/*
    * ====================================================================
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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
   *
   *   http://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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.hc.client5.http.impl.cookie;
  
  import java.time.Instant;
  import java.time.format.DateTimeFormatter;
  import java.time.format.DateTimeFormatterBuilder;
  
  import org.apache.hc.client5.http.cookie.CommonCookieAttributeHandler;
  import org.apache.hc.client5.http.cookie.Cookie;
  import org.apache.hc.client5.http.cookie.MalformedCookieException;
  import org.apache.hc.client5.http.cookie.SetCookie;
  import org.apache.hc.client5.http.utils.DateUtils;
  import org.apache.hc.core5.annotation.Contract;
  import org.apache.hc.core5.annotation.ThreadingBehavior;
  import org.apache.hc.core5.util.Args;
  
  /**
   * Cookie {@code expires} attribute handler.
   *
   * @since 4.0
   */
  @Contract(threading = ThreadingBehavior.STATELESS)
  public class BasicExpiresHandler extends AbstractCookieAttributeHandler implements CommonCookieAttributeHandler {
  
      /** Valid date patterns */
      private final DateTimeFormatter[] datePatterns;
  
      /**
       * @since 5.2
       */
      public BasicExpiresHandler(final DateTimeFormatter... datePatterns) {
          this.datePatterns = datePatterns;
      }
  
      /**
       * @deprecated Use {@link #BasicExpiresHandler(DateTimeFormatter...)}
       */
      @Deprecated
      public BasicExpiresHandler(final String[] datePatterns) {
          Args.notNull(datePatterns, "Array of date patterns");
          this.datePatterns = new DateTimeFormatter[datePatterns.length];
          for (int i = 0; i < datePatterns.length; i++) {
              this.datePatterns[i] = new DateTimeFormatterBuilder()
                      .parseLenient()
                      .parseCaseInsensitive()
                      .appendPattern(datePatterns[i])
                      .toFormatter();
          }
  
      }
  
      @Override
      public void parse(final SetCookie cookie, final String value)
              throws MalformedCookieException {
          Args.notNull(cookie, "Cookie");
          if (value == null) {
              throw new MalformedCookieException("Missing value for 'expires' attribute");
          }
          final Instant expiry = DateUtils.parseDate(value, this.datePatterns);
          if (expiry == null) {
              throw new MalformedCookieException("Invalid 'expires' attribute: "
                      + value);
          }
          cookie.setExpiryDate(expiry);
      }
  
      @Override
      public String getAttributeName() {
          return Cookie.EXPIRES_ATTR;
      }
  
  }