package at.gv.egovernment.moa.id.auth.validator.parep.client.szrgw;

import java.util.ArrayList;
import java.util.List;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

import at.gv.egovernment.moa.id.auth.data.InfoboxValidatorParams;
import at.gv.egovernment.moa.id.auth.validator.parep.ParepUtils;
import at.gv.egovernment.moa.util.Constants;

/**
 * This class implements a detailed CreateMandateRequest that
 * will be sent to SZR-gateway.
 * 
 * @author <a href="mailto:peter.danner@egiz.gv.at">Peter Danner</a>
 */
public class CreateMandateRequest {

  /**
   * The Request.
   */
  private Document document;
	
  /**
   * List of mandate representatives as XML element.
   */
  private List representatives;
  
  /**
   * The mandator.
   */
  private Element mandator;

  /**
   * The representative.
   */
  private Element representative;
  
  /**
   * The signature to verify by the SZR-gateway
   */
  private Element signature;

  
  
  /**
   * Creates the CreateMandateRequest element that will
   * be sent to SZR-gateway
   * 
   * @return the CreateMandateRequest element.
   */
  public Element toElement() throws SZRGWClientException{

	  this.document = ParepUtils.createEmptyDocument();
	  Element root = this.document.createElement(SZRGWConstants.SZRGW_PREFIX + SZRGWConstants.CREATE_MANDATE_REQUEST);
	  root.setAttribute("xmlns" + SZRGWConstants.SZRGW_POSTFIX, SZRGWConstants.SZRGW_REQUEST_NS);
	  root.setAttribute("xmlns" + SZRGWConstants.PD_POSTFIX, Constants.PD_NS_URI);
	  if (this.representative!=null) root.appendChild(this.document.importNode(this.representative, true));
	  if (this.mandator!=null) root.appendChild(this.document.importNode(this.mandator, true));
	  if (this.signature!=null) root.appendChild(this.document.importNode(this.signature, true));
    
    return root;
  }
  
  /**
   * Adds a representative.
   * 
   * @param representative an XML representative to add. 
   */
  public void addRepresentative(Element representative) {
    if (representatives == null) {
      representatives = new ArrayList();
    }
    representatives.add(representative);
  }
  
  /**
   * Gets the representative.
   * 
   * @return the representative.
   */
  public Element getRepresentative() {
    return representative;
  }

  /**
   * Gets the mandator.
   * 
   * @return the mandator.
   */
  public Element getMandator() {
    return mandator;
  }
  
  /**
   * Sets the mandator.
   * 
   * @param mandator the mandator.
   */
  public void setMandator(Element mandator) {
    this.mandator = mandator;
  }

  /**
   * Sets the Mandator.
   * 
   * @param familyName the family name of the mandator.
   */
  public void setMandator(String familyName, String givenName, String dateOfBirth, 
		  String postalCode, String municipality, String streetName, String buildingNumber, String unit,
		  boolean physical, String cbFullName, String cbIdentificationType, String cbIdentificationValue) throws SZRGWClientException {

	  Document mandatorDocument = ParepUtils.createEmptyDocument();
	  
	  Element mandatorElem = mandatorDocument.createElementNS(SZRGWConstants.SZRGW_REQUEST_NS, SZRGWConstants.SZRGW_PREFIX + SZRGWConstants.MANDATOR);
//	  mandatorElem.setAttribute("xmlns" + SZRGWConstants.PD_POSTFIX, Constants.PD_NS_URI);
///	  mandatorElem.setAttribute("xmlns" + SZRGWConstants.SZRGW_POSTFIX, SZRGWConstants.SZRGW_REQUEST_NS);
	  
	  if (physical) {
		  Element physicalPersonElem = mandatorDocument.createElementNS(Constants.PD_NS_URI, SZRGWConstants.PD_PREFIX + SZRGWConstants.PHYSICALPERSON);
		  physicalPersonElem.appendChild(createNameElem(mandatorDocument, givenName, familyName));
		  physicalPersonElem.appendChild(createPersonDataElem(mandatorDocument, SZRGWConstants.DATEOFBIRTH, dateOfBirth));
		  mandatorElem.appendChild(physicalPersonElem);
		  Element postalAddressElement = createPostalAddressElem(mandatorDocument, postalCode, municipality, streetName, buildingNumber, unit); 
		  if (null!=postalAddressElement) mandatorElem.appendChild(postalAddressElement);
	  } else {
		  Element corporateBodyElem = mandatorDocument.createElementNS(Constants.PD_NS_URI, SZRGWConstants.PD_PREFIX + SZRGWConstants.CORPORATEBODY);
		  corporateBodyElem.appendChild(createIdentificationElem(mandatorDocument, cbIdentificationType, cbIdentificationValue));
		  corporateBodyElem.appendChild(createPersonDataElem(mandatorDocument, SZRGWConstants.FULLNAME, cbFullName));
		  mandatorElem.appendChild(corporateBodyElem);
	  }

	  
	  this.mandator = mandatorElem;
  }

  private Element createPersonDataElem(Document document, String elementName, String elementValue) {
	  Element elem = document.createElementNS(Constants.PD_NS_URI, SZRGWConstants.PD_PREFIX + elementName);
	  Node value = document.createTextNode(elementValue);
	  elem.appendChild(value);
	  return elem;
  }

