/** **********************************************************************
 *
 * Copyright 2018 Jochen Staerk
 *
 * Use is subject to license terms.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy
 * of the License at http://www.apache.org/licenses/LICENSE-2.0.
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *********************************************************************** */
package org.mustangproject.ZUGFeRD;

import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.HashMap;

public class ZUGFeRD2PullProvider implements IXMLProvider {

	private class LineCalc {
		private BigDecimal totalGross;
		private BigDecimal itemTotalNetAmount;
		private BigDecimal itemTotalVATAmount;

		public LineCalc(IZUGFeRDExportableItem currentItem) {
			BigDecimal multiplicator = currentItem.getProduct().getVATPercent().divide(new BigDecimal(100)).add(new BigDecimal(1));
//			priceGross=currentItem.getPrice().multiply(multiplicator);
			totalGross = currentItem.getPrice().multiply(multiplicator).multiply(currentItem.getQuantity());
			itemTotalNetAmount = currentItem.getQuantity().multiply(currentItem.getPrice()).setScale(2, BigDecimal.ROUND_HALF_UP);
			itemTotalVATAmount = totalGross.subtract(itemTotalNetAmount);
		}

		public BigDecimal getItemTotalNetAmount() {
			return itemTotalNetAmount;
		}

		public BigDecimal getItemTotalVATAmount() {
			return itemTotalVATAmount;
		}

	}


	//// MAIN CLASS

	protected byte[] zugferdData;
	private IZUGFeRDExportableTransaction trans;

	/**
	 * enables the flag to indicate a test invoice in the XML structure
	 */
	public void setTest() {}

	private String nDigitFormat(BigDecimal value, int scale) {
		/*
		 * I needed 123,45, locale independent.I tried
		 * NumberFormat.getCurrencyInstance().format( 12345.6789 ); but that is
		 * locale specific.I also tried DecimalFormat df = new DecimalFormat(
		 * "0,00" ); df.setDecimalSeparatorAlwaysShown(true);
		 * df.setGroupingUsed(false); DecimalFormatSymbols symbols = new
		 * DecimalFormatSymbols(); symbols.setDecimalSeparator(',');
		 * symbols.setGroupingSeparator(' ');
		 * df.setDecimalFormatSymbols(symbols);
		 *
		 * but that would not switch off grouping. Although I liked very much
		 * the (incomplete) "BNF diagram" in
		 * http://docs.oracle.com/javase/tutorial/i18n/format/decimalFormat.html
		 * in the end I decided to calculate myself and take eur+sparator+cents
		 *
		 * This function will cut off, i.e. floor() subcent values Tests:
		 * System.err.println(utils.currencyFormat(new BigDecimal(0),
		 * ".")+"\n"+utils.currencyFormat(new BigDecimal("-1.10"),
		 * ",")+"\n"+utils.currencyFormat(new BigDecimal("-1.1"),
		 * ",")+"\n"+utils.currencyFormat(new BigDecimal("-1.01"),
		 * ",")+"\n"+utils.currencyFormat(new BigDecimal("20000123.3489"),
		 * ",")+"\n"+utils.currencyFormat(new BigDecimal("20000123.3419"),
		 * ",")+"\n"+utils.currencyFormat(new BigDecimal("12"), ","));
		 *
		 * results 0.00 -1,10 -1,10 -1,01 20000123,34 20000123,34 12,00
		 */
		value = value.setScale(scale, BigDecimal.ROUND_HALF_UP); // first, round so that e.g. 1.189999999999999946709294817992486059665679931640625 becomes 1.19
		char[] repeat = new char[scale];
		Arrays.fill(repeat, '0');

		DecimalFormatSymbols otherSymbols = new DecimalFormatSymbols();
		otherSymbols.setDecimalSeparator('.');
		DecimalFormat dec = new DecimalFormat("0." + new String(repeat), otherSymbols);
		return dec.format(value);

	}

	private String vatFormat(BigDecimal value) {
		return nDigitFormat(value, 2);
	}

	private String currencyFormat(BigDecimal value) {
		return nDigitFormat(value, 2);
	}

	private String priceFormat(BigDecimal value) {
		return nDigitFormat(value, 4);
	}

	private String quantityFormat(BigDecimal value) {
		return nDigitFormat(value, 4);
	}

