/*
    * 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.untag;
  
  import java.io.File;
  import java.io.IOException;
  
  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.ScmUntagParameters;
  import org.apache.maven.scm.command.untag.AbstractUntagCommand;
  import org.apache.maven.scm.command.untag.UntagScmResult;
  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.codehaus.plexus.util.FileUtils;
  import org.codehaus.plexus.util.Os;
  import org.codehaus.plexus.util.cli.CommandLineException;
  import org.codehaus.plexus.util.cli.CommandLineUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  /**
   * scm:untag for provider svn is done by removing the tag dir
   *
   * @since 1.11.2
   */
  public class SvnUntagCommand extends AbstractUntagCommand implements SvnCommand {
  
      /** {@inheritDoc} */
      @Override
      public ScmResult executeUntagCommand(
              ScmProviderRepository repo, ScmFileSet fileSet, ScmUntagParameters scmUntagParameters) throws ScmException {
          String tag = scmUntagParameters.getTag();
          if (tag == null || tag.trim().isEmpty()) {
              throw new ScmException("tag must be specified");
          }
  
          SvnScmProviderRepository repository = (SvnScmProviderRepository) repo;
  
          File messageFile = FileUtils.createTempFile("maven-scm-", ".commit", null);
  
          String message = scmUntagParameters.getMessage();
          try {
              FileUtils.fileWrite(messageFile.getAbsolutePath(), "UTF-8", message);
          } catch (IOException ex) {
              return new UntagScmResult(
                      null,
                      "Error while making a temporary file for the commit message: " + ex.getMessage(),
                      null,
                      false);
          }
  
          Commandline cl = createCommandline(repository, fileSet, tag, messageFile);
  
          CommandLineUtils.StringStreamConsumer stdout = new CommandLineUtils.StringStreamConsumer();
  
          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
  
          if (logger.isInfoEnabled()) {
              logger.info("Executing: " + SvnCommandLineUtils.cryptPassword(cl));
  
              if (Os.isFamily(Os.FAMILY_WINDOWS)) {
                  logger.info("Working directory: " + cl.getWorkingDirectory().getAbsolutePath());
              }
          }
  
          int exitCode;
  
          try {
              exitCode = SvnCommandLineUtils.execute(cl, stdout, stderr);
          } catch (CommandLineException ex) {
              throw new ScmException("Error while executing svn remove command.", ex);
          } finally {
              try {
                  FileUtils.forceDelete(messageFile);
              } catch (IOException ex) {
                  // ignore
              }
         }
 
         if (exitCode == 0) {
             return new UntagScmResult(
                     cl.toString(), "The svn remove command was successful.", stderr.getOutput(), true);
         } else {
             return new UntagScmResult(cl.toString(), "The svn remove command failed.", stderr.getOutput(), false);
         }
     }
 
     /**
      * create command line from parameters
      *
      * @param repo        svn repo tu delete tag from
      * @param fileSet     file set containing base dir
      * @param tag         tag to delete
      * @param messageFile file containing commit message
      * @return            command line instance
      */
     Commandline createCommandline(SvnScmProviderRepository repo, ScmFileSet fileSet, String tag, File messageFile) {
         Commandline cl = SvnCommandLineUtils.getBaseSvnCommandLine(fileSet.getBasedir(), repo);
 
         cl.createArg().setValue("--file");
 
         cl.createArg().setValue(messageFile.getAbsolutePath());
 
         cl.createArg().setValue("remove");
 
         String tagUrl = SvnTagBranchUtils.resolveTagUrl(repo, new ScmTag(tag));
         tagUrl = SvnCommandUtils.fixUrl(tagUrl, repo.getUser());
         cl.createArg().setValue(tagUrl + "@");
 
         return cl;
     }
 }