/*
    * 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.util.Map;
  import java.util.Optional;
  
  import org.apache.maven.api.Packaging;
  import org.apache.maven.api.Type;
  import org.apache.maven.api.services.PackagingRegistry;
  import org.apache.maven.api.services.TypeRegistry;
  import org.apache.maven.lifecycle.mapping.LifecycleMapping;
  
  /**
   * TODO: this is session scoped as SPI can contribute.
   */
  @Named
  @Singleton
  public class DefaultPackagingRegistry implements PackagingRegistry {
      private final Map<String, LifecycleMapping> lifecycleMappings;
  
      private final TypeRegistry typeRegistry;
  
      @Inject
      public DefaultPackagingRegistry(Map<String, LifecycleMapping> lifecycleMappings, TypeRegistry typeRegistry) {
          this.lifecycleMappings = lifecycleMappings;
          this.typeRegistry = typeRegistry;
      }
  
      @Override
      public Optional<Packaging> lookup(String id) {
          LifecycleMapping lifecycleMapping = lifecycleMappings.get(id);
          if (lifecycleMapping == null) {
              return Optional.empty();
          }
          Type type = typeRegistry.lookup(id).orElse(null);
          if (type == null) {
              return Optional.empty();
          }
  
          return Optional.of(new Packaging() {
              @Override
              public String id() {
                  return id;
              }
  
              @Override
              public Type getType() {
                  return type;
              }
          });
      }
  }