/*
    * 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.project;
  
  import java.util.List;
  import java.util.Objects;
  
  import org.apache.maven.api.services.BuilderProblem;
  import org.apache.maven.api.services.ModelProblem;
  import org.apache.maven.api.services.model.ModelBuildingEvent;
  import org.apache.maven.api.services.model.ModelBuildingListener;
  import org.apache.maven.artifact.repository.ArtifactRepository;
  import org.apache.maven.model.Model;
  import org.apache.maven.plugin.PluginManagerException;
  import org.apache.maven.plugin.PluginResolutionException;
  import org.apache.maven.plugin.version.PluginVersionResolutionException;
  
  /**
   * Processes events from the model builder while building the effective model for a {@link MavenProject} instance.
   *
   */
  public class DefaultModelBuildingListener implements ModelBuildingListener {
  
      private final MavenProject project;
  
      private final ProjectBuildingHelper projectBuildingHelper;
  
      private final ProjectBuildingRequest projectBuildingRequest;
  
      private List<ArtifactRepository> remoteRepositories;
  
      private List<ArtifactRepository> pluginRepositories;
  
      public DefaultModelBuildingListener(
              MavenProject project,
              ProjectBuildingHelper projectBuildingHelper,
              ProjectBuildingRequest projectBuildingRequest) {
          this.project = Objects.requireNonNull(project, "project cannot be null");
          this.projectBuildingHelper =
                  Objects.requireNonNull(projectBuildingHelper, "projectBuildingHelper cannot be null");
          this.projectBuildingRequest =
                  Objects.requireNonNull(projectBuildingRequest, "projectBuildingRequest cannot be null");
          this.remoteRepositories = projectBuildingRequest.getRemoteRepositories();
          this.pluginRepositories = projectBuildingRequest.getPluginArtifactRepositories();
      }
  
      /**
       * Gets the project whose model is being built.
       *
       * @return The project, never {@code null}.
       */
      public MavenProject getProject() {
          return project;
      }
  
      @Override
      public void buildExtensionsAssembled(ModelBuildingEvent event) {
          Model model = new Model(event.model());
  
          try {
              pluginRepositories = projectBuildingHelper.createArtifactRepositories(
                      model.getPluginRepositories(), pluginRepositories, projectBuildingRequest);
          } catch (Exception e) {
              event.problems()
                      .add(
                              BuilderProblem.Severity.ERROR,
                              ModelProblem.Version.BASE,
                              "Invalid plugin repository: " + e.getMessage(),
                              e);
          }
          project.setPluginArtifactRepositories(pluginRepositories);
  
          if (event.request().isProcessPlugins()) {
              try {
                  ProjectRealmCache.CacheRecord record =
                          projectBuildingHelper.createProjectRealm(project, model, projectBuildingRequest);
  
                  project.setClassRealm(record.getRealm());
                  project.setExtensionDependencyFilter(record.getExtensionArtifactFilter());
              } catch (PluginResolutionException | PluginManagerException | PluginVersionResolutionException e) {
                  event.problems()
                          .add(
                                  BuilderProblem.Severity.ERROR,
                                 ModelProblem.Version.BASE,
                                 "Unresolvable build extension: " + e.getMessage(),
                                 e);
             }
 
             projectBuildingHelper.selectProjectRealm(project);
         }
 
         // build the regular repos after extensions are loaded to allow for custom layouts
         try {
             remoteRepositories = projectBuildingHelper.createArtifactRepositories(
                     model.getRepositories(), remoteRepositories, projectBuildingRequest);
         } catch (Exception e) {
             event.problems()
                     .add(
                             BuilderProblem.Severity.ERROR,
                             ModelProblem.Version.BASE,
                             "Invalid artifact repository: " + e.getMessage(),
                             e);
         }
         project.setRemoteArtifactRepositories(remoteRepositories);
 
         if (model.getDelegate() != event.model()) {
             event.update().accept(model.getDelegate());
         }
     }
 }