/*
    * 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.internal;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import org.apache.maven.plugin.MavenPluginPrerequisitesChecker;
  import org.apache.maven.plugin.descriptor.PluginDescriptor;
  import org.apache.maven.rtinfo.RuntimeInformation;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  @Named
  @Singleton
  public class MavenPluginMavenPrerequisiteChecker implements MavenPluginPrerequisitesChecker {
      private final Logger logger = LoggerFactory.getLogger(getClass());
      private final RuntimeInformation runtimeInformation;
  
      @Inject
      public MavenPluginMavenPrerequisiteChecker(RuntimeInformation runtimeInformation) {
          super();
          this.runtimeInformation = runtimeInformation;
      }
  
      @Override
      public void accept(PluginDescriptor pluginDescriptor) {
          String requiredMavenVersion = pluginDescriptor.getRequiredMavenVersion();
  
          boolean isBlankVersion =
                  requiredMavenVersion == null || requiredMavenVersion.trim().isEmpty();
  
          if (!isBlankVersion) {
              boolean isRequirementMet = false;
              try {
                  isRequirementMet = runtimeInformation.isMavenVersion(requiredMavenVersion);
              } catch (IllegalArgumentException e) {
                  logger.warn(
                          "Could not verify plugin's Maven prerequisite as an invalid version is given in "
                                  + requiredMavenVersion,
                          e);
                  return;
              }
              if (!isRequirementMet) {
                  throw new IllegalStateException("Required Maven version " + requiredMavenVersion
                          + " is not met by current version " + runtimeInformation.getMavenVersion());
              }
          }
      }
  }