/*
    * 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.api.services;
  
  import java.util.Collection;
  import java.util.List;
  import java.util.Objects;
  
  import org.apache.maven.api.ArtifactCoordinates;
  import org.apache.maven.api.RemoteRepository;
  import org.apache.maven.api.Session;
  import org.apache.maven.api.annotations.Experimental;
  import org.apache.maven.api.annotations.Immutable;
  import org.apache.maven.api.annotations.Nonnull;
  import org.apache.maven.api.annotations.NotThreadSafe;
  import org.apache.maven.api.annotations.Nullable;
  
  import static java.util.Objects.requireNonNull;
  
  /**
   * A request for resolving an artifact.
   *
   * @since 4.0.0
   */
  @Experimental
  @Immutable
  public interface ArtifactResolverRequest extends RepositoryAwareRequest {
  
      @Nonnull
      Collection<? extends ArtifactCoordinates> getCoordinates();
  
      @Nonnull
      static ArtifactResolverRequestBuilder builder() {
          return new ArtifactResolverRequestBuilder();
      }
  
      @Nonnull
      static ArtifactResolverRequest build(
              @Nonnull Session session, @Nonnull Collection<? extends ArtifactCoordinates> coordinates) {
          return builder()
                  .session(requireNonNull(session, "session cannot be null"))
                  .coordinates(requireNonNull(coordinates, "coordinates cannot be null"))
                  .build();
      }
  
      @Nonnull
      static ArtifactResolverRequest build(
              @Nonnull Session session,
              @Nonnull Collection<? extends ArtifactCoordinates> coordinates,
              List<RemoteRepository> repositories) {
          return builder()
                  .session(requireNonNull(session, "session cannot be null"))
                  .coordinates(requireNonNull(coordinates, "coordinates cannot be null"))
                  .repositories(repositories)
                  .build();
      }
  
      @NotThreadSafe
      class ArtifactResolverRequestBuilder {
          Session session;
          RequestTrace trace;
          Collection<? extends ArtifactCoordinates> coordinates;
          List<RemoteRepository> repositories;
  
          ArtifactResolverRequestBuilder() {}
  
          @Nonnull
          public ArtifactResolverRequestBuilder session(Session session) {
              this.session = session;
              return this;
          }
  
          @Nonnull
          public ArtifactResolverRequestBuilder trace(RequestTrace trace) {
              this.trace = trace;
              return this;
          }
  
          @Nonnull
          public ArtifactResolverRequestBuilder coordinates(Collection<? extends ArtifactCoordinates> coordinates) {
              this.coordinates = coordinates;
              return this;
          }
 
         @Nonnull
         public ArtifactResolverRequestBuilder repositories(List<RemoteRepository> repositories) {
             this.repositories = repositories;
             return this;
         }
 
         @Nonnull
         public ArtifactResolverRequest build() {
             return new DefaultArtifactResolverRequest(session, trace, coordinates, repositories);
         }
 
         private static class DefaultArtifactResolverRequest extends BaseRequest<Session>
                 implements ArtifactResolverRequest {
             @Nonnull
             private final Collection<? extends ArtifactCoordinates> coordinates;
 
             @Nullable
             private final List<RemoteRepository> repositories;
 
             DefaultArtifactResolverRequest(
                     @Nonnull Session session,
                     @Nullable RequestTrace trace,
                     @Nonnull Collection<? extends ArtifactCoordinates> coordinates,
                     @Nonnull List<RemoteRepository> repositories) {
                 super(session, trace);
                 this.coordinates = List.copyOf(requireNonNull(coordinates, "coordinates cannot be null"));
                 this.repositories = validate(repositories);
             }
 
             @Nonnull
             @Override
             public Collection<? extends ArtifactCoordinates> getCoordinates() {
                 return coordinates;
             }
 
             @Nullable
             @Override
             public List<RemoteRepository> getRepositories() {
                 return repositories;
             }
 
             @Override
             public boolean equals(Object o) {
                 return o instanceof DefaultArtifactResolverRequest that
                         && Objects.equals(coordinates, that.coordinates)
                         && Objects.equals(repositories, that.repositories);
             }
 
             @Override
             public int hashCode() {
                 return Objects.hash(coordinates, repositories);
             }
 
             @Override
             @Nonnull
             public String toString() {
                 return "ArtifactResolverRequest[" + "coordinates="
                         + coordinates + ", repositories="
                         + repositories + ']';
             }
         }
     }
 }