/*
    * 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.eclipse.aether.transport.apache;
  
  import java.io.IOException;
  import java.nio.charset.StandardCharsets;
  
  import org.apache.http.Header;
  import org.apache.http.HttpHeaders;
  import org.apache.http.HttpRequest;
  import org.apache.http.client.HttpResponseException;
  import org.apache.http.client.methods.CloseableHttpResponse;
  import org.apache.http.util.EntityUtils;
  import org.eclipse.aether.spi.connector.transport.http.HttpConstants;
  import org.eclipse.aether.spi.connector.transport.http.RFC9457.RFC9457Reporter;
  
  public class ApacheRFC9457Reporter extends RFC9457Reporter<CloseableHttpResponse, HttpResponseException, HttpRequest> {
      public static final ApacheRFC9457Reporter INSTANCE = new ApacheRFC9457Reporter();
  
      private ApacheRFC9457Reporter() {}
  
      @Override
      public void prepareRequest(HttpRequest request) {
          request.addHeader(HttpConstants.ACCEPT, CONTENT_TYPE_PROBLEM_DETAILS_JSON);
      }
  
      @Override
      protected boolean isRFC9457Message(final CloseableHttpResponse response) {
          Header[] headers = response.getHeaders(HttpHeaders.CONTENT_TYPE);
          if (headers.length > 0) {
              String contentType = headers[0].getValue();
              return hasRFC9457ContentType(contentType);
          }
          return false;
      }
  
      @Override
      protected int getStatusCode(final CloseableHttpResponse response) {
          return response.getStatusLine().getStatusCode();
      }
  
      @Override
      protected String getReasonPhrase(final CloseableHttpResponse response) {
          String reasonPhrase = response.getStatusLine().getReasonPhrase();
          if (reasonPhrase == null || reasonPhrase.isEmpty()) {
              return "";
          }
          int statusCode = getStatusCode(response);
          return reasonPhrase + " (" + statusCode + ")";
      }
  
      @Override
      protected String getBody(final CloseableHttpResponse response) throws IOException {
          return EntityUtils.toString(response.getEntity(), StandardCharsets.UTF_8);
      }
  }