/*
    * 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.eclipse.aether.supplier;
  
  import java.io.File;
  import java.util.Collections;
  import java.util.List;
  
  import org.eclipse.aether.RepositorySystem;
  import org.eclipse.aether.RepositorySystemSession.CloseableSession;
  import org.eclipse.aether.artifact.Artifact;
  import org.eclipse.aether.artifact.DefaultArtifact;
  import org.eclipse.aether.impl.Deployer;
  import org.eclipse.aether.repository.RemoteRepository;
  import org.eclipse.aether.resolution.VersionRangeRequest;
  import org.eclipse.aether.resolution.VersionRangeResult;
  import org.eclipse.aether.spi.io.PathProcessor;
  import org.eclipse.aether.version.Version;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.*;
  
  public class RepositorySystemSupplierTest {
      @Test
      void smoke() throws Exception {
          try (RepositorySystem system = new RepositorySystemSupplier().get();
                  CloseableSession session = new SessionBuilderSupplier(system)
                          .get()
                          .withLocalRepositoryBaseDirectories(new File("target/local-repo").toPath())
                          .build()) {
              Artifact artifact = new DefaultArtifact("org.apache.maven.resolver:maven-resolver-util:[0,)");
              VersionRangeRequest rangeRequest = new VersionRangeRequest();
              rangeRequest.setArtifact(artifact);
              rangeRequest.setRepositories(Collections.singletonList(
                      new RemoteRepository.Builder("central", "default", "https://repo.maven.apache.org/maven2/")
                              .build()));
              VersionRangeResult rangeResult = system.resolveVersionRange(session, rangeRequest);
              List<Version> versions = rangeResult.getVersions();
  
              // As of 2023-11-14, Maven Central has 36 versions of this artifact (and it will just grow)
              assertTrue(versions.size() >= 36);
              System.out.println("Available " + versions.size() + " versions: " + versions);
          }
      }
  
      @Test
      void closed() {
          RepositorySystemSupplier systemSupplier = new RepositorySystemSupplier();
          systemSupplier.get().close(); // get an instance and immediately shut it down, this closes supplier as well
          assertThrows(IllegalStateException.class, systemSupplier::get);
          assertThrows(IllegalStateException.class, systemSupplier::getRepositorySystem);
          assertThrows(IllegalStateException.class, systemSupplier::getChecksumProcessor);
      }
  
      @Test
      void memorizing() {
          RepositorySystemSupplier systemSupplier = new RepositorySystemSupplier();
          PathProcessor pathProcessor = systemSupplier.getPathProcessor();
          Deployer deployer = systemSupplier.getDeployer();
          try (RepositorySystem repositorySystem = systemSupplier.get()) {
              assertSame(systemSupplier.get(), repositorySystem);
              assertSame(systemSupplier.getPathProcessor(), pathProcessor);
              assertSame(systemSupplier.getDeployer(), deployer);
          }
          assertThrows(IllegalStateException.class, systemSupplier::get);
          assertThrows(IllegalStateException.class, systemSupplier::getRepositorySystem);
          assertThrows(IllegalStateException.class, systemSupplier::getDeployer);
          assertThrows(IllegalStateException.class, systemSupplier::getPathProcessor);
      }
  }