/*
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    * 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/>.
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   */
  
  package org.apache.hc.core5.testing.nio;
  
  import java.io.IOException;
  import java.util.concurrent.Future;
  
  import javax.net.ssl.SSLContext;
  
  import org.apache.hc.core5.concurrent.BasicFuture;
  import org.apache.hc.core5.concurrent.FutureCallback;
  import org.apache.hc.core5.function.Supplier;
  import org.apache.hc.core5.http.HttpHost;
  import org.apache.hc.core5.http.config.CharCodingConfig;
  import org.apache.hc.core5.http.config.Http1Config;
  import org.apache.hc.core5.http.nio.AsyncPushConsumer;
  import org.apache.hc.core5.http.protocol.HttpProcessor;
  import org.apache.hc.core5.http.protocol.RequestHandlerRegistry;
  import org.apache.hc.core5.http2.HttpVersionPolicy;
  import org.apache.hc.core5.http2.config.H2Config;
  import org.apache.hc.core5.http2.impl.H2Processors;
  import org.apache.hc.core5.http2.nio.support.DefaultAsyncPushConsumerFactory;
  import org.apache.hc.core5.reactor.IOEventHandlerFactory;
  import org.apache.hc.core5.reactor.IOReactorConfig;
  import org.apache.hc.core5.reactor.IOSession;
  import org.apache.hc.core5.reactor.ssl.SSLSessionInitializer;
  import org.apache.hc.core5.reactor.ssl.SSLSessionVerifier;
  import org.apache.hc.core5.util.Args;
  import org.apache.hc.core5.util.Timeout;
  
  public class H2TestClient extends AsyncRequester {
  
      private final SSLContext sslContext;
      private final SSLSessionInitializer sslSessionInitializer;
      private final SSLSessionVerifier sslSessionVerifier;
      private final RequestHandlerRegistry<Supplier<AsyncPushConsumer>> registry;
  
      public H2TestClient(
              final IOReactorConfig ioReactorConfig,
              final SSLContext sslContext,
              final SSLSessionInitializer sslSessionInitializer,
              final SSLSessionVerifier sslSessionVerifier) throws IOException {
          super(ioReactorConfig);
          this.sslContext = sslContext;
          this.sslSessionInitializer = sslSessionInitializer;
          this.sslSessionVerifier = sslSessionVerifier;
          this.registry = new RequestHandlerRegistry<>();
      }
  
      public H2TestClient() throws IOException {
          this(IOReactorConfig.DEFAULT, null, null, null);
      }
  
      public void register(final String uriPattern, final Supplier<AsyncPushConsumer> supplier) {
          Args.notNull(uriPattern, "URI pattern");
          Args.notNull(supplier, "Supplier");
          registry.register(null, uriPattern, supplier);
      }
  
      public void start(final IOEventHandlerFactory handlerFactory) throws IOException {
          super.execute(handlerFactory);
      }
  
      public void start(final HttpProcessor httpProcessor, final H2Config h2Config) throws IOException {
          start(new InternalClientH2EventHandlerFactory(
                  httpProcessor,
                  new DefaultAsyncPushConsumerFactory(registry),
                  HttpVersionPolicy.FORCE_HTTP_2,
                  h2Config,
                  Http1Config.DEFAULT,
                  CharCodingConfig.DEFAULT,
                  sslContext,
                  sslSessionInitializer,
                  sslSessionVerifier));
     }
 
     public void start(final HttpProcessor httpProcessor, final Http1Config http1Config) throws IOException {
         start(new InternalClientH2EventHandlerFactory(
                 httpProcessor,
                 new DefaultAsyncPushConsumerFactory(registry),
                 HttpVersionPolicy.FORCE_HTTP_1,
                 H2Config.DEFAULT,
                 http1Config,
                 CharCodingConfig.DEFAULT,
                 sslContext,
                 sslSessionInitializer,
                 sslSessionVerifier));
     }
 
     public void start(final H2Config h2Config) throws IOException {
         start(H2Processors.client(), h2Config);
     }
 
     public void start(final Http1Config http1Config) throws IOException {
         start(H2Processors.client(), http1Config);
     }
 
     public void start() throws Exception {
         start(H2Config.DEFAULT);
     }
 
     public Future<ClientSessionEndpoint> connect(
             final HttpHost host,
             final Timeout timeout,
             final FutureCallback<ClientSessionEndpoint> callback) {
         final BasicFuture<ClientSessionEndpoint> future = new BasicFuture<>(callback);
         requestSession(host, timeout, new FutureCallback<IOSession>() {
 
             @Override
             public void completed(final IOSession session) {
                 future.completed(new ClientSessionEndpoint(session));
             }
 
             @Override
             public void failed(final Exception cause) {
                 future.failed(cause);
             }
 
             @Override
             public void cancelled() {
                 future.cancel();
             }
         });
         return future;
     }
 
     public Future<ClientSessionEndpoint> connect(final HttpHost host,final Timeout timeout) {
         return connect(host, timeout, null);
     }
 
     public Future<ClientSessionEndpoint> connect(final String hostname, final int port, final Timeout timeout) {
         return connect(new HttpHost(hostname, port), timeout, null);
     }
 
 }