/*
    * 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.cling.invoker.mvnenc;
  
  import java.util.List;
  import java.util.Map;
  import java.util.Optional;
  
  import org.apache.maven.api.di.Inject;
  import org.apache.maven.api.di.Named;
  import org.apache.maven.api.di.Singleton;
  import org.apache.maven.api.services.Prompter;
  import org.apache.maven.api.services.PrompterException;
  import org.codehaus.plexus.components.secdispatcher.MasterSource;
  import org.codehaus.plexus.components.secdispatcher.MasterSourceMeta;
  import org.codehaus.plexus.components.secdispatcher.SecDispatcher;
  import org.codehaus.plexus.components.secdispatcher.SecDispatcherException;
  
  /**
   * Trivial master password source using Maven {@link Prompter} service.
   */
  @Singleton
  @Named(ConsolePasswordPrompt.NAME)
  public class ConsolePasswordPrompt implements MasterSource, MasterSourceMeta {
      public static final String NAME = "console-prompt";
  
      private final Prompter prompter;
  
      @Inject
      public ConsolePasswordPrompt(Prompter prompter) {
          this.prompter = prompter;
      }
  
      @Override
      public String description() {
          return "Secure console password prompt";
      }
  
      @Override
      public Optional<String> configTemplate() {
          return Optional.empty();
      }
  
      @Override
      public String handle(String config) throws SecDispatcherException {
          if (NAME.equals(config)) {
              try {
                  return prompter.promptForPassword("Enter the master password: ");
              } catch (PrompterException e) {
                  throw new SecDispatcherException("Could not collect the password", e);
              }
          }
          return null;
      }
  
      @Override
      public SecDispatcher.ValidationResponse validateConfiguration(String config) {
          if (NAME.equals(config)) {
              return new SecDispatcher.ValidationResponse(getClass().getSimpleName(), true, Map.of(), List.of());
          }
          return null;
      }
  }