/*
    * 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.scm.provider.svn.svnexe.command.checkout;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.commons.lang3.StringUtils;
  import org.apache.maven.scm.ScmFile;
  import org.apache.maven.scm.ScmFileStatus;
  import org.apache.maven.scm.provider.svn.svnexe.command.AbstractFileCheckingConsumer;
  
  /**
   * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
   * @author Olivier Lamy
   */
  public class SvnCheckOutConsumer extends AbstractFileCheckingConsumer {
      private static final String CHECKED_OUT_REVISION_TOKEN = "Checked out revision";
  
      private final List<ScmFile> files = new ArrayList<>();
  
      public SvnCheckOutConsumer(File workingDirectory) {
          super(workingDirectory);
      }
  
      /**
       * {@inheritDoc}
       */
      protected void parseLine(String line) {
          String statusString = line.substring(0, 1);
  
          String file = line.substring(3).trim();
          // [SCM-368]
          if (file.startsWith(getWorkingDirectory().getAbsolutePath())) {
              file = StringUtils.substring(
                      file, getWorkingDirectory().getAbsolutePath().length() + 1);
          }
  
          ScmFileStatus status;
  
          if (line.startsWith(CHECKED_OUT_REVISION_TOKEN)) {
              String revisionString = line.substring(CHECKED_OUT_REVISION_TOKEN.length() + 1, line.length() - 1);
  
              revision = parseInt(revisionString);
  
              return;
          } else if (statusString.equals("A")) {
              status = ScmFileStatus.ADDED;
          } else if (statusString.equals("U")) {
              status = ScmFileStatus.UPDATED;
          } else {
              // Do nothing
  
              return;
          }
  
          addFile(new ScmFile(file, status));
      }
  
      // ----------------------------------------------------------------------
      //
      // ----------------------------------------------------------------------
  
      public List<ScmFile> getCheckedOutFiles() {
          return getFiles();
      }
  
      protected void addFile(ScmFile file) {
          files.add(file);
      }
  
      protected List<ScmFile> getFiles() {
          List<ScmFile> onlyFiles = new ArrayList<>();
          for (ScmFile file : files) {
              // second part is for svn 1.7 as the co output is now relative not a full path as for svn 1.7-
              if (!(!file.getStatus().equals(ScmFileStatus.DELETED)
                              && !new File(getWorkingDirectory(), file.getPath()).isFile())
                      || !(!file.getStatus().equals(ScmFileStatus.DELETED)
                              && !new File(getWorkingDirectory().getParent(), file.getPath()).isFile())) {
                  onlyFiles.add(file);
              }
          }
 
         return onlyFiles;
     }
 }