	@Override
	public byte[] getXML() {
		return zugferdData;
	}

	private BigDecimal getTotalGross() {

		BigDecimal res = getTotal();
		HashMap<BigDecimal, VATAmount> VATPercentAmountMap = getVATPercentAmountMap();
		for (BigDecimal currentTaxPercent : VATPercentAmountMap.keySet()) {
			VATAmount amount = VATPercentAmountMap.get(currentTaxPercent);
			res = res.add(amount.getCalculated());
		}
		return res;
	}

	private BigDecimal getTotal() {
		BigDecimal res = new BigDecimal(0);
		for (IZUGFeRDExportableItem currentItem : trans.getZFItems()) {
			LineCalc lc = new LineCalc(currentItem);
			res = res.add(lc.getItemTotalNetAmount());
		}
		return res;
	}

	/**
	 * which taxes have been used with which amounts in this transaction,
	 * empty for no taxes, or e.g. 19=>190 and 7=>14 if 1000 Eur were applicable
	 * to 19% VAT (=>190 EUR VAT) and 200 EUR were applicable to 7% (=>14 EUR VAT)
	 * 190 Eur
	 *
	 * @return which taxes have been used with which amounts in this invoice
	 */
	private HashMap<BigDecimal, VATAmount> getVATPercentAmountMap() {
		HashMap<BigDecimal, VATAmount> hm = new HashMap<>();

		for (IZUGFeRDExportableItem currentItem : trans.getZFItems()) {
			BigDecimal percent = currentItem.getProduct().getVATPercent();
			LineCalc lc = new LineCalc(currentItem);
			VATAmount itemVATAmount = new VATAmount(lc.getItemTotalNetAmount(), lc.getItemTotalVATAmount(), trans.getDocumentCode());
			VATAmount current = hm.get(percent);
			if (current == null) {
				hm.put(percent, itemVATAmount);
			} else {
				hm.put(percent, current.add(itemVATAmount));
			}
		}
		return hm;
	}


	@Override
	public void generateXML(IZUGFeRDExportableTransaction trans) {
		this.trans = trans;
		SimpleDateFormat germanDateFormat = new SimpleDateFormat("dd.MM.yyyy"); //$NON-NLS-1$
		SimpleDateFormat zugferdDateFormat = new SimpleDateFormat("yyyyMMdd"); //$NON-NLS-1$
		String senderReg = "";
		if (trans.getOwnOrganisationFullPlaintextInfo() != null) {
			senderReg = ""
					+ "<ram:IncludedCINote>\n"
					+ "		<ram:Content>\n"
					+ trans.getOwnOrganisationFullPlaintextInfo()
					+ "		</ram:Content>\n"
					+ "<ram:SubjectCode>REG</ram:SubjectCode>\n"
					+ "</ram:IncludedCINote>\n";

