/*
    * 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.enforcer.rules;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Objects;
  
  import org.apache.maven.enforcer.rule.api.EnforcerRuleException;
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.project.MavenProject;
  import org.codehaus.plexus.util.StringUtils;
  
  /**
   * Ensure that all profiles mentioned on the commandline do exist.
   *
   * @author Robert Scholte
   * @author Gabriel Belingueres
   */
  @Named("requireProfileIdsExist")
  public final class RequireProfileIdsExist extends AbstractStandardEnforcerRule {
  
      private final MavenSession session;
  
      @Inject
      public RequireProfileIdsExist(MavenSession session) {
          this.session = Objects.requireNonNull(session);
      }
  
      @Override
      public void execute() throws EnforcerRuleException {
  
          List<String> profileIds = new ArrayList<>();
          profileIds.addAll(session.getProjectBuildingRequest().getActiveProfileIds());
          profileIds.addAll(session.getProjectBuildingRequest().getInactiveProfileIds());
  
          for (MavenProject project : session.getProjects()) {
              // iterate over all parents
              MavenProject currentProject = project;
              do {
                  for (org.apache.maven.model.Profile profile :
                          currentProject.getModel().getProfiles()) {
                      profileIds.remove(profile.getId());
  
                      if (profileIds.isEmpty()) {
                          return;
                      }
                  }
  
                  currentProject = currentProject.getParent();
              } while (currentProject != null);
          }
  
          for (org.apache.maven.settings.Profile profile : session.getSettings().getProfiles()) {
              profileIds.remove(profile.getId());
          }
  
          if (profileIds.isEmpty()) {
              return;
          }
  
          StringBuilder sb = new StringBuilder();
          if (profileIds.size() > 1) {
              sb.append("The requested profiles don't exist: ");
          } else {
              sb.append("The requested profile doesn't exist: ");
          }
          sb.append(StringUtils.join(profileIds.iterator(), ", "));
  
          throw new EnforcerRuleException(sb.toString());
      }
  }