/*
    * The MIT License (MIT)
    *
    * Copyright (c) 2013 - 2023, Tapio Rautonen
    *
    * Permission is hereby granted, free of charge, to any person obtaining a copy
    * of this software and associated documentation files (the "Software"), to deal
    * in the Software without restriction, including without limitation the rights
    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  package org.eluder.coveralls.maven.plugin.httpclient;
  
  import org.apache.commons.lang3.StringUtils;
  import org.apache.http.HttpHost;
  import org.apache.http.auth.AuthScope;
  import org.apache.http.auth.UsernamePasswordCredentials;
  import org.apache.http.client.CredentialsProvider;
  import org.apache.http.client.HttpClient;
  import org.apache.http.client.config.RequestConfig;
  import org.apache.http.impl.client.BasicCredentialsProvider;
  import org.apache.http.impl.client.HttpClientBuilder;
  import org.apache.maven.settings.Proxy;
  import org.eluder.coveralls.maven.plugin.util.UrlUtils;
  import org.eluder.coveralls.maven.plugin.util.Wildcards;
  
  class HttpClientFactory {
  
      private static final int DEFAULT_CONNECTION_TIMEOUT = 10000;
      private static final int DEFAULT_SOCKET_TIMEOUT = 60000;
  
      private final String targetUrl;
  
      private final HttpClientBuilder hcb = HttpClientBuilder.create();
      private final RequestConfig.Builder rcb = RequestConfig.custom()
              .setConnectTimeout(DEFAULT_CONNECTION_TIMEOUT)
              .setSocketTimeout(DEFAULT_SOCKET_TIMEOUT);
  
      HttpClientFactory(final String targetUrl) {
          this.targetUrl = targetUrl;
      }
  
      public HttpClientFactory proxy(final Proxy proxy) {
          if (proxy != null && isProxied(targetUrl, proxy)) {
              rcb.setProxy(new HttpHost(proxy.getHost(), proxy.getPort(), proxy.getProtocol()));
              if (StringUtils.isNotBlank(proxy.getUsername())) {
                  CredentialsProvider cp = new BasicCredentialsProvider();
                  cp.setCredentials(
                          new AuthScope(proxy.getHost(), proxy.getPort()),
                          new UsernamePasswordCredentials(proxy.getUsername(), proxy.getPassword())
                  );
                  hcb.setDefaultCredentialsProvider(cp);
              }
          }
          return this;
      }
  
      public HttpClient create() {
          return hcb.setDefaultRequestConfig(rcb.build()).build();
      }
  
      private boolean isProxied(final String url, final Proxy proxy) {
          if (StringUtils.isNotBlank(proxy.getNonProxyHosts())) {
              String host = UrlUtils.create(url).getHost();
              String[] excludes = proxy.getNonProxyHosts().split("\\|", -1);
              for (String exclude : excludes) {
                  if (StringUtils.isNotBlank(exclude) && Wildcards.matches(host, exclude.trim())) {
                      return false;
                  }
              }
          }
          return true;
      }
  }