/*
    * 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.gpg;
  
  import java.io.File;
  import java.util.List;
  
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugins.annotations.Component;
  import org.apache.maven.plugins.annotations.LifecyclePhase;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.project.MavenProjectHelper;
  
  /**
   * Sign project artifact, the POM, and attached artifacts with GnuPG for deployment.
   *
   * @author Jason van Zyl
   * @author Jason Dillon
   * @author Daniel Kulp
   */
  @Mojo(name = "sign", defaultPhase = LifecyclePhase.VERIFY, threadSafe = true)
  public class GpgSignAttachedMojo extends AbstractGpgMojo {
  
      /**
       * Skip doing the gpg signing.
       */
      @Parameter(property = "gpg.skip", defaultValue = "false")
      private boolean skip;
  
      /**
       * A list of files to exclude from being signed. Can contain Ant-style wildcards and double wildcards. The default
       * excludes are <code>**&#47;*.md5 **&#47;*.sha1 **&#47;*.sha256 **&#47;*.sha512 **&#47;*.asc **&#47;*.sigstore</code>.
       *
       * @since 1.0-alpha-4
       */
      @Parameter
      private String[] excludes;
  
      /**
       * The directory where to store signature files.
       *
       * @since 1.0-alpha-4
       */
      @Parameter(defaultValue = "${project.build.directory}/gpg", alias = "outputDirectory")
      private File ascDirectory;
  
      /**
       * The maven project.
       */
      @Parameter(defaultValue = "${project}", readonly = true, required = true)
      protected MavenProject project;
  
      /**
       * Maven ProjectHelper
       */
      @Component
      private MavenProjectHelper projectHelper;
  
      @Override
      public void execute() throws MojoExecutionException, MojoFailureException {
          if (skip) {
              // We're skipping the signing stuff
              return;
          }
  
          // ----------------------------------------------------------------------------
          // Collect files to sign
          // ----------------------------------------------------------------------------
  
          FilesCollector collector = new FilesCollector(project, excludes, getLog());
          List<FilesCollector.Item> items = collector.collect();
  
          // ----------------------------------------------------------------------------
          // Sign collected files and attach all the signatures
          // ----------------------------------------------------------------------------
  
          AbstractGpgSigner signer = newSigner(project);
          signer.setOutputDirectory(ascDirectory);
          signer.setBuildDirectory(new File(project.getBuild().getDirectory()));
          signer.setBaseDirectory(project.getBasedir());
 
         getLog().info("Signing " + items.size() + " file" + ((items.size() > 1) ? "s" : "") + " with "
                 + ((signer.keyname == null) ? "default" : signer.keyname) + " secret key.");
 
         for (FilesCollector.Item item : items) {
             getLog().debug("Generating signature for " + item.getFile());
 
             File signature = signer.generateSignatureForArtifact(item.getFile());
 
             projectHelper.attachArtifact(
                     project,
                     item.getExtension() + AbstractGpgSigner.SIGNATURE_EXTENSION,
                     item.getClassifier(),
                     signature);
         }
     }
 }