/**
 * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
 * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
 * joint initiative of the Federal Chancellery Austria and Graz University of
 * Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */
package at.gv.egiz.pdfas.impl.api.verify;

import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import at.gv.egiz.pdfas.api.exceptions.PdfAsException;
import at.gv.egiz.pdfas.api.verify.SignatureCheck;
import at.gv.egiz.pdfas.api.verify.VerifyResult;
import at.gv.egiz.pdfas.api.xmldsig.XMLDsigData;
import at.gv.egiz.pdfas.impl.api.commons.SignatureInformationAdapter;
import at.knowcenter.wag.egov.egiz.exceptions.SettingNotFoundException;
import at.knowcenter.wag.egov.egiz.pdf.BinarySignatureHolder;
import at.knowcenter.wag.egov.egiz.pdf.SignatureHolder;
import at.knowcenter.wag.egov.egiz.sig.SignatureResponse;


/**
 * Implements the VerifyResult interface.
 * 
 * @author wprinz
 */
public class VerifyResultAdapter extends SignatureInformationAdapter implements VerifyResult
{
  protected SignatureResponse sigRes = null;

  /**
   * The log.
   */
  private static final Log logger_ = LogFactory.getLog(VerifyResultAdapter.class);
  
  protected Date vTime = null;

  private String timestamp;

  private XMLDsigData xmlDsigData;
  

  /**
   * Constructor.
   * 
   * @param sigRes
   *          The SignatureResponse.
   * @param sh
   *          The SignatureHolder.
   * @param verificationTime
   *          The time of verification. This is directly returned by {@link #getVerificationTime()}
 * @param xmlDsigData 
   */
  public VerifyResultAdapter(SignatureResponse sigRes, SignatureHolder sh, Date verificationTime, XMLDsigData xmlDsigData)
  {
    super(sh);
    this.sigRes = sigRes;
    this.vTime = verificationTime;
    this.xmlDsigData = xmlDsigData;
    if (sh instanceof BinarySignatureHolder) {
       this.timestamp = ((BinarySignatureHolder)sh).getSignatureObject().getTimeStamp();
    }    
    // [tknall] start: missing time of verification fixed
    if (this.vTime == null) {
   	 // verification time not been set (= null) therefore signingtime equals verificationtime
   	 this.vTime = super.getSigningTime();
    }
    // [tknall] stop: missing time of verification fixed
  }

  /**
   * @see at.gv.egiz.pdfas.api.verify.VerifyResult#getCertificateCheck()
   */
  public SignatureCheck getCertificateCheck()
  {
    return new SignatureCheckImpl(Integer.parseInt(this.sigRes.getCertificateCheckCode()), this.sigRes.getCertificateCheckInfo());
  }

  /**
   * @see at.gv.egiz.pdfas.api.verify.VerifyResult#getManifestCheckCode()
   */
  public SignatureCheck getManifestCheckCode()
  {
    return new SignatureCheckImpl(Integer.parseInt(this.sigRes.getSignatureManifestCheckCode()), this.sigRes.getSignatureManifestCheckInfo());
  }

  /**
   * @see at.gv.egiz.pdfas.api.verify.VerifyResult#getValueCheckCode()
   */
  public SignatureCheck getValueCheckCode()
  {
    return new SignatureCheckImpl(Integer.parseInt(this.sigRes.getSignatureCheckCode()), this.sigRes.getSignatureCheckInfo());
  }

  /**
   * @see at.gv.egiz.pdfas.api.verify.VerifyResult#getVerificationTime()
   */
  public Date getVerificationTime()
  {
    return this.vTime;
  }

  /**
   * @see at.gv.egiz.pdfas.api.verify.VerifyResult#isQualifiedCertificate()
   */
  public boolean isQualifiedCertificate()
  {
    return this.sigRes.isQualifiedCertificate();
  }
  
  /**
   * @see at.gv.egiz.pdfas.api.verify.VerifyResult#getPublicProperties()
   */
  public List getPublicProperties()
  {
    try
    {
      return this.sigRes.getPublicProperties();
    }
    catch (SettingNotFoundException e)
    {
      logger_.error(e.getMessage(), e);
      return new ArrayList();
    }
  }

  /**
   * @see at.gv.egiz.pdfas.api.commons.SignatureInformation#getInternalSignatureInformation()
   */
  public Object getInternalSignatureInformation()
  {
    return null;
  }

  /**
   * @see at.gv.egiz.pdfas.api.commons.SignatureInformation#getSignerCertificate()
   */
  public X509Certificate getSignerCertificate()
  {
    // TODO this should be the same as the signature holder's cert.
    return this.sigRes.getCertificate().getX509Certificate();
  }

  /**
   * @see at.gv.egiz.pdfas.api.verify.VerifyResult#getHashInputData()
   */
  public String getHashInputData()
  {
    return this.sigRes.getHashInputData();
  }


  /**
   * @see at.gv.egiz.pdfas.api.verify.VerifyResult#getPublicAuthorityCode()
   */
  public String getPublicAuthorityCode() {
   return this.sigRes.getPublicAuthorityCode();
  }

  /**
   * @see at.gv.egiz.pdfas.api.verify.VerifyResult#isPublicAuthority()
   */
  public boolean isPublicAuthority() {
   return this.sigRes.isPublicAuthority();
  }

   public PdfAsException getVerificationException() {
      return this.sigRes.getVerificationImpossibleEx();
   }
   
   public boolean isVerificationDone() {
      return this.sigRes.getVerificationImpossibleEx() == null;
   }

   /**
    * @see VerifyResult#getReconstructedXMLDsig()
    */
   public XMLDsigData getReconstructedXMLDsig() {
      return this.xmlDsigData;
   }
  
}