algorithm: "http://www.w3.org/2001/04/xmlenc#sha256" )
          }
          xml.SecurityMedium '0000'
        }
        xml.mutable {
          xml.TransactionPhase 'Initialisation'
        }
      }
    end.doc.root
  end
end