		}


		String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" //$NON-NLS-1$

				+ "<rsm:CrossIndustryInvoice xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:rsm=\"urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100\""
//					+ " xsi:schemaLocation=\"urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100 ../Schema/ZUGFeRD1p0.xsd\""
				+ " xmlns:ram=\"urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100\""
				+ " xmlns:udt=\"urn:un:unece:uncefact:data:standard:UnqualifiedDataType:100\">\n" //$NON-NLS-1$
				+ "	<rsm:ExchangedDocumentContext>\n" //$NON-NLS-1$
//					+ "		<ram:TestIndicator><udt:Indicator>"+testBooleanStr+"</udt:Indicator></ram:TestIndicator>\n" //$NON-NLS-1$
				+ "		<ram:GuidelineSpecifiedDocumentContextParameter>\n" //$NON-NLS-1$
				+ "			<ram:ID>urn:cen.eu:en16931:2017:compliant:factur-x.eu:1p0:en16931</ram:ID>\n" //$NON-NLS-1$
				+ "		</ram:GuidelineSpecifiedDocumentContextParameter>\n" //$NON-NLS-1$
				+ "	</rsm:ExchangedDocumentContext>\n" //$NON-NLS-1$
				+ "	<rsm:ExchangedDocument>\n" //$NON-NLS-1$
				+ "		<ram:ID>" + trans.getNumber() + "</ram:ID>\n" //$NON-NLS-1$ //$NON-NLS-2$
//					+ "		<ram:Name>RECHNUNG</ram:Name>\n" //$NON-NLS-1$
				+ "		<ram:TypeCode>380</ram:TypeCode>\n" //$NON-NLS-1$
				+ "		<ram:IssueDateTime><udt:DateTimeString format=\"102\">" + zugferdDateFormat.format(trans.getIssueDate()) + "</udt:DateTimeString></ram:IssueDateTime>\n" //date format was 20130605 //$NON-NLS-1$ //$NON-NLS-2$
				+ senderReg
//					+ "		<IncludedNote>\n"
//					+ "			<Content>\n"
//					+ "Rechnung gemäß Bestellung Nr. 2013-471331 vom 01.03.2013.\n"
//					+ "\n"
//					+ "      </Content>\n"
//					+ "      </IncludedNote>\n"
//					+ "      <IncludedNote>\n"
//					+ "			<Content>\n"
//					+ "Es bestehen Rabatt- und Bonusvereinbarungen.\n"
//					+ "			</Content>\n"
//					+ "			<SubjectCode>AAK</SubjectCode>\n"
//					+ "		</IncludedNote>\n"
				+ "	</rsm:ExchangedDocument>\n" //$NON-NLS-1$
				+ "	<rsm:SupplyChainTradeTransaction>\n"; //$NON-NLS-1$
		int lineID = 0;
		for (IZUGFeRDExportableItem currentItem : trans.getZFItems()) {
			lineID++;

			LineCalc lc = new LineCalc(currentItem);
			xml = xml + "		<ram:IncludedSupplyChainTradeLineItem>\n" + //$NON-NLS-1$
					"			<ram:AssociatedDocumentLineDocument>\n" //$NON-NLS-1$
					+ "				<ram:LineID>" + lineID + "</ram:LineID>\n" //$NON-NLS-1$ //$NON-NLS-2$
					+ "			</ram:AssociatedDocumentLineDocument>\n" //$NON-NLS-1$
					+ "			<ram:SpecifiedTradeProduct>\n" //$NON-NLS-1$
//								+ "				<GlobalID schemeID=\"0160\">4012345001235</GlobalID>\n"
//								+ "				<SellerAssignedID>KR3M</SellerAssignedID>\n"
//								+ "				<BuyerAssignedID>55T01</BuyerAssignedID>\n"
					+ "				<ram:Name>" + currentItem.getProduct().getName() + "</ram:Name>\n" //$NON-NLS-1$ //$NON-NLS-2$
					+ "				<ram:Description>" + currentItem.getProduct().getDescription() + "</ram:Description>\n" //$NON-NLS-1$ //$NON-NLS-2$
					+ "			</ram:SpecifiedTradeProduct>\n" //$NON-NLS-1$

					+ "			<ram:SpecifiedLineTradeAgreement>\n" //$NON-NLS-1$
					+ "				<ram:GrossPriceProductTradePrice>\n" //$NON-NLS-1$
					+ "					<ram:ChargeAmount>" + priceFormat(currentItem.getPrice()) + "</ram:ChargeAmount>\n" //$NON-NLS-1$ //$NON-NLS-2$ //currencyID=\"EUR\"
					+ "					<ram:BasisQuantity unitCode=\"" + currentItem.getProduct().getUnit() + "\">1.0000</ram:BasisQuantity>\n" //$NON-NLS-1$ //$NON-NLS-2$
//								+ "					<AppliedTradeAllowanceCharge>\n"
//								+ "						<ChargeIndicator>false</ChargeIndicator>\n"
//								+ "						<ActualAmount currencyID=\"EUR\">0.6667</ActualAmount>\n"
//								+ "						<Reason>Rabatt</Reason>\n"
//								+ "					</AppliedTradeAllowanceCharge>\n"
					+ "				</ram:GrossPriceProductTradePrice>\n" //$NON-NLS-1$
					+ "				<ram:NetPriceProductTradePrice>\n" //$NON-NLS-1$
					+ "					<ram:ChargeAmount>" + priceFormat(currentItem.getPrice()) + "</ram:ChargeAmount>\n" //$NON-NLS-1$ //$NON-NLS-2$ // currencyID=\"EUR\"
					+ "					<ram:BasisQuantity unitCode=\"" + currentItem.getProduct().getUnit() + "\">1.0000</ram:BasisQuantity>\n" //$NON-NLS-1$ //$NON-NLS-2$
					+ "				</ram:NetPriceProductTradePrice>\n" //$NON-NLS-1$
					+ "			</ram:SpecifiedLineTradeAgreement>\n" //$NON-NLS-1$

