/*
    * Copyright (c) 2002-2025 Gargoyle Software Inc.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    * https://www.apache.org/licenses/LICENSE-2.0
    *
    * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.htmlunit.httpclient;
  
  import static org.htmlunit.BrowserVersionFeatures.HTTP_COOKIE_EXTENDED_DATE_PATTERNS_1;
  import static org.htmlunit.BrowserVersionFeatures.HTTP_COOKIE_EXTENDED_DATE_PATTERNS_2;
  
  import java.util.Date;
  
  import org.apache.http.client.utils.DateUtils;
  import org.apache.http.cookie.MalformedCookieException;
  import org.apache.http.cookie.SetCookie;
  import org.apache.http.impl.cookie.BasicExpiresHandler;
  import org.htmlunit.BrowserVersion;
  
  /**
   * Customized BasicExpiresHandler for HtmlUnit.
   *
   * @author Mike Bowler
   * @author Noboru Sinohara
   * @author David D. Kilzer
   * @author Marc Guillemot
   * @author Brad Clarke
   * @author Ahmed Ashour
   * @author Nicolas Belisle
   * @author Ronald Brill
   * @author John J Murdoch
   */
  final class HtmlUnitExpiresHandler extends BasicExpiresHandler {
  
      // simplified patterns from BrowserCompatSpec, with yy patterns before similar yyyy patterns
      private static final String[] DEFAULT_DATE_PATTERNS = {
          "EEE MMM dd yyyy HH mm ss 'GMT'Z",
          "EEE dd MMM yy HH mm ss zzz",
          "EEE dd MMM yyyy HH mm ss zzz",
          "EEE MMM d HH mm ss yyyy",
          "EEE dd MMM yy HH mm ss z ",
          "EEE dd MMM yyyy HH mm ss z ",
          "EEE dd MM yy HH mm ss z ",
          "EEE dd MM yyyy HH mm ss z ",
      };
  
      private static final String[] EXTENDED_DATE_PATTERNS_1 = {
          "EEE MMM dd yyyy HH mm ss 'GMT'Z",
          "EEE dd MMM yy HH mm ss zzz",
          "EEE dd MMM yyyy HH mm ss zzz",
          "EEE MMM d HH mm ss yyyy",
          "EEE dd MMM yy HH mm ss z ",
          "EEE dd MMM yyyy HH mm ss z ",
          "EEE dd MM yy HH mm ss z ",
          "EEE dd MM yyyy HH mm ss z ",
          "d/M/yyyy"
      };
  
      private static final String[] EXTENDED_DATE_PATTERNS_2 = {
          "EEE MMM dd yyyy HH mm ss 'GMT'Z",
          "EEE dd MMM yy HH mm ss zzz",
          "EEE dd MMM yyyy HH mm ss zzz",
          "EEE MMM d HH mm ss yyyy",
          "EEE dd MMM yy HH mm ss z ",
          "EEE dd MMM yyyy HH mm ss z ",
          "EEE dd MM yy HH mm ss z ",
          "EEE dd MM yyyy HH mm ss z ",
          "EEE dd MMM yy HH MM ss z",
          "MMM dd yy HH mm ss"
      };
  
      private final BrowserVersion browserVersion_;
  
      HtmlUnitExpiresHandler(final BrowserVersion browserVersion) {
          super(DEFAULT_DATE_PATTERNS);
          browserVersion_ = browserVersion;
      }
  
      @Override
      public void parse(final SetCookie cookie, String value) throws MalformedCookieException {
          if (value.startsWith("\"") && value.endsWith("\"")) {
              value = value.substring(1, value.length() - 1);
          }
          value = value.replaceAll("[ ,:-]+", " ");
  
          Date startDate = null;
          String[] datePatterns = DEFAULT_DATE_PATTERNS;
  
          if (null != browserVersion_) {
              startDate = HtmlUnitBrowserCompatCookieSpec.DATE_1_1_1970;
  
             if (browserVersion_.hasFeature(HTTP_COOKIE_EXTENDED_DATE_PATTERNS_1)) {
                 datePatterns = EXTENDED_DATE_PATTERNS_1;
             }
 
             if (browserVersion_.hasFeature(HTTP_COOKIE_EXTENDED_DATE_PATTERNS_2)) {
                 datePatterns = EXTENDED_DATE_PATTERNS_2;
             }
         }
 
         final Date expiry = DateUtils.parseDate(value, datePatterns, startDate);
         cookie.setExpiryDate(expiry);
     }
 }