/*
    * 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.secdispatcher;
  
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import java.util.Map;
  
  import org.apache.maven.api.Constants;
  import org.apache.maven.api.di.Named;
  import org.apache.maven.api.di.Provides;
  import org.codehaus.plexus.components.secdispatcher.Cipher;
  import org.codehaus.plexus.components.secdispatcher.Dispatcher;
  import org.codehaus.plexus.components.secdispatcher.MasterSource;
  import org.codehaus.plexus.components.secdispatcher.SecDispatcher;
  import org.codehaus.plexus.components.secdispatcher.internal.DefaultSecDispatcher;
  import org.codehaus.plexus.components.secdispatcher.internal.cipher.AESGCMNoPadding;
  import org.codehaus.plexus.components.secdispatcher.internal.dispatchers.LegacyDispatcher;
  import org.codehaus.plexus.components.secdispatcher.internal.dispatchers.MasterDispatcher;
  import org.codehaus.plexus.components.secdispatcher.internal.sources.EnvMasterSource;
  import org.codehaus.plexus.components.secdispatcher.internal.sources.GpgAgentMasterSource;
  import org.codehaus.plexus.components.secdispatcher.internal.sources.PinEntryMasterSource;
  import org.codehaus.plexus.components.secdispatcher.internal.sources.SystemPropertyMasterSource;
  
  /**
   * Delegate that offers just the minimal surface needed to decrypt settings.
   */
  @SuppressWarnings("unused")
  @Named
  public class SecDispatcherProvider {
  
      private static final String FILE_NAME = "settings-security4.xml";
  
      @Provides
      public static SecDispatcher secDispatcher(Map<String, Dispatcher> dispatchers) {
          return new DefaultSecDispatcher(dispatchers, configurationFile());
      }
  
      @Provides
      @Named(LegacyDispatcher.NAME)
      public static Dispatcher legacyDispatcher() {
          return new LegacyDispatcher();
      }
  
      @Provides
      @Named(MasterDispatcher.NAME)
      public static Dispatcher masterDispatcher(
              Map<String, Cipher> masterCiphers, Map<String, MasterSource> masterSources) {
          return new MasterDispatcher(masterCiphers, masterSources);
      }
  
      @Provides
      @Named(AESGCMNoPadding.CIPHER_ALG)
      public static Cipher aesGcmNoPaddingCipher() {
          return new AESGCMNoPadding();
      }
  
      @Provides
      @Named(EnvMasterSource.NAME)
      public static MasterSource envMasterSource() {
          return new EnvMasterSource();
      }
  
      @Provides
      @Named(GpgAgentMasterSource.NAME)
      public static MasterSource gpgAgentMasterSource() {
          return new GpgAgentMasterSource();
      }
  
      @Provides
      @Named(PinEntryMasterSource.NAME)
      public static MasterSource pinEntryMasterSource() {
          return new PinEntryMasterSource();
      }
  
      @Provides
      @Named(SystemPropertyMasterSource.NAME)
      public static MasterSource systemPropertyMasterSource() {
          return new SystemPropertyMasterSource();
      }
  
      private static Path configurationFile() {
          String mavenUserConf = System.getProperty(Constants.MAVEN_USER_CONF);
         if (mavenUserConf != null) {
             return Paths.get(mavenUserConf, FILE_NAME);
         }
         // this means we are in UT or alike
         return Paths.get(System.getProperty("user.home"), ".m2", FILE_NAME);
     }
 }