					+ "			<ram:SpecifiedLineTradeDelivery>\n" //$NON-NLS-1$
					+ "				<ram:BilledQuantity unitCode=\"" + currentItem.getProduct().getUnit() + "\">" + quantityFormat(currentItem.getQuantity()) + "</ram:BilledQuantity>\n" //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
					+ "			</ram:SpecifiedLineTradeDelivery>\n" //$NON-NLS-1$
					+ "			<ram:SpecifiedLineTradeSettlement>\n" //$NON-NLS-1$
					+ "				<ram:ApplicableTradeTax>\n" //$NON-NLS-1$
					+ "					<ram:TypeCode>VAT</ram:TypeCode>\n" //$NON-NLS-1$
					+ "					<ram:CategoryCode>S</ram:CategoryCode>\n" //$NON-NLS-1$
					+ "					<ram:RateApplicablePercent>" + vatFormat(currentItem.getProduct().getVATPercent()) + "</ram:RateApplicablePercent>\n" //$NON-NLS-1$ //$NON-NLS-2$
					+ "				</ram:ApplicableTradeTax>\n" //$NON-NLS-1$
					+ "				<ram:SpecifiedTradeSettlementLineMonetarySummation>\n" //$NON-NLS-1$
					+ "					<ram:LineTotalAmount>" + currencyFormat(lc.getItemTotalNetAmount()) + "</ram:LineTotalAmount>\n" //$NON-NLS-1$ //$NON-NLS-2$  // currencyID=\"EUR\"
					+ "				</ram:SpecifiedTradeSettlementLineMonetarySummation>\n" //$NON-NLS-1$
					+ "			</ram:SpecifiedLineTradeSettlement>\n" //$NON-NLS-1$
					+ "		</ram:IncludedSupplyChainTradeLineItem>\n"; //$NON-NLS-1$


