/*
    * 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.configuration;
  
  import java.util.Objects;
  
  import org.apache.maven.model.Build;
  import org.apache.maven.model.Model;
  import org.apache.maven.model.Plugin;
  import org.apache.maven.model.PluginExecution;
  import org.apache.maven.model.PluginManagement;
  
  /**
   * A basic bean configuration request.
   *
   * @author Benjamin Bentmann
   */
  public class DefaultBeanConfigurationRequest implements BeanConfigurationRequest {
  
      private Object bean;
  
      private Object configuration;
  
      private String configurationElement;
  
      private ClassLoader classLoader;
  
      private BeanConfigurationValuePreprocessor valuePreprocessor;
  
      private BeanConfigurationPathTranslator pathTranslator;
  
      public Object getBean() {
          return bean;
      }
  
      public DefaultBeanConfigurationRequest setBean(Object bean) {
          this.bean = bean;
          return this;
      }
  
      public Object getConfiguration() {
          return configuration;
      }
  
      public String getConfigurationElement() {
          return configurationElement;
      }
  
      public DefaultBeanConfigurationRequest setConfiguration(Object configuration) {
          return setConfiguration(configuration, null);
      }
  
      public DefaultBeanConfigurationRequest setConfiguration(Object configuration, String element) {
          this.configuration = configuration;
          this.configurationElement = element;
          return this;
      }
  
      /**
       * Sets the configuration to the configuration taken from the specified build plugin in the POM. First, the build
       * plugins will be searched for the specified plugin, if that fails, the plugin management section will be searched.
       *
       * @param model The POM to extract the plugin configuration from, may be {@code null}.
       * @param pluginGroupId The group id of the plugin whose configuration should be used, must not be {@code null} or
       *            empty.
       * @param pluginArtifactId The artifact id of the plugin whose configuration should be used, must not be
       *            {@code null} or empty.
       * @param pluginExecutionId The id of a plugin execution whose configuration should be used, may be {@code null} or
       *            empty to use the general plugin configuration.
       * @return This request for chaining, never {@code null}.
       */
      public DefaultBeanConfigurationRequest setConfiguration(
              Model model, String pluginGroupId, String pluginArtifactId, String pluginExecutionId) {
          Plugin plugin = findPlugin(model, pluginGroupId, pluginArtifactId);
          if (plugin != null) {
              if (pluginExecutionId != null && !pluginExecutionId.isEmpty()) {
                  for (PluginExecution execution : plugin.getExecutions()) {
                      if (pluginExecutionId.equals(execution.getId())) {
                          setConfiguration(execution.getConfiguration());
                          break;
                      }
                  }
              } else {
                 setConfiguration(plugin.getConfiguration());
             }
         }
         return this;
     }
 
     private Plugin findPlugin(Model model, String groupId, String artifactId) {
         if (Objects.requireNonNull(groupId, "groupId cannot be null").isEmpty()) {
             throw new IllegalArgumentException("groupId cannot be empty");
         }
         if (Objects.requireNonNull(artifactId, "artifactId cannot be null").isEmpty()) {
             throw new IllegalArgumentException("artifactId cannot be empty");
         }
 
         if (model != null) {
             Build build = model.getBuild();
             if (build != null) {
                 for (Plugin plugin : build.getPlugins()) {
                     if (groupId.equals(plugin.getGroupId()) && artifactId.equals(plugin.getArtifactId())) {
                         return plugin;
                     }
                 }
 
                 PluginManagement mgmt = build.getPluginManagement();
                 if (mgmt != null) {
                     for (Plugin plugin : mgmt.getPlugins()) {
                         if (groupId.equals(plugin.getGroupId()) && artifactId.equals(plugin.getArtifactId())) {
                             return plugin;
                         }
                     }
                 }
             }
         }
 
         return null;
     }
 
     public ClassLoader getClassLoader() {
         return classLoader;
     }
 
     public DefaultBeanConfigurationRequest setClassLoader(ClassLoader classLoader) {
         this.classLoader = classLoader;
         return this;
     }
 
     public BeanConfigurationValuePreprocessor getValuePreprocessor() {
         return valuePreprocessor;
     }
 
     public DefaultBeanConfigurationRequest setValuePreprocessor(BeanConfigurationValuePreprocessor valuePreprocessor) {
         this.valuePreprocessor = valuePreprocessor;
         return this;
     }
 
     public BeanConfigurationPathTranslator getPathTranslator() {
         return pathTranslator;
     }
 
     public DefaultBeanConfigurationRequest setPathTranslator(BeanConfigurationPathTranslator pathTranslator) {
         this.pathTranslator = pathTranslator;
         return this;
     }
 }