/**
 * 
 */
package at.knowcenter.wag.egov.egiz.sig.connectors.bku;

import java.io.Serializable;
import java.security.cert.X509Certificate;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import javax.security.auth.x500.X500Principal;

import at.gv.egiz.pdfas.api.timestamp.TimeStamper;
import at.knowcenter.wag.egov.egiz.sig.SignatureTypes;
import at.knowcenter.wag.egov.egiz.sig.signatureobject.AdditionalSignatureInformation;
import at.knowcenter.wag.egov.egiz.sig.signatureobject.AlgorithmSignatureInformation;
import at.knowcenter.wag.egov.egiz.sig.signatureobject.ConnectorSignatureInformation;
import at.knowcenter.wag.egov.egiz.sig.signatureobject.MandatorySignatureInformation;

/**
 * @author wprinz
 *
 */
public class SignSignatureObject implements Serializable, MandatorySignatureInformation, ConnectorSignatureInformation, AlgorithmSignatureInformation, AdditionalSignatureInformation
{
  /**
   * SVUID.
   */
  private static final long serialVersionUID = -2689261480444802213L;
  
  public String date = null;
  public String issuer = null;
  public String signatureValue = null;
  
  public String id = null;
  public String kz = null;
  
  public String sigAlgorithm;
  
  public String sigTimeStamp;
  
  private final static Map OIDMAP;
  
  static {
     OIDMAP = new HashMap();
     OIDMAP.put("2.5.4.4", "SN");
     OIDMAP.put("2.5.4.5", "serialNumber");
     OIDMAP.put("2.5.4.6", "C");
     OIDMAP.put("2.5.4.7", "L");
     OIDMAP.put("2.5.4.8", "ST");
     OIDMAP.put("2.5.4.9", "STREET");
     OIDMAP.put("2.5.4.10", "O");
     OIDMAP.put("2.5.4.11", "OU");
     OIDMAP.put("2.5.4.12", "T");
     OIDMAP.put("2.5.4.42", "givenName");
     OIDMAP.put("2.5.4.43", "initials");
     OIDMAP.put("2.5.4.45", "uniqueIdentifier");
     OIDMAP.put("2.5.4.65", "pseudonym");
  }
  
  /**
   * This is used to transport the response properties to the Detached signator.
   */
  public Properties response_properties = null;
  
  /**
   * The X509Certificate.
   * 
   * <p>
   * This also provides the serial number and name.
   * </p>
   */
  public X509Certificate x509Certificate = null;
  
  // dferbas
  private Map subjectDNMap = new HashMap();
  private Map issuerDNMap = new HashMap();

  /**
   * @see at.knowcenter.wag.egov.egiz.sig.signatureobject.MandatorySignatureInformation#getDate()
   */
  public String getDate()
  {
    return this.date;
  }

  /**
   * @see at.knowcenter.wag.egov.egiz.sig.signatureobject.MandatorySignatureInformation#getIssuer()
   */
  public String getIssuer()
  {
    return this.issuer;
  }

  /**
   * @see at.knowcenter.wag.egov.egiz.sig.signatureobject.MandatorySignatureInformation#getSerialNumber()
   */
  public String getSerialNumber()
  {
    return this.x509Certificate.getSerialNumber().toString();
  }

  /**
   * @see at.knowcenter.wag.egov.egiz.sig.signatureobject.MandatorySignatureInformation#getSignatureValue()
   */
  public String getSignatureValue()
  {
    return this.signatureValue;
  }

  /**
   * @see at.knowcenter.wag.egov.egiz.sig.signatureobject.ConnectorSignatureInformation#getSigID()
   */
  public String getSigID()
  {
    return this.id;
  }

  /**
   * @see at.knowcenter.wag.egov.egiz.sig.signatureobject.AlgorithmSignatureInformation#getSigKZ()
   */
  public String getSigKZ()
  {
    return this.kz;
  }

  /**
   * @see at.knowcenter.wag.egov.egiz.sig.signatureobject.AdditionalSignatureInformation#getName()
   */
  public String getName()
  {
    return this.x509Certificate.getSubjectDN().getName();
  }

  /**
   * @see at.knowcenter.wag.egov.egiz.sig.signatureobject.AdditionalSignatureInformation#getX509Certificate()
   */
  public X509Certificate getX509Certificate()
  {
    return this.x509Certificate;
  }
  
  public String getSigAlgorithm() {
     return this.sigAlgorithm;
  }
  
  public String retrieveStringValue(String sigKey)
  {
    // mandatory
    if (sigKey.equals(SignatureTypes.SIG_DATE))
    {
      return getDate();
    }
    if (sigKey.equals(SignatureTypes.SIG_VALUE))
    {
      return getSignatureValue();
    }
    if (sigKey.equals(SignatureTypes.SIG_ISSUER))
    {
      return getIssuer();
    }
    if (sigKey.equals(SignatureTypes.SIG_NUMBER))
    {
      return getSerialNumber();
    }
    
    // connector
    if (sigKey.equals(SignatureTypes.SIG_ID))
    {
      return getSigID();
    }
    
    // algorithm
    if (sigKey.equals(SignatureTypes.SIG_KZ))
    {
      return getSigKZ(); 
    }

    // additional
    if (sigKey.equals(SignatureTypes.SIG_NAME))
    {
      return getName();
    }
    
    if (sigKey.equals(SignatureTypes.SIG_ALG)) {
       return getSigAlgorithm();
    }
    
    throw new RuntimeException("The key '" + sigKey + "' is not a recognized SignatorObject member."); //$NON-NLS-1$ //$NON-NLS-2$
  }
  
  // dferbas
  
  
  public Map getSubjectDNMap() {
     if (this.subjectDNMap.size() == 0) {
        if (this.getX509Certificate() != null) {
           fillDNMap(this.getX509Certificate().getSubjectX500Principal().getName(X500Principal.RFC2253, OIDMAP), this.subjectDNMap);
        }
     }
     return this.subjectDNMap;
     
  }
  
   public String certSubjectDNPart(String key) {      

      return (String)this.getSubjectDNMap().get(key);
   }
   

   /**
    * Get a timestamp if available as b64 string
    * @see TimeStamper
    * @return
    */
   public String getSigTimeStamp() {
      return this.sigTimeStamp;
   }
   
   public Map getIssuerDNMap() {
      if (this.issuerDNMap.size() == 0) {
         if (this.getX509Certificate() != null) {         
            fillDNMap(this.getX509Certificate().getIssuerX500Principal().getName(X500Principal.RFC2253, OIDMAP), this.issuerDNMap);
         }
      }
      return this.issuerDNMap;
   }

   public String certIssuerDNPart(String key) {      
      if (this.issuerDNMap.size() == 0) {
         if (this.getX509Certificate() != null) {         
            fillDNMap(this.getX509Certificate().getIssuerX500Principal().getName(X500Principal.RFC2253, OIDMAP), this.issuerDNMap);
         }
      }
      return (String)this.getIssuerDNMap().get(key);
   }
   
   private void fillDNMap(String dn, Map dnMap) {

      String[] arr = dn.split("\\s*(,|;)\\s*");
      for (int i = 0; i < arr.length; i++) {
         String[] entry = arr[i].split("\\s*(=)\\s*");
         dnMap.put(entry[0], entry[1]);
      }
   }
   

}