/*
    * ====================================================================
    * 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.testing.sync;
  
  import java.io.IOException;
  
  import org.apache.hc.client5.http.config.RequestConfig;
  import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
  import org.apache.hc.client5.http.impl.classic.HttpClientBuilder;
  import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager;
  import org.apache.hc.client5.testing.SSLTestContexts;
  import org.apache.hc.client5.testing.classic.EchoHandler;
  import org.apache.hc.client5.testing.classic.RandomHandler;
  import org.apache.hc.core5.function.Decorator;
  import org.apache.hc.core5.http.HttpHost;
  import org.apache.hc.core5.http.URIScheme;
  import org.apache.hc.core5.http.config.Http1Config;
  import org.apache.hc.core5.http.io.HttpServerRequestHandler;
  import org.apache.hc.core5.http.io.SocketConfig;
  import org.apache.hc.core5.http.protocol.HttpProcessor;
  import org.apache.hc.core5.io.CloseMode;
  import org.apache.hc.core5.io.Closer;
  import org.apache.hc.core5.testing.classic.ClassicTestServer;
  import org.apache.hc.core5.util.Timeout;
  import org.junit.Rule;
  import org.junit.rules.ExternalResource;
  
  /**
   * Base class for tests using local test server. The server will not be started per default.
   */
  public abstract class LocalServerTestBase {
  
      public static final Timeout TIMEOUT = Timeout.ofSeconds(30);
      public static final Timeout LONG_TIMEOUT = Timeout.ofSeconds(60);
  
      public LocalServerTestBase(final URIScheme scheme) {
          this.scheme = scheme;
      }
  
      public LocalServerTestBase() {
          this(URIScheme.HTTP);
      }
  
      protected final URIScheme scheme;
  
      protected ClassicTestServer server;
  
      @Rule
      public ExternalResource serverResource = new ExternalResource() {
  
          @Override
          protected void before() throws Throwable {
              server = new ClassicTestServer(
                      scheme == URIScheme.HTTPS ? SSLTestContexts.createServerSSLContext() : null,
                      SocketConfig.custom()
                              .setSoTimeout(TIMEOUT)
                              .build());
              server.registerHandler("/echo/*", new EchoHandler());
              server.registerHandler("/random/*", new RandomHandler());
          }
  
          @Override
          protected void after() {
              if (server != null) {
                  try {
                      server.shutdown(CloseMode.IMMEDIATE);
                      server = null;
                  } catch (final Exception ignore) {
                  }
              }
          }
  
      };
  
     protected PoolingHttpClientConnectionManager connManager;
     protected HttpClientBuilder clientBuilder;
     protected CloseableHttpClient httpclient;
 
     @Rule
     public ExternalResource clientResource = new ExternalResource() {
 
         @Override
         protected void before() throws Throwable {
             connManager = new PoolingHttpClientConnectionManager();
             connManager.setDefaultSocketConfig(SocketConfig.custom()
                     .setSoTimeout(TIMEOUT)
                     .build());
             clientBuilder = HttpClientBuilder.create()
                     .setDefaultRequestConfig(RequestConfig.custom()
                             .setConnectionRequestTimeout(TIMEOUT)
                             .setConnectTimeout(TIMEOUT)
                             .build())
                     .setConnectionManager(connManager);
         }
 
         @Override
         protected void after() {
             Closer.closeQuietly(httpclient);
             httpclient = null;
         }
 
     };
 
     public HttpHost start(
             final Http1Config http1Config,
             final HttpProcessor httpProcessor,
             final Decorator<HttpServerRequestHandler> handlerDecorator) throws IOException {
         this.server.start(http1Config, httpProcessor, handlerDecorator);
 
         if (this.httpclient == null) {
             this.httpclient = this.clientBuilder.build();
         }
 
         return new HttpHost(this.scheme.name(), "localhost", this.server.getPort());
     }
 
     public HttpHost start(
             final HttpProcessor httpProcessor,
             final Decorator<HttpServerRequestHandler> handlerDecorator) throws IOException {
         return start(null, httpProcessor, handlerDecorator);
     }
 
     public HttpHost start() throws Exception {
         return start(null, null, null);
     }
 
 }