		}

		xml = xml + "		<ram:ApplicableHeaderTradeAgreement>\n" //$NON-NLS-1$
//					+ "			<BuyerReference>AB-312</BuyerReference>\n"
				+ "			<ram:SellerTradeParty>\n" //$NON-NLS-1$
//					+ "				<GlobalID schemeID=\"0088\">4000001123452</GlobalID>\n"
				+ "				<ram:Name>" + trans.getOwnOrganisationName() + "</ram:Name>\n" //$NON-NLS-1$ //$NON-NLS-2$
				+ "				<ram:PostalTradeAddress>\n"
				+ "					<ram:PostcodeCode>" + trans.getOwnZIP() + "</ram:PostcodeCode>\n"
				+ "					<ram:LineOne>" + trans.getOwnStreet() + "</ram:LineOne>\n"
				+ "					<ram:CityName>" + trans.getOwnLocation() + "</ram:CityName>\n"
				+ "					<ram:CountryID>" + trans.getOwnCountry() + "</ram:CountryID>\n"
				+ "				</ram:PostalTradeAddress>\n"
				+ "				<ram:SpecifiedTaxRegistration>\n" //$NON-NLS-1$
				+ "					<ram:ID schemeID=\"FC\">" + trans.getOwnTaxID() + "</ram:ID>\n" //$NON-NLS-1$ //$NON-NLS-2$
				+ "				</ram:SpecifiedTaxRegistration>\n" //$NON-NLS-1$
				+ "				<ram:SpecifiedTaxRegistration>\n" //$NON-NLS-1$
				+ "					<ram:ID schemeID=\"VA\">" + trans.getOwnVATID() + "</ram:ID>\n" //$NON-NLS-1$ //$NON-NLS-2$
				+ "				</ram:SpecifiedTaxRegistration>\n" //$NON-NLS-1$
				+ "			</ram:SellerTradeParty>\n" //$NON-NLS-1$
				+ "			<ram:BuyerTradeParty>\n" //$NON-NLS-1$
//					+ "				<ID>GE2020211</ID>\n"
//					+ "				<GlobalID schemeID=\"0088\">4000001987658</GlobalID>\n"
				+ "				<ram:Name>" + trans.getRecipient().getName() + "</ram:Name>\n" //$NON-NLS-1$ //$NON-NLS-2$
//					+ "				<DefinedTradeContact>\n"
//					+ "					<PersonName>xxx</PersonName>\n"
//					+ "				</DefinedTradeContact>\n"
				+ "				<ram:PostalTradeAddress>\n" //$NON-NLS-1$
				+ "					<ram:PostcodeCode>" + trans.getRecipient().getZIP() + "</ram:PostcodeCode>\n" //$NON-NLS-1$ //$NON-NLS-2$
				+ "					<ram:LineOne>" + trans.getRecipient().getStreet() + "</ram:LineOne>\n" //$NON-NLS-1$ //$NON-NLS-2$
				+ "					<ram:CityName>" + trans.getRecipient().getLocation() + "</ram:CityName>\n" //$NON-NLS-1$ //$NON-NLS-2$
				+ "					<ram:CountryID>" + trans.getRecipient().getCountry() + "</ram:CountryID>\n" //$NON-NLS-1$ //$NON-NLS-2$
				+ "				</ram:PostalTradeAddress>\n" //$NON-NLS-1$
				+ "				<ram:SpecifiedTaxRegistration>\n" //$NON-NLS-1$
				+ "					<ram:ID schemeID=\"VA\">" + trans.getRecipient().getVATID() + "</ram:ID>\n" //$NON-NLS-1$ //$NON-NLS-2$
				+ "				</ram:SpecifiedTaxRegistration>\n" //$NON-NLS-1$
				+ "			</ram:BuyerTradeParty>\n" //$NON-NLS-1$
//					+ "			<BuyerOrderReferencedDocument>\n"
//					+ "				<IssueDateTime format=\"102\">20130301</IssueDateTime>\n"
//					+ "			<ID>2013-471331</ID>\n"
//					+ "			</BuyerOrderReferencedDocument>\n"
				+ "		</ram:ApplicableHeaderTradeAgreement>\n" //$NON-NLS-1$
				+ "		<ram:ApplicableHeaderTradeDelivery>\n"
				+ "			<ram:ActualDeliverySupplyChainEvent>\n"
				+ "				<ram:OccurrenceDateTime><udt:DateTimeString format=\"102\">" + zugferdDateFormat.format(trans.getDeliveryDate()) + "</udt:DateTimeString></ram:OccurrenceDateTime>\n"
				+ "			</ram:ActualDeliverySupplyChainEvent>\n"
					/*
					+ "			<DeliveryNoteReferencedDocument>\n"
					+ "				<IssueDateTime format=\"102\">20130603</IssueDateTime>\n"
					+ "				<ID>2013-51112</ID>\n"
					+ "			</DeliveryNoteReferencedDocument>\n" */
				+ "		</ram:ApplicableHeaderTradeDelivery>\n"
				+ "		<ram:ApplicableHeaderTradeSettlement>\n" //$NON-NLS-1$
				+ "			<ram:PaymentReference>" + trans.getNumber() + "</ram:PaymentReference>\n" //$NON-NLS-1$ //$NON-NLS-2$
				+ "			<ram:InvoiceCurrencyCode>EUR</ram:InvoiceCurrencyCode>\n"; //$NON-NLS-1$

				for(IZUGFeRDTradeSettlementPayment payment : trans.getTradeSettlementPayment()) {
					xml += "			<ram:SpecifiedTradeSettlementPaymentMeans>\n" //$NON-NLS-1$
						+ "				<ram:TypeCode>42</ram:TypeCode>\n" //$NON-NLS-1$
						+ "				<ram:Information>Überweisung</ram:Information>\n" //$NON-NLS-1$
						+ "				<ram:PayeePartyCreditorFinancialAccount>\n" //$NON-NLS-1$
						+ "					<ram:IBANID>" + payment.getOwnIBAN() + "</ram:IBANID>\n" //$NON-NLS-1$ //$NON-NLS-2$
						+ "					<ram:ProprietaryID>" + payment.getOwnKto() + "</ram:ProprietaryID>\n" //$NON-NLS-1$ //$NON-NLS-2$
						+ "				</ram:PayeePartyCreditorFinancialAccount>\n" //$NON-NLS-1$
						+ "				<ram:PayeeSpecifiedCreditorFinancialInstitution>\n" //$NON-NLS-1$
						+ "					<ram:BICID>" + payment.getOwnBIC() + "</ram:BICID>\n" //$NON-NLS-1$ //$NON-NLS-2$
						+ "					<ram:GermanBankleitzahlID>" + payment.getOwnBLZ() + "</ram:GermanBankleitzahlID>\n" //$NON-NLS-1$ //$NON-NLS-2$
//						+ "					<ram:Name>"+trans.getOwnBankName()+"</ram:Name>\n" //$NON-NLS-1$ //$NON-NLS-2$
						+ "				</ram:PayeeSpecifiedCreditorFinancialInstitution>\n" //$NON-NLS-1$
						+ "			</ram:SpecifiedTradeSettlementPaymentMeans>\n"; //$NON-NLS-1$
				}

