/*
    * Copyright 2012 akquinet
    * Licensed 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 de.akquinet.innovation.play.maven;
  
  import org.apache.commons.exec.CommandLine;
  import org.apache.commons.exec.DefaultExecutor;
  import org.apache.commons.exec.ExecuteWatchdog;
  import org.apache.commons.io.FileUtils;
  import org.apache.maven.plugin.MojoExecutionException;
  
  import java.io.File;
  import java.io.IOException;
  
  /**
   * Clean the project.
   *
   * @goal clean
   * @phase clean
   */
  public class Play2CleanMojo
          extends AbstractPlay2Mojo {
  
      /**
       * Where are the dependencies copied.
       *
       * @parameter default-value="lib"
       */
      private File lib;
  
      /**
       * Set to false to avoid to clean the lib folder..
       *
       * @parameter default-value="true"
       */
      private boolean cleanLibFolder = true;
  
      public void execute()
              throws MojoExecutionException {
  
          String line = getPlay2().getAbsolutePath();
  
          CommandLine cmdLine = CommandLine.parse(line);
          cmdLine.addArgument("clean");
          DefaultExecutor executor = new DefaultExecutor();
  
          if (timeout > 0) {
              ExecuteWatchdog watchdog = new ExecuteWatchdog(timeout);
              executor.setWatchdog(watchdog);
          }
  
          executor.setWorkingDirectory(project.getBasedir());
          executor.setExitValue(0);
          try {
              executor.execute(cmdLine, getEnvironment());
          } catch (IOException e) {
              throw new MojoExecutionException("Error during cleanup", e);
          }
          
          // Also delete the dist directory
          File dist = new File(project.getBasedir(), "dist");
          if (dist.exists()) {
              getLog().debug("Deleting " + dist.getAbsolutePath());
              try {
                  FileUtils.deleteDirectory(dist);
              } catch (IOException e) {
                  throw new MojoExecutionException("Can't delete the dist folder", e);
              }
          } else {
              getLog().debug("'dist' directory not found");
          }
  
          // Delete the log folder
          File logs = new File(project.getBasedir(), "logs");
          if (logs.exists()) {
              getLog().debug("Deleting " + logs.getAbsolutePath());
              try {
                  FileUtils.deleteDirectory(logs);
              } catch (IOException e) {
                  throw new MojoExecutionException("Can't delete the logs folder", e);
              }
          } else {
              getLog().debug("'logs' directory not found");
          }
  
          // Also delete the lib directory if set
          if (cleanLibFolder) {
             File lib = new File(project.getBasedir(), "lib");
             if (lib.exists()) {
                 getLog().debug("Deleting " + lib.getAbsolutePath());
                 try {
                     FileUtils.deleteDirectory(lib);
                 } catch (IOException e) {
                     throw new MojoExecutionException("Can't delete the " + lib + " folder", e);
                 }
             } else {
                 getLog().debug("'" + lib + "' directory not found");
             }
         }
     }
 }