/*
    * 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.repository.internal;
  
  import java.io.File;
  import java.util.Map;
  import java.util.Objects;
  
  import org.eclipse.aether.artifact.AbstractArtifact;
  import org.eclipse.aether.artifact.Artifact;
  
  /**
   * @author Benjamin Bentmann
   */
  public final class RelocatedArtifact extends AbstractArtifact {
  
      private final Artifact artifact;
  
      private final String groupId;
  
      private final String artifactId;
  
      private final String classifier;
  
      private final String extension;
  
      private final String version;
  
      private final String message;
  
      public RelocatedArtifact(
              Artifact artifact,
              String groupId,
              String artifactId,
              String classifier,
              String extension,
              String version,
              String message) {
          this.artifact = Objects.requireNonNull(artifact, "artifact cannot be null");
          this.groupId = (groupId != null && !groupId.isEmpty()) ? groupId : null;
          this.artifactId = (artifactId != null && !artifactId.isEmpty()) ? artifactId : null;
          this.classifier = (classifier != null && !classifier.isEmpty()) ? classifier : null;
          this.extension = (extension != null && !extension.isEmpty()) ? extension : null;
          this.version = (version != null && !version.isEmpty()) ? version : null;
          this.message = (message != null && !message.isEmpty()) ? message : null;
      }
  
      @Override
      public String getGroupId() {
          if (groupId != null) {
              return groupId;
          } else {
              return artifact.getGroupId();
          }
      }
  
      @Override
      public String getArtifactId() {
          if (artifactId != null) {
              return artifactId;
          } else {
              return artifact.getArtifactId();
          }
      }
  
      @Override
      public String getClassifier() {
          if (classifier != null) {
              return classifier;
          } else {
              return artifact.getClassifier();
          }
      }
  
      @Override
      public String getExtension() {
          if (extension != null) {
              return extension;
          } else {
              return artifact.getExtension();
          }
      }
  
     @Override
     public String getVersion() {
         if (version != null) {
             return version;
         } else {
             return artifact.getVersion();
         }
     }
 
     // Revise these three methods when MRESOLVER-233 is delivered
     @Override
     public Artifact setVersion(String version) {
         String current = getVersion();
         if (current.equals(version) || (version == null && current.isEmpty())) {
             return this;
         }
         return new RelocatedArtifact(artifact, groupId, artifactId, classifier, extension, version, message);
     }
 
     @Override
     public Artifact setFile(File file) {
         File current = getFile();
         if (Objects.equals(current, file)) {
             return this;
         }
         return new RelocatedArtifact(
                 artifact.setFile(file), groupId, artifactId, classifier, extension, version, message);
     }
 
     @Override
     public Artifact setProperties(Map<String, String> properties) {
         Map<String, String> current = getProperties();
         if (current.equals(properties) || (properties == null && current.isEmpty())) {
             return this;
         }
         return new RelocatedArtifact(
                 artifact.setProperties(properties), groupId, artifactId, classifier, extension, version, message);
     }
 
     @Override
     public File getFile() {
         return artifact.getFile();
     }
 
     @Override
     public String getProperty(String key, String defaultValue) {
         return artifact.getProperty(key, defaultValue);
     }
 
     @Override
     public Map<String, String> getProperties() {
         return artifact.getProperties();
     }
 
     public String getMessage() {
         return message;
     }
 }