/*
    * ====================================================================
    * 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;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.List;
  import java.util.Objects;
  
  import org.apache.hc.core5.http.NameValuePair;
  import org.hamcrest.BaseMatcher;
  import org.hamcrest.Description;
  import org.hamcrest.Matcher;
  
  public class NameValuePairsMatcher extends BaseMatcher<Collection<? extends NameValuePair>> {
  
      private final List<? extends NameValuePair> expectedNameValuePairList;
  
      public NameValuePairsMatcher(final List<? extends NameValuePair> nameValuePairList) {
          this.expectedNameValuePairList = nameValuePairList;
      }
  
      @Override
      public boolean matches(final Object item) {
          if (item instanceof Collection<?>) {
              final Collection<?> collection = (Collection<?>) item;
              int i = 0;
              for (final Object obj : collection) {
                  if (obj instanceof NameValuePair) {
                      final NameValuePair nvp1 = (NameValuePair) obj;
                      final NameValuePair nvp2 = expectedNameValuePairList.get(i);
                      if (!nvp1.getName().equalsIgnoreCase(nvp2.getName())
                              || !Objects.equals(nvp1.getValue(), nvp2.getValue())) {
                          return false;
                      }
                  } else {
                      return false;
                  }
                  i++;
              }
              return true;
          }
          return false;
      }
  
      @Override
      public void describeTo(final Description description) {
          description.appendText("same name/value pairs as ").appendValueList("[", ", ", "]", expectedNameValuePairList);
      }
  
      public static Matcher<Collection<? extends NameValuePair>> same(final Collection<? extends NameValuePair> nameValuePairs) {
          return new NameValuePairsMatcher(new ArrayList<>(nameValuePairs));
      }
  
      public static Matcher<Collection<? extends NameValuePair>> same(final NameValuePair... nameValuePairs) {
          return new NameValuePairsMatcher(Arrays.asList(nameValuePairs));
      }
  
  }