package test.at.gv.egovernment.moa.spss.server.config;

import static org.junit.jupiter.api.Assertions.assertEquals;

import java.io.IOException;
import java.security.cert.CertificateException;

import org.junit.runners.MethodSorters;
import org.junit.FixMethodOrder;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.BlockJUnit4ClassRunner;

import at.gv.egovernment.moa.spss.server.config.ConfigurationProvider;
import iaik.asn1.ObjectID;
import iaik.asn1.structures.Name;
import iaik.utils.RFC2253NameParser;
import iaik.utils.RFC2253NameParserException;
import iaik.x509.X509Certificate;

@RunWith(BlockJUnit4ClassRunner.class)
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class X500NormalisationTest {

  private static final String RESULT = 
      "C=AT,O=Swisscom IT Services Finance S.E.,organizationIdentifier=VATAT-U64741248,OU=Digital Certificate Services,CN=Swisscom Diamant EU CA 4.1";
  
  @Test
  public void aaa_withCertificate() throws CertificateException, IOException, RFC2253NameParserException { 
    
    X509Certificate eeCert = new X509Certificate(
        X500NormalisationTest.class.getResourceAsStream("/data/ee.crt"));
    
    String normalizedName = ConfigurationProvider.normalizeX500Names(((Name)eeCert.getIssuerDN()).getRFC2253String());
  
    assertEquals(RESULT, normalizedName);
    
  }
  
  @Test
  public void aaa_withString() throws CertificateException, IOException, RFC2253NameParserException {     
    String normalizedName = ConfigurationProvider.normalizeX500Names(RESULT);
  
    assertEquals(RESULT, normalizedName);
    
  }
  
  @Ignore
  @Test
  public void aaa_withStringSecond() throws CertificateException, IOException, RFC2253NameParserException {     
    String normalizedName = ConfigurationProvider.normalizeX500Names(
        "organizationIdentifier=VATAT-U64741248,OU=Digital Certificate Services,CN=Swisscom Diamant EU CA 4.1,O=Swisscom IT Services Finance S.E.,C=AT");
  
    assertEquals(RESULT, normalizedName);
    
  }
  
  @Test
  public void bbb_withCertificateDetailedImpl() throws CertificateException, IOException, RFC2253NameParserException { 
    
    X509Certificate eeCert = new X509Certificate(
        X500NormalisationTest.class.getResourceAsStream("/data/ee.crt"));
    
    RFC2253NameParser.register(
        "organizationIdentifier",
        new ObjectID("2.5.4.97", "organizationIdentifier", (String) null, false));
    
    final RFC2253NameParser parser = new RFC2253NameParser(((Name)eeCert.getIssuerDN()).getRFC2253String());
    final Name name = parser.parse();
    String normalizedName = name.getRFC2253String();
   
    assertEquals(RESULT, normalizedName);
    
  }
  
  @Test
  public void bbb_withString() throws CertificateException, IOException, RFC2253NameParserException { 
    RFC2253NameParser.register(
        "organizationIdentifier",
        new ObjectID("2.5.4.97", "organizationIdentifier", (String) null, false));
    
    final RFC2253NameParser parser = new RFC2253NameParser(RESULT);
    final Name name = parser.parse();
    String normalizedName = name.getRFC2253String();
   
    assertEquals(RESULT, normalizedName);
    
    name.getRFC2253String(true);
    name.getRFC2253String(false);
    
  }
  
  @Test
  public void bbb_withStringSecond() throws CertificateException, IOException, RFC2253NameParserException {
    RFC2253NameParser.register(
        "organizationIdentifier",
        new ObjectID("2.5.4.97", "organizationIdentifier", (String) null, false));
    
    final RFC2253NameParser parser = new RFC2253NameParser(
        "C=AT,O=Swisscom IT Services Finance S.E.,organizationIdentifier=VATAT-U64741248,OU=Digital Certificate Services,CN=Swisscom Diamant EU CA 4.1");
    final Name name = parser.parse();
    String normalizedName = name.getRFC2253String();
    

  
    assertEquals(RESULT, normalizedName);
    
  }   
  
  /*
   * Ignored, because 'ORG_ID' from original Cert is not valid. 
   * Reason: underline '_' is not an allowed attributeType (see Section 3 https://www.rfc-editor.org/rfc/rfc2253.html)
   *  - attributeType = (ALPHA 1*keychar) / oid
   *  - keychar    = ALPHA / DIGIT / "-"      
   */
  @Ignore 
  @Test
  public void ccc_withStringSecond() throws CertificateException, IOException, RFC2253NameParserException {
    RFC2253NameParser.register(
        "ORG-ID",
        new ObjectID("2.5.4.97", "organizationIdentifier", (String) null, false));
    
    final RFC2253NameParser parser = new RFC2253NameParser(
        "ORG-ID=VATAT-U64741248,OU=Digital Certificate Services,CN=Swisscom Diamant EU CA 4.1,O=Swisscom IT Services Finance S.E.,C=AT");
    final Name name = parser.parse();
    String normalizedName = name.getRFC2253String();
    

  
    assertEquals(RESULT, normalizedName);
    
  } 
  
}