/*
    * 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.maven.internal.impl;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import java.lang.reflect.Method;
  import java.util.List;
  
  import org.apache.maven.api.services.Prompter;
  import org.apache.maven.api.services.PrompterException;
  import org.codehaus.plexus.PlexusContainer;
  
  @Named
  @Singleton
  public class DefaultPrompter implements Prompter {
  
      private static final String PROMPTER_CLASS = "org.codehaus.plexus.components.interactivity.Prompter";
      private final PlexusContainer container;
  
      @Inject
      public DefaultPrompter(PlexusContainer container) {
          this.container = container;
      }
  
      @Override
      public String prompt(String message, List<String> possibleValues, String defaultReply) throws PrompterException {
          try {
              Class<?> clazz = container.getContainerRealm().loadClass(PROMPTER_CLASS);
              Object instance = container.lookup(clazz);
              Method method = clazz.getMethod("prompt", String.class, List.class, String.class);
              return (String) method.invoke(instance, message, possibleValues, defaultReply);
          } catch (Exception e) {
              throw new PrompterException("Unable to call prompter", e);
          }
      }
  
      @Override
      public String promptForPassword(String message) throws PrompterException {
          try {
              Class<?> clazz = container.getContainerRealm().loadClass(PROMPTER_CLASS);
              Object instance = container.lookup(clazz);
              Method method = clazz.getMethod("promptForPassword", String.class);
              return (String) method.invoke(instance, message);
          } catch (Exception e) {
              throw new PrompterException("Unable to call prompter", e);
          }
      }
  
      @Override
      public void showMessage(String message) throws PrompterException {
          try {
              Class<?> clazz = container.getContainerRealm().loadClass(PROMPTER_CLASS);
              Object instance = container.lookup(clazz);
              Method method = clazz.getMethod("showMessage", String.class);
              method.invoke(instance, message);
          } catch (Exception e) {
              throw new PrompterException("Unable to call prompter", e);
          }
      }
  }