/*
    * 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.plugins.ejb.stub;
  
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.maven.model.Build;
  import org.codehaus.plexus.util.FileUtils;
  
  /**
   * Stub
   */
  public class MavenProjectBuildStub extends MavenProjectBasicStub {
      public static final int RESOURCES_FILE = 1;
  
      public static final int ROOT_FILE = 2;
  
      public static final int OUTPUT_FILE = 3;
  
      public static final int SOURCE_FILE = 4;
  
      protected Build build;
  
      protected String srcDirectory;
  
      protected String targetDirectory;
  
      protected String buildDirectory;
  
      protected String outputDirectory;
  
      protected String testOutputDirectory;
  
      protected String resourcesDirectory;
  
      protected String testResourcesDirectory;
  
      protected String targetResourceDirectory;
  
      protected String targetTestResourcesDirectory;
  
      protected List<String> targetClassesList;
  
      protected List<String> sourceFileList;
  
      protected List<String> resourcesFileList;
  
      protected List<String> rootFileList;
  
      protected List<String> directoryList;
  
      protected Map<String, String> dataMap;
  
      public MavenProjectBuildStub(String key) throws Exception {
          super(key);
  
          this.build = new Build();
          this.resourcesFileList = new ArrayList<>();
          this.sourceFileList = new ArrayList<>();
          this.rootFileList = new ArrayList<>();
          this.directoryList = new ArrayList<>();
          this.targetClassesList = new ArrayList<>();
          this.dataMap = new HashMap<>();
          setupBuild();
  
          model.setBuild(build);
      }
  
      public void addDirectory(String name) {
          if (isValidPath(name)) {
              directoryList.add(name);
          }
      }
  
      public void setOutputDirectory(String dir) {
          outputDirectory = buildDirectory + "/" + dir;
          build.setOutputDirectory(outputDirectory);
     }
 
     public void addFile(String name, int type) {
         if (isValidPath(name)) {
             List<String> list = getList(type);
 
             list.add(name);
         }
     }
 
     public void addFile(String name, String data, int type) {
         File fileName = new File(name);
 
         addFile(name, type);
         dataMap.put(fileName.getName(), data);
     }
 
     public String getOutputDirectory() {
         return outputDirectory;
     }
 
     public String getTestOutputDirectory() {
         return testOutputDirectory;
     }
 
     public String getResourcesDirectory() {
         return resourcesDirectory;
     }
 
     public String getTestResourcesDirectory() {
         return testResourcesDirectory;
     }
 
     public Build getBuild() {
         return build;
     }
 
     /**
      * returns true if the path is relative and false if absolute also returns false if it is relative to the parent
      *
      * @param path
      * @return
      */
     private boolean isValidPath(String path) {
         boolean bRetVal = true;
 
         if (path.startsWith("c:") || path.startsWith("..") || path.startsWith("/") || path.startsWith("\\")) {
             bRetVal = false;
         }
 
         return bRetVal;
     }
 
     private void setupBuild() {
         // check getBasedir method for the exact path
         // we need to recreate the dir structure in
         // an isolated environment
         srcDirectory = testRootDir + "/src";
         buildDirectory = testRootDir + "/target";
         outputDirectory = buildDirectory + "/classes";
         testOutputDirectory = buildDirectory + "/test-classes";
         resourcesDirectory = srcDirectory + "/main/resources/";
         testResourcesDirectory = srcDirectory + "/test/resources/";
 
         build.setDirectory(buildDirectory);
         build.setOutputDirectory(outputDirectory);
         build.setTestOutputDirectory(testOutputDirectory);
     }
 
     public void setupBuildEnvironment() throws Exception {
         // populate dummy resources and dummy test resources
 
         // setup src dir
         if (!new File(resourcesDirectory).exists()) {
             FileUtils.mkdir(resourcesDirectory);
         }
 
         if (!new File(testResourcesDirectory).exists()) {
             FileUtils.mkdir(testResourcesDirectory);
         }
 
         createDirectories(resourcesDirectory, testResourcesDirectory);
         createFiles(resourcesDirectory, testResourcesDirectory);
         setupRootFiles();
 
         // setup target dir
         if (!new File(outputDirectory).exists()) {
             FileUtils.mkdir(outputDirectory);
         }
 
         if (!new File(testOutputDirectory).exists()) {
             FileUtils.mkdir(testOutputDirectory);
         }
 
         setupTargetFiles();
     }
 
     private void createDirectories(String parent, String testparent) {
         File currentDirectory;
 
         for (Object aDirectoryList : directoryList) {
             currentDirectory = new File(parent, "/" + aDirectoryList);
 
             if (!currentDirectory.exists()) {
                 currentDirectory.mkdirs();
             }
 
             // duplicate dir structure in test resources
             currentDirectory = new File(testparent, "/" + aDirectoryList);
 
             if (!currentDirectory.exists()) {
                 currentDirectory.mkdirs();
             }
         }
     }
 
     private List<String> getList(int type) {
         List<String> retVal = null;
 
         switch (type) {
             case SOURCE_FILE:
                 retVal = sourceFileList;
                 break;
             case OUTPUT_FILE:
                 retVal = targetClassesList;
                 break;
             case RESOURCES_FILE:
                 retVal = resourcesFileList;
                 break;
             case ROOT_FILE:
                 retVal = rootFileList;
                 break;
             default:
             // do nothing
         }
 
         return retVal;
     }
 
     private void createFiles(String parent, int type) {
         File currentFile;
         List<String> list = getList(type);
 
         // guard
         if (list == null) {
             return;
         }
 
         for (String aList : list) {
             currentFile = new File(parent, aList);
 
             // create the necessary parent directories
             // before we create the files
             if (!currentFile.getParentFile().exists()) {
                 currentFile.getParentFile().mkdirs();
             }
 
             if (!currentFile.exists()) {
                 try {
                     currentFile.createNewFile();
                     populateFile(currentFile, RESOURCES_FILE);
                 } catch (IOException io) {
                     // TODO: handle exception
                 }
             }
         }
     }
 
     private void setupRootFiles() {
         createFiles(testRootDir, ROOT_FILE);
     }
 
     private void setupTargetFiles() {
         createFiles(getOutputDirectory(), OUTPUT_FILE);
     }
 
     private void createFiles(String parent, String testparent) {
         createFiles(parent, RESOURCES_FILE);
         createFiles(testparent, RESOURCES_FILE);
     }
 
     private void populateFile(File file, int type) {
         FileOutputStream outputStream;
         String data = (String) dataMap.get(file.getName());
 
         if ((data != null) && file.exists()) {
             try {
                 outputStream = new FileOutputStream(file);
                 outputStream.write(data.getBytes());
                 outputStream.flush();
                 outputStream.close();
             } catch (IOException ex) {
                 // TODO: handle exception here
             }
         }
     }
 }