/*
    * 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.plugin.prefix;
  
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.model.Model;
  import org.apache.maven.project.MavenProject;
  import org.eclipse.aether.RepositorySystemSession;
  import org.eclipse.aether.repository.RemoteRepository;
  
  /**
   * Collects settings required to resolve a plugin prefix.
   *
   * @since 3.0
   */
  public class DefaultPluginPrefixRequest implements PluginPrefixRequest {
  
      private String prefix;
  
      private List<String> pluginGroups = Collections.emptyList();
  
      private Model pom;
  
      private List<RemoteRepository> repositories = Collections.emptyList();
  
      private RepositorySystemSession session;
  
      /**
       * Creates an empty request.
       */
      public DefaultPluginPrefixRequest() {}
  
      /**
       * Creates a request for the specified plugin prefix and build session. The provided build session will be used to
       * configure repository settings. If the session has a current project, its plugin repositories and model will be
       * used as well.
       *
       * @param prefix The plugin prefix to resolve, must not be {@code null}.
       * @param session The build session from which to derive further settings, must not be {@code null}.
       */
      public DefaultPluginPrefixRequest(String prefix, MavenSession session) {
          setPrefix(prefix);
  
          setRepositorySession(session.getRepositorySession());
  
          MavenProject project = session.getCurrentProject();
          if (project != null) {
              setRepositories(project.getRemotePluginRepositories());
              setPom(project.getModel());
          }
  
          setPluginGroups(session.getPluginGroups());
      }
  
      @Override
      public String getPrefix() {
          return prefix;
      }
  
      @Override
      public DefaultPluginPrefixRequest setPrefix(String prefix) {
          this.prefix = prefix;
  
          return this;
      }
  
      @Override
      public List<String> getPluginGroups() {
          return pluginGroups;
      }
  
      @Override
      public DefaultPluginPrefixRequest setPluginGroups(List<String> pluginGroups) {
          if (pluginGroups != null) {
              this.pluginGroups = Collections.unmodifiableList(pluginGroups);
          } else {
              this.pluginGroups = Collections.emptyList();
          }
  
          return this;
     }
 
     @Override
     public Model getPom() {
         return pom;
     }
 
     @Override
     public DefaultPluginPrefixRequest setPom(Model pom) {
         this.pom = pom;
 
         return this;
     }
 
     @Override
     public List<RemoteRepository> getRepositories() {
         return repositories;
     }
 
     @Override
     public DefaultPluginPrefixRequest setRepositories(List<RemoteRepository> repositories) {
         if (repositories != null) {
             this.repositories = Collections.unmodifiableList(repositories);
         } else {
             this.repositories = Collections.emptyList();
         }
 
         return this;
     }
 
     @Override
     public RepositorySystemSession getRepositorySession() {
         return session;
     }
 
     @Override
     public DefaultPluginPrefixRequest setRepositorySession(RepositorySystemSession session) {
         this.session = session;
 
         return this;
     }
 }