		HashMap<BigDecimal, VATAmount> VATPercentAmountMap = getVATPercentAmountMap();
		for (BigDecimal currentTaxPercent : VATPercentAmountMap.keySet()) {
			VATAmount amount = VATPercentAmountMap.get(currentTaxPercent);
			if (amount != null) {
				xml += "			<ram:ApplicableTradeTax>\n" //$NON-NLS-1$
						+ "				<ram:CalculatedAmount>" + currencyFormat(amount.getCalculated()) + "</ram:CalculatedAmount>\n" //$NON-NLS-1$ //$NON-NLS-2$ //currencyID=\"EUR\"
						+ "				<ram:TypeCode>VAT</ram:TypeCode>\n" //$NON-NLS-1$
						+ "				<ram:BasisAmount>" + currencyFormat(amount.getBasis()) + "</ram:BasisAmount>\n" // currencyID=\"EUR\"
						+ "				<ram:CategoryCode>S</ram:CategoryCode>\n" //$NON-NLS-1$
						+ "				<ram:RateApplicablePercent>" + vatFormat(currentTaxPercent) + "</ram:RateApplicablePercent>\n" //$NON-NLS-1$
						+ "			</ram:ApplicableTradeTax>\n"; //$NON-NLS-1$


			}
		}
	/*				xml+= "
					+ "			<SpecifiedTradeAllowanceCharge>\n"
					+ "				<ChargeIndicator>false</ChargeIndicator>\n"
					+ "				<BasisAmount currencyID=\"EUR\">10</BasisAmount>\n"
					+ "				<ActualAmount>1.00</ActualAmount>\n"
					+ "				<Reason>Sondernachlass</Reason>\n"
					+ "				<CategoryTradeTax>\n"
					+ "					<TypeCode>VAT</TypeCode>\n"
					+ "					<CategoryCode>S</CategoryCode>\n"
					+ "					<ApplicablePercent>19</ApplicablePercent>\n"
					+ "				</CategoryTradeTax>\n"
					+ "			</SpecifiedTradeAllowanceCharge>\n"
					+ "			<SpecifiedTradeAllowanceCharge>\n"
					+ "				<ChargeIndicator>false</ChargeIndicator>\n"
					+ "				<BasisAmount currencyID=\"EUR\">137.30</BasisAmount>\n"
					+ "				<ActualAmount>13.73</ActualAmount>\n"
					+ "				<Reason>Sondernachlass</Reason>\n"
					+ "				<CategoryTradeTax>\n"
					+ "					<TypeCode>VAT</TypeCode>\n"
					+ "					<CategoryCode>S</CategoryCode>\n"
					+ "					<ApplicablePercent>7</ApplicablePercent>\n"
					+ "				</CategoryTradeTax>\n"
					+ "							</SpecifiedTradeAllowanceCharge>\n"
					+ "			<SpecifiedLogisticsServiceCharge>\n"
					+ "				<Description>Versandkosten</Description>\n"
					+ "				<AppliedAmount>5.80</AppliedAmount>\n"
					+ "				<AppliedTradeTax>\n"
					+ "					<TypeCode>VAT</TypeCode>\n"
					+ "					<CategoryCode>S</CategoryCode>\n"
					+ "					<ApplicablePercent>7</ApplicablePercent>\n"
					+ "				</AppliedTradeTax>\n"
					+ "			</SpecifiedLogisticsServiceCharge>\n"*/

