/*
    * 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 org.apache.maven.model.Repository;
  import org.eclipse.aether.artifact.Artifact;
  import org.eclipse.aether.artifact.DefaultArtifact;
  import org.eclipse.aether.repository.RemoteRepository;
  import org.eclipse.aether.repository.RepositoryPolicy;
  
  /**
   * <strong>Warning:</strong> This is an internal utility class that is only public for technical reasons, it is not part
   * of the public API. In particular, this class can be changed or deleted without prior notice.
   *
   */
  public class ArtifactDescriptorUtils {
  
      public static Artifact toPomArtifact(Artifact artifact) {
          Artifact pomArtifact = artifact;
  
          if (!pomArtifact.getClassifier().isEmpty() || !"pom".equals(pomArtifact.getExtension())) {
              pomArtifact =
                      new DefaultArtifact(artifact.getGroupId(), artifact.getArtifactId(), "pom", artifact.getVersion());
          }
  
          return pomArtifact;
      }
  
      /**
       * Creates POM artifact out of passed in artifact by dropping classifier (if exists) and rewriting extension to
       * "pom". Unconditionally, unlike {@link #toPomArtifact(Artifact)} that does this only for artifacts without
       * classifiers.
       *
       * @since 4.0.0
       */
      public static Artifact toPomArtifactUnconditionally(Artifact artifact) {
          return new DefaultArtifact(artifact.getGroupId(), artifact.getArtifactId(), "pom", artifact.getVersion());
      }
  
      public static RemoteRepository toRemoteRepository(Repository repository) {
          RemoteRepository.Builder builder =
                  new RemoteRepository.Builder(repository.getId(), repository.getLayout(), repository.getUrl());
          builder.setSnapshotPolicy(toRepositoryPolicy(repository.getSnapshots()));
          builder.setReleasePolicy(toRepositoryPolicy(repository.getReleases()));
          return builder.build();
      }
  
      public static RepositoryPolicy toRepositoryPolicy(org.apache.maven.model.RepositoryPolicy policy) {
          boolean enabled = true;
          String checksums = toRepositoryChecksumPolicy(RepositoryPolicy.CHECKSUM_POLICY_WARN); // the default
          String updates = RepositoryPolicy.UPDATE_POLICY_DAILY;
  
          if (policy != null) {
              enabled = policy.isEnabled();
              if (policy.getUpdatePolicy() != null) {
                  updates = policy.getUpdatePolicy();
              }
              if (policy.getChecksumPolicy() != null) {
                  checksums = policy.getChecksumPolicy();
              }
          }
  
          return new RepositoryPolicy(enabled, updates, checksums);
      }
  
      public static String toRepositoryChecksumPolicy(final String artifactRepositoryPolicy) {
          switch (artifactRepositoryPolicy) {
              case RepositoryPolicy.CHECKSUM_POLICY_FAIL:
                  return RepositoryPolicy.CHECKSUM_POLICY_FAIL;
              case RepositoryPolicy.CHECKSUM_POLICY_IGNORE:
                  return RepositoryPolicy.CHECKSUM_POLICY_IGNORE;
              case RepositoryPolicy.CHECKSUM_POLICY_WARN:
                  return RepositoryPolicy.CHECKSUM_POLICY_WARN;
              default:
                  throw new IllegalArgumentException("unknown repository checksum policy: " + artifactRepositoryPolicy);
          }
      }
  }