/*
    * 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.goals;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import org.apache.maven.api.services.MessageBuilderFactory;
  import org.apache.maven.cling.invoker.mvnenc.EncryptContext;
  import org.codehaus.plexus.components.secdispatcher.SecDispatcher;
  
  import static org.apache.maven.cling.invoker.mvnenc.EncryptInvoker.BAD_OPERATION;
  import static org.apache.maven.cling.invoker.mvnenc.EncryptInvoker.OK;
  
  /**
   * The "decrypt" goal.
   */
  @Singleton
  @Named("decrypt")
  public class Decrypt extends ConfiguredGoalSupport {
      @Inject
      public Decrypt(MessageBuilderFactory messageBuilderFactory, SecDispatcher secDispatcher) {
          super(messageBuilderFactory, secDispatcher);
      }
  
      @Override
      protected int doExecute(EncryptContext context) throws Exception {
          String encrypted = context.reader.readLine("Enter the password to decrypt: ");
          if (secDispatcher.isAnyEncryptedString(encrypted)) {
              context.terminal.writer().println(secDispatcher.decrypt(encrypted));
              return OK;
          } else {
              context.terminal.writer().println(messageBuilderFactory.builder().error("Malformed encrypted string"));
              return BAD_OPERATION;
          }
      }
  }