/*
 * Copyright 2003 Federal Chancellery Austria
 * MOA-SPSS has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, 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.egovernment.moa.spss.server.config;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;

import at.gv.egovernment.moa.sig.tsl.TslConstants;
import at.gv.egovernment.moaspss.logging.Logger;
import at.gv.egovernment.moaspss.util.MiscUtil;
import iaik.x509.X509Certificate;

/**
 * Information about a trust profile.
 * 
 * @author Patrick Peck
 * @version $Id$
 */
public class TrustProfile {
  /** The ID of the trust profile. */
  private String id;
  /** The URI giving the location of the trust profile. */
  private String uri;
  /** The URI giving the location of the allowed signer certificates. */
  private String signerCertsUri;

  /** Defines if Trustprofile makes use of EU TSL*/
  private boolean tslEnabled;
  /** The countries given */  
  private List<String> countries = new ArrayList<String>();
  
  private List<URI> allowedTspStatus = new ArrayList<URI>();
  private List<Pattern> allowedTspServiceTypes = new ArrayList<Pattern>();
  
  
  /**
   * Create a <code>TrustProfile</code>.
   * 
   * @param id The ID of the <code>TrustProfile</code> to create.
   * @param uri The URI of the <code>TrustProfile</code> to create.
   * @param signerCertsUri The URI of the location of the allowed signer
   *        certificates of the <code>TrustProfile</code> to create.
 * @param allowedTspServiceTypes 
 * @param allowedTspStatus 
   */
  public TrustProfile(String id, String uri, String signerCertsUri, 
		  boolean tslEnabled, String countries, String allowedTspStatus, String allowedTspServiceTypes) {
    this.id = id;
    this.uri = uri;
    this.signerCertsUri = signerCertsUri;
    
    //TSL configuration parameters
    this.tslEnabled = tslEnabled;

    if (tslEnabled) {    	
    	setCountries(countries);
    	if (!this.countries.isEmpty())
    		Logger.info("TrustProfile "+ id + " allows " + Arrays.toString(this.countries.toArray()) + " TSL countries");
    	else
    		Logger.info("TrustProfile "+ id + " allows " + "ALL" + " TSL countries");
    
    	setAllowedTspStatus(allowedTspStatus);
    	Logger.info("TrustProfile "+ id + " allows " + Arrays.toString(this.allowedTspStatus.toArray()) + " TSP status identifier");
    	
    	setAllowedTspServiceTypes(allowedTspServiceTypes);
    	Logger.info("TrustProfile "+ id + " allows " + Arrays.toString(this.allowedTspServiceTypes.toArray()) + " TSL service-type identifier");
    	
    }            
  }

  private void setCountries(String countries) {
	  if (MiscUtil.isNotEmpty(countries)) {
		 String[] ccArray = countries.split(","); 
		 for (String el : ccArray) 
			 this.countries.add(el.trim());
		  
	  }	  	  
  }
  
  private void setAllowedTspStatus(String allowedTspStatus) {
	  if (MiscUtil.isNotEmpty(allowedTspStatus)) {
		 String[] ccArray = allowedTspStatus.split(","); 
		 for (String el : ccArray) {
			 try {
				this.allowedTspStatus.add(new URI(el.trim()));
				
			} catch (URISyntaxException e) {
				Logger.warn("TrustProfile: " + this.id + " contains a non-valid TSP Status identifier (" + el + ")");
				
			}
			 
		 }
		  
	  }	else {
		  Logger.debug("Use default set of TSP Status identifier");
		  this.allowedTspStatus.addAll(
				  Arrays.asList(
							TslConstants.SERVICE_STATUS_SORT_TO_URI.get(TslConstants.SERVICE_STATUS_SHORT.granted),
							TslConstants.SERVICE_STATUS_SORT_TO_URI.get(TslConstants.SERVICE_STATUS_SHORT.recognisedatnationallevel),
							TslConstants.SERVICE_STATUS_SORT_TO_URI.get(TslConstants.SERVICE_STATUS_SHORT.accredited),
							TslConstants.SERVICE_STATUS_SORT_TO_URI.get(TslConstants.SERVICE_STATUS_SHORT.undersupervision)));
		  
	  }
	  
  }
  
  private void setAllowedTspServiceTypes(String allowedTspServiceTypes) {
	  if (MiscUtil.isNotEmpty(allowedTspServiceTypes)) {
			 String[] ccArray = allowedTspServiceTypes.split(","); 
			 for (String el : ccArray) {
				 try {
					this.allowedTspServiceTypes.add(Pattern.compile(el.trim()));
					
				} catch (PatternSyntaxException e) {
					Logger.warn("TrustProfile: " + this.id + " contains a non-valid TSP Service-Type identifier Regex pattern(" + el + ")");
					
				}
				 
			 }
			  
		  }	else {
			  Logger.debug("Use default set of TSP Service-Type identifier");
			  this.allowedTspServiceTypes.addAll(
					  Arrays.asList(
							  Pattern.compile(TslConstants.DEFAULT_REGEX_PATTERN_ALLOW_ALL)));
			  
		  }
	  
  }
  
  /**
   * Return the ID of this <code>TrustProfile</code>.
   * 
   * @return The <code>TrustProfile</code> ID.
   */
  public String getId() {
    return id;
  }

  /**
   * Return the URI of this <code>TrustProfile</code>.
   * 
   * @return The URI of <code>TrustProfile</code>.
   */
  public String getUri() {
    return uri;
  }
  

  /**
   * Return the URI giving the location of the allowed signer certificates
   * of this <code>TrustProfile</code>.
   * 
   * @return The URI of <code>TrustProfile</code>.
   */
  public String getSignerCertsUri() {
    return signerCertsUri;
  }
  /**
   * Returns if Trustprofile is TSL enabled
   * @return
   */
  public boolean isTSLEnabled() {
	  return tslEnabled;
  }
  /**
   * Returns the given countries
   * @return Given countries
   */
  public List<String> getCountries() {
	  if (!tslEnabled)
		  return null;
	  else
		  return countries;
  }

  public List<URI> getAllowedTspStatus() {
	  return allowedTspStatus;
  }

  public List<Pattern> getAllowedTspServiceTypes() {
	  return allowedTspServiceTypes;
  }
  
  
  
}