/*
    * 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.cling.invoker;
  
  import java.nio.file.Path;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.function.Consumer;
  import java.util.function.Function;
  
  import org.apache.maven.api.ProtoSession;
  import org.apache.maven.api.cli.InvokerException;
  import org.apache.maven.api.cli.InvokerRequest;
  import org.apache.maven.api.cli.Logger;
  import org.apache.maven.api.services.Lookup;
  import org.apache.maven.api.settings.Settings;
  import org.apache.maven.cling.logging.Slf4jConfiguration;
  import org.jline.terminal.Terminal;
  import org.slf4j.ILoggerFactory;
  
  import static java.util.Objects.requireNonNull;
  
  @SuppressWarnings("VisibilityModifier")
  public class LookupContext implements AutoCloseable {
      public final InvokerRequest invokerRequest;
      public final Function<String, Path> cwdResolver;
      public final Function<String, Path> installationResolver;
      public final Function<String, Path> userResolver;
  
      protected LookupContext(InvokerRequest invokerRequest) {
          this.invokerRequest = requireNonNull(invokerRequest);
          this.cwdResolver = s -> invokerRequest.cwd().resolve(s).normalize().toAbsolutePath();
          this.installationResolver = s ->
                  invokerRequest.installationDirectory().resolve(s).normalize().toAbsolutePath();
          this.userResolver =
                  s -> invokerRequest.userHomeDirectory().resolve(s).normalize().toAbsolutePath();
          this.logger = invokerRequest.parserRequest().logger();
  
          Map<String, String> user = new HashMap<>(invokerRequest.userProperties());
          user.put("session.topDirectory", invokerRequest.topDirectory().toString());
          if (invokerRequest.rootDirectory().isPresent()) {
              user.put(
                      "session.rootDirectory",
                      invokerRequest.rootDirectory().get().toString());
          }
          this.protoSession = ProtoSession.newBuilder()
                  .withSystemProperties(invokerRequest.systemProperties())
                  .withUserProperties(user)
                  .withTopDirectory(invokerRequest.topDirectory())
                  .withRootDirectory(invokerRequest.rootDirectory().orElse(null))
                  .build();
      }
  
      // this one "evolves" as process progresses (instance is immutable but instances are replaced)
      public ProtoSession protoSession;
  
      public Logger logger;
      public ILoggerFactory loggerFactory;
      public Slf4jConfiguration slf4jConfiguration;
      public Slf4jConfiguration.Level loggerLevel;
      public Boolean coloredOutput;
      public Terminal terminal;
      public Consumer<String> writer;
      public ContainerCapsule containerCapsule;
      public Lookup lookup;
  
      public boolean interactive;
      public Path localRepositoryPath;
      public Settings effectiveSettings;
  
      public final List<AutoCloseable> closeables = new ArrayList<>();
  
      @Override
      public void close() throws InvokerException {
          List<Exception> causes = null;
          List<AutoCloseable> cs = new ArrayList<>(closeables);
          Collections.reverse(cs);
          for (AutoCloseable c : cs) {
              if (c != null) {
                  try {
                     c.close();
                 } catch (Exception e) {
                     if (causes == null) {
                         causes = new ArrayList<>();
                     }
                     causes.add(e);
                 }
             }
         }
         if (causes != null) {
             InvokerException exception = new InvokerException("Unable to close context");
             causes.forEach(exception::addSuppressed);
             throw exception;
         }
     }
 
     protected void closeContainer() {
         if (containerCapsule != null) {
             try {
                 containerCapsule.close();
             } finally {
                 lookup = null;
                 containerCapsule = null;
             }
         }
     }
 }