/*
    * 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.Map;
  import java.util.Objects;
  
  import org.apache.maven.enforcer.rule.api.EnforcerRuleException;
  import org.apache.maven.project.MavenProject;
  
  /**
   * This rule checks that some profiles are active.
   *
   * @author <a href="mailto:brianf@apache.org">Brian Fox</a>
   */
  @Named("requireActiveProfile")
  public final class RequireActiveProfile extends AbstractStandardEnforcerRule {
  
      /** Comma separated list of profiles to check.
       */
      private String profiles = null;
  
      /** If all profiles must be active. If false, only one must be active
       */
      private boolean all = true;
  
      private final MavenProject project;
  
      @Inject
      public RequireActiveProfile(MavenProject project) {
          this.project = Objects.requireNonNull(project);
      }
  
      public String getProfiles() {
          return profiles;
      }
  
      public void setProfiles(String profiles) {
          this.profiles = profiles;
      }
  
      public boolean isAll() {
          return all;
      }
  
      public void setAll(boolean all) {
          this.all = all;
      }
  
      @Override
      public void execute() throws EnforcerRuleException {
          List<String> missingProfiles = new ArrayList<>();
          if (profiles != null && !profiles.isEmpty()) {
              String[] profileIds = profiles.split(",");
              for (String profileId : profileIds) {
                  if (!isProfileActive(project, profileId)) {
                      missingProfiles.add(profileId);
                  }
              }
  
              boolean fail = false;
              if (!missingProfiles.isEmpty()) {
                  if (all || missingProfiles.size() == profileIds.length) {
                      fail = true;
                  }
              }
  
              if (fail) {
                  String message = getMessage();
                  StringBuilder buf = new StringBuilder();
                  if (message != null) {
                      buf.append(message + System.lineSeparator());
                  }
  
                  for (String profile : missingProfiles) {
                      buf.append("Profile \"" + profile + "\" is not activated." + System.lineSeparator());
                  }
  
                 throw new EnforcerRuleException(buf.toString());
             }
         }
     }
 
     /**
      * Checks if profile is active.
      *
      * @param project the project
      * @param profileId the profile name
      * @return <code>true</code> if profile is active, otherwise <code>false</code>
      */
     private boolean isProfileActive(MavenProject project, String profileId) {
         for (Map.Entry<String, List<String>> entry :
                 project.getInjectedProfileIds().entrySet()) {
             if (entry.getValue().contains(profileId)) {
                 return true;
             }
         }
         return false;
     }
 
     @Override
     public String toString() {
         return String.format("RequireActiveProfile[message=%s, profiles=%s, all=%b]", getMessage(), profiles, all);
     }
 }