/*
    * #%L
    * Native ARchive plugin for Maven
    * %%
    * Copyright (C) 2002 - 2014 NAR Maven Plugin developers.
    * %%
    * Licensed 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.
   * #L%
   */
  package com.github.maven_nar;
  
  import java.io.File;
  import java.io.IOException;
  
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugins.annotations.LifecyclePhase;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.codehaus.plexus.util.FileUtils;
  import org.codehaus.plexus.util.SelectorUtils;
  
  /**
   * Copies any resources, including AOL specific distributions, to the target
   * area for packaging
   * 
   * @author Mark Donszelmann
   */
  @Mojo(name = "nar-resources", defaultPhase = LifecyclePhase.PROCESS_RESOURCES, requiresProject = true)
  public class NarResourcesMojo extends AbstractResourcesMojo {
    /**
     * Use given AOL only. If false, copy for all available AOLs.
     */
    @Parameter(property = "nar.resources.copy.aol", defaultValue = "true", required = true)
    private boolean resourcesCopyAOL;
  
    /**
     * Directory for nar resources. Defaults to src/nar/resources
     */
    @Parameter(defaultValue = "${basedir}/src/nar/resources", required = true)
    private File resourceDirectory;
  
    @Override
    public final void narExecute() throws MojoExecutionException, MojoFailureException {
      // noarch resources
      try {
        int copied = 0;
        final File noarchDir = new File(this.resourceDirectory, NarConstants.NAR_NO_ARCH);
        if (noarchDir.exists()) {
          final File noarchDstDir = getLayout().getNoArchDirectory(getTargetDirectory(),
              getMavenProject().getArtifactId(), getMavenProject().getVersion());
          getLog().debug("Copying noarch from " + noarchDir + " to " + noarchDstDir);
          copied += NarUtil.copyDirectoryStructure(noarchDir, noarchDstDir, null, NarUtil.DEFAULT_EXCLUDES);
        }
        getLog().info("Copied " + copied + " resources");
      } catch (final IOException e) {
        throw new MojoExecutionException("NAR: Could not copy resources", e);
      }
  
      // scan resourceDirectory for AOLs
      final File aolDir = new File(this.resourceDirectory, NarConstants.NAR_AOL);
      if (aolDir.exists()) {
        final String[] aol = aolDir.list();
        for (final String anAol : aol) {
          // copy only resources of current AOL
          if (this.resourcesCopyAOL && !anAol.equals(getAOL().toString())) {
            continue;
          }
  
          boolean ignore = false;
          for (final Object element : FileUtils.getDefaultExcludesAsList()) {
            final String exclude = (String) element;
            if (SelectorUtils.matchPath(exclude.replace('/', File.separatorChar), anAol)) {
              ignore = true;
              break;
            }
          }
          if (!ignore) {
            final File aolFile = new File(aolDir, anAol);
            copyResources(aolFile, aolFile.getName());
          }
        }
      }
    }
  }