/*
    * 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.changelog.scm.provider.svn.svnexe.command.info;
  
  import java.io.File;
  import java.util.Iterator;
  
  import org.apache.maven.scm.CommandParameters;
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmFileSet;
  import org.apache.maven.scm.ScmResult;
  import org.apache.maven.scm.ScmTag;
  import org.apache.maven.scm.command.AbstractCommand;
  import org.apache.maven.scm.command.info.InfoScmResult;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  import org.apache.maven.scm.provider.svn.SvnCommandUtils;
  import org.apache.maven.scm.provider.svn.SvnTagBranchUtils;
  import org.apache.maven.scm.provider.svn.command.SvnCommand;
  import org.apache.maven.scm.provider.svn.repository.SvnScmProviderRepository;
  import org.apache.maven.scm.provider.svn.svnexe.command.SvnCommandLineUtils;
  import org.apache.maven.scm.provider.svn.svnexe.command.info.SvnInfoConsumer;
  import org.codehaus.plexus.util.cli.CommandLineException;
  import org.codehaus.plexus.util.cli.CommandLineUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  /**
   * variation of SvnInfoCommand to work for branches. Taken from 1.7 release of maven-scm-providers
   *
   * @author <a href="mailto:kenney@apache.org">Kenney Westerhof</a>
   */
  public class SvnInfoCommandExpanded extends AbstractCommand implements SvnCommand {
  
      /** {@inheritDoc} */
      @Override
      protected ScmResult executeCommand(
              final ScmProviderRepository repository, final ScmFileSet fileSet, final CommandParameters parameters)
              throws ScmException {
          return executeInfoCommand((SvnScmProviderRepository) repository, fileSet, parameters, false, null);
      }
  
      public InfoScmResult executeInfoCommand(
              final SvnScmProviderRepository repository,
              final ScmFileSet fileSet,
              final CommandParameters parameters,
              final boolean recursive,
              final String revision)
              throws ScmException {
          Commandline cl = createCommandLine(repository, fileSet, recursive, revision);
          return executeInfoCommand(cl);
      }
  
      public InfoScmResult executeInfoTagCommand(
              final SvnScmProviderRepository repository,
              final ScmFileSet fileSet,
              final String tag,
              final CommandParameters parameters,
              final boolean recursive,
              final String revision)
              throws ScmException {
          Commandline cl = createTagCommandLine(repository, fileSet, tag, recursive, revision);
          return executeInfoCommand(cl);
      }
  
      private InfoScmResult executeInfoCommand(final Commandline cl) throws ScmException {
  
          SvnInfoConsumer consumer = new SvnInfoConsumer();
  
          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
          if (logger.isInfoEnabled()) {
              logger.info("Executing: " + SvnCommandLineUtils.cryptPassword(cl));
              logger.info("Working directory: " + cl.getWorkingDirectory().getAbsolutePath());
          }
  
          int exitCode;
          try {
              exitCode = SvnCommandLineUtils.execute(cl, consumer, stderr);
          } catch (CommandLineException ex) {
              throw new ScmException("Error while executing command.", ex);
          }
  
          if (exitCode != 0) {
              return new InfoScmResult(cl.toString(), "The svn command failed.", stderr.getOutput(), false);
          }
 
         return new InfoScmResult(cl.toString(), consumer.getInfoItems());
     }
 
     // set scope to protected to allow test to call it directly
     protected static Commandline createCommandLine(
             final SvnScmProviderRepository repository,
             final ScmFileSet fileSet,
             final boolean recursive,
             final String revision) {
         Commandline cl = SvnCommandLineUtils.getBaseSvnCommandLine(fileSet.getBasedir(), repository);
 
         cl.createArg().setValue("info");
 
         if (recursive) {
             cl.createArg().setValue("--recursive");
         }
 
         if (revision != null && !revision.isEmpty()) {
             cl.createArg().setValue("-r");
             cl.createArg().setValue(revision);
         }
 
         for (File file : fileSet.getFileList()) {
             if (repository == null) {
                 cl.createArg().setValue(file.getPath());
             } else {
                 cl.createArg()
                         .setValue(repository.getUrl() + "/" + file.getPath().replace('\\', '/'));
             }
         }
 
         return cl;
     }
 
     // set scope to protected to allow test to call it directly
     protected static Commandline createTagCommandLine(
             final SvnScmProviderRepository repository,
             final ScmFileSet fileSet,
             final String tag,
             final boolean recursive,
             final String revision) {
         Commandline cl = SvnCommandLineUtils.getBaseSvnCommandLine(fileSet.getBasedir(), repository);
 
         cl.createArg().setValue("info");
 
         if (recursive) {
             cl.createArg().setValue("--recursive");
         }
 
         if (revision != null && !revision.isEmpty()) {
             cl.createArg().setValue("-r");
             cl.createArg().setValue(revision);
         }
 
         Iterator<File> it = fileSet.getFileList().iterator();
 
         if (!it.hasNext()) {
             String tagUrl = SvnTagBranchUtils.resolveTagUrl(repository, new ScmTag(tag));
             cl.createArg().setValue(SvnCommandUtils.fixUrl(tagUrl, repository.getUser()));
         } else {
             while (it.hasNext()) {
                 File file = it.next();
 
                 if (repository == null) {
                     cl.createArg().setValue(file.getPath());
                 } else {
                     // Note: this currently assumes you have the tag base checked out too
                     String tagUrl = SvnTagBranchUtils.resolveTagUrl(repository, new ScmTag(tag)) + "/"
                             + file.getPath().replace('\\', '/');
                     cl.createArg().setValue(SvnCommandUtils.fixUrl(tagUrl, repository.getUser()));
                 }
             }
         }
 
         return cl;
     }
 }