/*
    * 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.resolver;
  
  import java.nio.file.Path;
  import java.util.List;
  import java.util.Map;
  import java.util.function.Consumer;
  import java.util.stream.Collectors;
  
  import org.apache.maven.api.ArtifactCoordinate;
  import org.apache.maven.api.Session;
  import org.apache.maven.api.Version;
  import org.apache.maven.api.di.Named;
  import org.apache.maven.api.di.Singleton;
  import org.apache.maven.api.services.ArtifactResolverException;
  import org.apache.maven.api.services.ModelResolver;
  import org.apache.maven.api.services.ModelResolverException;
  import org.apache.maven.api.services.ModelSource;
  import org.apache.maven.api.services.VersionRangeResolverException;
  
  /**
   * A model resolver to assist building of dependency POMs.
   *
   * @see DefaultArtifactDescriptorReader
   */
  @Named
  @Singleton
  public class DefaultModelResolver implements ModelResolver {
  
      @Override
      public ModelSource resolveModel(
              Session session, String groupId, String artifactId, String version, Consumer<String> resolvedVersion)
              throws ModelResolverException {
          try {
              ArtifactCoordinate coord = session.createArtifactCoordinate(groupId, artifactId, version, "pom");
              if (coord.getVersion().getVersionRange() != null
                      && coord.getVersion().getVersionRange().getUpperBoundary() == null) {
                  // Message below is checked for in the MNG-2199 core IT.
                  throw new ModelResolverException(
                          String.format("The requested version range '%s' does not specify an upper bound", version),
                          groupId,
                          artifactId,
                          version);
              }
              List<Version> versions = session.resolveVersionRange(coord);
              if (versions.isEmpty()) {
                  throw new ModelResolverException(
                          String.format("No versions matched the requested version range '%s'", version),
                          groupId,
                          artifactId,
                          version);
              }
              String newVersion = versions.get(versions.size() - 1).asString();
              if (!version.equals(newVersion)) {
                  resolvedVersion.accept(newVersion);
              }
  
              Map.Entry<org.apache.maven.api.Artifact, Path> resolved =
                      session.resolveArtifact(session.createArtifactCoordinate(groupId, artifactId, newVersion, "pom"));
              return ModelSource.fromPath(resolved.getValue(), groupId + ":" + artifactId + ":" + newVersion);
          } catch (VersionRangeResolverException | ArtifactResolverException e) {
              throw new ModelResolverException(
                      e.getMessage() + " (remote repositories: "
                              + session.getRemoteRepositories().stream()
                                      .map(Object::toString)
                                      .collect(Collectors.joining(", "))
                              + ")",
                      groupId,
                      artifactId,
                      version,
                      e);
          }
      }
  }