/*
    * 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.codehaus.modello.plugin.velocity;
  
  import java.io.File;
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  import java.util.Objects;
  import java.util.Properties;
  import java.util.stream.Collectors;
  import org.apache.maven.plugins.annotations.LifecyclePhase;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.codehaus.modello.maven.AbstractModelloGeneratorMojo;
  
  /**
   * Creates an XML schema from the model.
   *
   * @author <a href="mailto:brett@codehaus.org">Brett Porter</a>
   */
  @Mojo(name = "velocity", defaultPhase = LifecyclePhase.GENERATE_SOURCES, threadSafe = true)
  public class ModelloVelocityMojo extends AbstractModelloGeneratorMojo {
      /**
       * The output directory of the generated XML Schema.
       */
      @Parameter(defaultValue = "${project.build.directory}/generated-sources/modello", required = true)
      private File outputDirectory;
  
      @Parameter
      private List<String> templates;
  
      @Parameter
      private List<String> params;
  
      protected String getGeneratorType() {
          return "velocity";
      }
  
      protected void customizeParameters(Properties parameters) {
          super.customizeParameters(parameters);
          Map<String, String> params = this.params != null
                  ? this.params.stream()
                          .collect(Collectors.toMap(
                                  s -> s.substring(0, s.indexOf('=')), s -> s.substring(s.indexOf('=') + 1)))
                  : Collections.emptyMap();
          parameters.put("basedir", Objects.requireNonNull(getBasedir(), "basedir is null"));
          parameters.put(VelocityGenerator.VELOCITY_TEMPLATES, String.join(",", templates));
          parameters.put(VelocityGenerator.VELOCITY_PARAMETERS, params);
      }
  
      protected boolean producesCompilableResult() {
          return true;
      }
  
      public File getOutputDirectory() {
          return outputDirectory;
      }
  
      public void setOutputDirectory(File outputDirectory) {
          this.outputDirectory = outputDirectory;
      }
  }