/*
    * 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.syncope.wa.starter;
  
  import static org.junit.jupiter.api.Assertions.fail;
  
  import java.io.InputStream;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Properties;
  import java.util.concurrent.atomic.AtomicReference;
  import javax.security.auth.login.AppConfigurationEntry;
  import javax.security.auth.login.Configuration;
  import org.apache.commons.lang3.StringUtils;
  import org.apache.curator.test.InstanceSpec;
  import org.apache.curator.test.TestingServer;
  import org.apache.zookeeper.server.auth.DigestLoginModule;
  import org.apache.zookeeper.server.auth.SASLAuthenticationProvider;
  import org.springframework.context.ApplicationContextInitializer;
  import org.springframework.context.ConfigurableApplicationContext;
  
  public class ZookeeperTestingServer implements ApplicationContextInitializer<ConfigurableApplicationContext> {
  
      @Override
      public void initialize(final ConfigurableApplicationContext ctx) {
          AtomicReference<Integer> port = new AtomicReference<>();
          AtomicReference<String> username = new AtomicReference<>();
          AtomicReference<String> password = new AtomicReference<>();
          try (InputStream propStream = getClass().getResourceAsStream("/test.properties")) {
              Properties props = new Properties();
              props.load(propStream);
  
              port.set(Integer.valueOf(StringUtils.substringAfter(props.getProperty("keymaster.address"), ":")));
              username.set(props.getProperty("keymaster.username"));
              password.set(props.getProperty("keymaster.password"));
          } catch (Exception e) {
              throw new IllegalStateException("Could not load /test.properties", e);
          }
  
          Configuration.setConfiguration(new Configuration() {
  
              private final AppConfigurationEntry[] entries = {
                  new AppConfigurationEntry(
                  DigestLoginModule.class.getName(),
                  AppConfigurationEntry.LoginModuleControlFlag.REQUIRED,
                  Map.of("user_" + username.get(), password.get()))
              };
  
              @Override
              public AppConfigurationEntry[] getAppConfigurationEntry(final String name) {
                  return entries;
              }
          });
  
          Map<String, Object> customProperties = new HashMap<>();
          customProperties.put("authProvider.1", SASLAuthenticationProvider.class.getName());
          InstanceSpec spec = new InstanceSpec(null, port.get(), -1, -1, true, 1, -1, -1, customProperties);
  
          try {
              new TestingServer(spec, true);
          } catch (Exception e) {
              fail(e);
          }
      }
  }