		xml = xml + "			<ram:SpecifiedTradePaymentTerms>\n" //$NON-NLS-1$
				+ "				<ram:Description>Zahlbar ohne Abzug bis " + germanDateFormat.format(trans.getDueDate()) + "</ram:Description>\n"
				+ "				<ram:DueDateDateTime><udt:DateTimeString format=\"102\">" + zugferdDateFormat.format(trans.getDueDate()) + "</udt:DateTimeString></ram:DueDateDateTime>\n"//20130704 //$NON-NLS-1$ //$NON-NLS-2$
				+ "			</ram:SpecifiedTradePaymentTerms>\n" //$NON-NLS-1$
				+ "			<ram:SpecifiedTradeSettlementHeaderMonetarySummation>\n" //$NON-NLS-1$
				+ "				<ram:LineTotalAmount>" + currencyFormat(getTotal()) + "</ram:LineTotalAmount>\n" //$NON-NLS-1$ //$NON-NLS-2$  currencyID=\"EUR\"
				+ "				<ram:ChargeTotalAmount>0.00</ram:ChargeTotalAmount>\n" //$NON-NLS-1$  currencyID=\"EUR\"
				+ "				<ram:AllowanceTotalAmount>0.00</ram:AllowanceTotalAmount>\n" //$NON-NLS-1$ // currencyID=\"EUR\"
//					+ "				<ChargeTotalAmount currencyID=\"EUR\">5.80</ChargeTotalAmount>\n"
//					+ "				<AllowanceTotalAmount currencyID=\"EUR\">14.73</AllowanceTotalAmount>\n"
				+ "				<ram:TaxBasisTotalAmount>" + currencyFormat(getTotal()) + "</ram:TaxBasisTotalAmount>\n" //$NON-NLS-1$ //$NON-NLS-2$ // currencyID=\"EUR\"
				+ "				<ram:TaxTotalAmount currencyID=\"EUR\">" + currencyFormat(getTotalGross().subtract(getTotal())) + "</ram:TaxTotalAmount>\n" //$NON-NLS-1$ //$NON-NLS-2$
				+ "				<ram:GrandTotalAmount>" + currencyFormat(getTotalGross()) + "</ram:GrandTotalAmount>\n" //$NON-NLS-1$ //$NON-NLS-2$ // currencyID=\"EUR\"
//					+ "				<TotalPrepaidAmount currencyID=\"EUR\">0.00</TotalPrepaidAmount>\n"
				+ "				<ram:DuePayableAmount>" + currencyFormat(getTotalGross()) + "</ram:DuePayableAmount>\n" //$NON-NLS-1$ //$NON-NLS-2$ // currencyID=\"EUR\"
				+ "			</ram:SpecifiedTradeSettlementHeaderMonetarySummation>\n" //$NON-NLS-1$
				+ "		</ram:ApplicableHeaderTradeSettlement>\n"; //$NON-NLS-1$
//					+ "		<IncludedSupplyChainTradeLineItem>\n"
//					+ "			<AssociatedDocumentLineDocument>\n"
//					+ "				<IncludedNote>\n"
//					+ "					<Content>Wir erlauben uns Ihnen folgende Positionen aus der Lieferung Nr. 2013-51112 in Rechnung zu stellen:</Content>\n"
//					+ "				</IncludedNote>\n"
//					+ "			</AssociatedDocumentLineDocument>\n"
//					+ "		</IncludedSupplyChainTradeLineItem>\n";


		xml = xml + "	</rsm:SupplyChainTradeTransaction>\n" //$NON-NLS-1$
				+ "</rsm:CrossIndustryInvoice>"; //$NON-NLS-1$

		byte[] zugferdRaw;
		try {
			zugferdRaw = xml.getBytes("UTF-8");

			if ((zugferdRaw[0] == (byte) 0xEF) && (zugferdRaw[1] == (byte) 0xBB) && (zugferdRaw[2] == (byte) 0xBF)) {
				// I don't like BOMs, lets remove it
				zugferdData = new byte[zugferdRaw.length - 3];
				System.arraycopy(zugferdRaw, 3, zugferdData, 0, zugferdRaw.length - 3);
			} else {
				zugferdData = zugferdRaw;
			}
		} catch (UnsupportedEncodingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} //$NON-NLS-1$
	}

}