content: /*
   * 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.camel.quarkus.support.reactor.netty.deployment;
  
  import java.io.IOException;
  import java.util.LinkedHashSet;
  import java.util.Set;
  import java.util.function.BooleanSupplier;
  import java.util.stream.Collectors;
  import java.util.stream.Stream;
  
  import com.azure.core.annotation.ServiceInterface;
  import com.azure.core.exception.HttpResponseException;
  import com.azure.core.http.HttpClientProvider;
  import com.azure.json.JsonSerializable;
  import com.azure.xml.XmlSerializable;
  import io.quarkus.deployment.annotations.BuildProducer;
  import io.quarkus.deployment.annotations.BuildStep;
  import io.quarkus.deployment.builditem.CombinedIndexBuildItem;
  import io.quarkus.deployment.builditem.IndexDependencyBuildItem;
  import io.quarkus.deployment.builditem.nativeimage.NativeImageProxyDefinitionBuildItem;
  import io.quarkus.deployment.builditem.nativeimage.NativeImageResourceBuildItem;
  import io.quarkus.deployment.builditem.nativeimage.ReflectiveClassBuildItem;
  import io.quarkus.deployment.builditem.nativeimage.RuntimeReinitializedClassBuildItem;
  import io.quarkus.deployment.builditem.nativeimage.ServiceProviderBuildItem;
  import io.quarkus.deployment.util.ServiceUtil;
  import io.smallrye.common.os.OS;
  import org.jboss.jandex.ClassInfo;
  import org.jboss.jandex.DotName;
  
  public class AzureCoreSupportProcessor {
      private static final DotName SERVICE_INTERFACE_DOT_NAME = DotName.createSimple(ServiceInterface.class.getName());
  
      @BuildStep
      void indexDependency(BuildProducer<IndexDependencyBuildItem> indexedDependencies) {
          indexedDependencies.produce(new IndexDependencyBuildItem("com.azure", "azure-core"));
          indexedDependencies.produce(new IndexDependencyBuildItem("com.azure", "azure-identity"));
      }
  
      @BuildStep
      void reflectiveClasses(
              CombinedIndexBuildItem combinedIndex,
              BuildProducer<ReflectiveClassBuildItem> reflectiveClasses) {
          reflectiveClasses.produce(ReflectiveClassBuildItem.builder(com.azure.core.util.DateTimeRfc1123.class,
                  com.azure.core.http.HttpHeaderName.class,
                  com.azure.core.http.rest.StreamResponse.class,
                  com.azure.core.http.rest.ResponseBase.class).build());
  
          reflectiveClasses.produce(ReflectiveClassBuildItem.builder("com.microsoft.aad.msal4j.AadInstanceDiscoveryResponse",
                  "com.microsoft.aad.msal4j.InstanceDiscoveryMetadataEntry").fields().build());
  
          // HttpResponseException instances may be dynamically instantiated and have methods invoked reflectively
          Set<String> httpResponseExceptionClasses = combinedIndex.getIndex()
                  .getAllKnownSubclasses(HttpResponseException.class)
                  .stream()
                  .map(ClassInfo::name)
                  .map(DotName::toString)
                  .collect(Collectors.toUnmodifiableSet());
  
          reflectiveClasses.produce(ReflectiveClassBuildItem.builder(httpResponseExceptionClasses.toArray(new String[0]))
                  .methods()
                  .build());
  
          // implementations of serializers are used during errors reporting
          LinkedHashSet<String> serializers = new LinkedHashSet<>(
                  combinedIndex.getIndex().getAllKnownImplementations(JsonSerializable.class).stream()
                          .map(ci -> ci.name().toString())
                          .toList());
          serializers.addAll(combinedIndex.getIndex().getAllKnownImplementations(XmlSerializable.class).stream()
                  .map(ci -> ci.name().toString())
                  .toList());
  
          reflectiveClasses.produce(ReflectiveClassBuildItem.builder(serializers.toArray(new String[0]))
                  .methods()
                  .fields()
                  .build());
      }
  
      @BuildStep
      void nativeResources(BuildProducer<ServiceProviderBuildItem> services,
              BuildProducer<NativeImageResourceBuildItem> nativeResources) {
          Stream.of(
                  HttpClientProvider.class.getName(), // TODO move this to a separate camel-quarkus-azure-core extension
                  "reactor.blockhound.integration.BlockHoundIntegration" // TODO: move to reactor extension
  
          )
                  .forEach(service -> {
                      try {
                          Set<String> implementations = ServiceUtil.classNamesNamedIn(
                                  Thread.currentThread().getContextClassLoader(),
                                  "META-INF/services/" + service);
                          services.produce(
                                  new ServiceProviderBuildItem(service,
                                          implementations.toArray(new String[0])));
  
                      } catch (IOException e) {
                          throw new RuntimeException(e);
                      }
                  });
  
          nativeResources.produce(new NativeImageResourceBuildItem(
                  "azure-core.properties"));
      }
  
      @BuildStep
      void proxyDefinitions(
              CombinedIndexBuildItem combinedIndex,
              BuildProducer<NativeImageProxyDefinitionBuildItem> proxyDefinitions) {
  
          combinedIndex
                  .getIndex()
                  .getAnnotations(SERVICE_INTERFACE_DOT_NAME)
                  .stream()
                  .map(annotationInstance -> annotationInstance.target().asClass().name().toString())
                  .map(NativeImageProxyDefinitionBuildItem::new)
                  .forEach(proxyDefinitions::produce);
      }
  
      @BuildStep(onlyIf = Msal4jAndIdentityIsPresent.class)
      void enableLoadingOfNativeLibraries(BuildProducer<RuntimeReinitializedClassBuildItem> runtimeReinitializedClass) {
          OS os = OS.current();
          if (os.equals(OS.LINUX) || os.equals(OS.MAC)) {
              String iSecurityLibraryClassName = "com.microsoft.aad.msal4jextensions.persistence.%s.ISecurityLibrary"
                      .formatted(os.name().toLowerCase());
              runtimeReinitializedClass.produce(new RuntimeReinitializedClassBuildItem(iSecurityLibraryClassName));
          }
  
          if (os.equals(OS.WINDOWS)) {
              runtimeReinitializedClass.produce(new RuntimeReinitializedClassBuildItem("com.sun.jna.platform.win32.Crypt32"));
              runtimeReinitializedClass.produce(new RuntimeReinitializedClassBuildItem("com.sun.jna.platform.win32.Kernel32"));
          }
      }
  
      public static final class Msal4jAndIdentityIsPresent implements BooleanSupplier {
          @Override
          public boolean getAsBoolean() {
              try {
                  Thread.currentThread().getContextClassLoader().loadClass("com.microsoft.aad.msal4j.Credential");
                  Thread.currentThread().getContextClassLoader().loadClass("com.azure.identity.implementation.IdentityClient");
                  return true;
              } catch (ClassNotFoundException e) {
                  return false;
              }
          }
      }
  }
  