/*
    * 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.execution.MavenSession;
  import org.apache.maven.plugin.PluginValidationManager;
  import org.apache.maven.plugin.descriptor.MojoDescriptor;
  import org.apache.maven.plugin.descriptor.Parameter;
  import org.apache.maven.shared.utils.logging.MessageUtils;
  import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator;
  import org.codehaus.plexus.configuration.PlexusConfiguration;
  
  /**
   * Print warnings if deprecated mojo or parameters of plugin are used in configuration.
   *
   * @author Slawomir Jaranowski
   */
  @Singleton
  @Named
  class DeprecatedPluginValidator extends AbstractMavenPluginDescriptorSourcedParametersValidator {
  
      @Inject
      DeprecatedPluginValidator(PluginValidationManager pluginValidationManager) {
          super(pluginValidationManager);
      }
  
      @Override
      protected String getParameterLogReason(Parameter parameter) {
          return "is deprecated: " + parameter.getDeprecated();
      }
  
      @Override
      protected void doValidate(
              MavenSession mavenSession,
              MojoDescriptor mojoDescriptor,
              Class<?> mojoClass,
              PlexusConfiguration pomConfiguration,
              ExpressionEvaluator expressionEvaluator) {
          if (mojoDescriptor.getDeprecated() != null) {
              pluginValidationManager.reportPluginMojoValidationIssue(
                      mavenSession, mojoDescriptor, mojoClass, logDeprecatedMojo(mojoDescriptor));
          }
  
          if (mojoDescriptor.getParameters() != null) {
              mojoDescriptor.getParameters().stream()
                      .filter(parameter -> parameter.getDeprecated() != null)
                      .filter(Parameter::isEditable)
                      .forEach(parameter -> checkParameter(
                              mavenSession, mojoDescriptor, mojoClass, parameter, pomConfiguration, expressionEvaluator));
          }
      }
  
      private void checkParameter(
              MavenSession mavenSession,
              MojoDescriptor mojoDescriptor,
              Class<?> mojoClass,
              Parameter parameter,
              PlexusConfiguration pomConfiguration,
              ExpressionEvaluator expressionEvaluator) {
          PlexusConfiguration config = pomConfiguration.getChild(parameter.getName(), false);
  
          if (isValueSet(config, expressionEvaluator)) {
              pluginValidationManager.reportPluginMojoValidationIssue(
                      mavenSession, mojoDescriptor, mojoClass, formatParameter(parameter));
          }
      }
  
      private String logDeprecatedMojo(MojoDescriptor mojoDescriptor) {
          return MessageUtils.buffer()
                  .warning("Goal '")
                  .warning(mojoDescriptor.getGoal())
                  .warning("' is deprecated: ")
                  .warning(mojoDescriptor.getDeprecated())
                  .toString();
      }
  }