  private Element createIdentificationElem(Document document, String identificationType, String identificationValue) {
	  Element identificationElem = document.createElementNS(Constants.PD_NS_URI, SZRGWConstants.PD_PREFIX + SZRGWConstants.IDENTIFICATION);
	  identificationElem.appendChild(createPersonDataElem(document, SZRGWConstants.VALUE, identificationValue));
    identificationElem.appendChild(createPersonDataElem(document, SZRGWConstants.TYPE, identificationType));
	  return identificationElem;
  }
  private Element createNameElem(Document document, String givenName, String familyName) {
	  Element nameElem = document.createElementNS(Constants.PD_NS_URI, SZRGWConstants.PD_PREFIX + SZRGWConstants.NAME);
	  nameElem.appendChild(createPersonDataElem(document, SZRGWConstants.GIVENNAME, givenName));
	  nameElem.appendChild(createPersonDataElem(document, SZRGWConstants.FAMILYNAME, familyName));
	  return nameElem;
  }
  private Element createPostalAddressElem(Document document, String postalCode, String municipality, String streetName, String buildingNumber, String unit) {

    if (ParepUtils.isEmpty(postalCode) && ParepUtils.isEmpty(municipality) && ParepUtils.isEmpty(streetName)
        && ParepUtils.isEmpty(buildingNumber) && ParepUtils.isEmpty(unit)) return null;
    Element postalAddressElem = document.createElementNS(Constants.PD_NS_URI, SZRGWConstants.PD_PREFIX + SZRGWConstants.POSTALADDRESS);

	  if (!ParepUtils.isEmpty(postalCode)) {
		  postalAddressElem.appendChild(createPersonDataElem(document, SZRGWConstants.POSTALCODE, postalCode));
	  }
	  if (!ParepUtils.isEmpty(municipality)) {
		  postalAddressElem.appendChild(createPersonDataElem(document, SZRGWConstants.MUNICIPALITY, municipality));
	  }
	  if (!ParepUtils.isEmpty(streetName) || !ParepUtils.isEmpty(buildingNumber) || !ParepUtils.isEmpty(unit)) {
		  Element deliveryAddressElem = document.createElementNS(Constants.PD_NS_URI, SZRGWConstants.PD_PREFIX + SZRGWConstants.DELIVERYADDRESS);
		  
		  if (!ParepUtils.isEmpty(streetName)) {
			  deliveryAddressElem.appendChild(createPersonDataElem(document, SZRGWConstants.STREETNAME, streetName));
		  }
		  if (!ParepUtils.isEmpty(buildingNumber)) {
			  deliveryAddressElem.appendChild(createPersonDataElem(document, SZRGWConstants.BUILDINGNUMBER, buildingNumber));
		  }
		  if (!ParepUtils.isEmpty(unit)) {
			  deliveryAddressElem.appendChild(createPersonDataElem(document, SZRGWConstants.UNIT, unit));
		  }
		  postalAddressElem.appendChild(deliveryAddressElem);
	  }
	  return postalAddressElem;
  }

  
  
  /**
   * Sets the Representative.
   * 
   * @param params InfoboxValidatorParams contain the data of the representative.
   * @param identificationType the type of the identification of the representative (has to be urn:publicid:gv.at:cdid).
   * @param identificationValue the identification value (bPK).
   */
  public void setRepresentative(InfoboxValidatorParams params, String identificationType, String identificationValue) throws SZRGWClientException {

	  Document representativeDocument = ParepUtils.createEmptyDocument();
	  
	  Element representativeElem = representativeDocument.createElementNS(SZRGWConstants.SZRGW_REQUEST_NS, SZRGWConstants.SZRGW_PREFIX + SZRGWConstants.REPRESENTATIVE);
//	  representativeElem.setAttribute("xmlns" + SZRGWConstants.PD_POSTFIX, Constants.PD_NS_URI);
//	  representativeElem.setAttribute("xmlns" + SZRGWConstants.SZRGW_POSTFIX, SZRGWConstants.SZRGW_REQUEST_NS);
	  
	  representativeElem.appendChild(createIdentificationElem(representativeDocument, identificationType, identificationValue));
	  representativeElem.appendChild(createNameElem(representativeDocument, params.getGivenName(), params.getFamilyName()));
	  representativeElem.appendChild(createPersonDataElem(representativeDocument, SZRGWConstants.DATEOFBIRTH, params.getDateOfBirth()));
	  
	  this.representative = representativeElem;
  }

  /**
   * @return the signature
   */
  public Element getSignature() {
    return signature;
  }

  /**
   * @param signature the signature to set
   */
  public void setSignature(Element signature) throws SZRGWClientException{
    Document signatureDocument = ParepUtils.createEmptyDocument();
    Element signatureElem = signatureDocument.createElementNS(SZRGWConstants.SZRGW_REQUEST_NS, SZRGWConstants.SZRGW_PREFIX + "Signature");
    //SZR-gateway takes the first Signature
    //signatureElem.setAttribute("SignatureLocation", "//saml:Assertion/dsig:Signature");
    signatureElem.appendChild(signatureDocument.importNode(signature, true));
    this.signature = signatureElem;
  }
  

}