/*
    * 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.internal.impl.model;
  
  import java.nio.file.Path;
  
  import org.apache.maven.api.di.Inject;
  import org.apache.maven.api.di.Named;
  import org.apache.maven.api.di.Singleton;
  import org.apache.maven.api.model.ActivationFile;
  import org.apache.maven.api.services.Interpolator;
  import org.apache.maven.api.services.InterpolatorException;
  import org.apache.maven.api.services.model.PathTranslator;
  import org.apache.maven.api.services.model.ProfileActivationContext;
  import org.apache.maven.api.services.model.RootLocator;
  
  /**
   * Finds an absolute path for {@link ActivationFile#getExists()} or {@link ActivationFile#getMissing()}
   */
  @Named
  @Singleton
  public class ProfileActivationFilePathInterpolator {
  
      private final PathTranslator pathTranslator;
  
      private final RootLocator rootLocator;
  
      private final Interpolator interpolator;
  
      @Inject
      public ProfileActivationFilePathInterpolator(
              PathTranslator pathTranslator, RootLocator rootLocator, Interpolator interpolator) {
          this.pathTranslator = pathTranslator;
          this.rootLocator = rootLocator;
          this.interpolator = interpolator;
      }
  
      /**
       * Interpolates given {@code path}.
       *
       * @return absolute path or {@code null} if the input was {@code null}
       */
      public String interpolate(String path, ProfileActivationContext context) throws InterpolatorException {
          if (path == null) {
              return null;
          }
  
          Path basedir = context.getProjectDirectory();
  
          String absolutePath = interpolator.interpolate(path, s -> {
              if ("basedir".equals(s) || "project.basedir".equals(s)) {
                  return basedir != null ? basedir.toFile().getAbsolutePath() : null;
              }
              if ("project.rootDirectory".equals(s)) {
                  Path root = rootLocator.findMandatoryRoot(basedir);
                  return root.toFile().getAbsolutePath();
              }
              String r = context.getProjectProperties().get(s);
              if (r == null) {
                  r = context.getUserProperties().get(s);
              }
              if (r == null) {
                  r = context.getSystemProperties().get(s);
              }
              return r;
          });
  
          return pathTranslator.alignToBaseDirectory(absolutePath, basedir);
      }
  }