/**
 * 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.
 */
package org.apache.metron.solr.matcher;

import org.apache.solr.common.SolrInputDocument;
import org.hamcrest.Description;
import org.mockito.ArgumentMatcher;

import java.util.List;

public class SolrInputDocumentListMatcher implements ArgumentMatcher<List<SolrInputDocument>> {

  private List<SolrInputDocument> expectedSolrInputDocuments;

  public SolrInputDocumentListMatcher(List<SolrInputDocument> solrInputDocuments) {
    this.expectedSolrInputDocuments = solrInputDocuments;
  }

  @Override
  public boolean matches(List<SolrInputDocument> solrInputDocuments) {
    for(int i = 0; i < solrInputDocuments.size(); i++) {
      SolrInputDocument solrInputDocument = solrInputDocuments.get(i);
      for (int j = 0; j < expectedSolrInputDocuments.size(); j++) {
        SolrInputDocument expectedSolrInputDocument = expectedSolrInputDocuments.get(j);
        if (solrInputDocument.get("guid").equals(expectedSolrInputDocument.get("guid"))) {
          for(String field: solrInputDocument.getFieldNames()) {
            Object expectedValue = expectedSolrInputDocument.getField(field).getValue();
            Object value = solrInputDocument.getField(field).getValue();
            boolean matches = expectedValue != null ? expectedValue.equals(value) : value == null;
            if (!matches) {
              return false;
            }
          }
        }
      }
    }
    return true;
  }

  @Override
  public String toString() {
    return expectedSolrInputDocuments.toString();
  }
}
