/*
    * 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.lifecycle;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import java.util.Arrays;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.lifecycle.internal.LifecycleExecutionPlanCalculator;
  import org.apache.maven.lifecycle.internal.LifecycleStarter;
  import org.apache.maven.lifecycle.internal.LifecycleTaskSegmentCalculator;
  import org.apache.maven.lifecycle.internal.MojoDescriptorCreator;
  import org.apache.maven.lifecycle.internal.MojoExecutor;
  import org.apache.maven.lifecycle.internal.ProjectIndex;
  import org.apache.maven.lifecycle.internal.TaskSegment;
  import org.apache.maven.model.Plugin;
  import org.apache.maven.plugin.InvalidPluginDescriptorException;
  import org.apache.maven.plugin.MojoExecution;
  import org.apache.maven.plugin.MojoNotFoundException;
  import org.apache.maven.plugin.PluginDescriptorParsingException;
  import org.apache.maven.plugin.PluginManagerException;
  import org.apache.maven.plugin.PluginNotFoundException;
  import org.apache.maven.plugin.PluginResolutionException;
  import org.apache.maven.plugin.prefix.NoPluginFoundForPrefixException;
  import org.apache.maven.plugin.version.PluginVersionResolutionException;
  import org.apache.maven.project.MavenProject;
  
  /**
   * A facade that provides lifecycle services to components outside maven core.
   *
   * Note that this component is not normally used from within core itself.
   *
   */
  @Named
  @Singleton
  public class DefaultLifecycleExecutor implements LifecycleExecutor {
  
      private final LifeCyclePluginAnalyzer lifeCyclePluginAnalyzer;
      private final DefaultLifecycles defaultLifeCycles;
      private final LifecycleTaskSegmentCalculator lifecycleTaskSegmentCalculator;
      private final LifecycleExecutionPlanCalculator lifecycleExecutionPlanCalculator;
      private final MojoExecutor mojoExecutor;
      private final LifecycleStarter lifecycleStarter;
      private final MojoDescriptorCreator mojoDescriptorCreator;
  
      @Inject
      public DefaultLifecycleExecutor(
              LifeCyclePluginAnalyzer lifeCyclePluginAnalyzer,
              DefaultLifecycles defaultLifeCycles,
              LifecycleTaskSegmentCalculator lifecycleTaskSegmentCalculator,
              LifecycleExecutionPlanCalculator lifecycleExecutionPlanCalculator,
              MojoExecutor mojoExecutor,
              LifecycleStarter lifecycleStarter,
              MojoDescriptorCreator mojoDescriptorCreator) {
          this.lifeCyclePluginAnalyzer = lifeCyclePluginAnalyzer;
          this.defaultLifeCycles = defaultLifeCycles;
          this.lifecycleTaskSegmentCalculator = lifecycleTaskSegmentCalculator;
          this.lifecycleExecutionPlanCalculator = lifecycleExecutionPlanCalculator;
          this.mojoExecutor = mojoExecutor;
          this.lifecycleStarter = lifecycleStarter;
          this.mojoDescriptorCreator = mojoDescriptorCreator;
      }
  
      public void execute(MavenSession session) {
          lifecycleStarter.execute(session);
      }
  
      // These methods deal with construction intact Plugin object that look like they come from a standard
      // <plugin/> block in a Maven POM. We have to do some wiggling to pull the sources of information
      // together and this really shows the problem of constructing a sensible default configuration but
      // it's all encapsulated here so it appears normalized to the POM builder.
  
      // We are going to take the project packaging and find all plugin in the default lifecycle and create
      // fully populated Plugin objects, including executions with goals and default configuration taken
      // from the plugin.xml inside a plugin.
      //
      // TODO This whole method could probably removed by injecting lifeCyclePluginAnalyzer straight into client site.
     // TODO But for some reason the whole plexus appcontext refuses to start when I try this.
 
     public Set<Plugin> getPluginsBoundByDefaultToAllLifecycles(String packaging) {
         return lifeCyclePluginAnalyzer.getPluginsBoundByDefaultToAllLifecycles(packaging);
     }
 
     // USED BY MAVEN HELP PLUGIN
 
     @Deprecated
     public Map<String, Lifecycle> getPhaseToLifecycleMap() {
         return defaultLifeCycles.getPhaseToLifecycleMap();
     }
 
     // Used by m2eclipse
 
     @SuppressWarnings({"UnusedDeclaration"})
     public MavenExecutionPlan calculateExecutionPlan(MavenSession session, boolean setup, String... tasks)
             throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,
                     MojoNotFoundException, NoPluginFoundForPrefixException, InvalidPluginDescriptorException,
                     PluginManagerException, LifecyclePhaseNotFoundException, LifecycleNotFoundException,
                     PluginVersionResolutionException {
         List<TaskSegment> taskSegments =
                 lifecycleTaskSegmentCalculator.calculateTaskSegments(session, Arrays.asList(tasks));
 
         TaskSegment mergedSegment = new TaskSegment(false);
 
         for (TaskSegment taskSegment : taskSegments) {
             mergedSegment.getTasks().addAll(taskSegment.getTasks());
         }
 
         return lifecycleExecutionPlanCalculator.calculateExecutionPlan(
                 session, session.getCurrentProject(), mergedSegment.getTasks(), setup);
     }
 
     public MavenExecutionPlan calculateExecutionPlan(MavenSession session, String... tasks)
             throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,
                     MojoNotFoundException, NoPluginFoundForPrefixException, InvalidPluginDescriptorException,
                     PluginManagerException, LifecyclePhaseNotFoundException, LifecycleNotFoundException,
                     PluginVersionResolutionException {
         return calculateExecutionPlan(session, true, tasks);
     }
 
     // Site 3.x
     public void calculateForkedExecutions(MojoExecution mojoExecution, MavenSession session)
             throws MojoNotFoundException, PluginNotFoundException, PluginResolutionException,
                     PluginDescriptorParsingException, NoPluginFoundForPrefixException, InvalidPluginDescriptorException,
                     LifecyclePhaseNotFoundException, LifecycleNotFoundException, PluginVersionResolutionException {
         lifecycleExecutionPlanCalculator.calculateForkedExecutions(mojoExecution, session);
     }
 
     // Site 3.x
     public List<MavenProject> executeForkedExecutions(MojoExecution mojoExecution, MavenSession session)
             throws LifecycleExecutionException {
         return mojoExecutor.executeForkedExecutions(mojoExecution, session, new ProjectIndex(session.getProjects()));
     }
 }