/*
    * 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.version;
  
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.model.Model;
  import org.apache.maven.model.Plugin;
  import org.apache.maven.project.MavenProject;
  import org.eclipse.aether.RepositorySystemSession;
  import org.eclipse.aether.repository.RemoteRepository;
  
  /**
   * Collects settings required to resolve the version for a plugin.
   *
   * @since 3.0
   */
  public class DefaultPluginVersionRequest implements PluginVersionRequest {
  
      private String groupId;
  
      private String artifactId;
  
      private Model pom;
  
      private List<RemoteRepository> repositories = Collections.emptyList();
  
      private RepositorySystemSession session;
  
      /**
       * Creates an empty request.
       */
      public DefaultPluginVersionRequest() {}
  
      /**
       * Creates a request for the specified plugin by copying settings from the specified build session. If the session
       * has a current project, its plugin repositories will be used as well.
       *
       * @param plugin The plugin for which to resolve a version, must not be {@code null}.
       * @param session The Maven session to use, must not be {@code null}.
       */
      public DefaultPluginVersionRequest(Plugin plugin, MavenSession session) {
          setGroupId(plugin.getGroupId());
          setArtifactId(plugin.getArtifactId());
  
          setRepositorySession(session.getRepositorySession());
  
          MavenProject project = session.getCurrentProject();
          if (project != null) {
              setRepositories(project.getRemotePluginRepositories());
          }
      }
  
      /**
       * Creates a request for the specified plugin using the given repository session and plugin repositories.
       *
       * @param plugin The plugin for which to resolve a version, must not be {@code null}.
       * @param session The repository session to use, must not be {@code null}.
       * @param repositories The plugin repositories to query, may be {@code null}.
       */
      public DefaultPluginVersionRequest(
              Plugin plugin, RepositorySystemSession session, List<RemoteRepository> repositories) {
          setGroupId(plugin.getGroupId());
          setArtifactId(plugin.getArtifactId());
  
          setRepositorySession(session);
  
          setRepositories(repositories);
      }
  
      @Override
      public String getGroupId() {
          return groupId;
      }
  
      @Override
      public DefaultPluginVersionRequest setGroupId(String groupId) {
          this.groupId = groupId;
  
          return this;
      }
 
     @Override
     public String getArtifactId() {
         return artifactId;
     }
 
     @Override
     public DefaultPluginVersionRequest setArtifactId(String artifactId) {
         this.artifactId = artifactId;
 
         return this;
     }
 
     @Override
     public Model getPom() {
         return pom;
     }
 
     @Override
     public DefaultPluginVersionRequest setPom(Model pom) {
         this.pom = pom;
 
         return this;
     }
 
     @Override
     public List<RemoteRepository> getRepositories() {
         return repositories;
     }
 
     @Override
     public DefaultPluginVersionRequest 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 DefaultPluginVersionRequest setRepositorySession(RepositorySystemSession session) {
         this.session = session;
 
         return this;
     }
 }