/*
    * 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.surefire.booter;
  
  import java.io.PrintStream;
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  
  import org.apache.maven.surefire.api.provider.SurefireProvider;
  import org.apache.maven.surefire.api.report.ReporterException;
  import org.apache.maven.surefire.api.suite.RunResult;
  import org.apache.maven.surefire.api.testset.TestSetFailedException;
  
  import static org.apache.maven.surefire.api.util.ReflectionUtils.getMethod;
  import static org.apache.maven.surefire.api.util.ReflectionUtils.invokeGetter;
  import static org.apache.maven.surefire.api.util.ReflectionUtils.invokeMethodWithArray;
  import static org.apache.maven.surefire.api.util.ReflectionUtils.invokeMethodWithArray2;
  import static org.apache.maven.surefire.api.util.internal.ObjectUtils.isSecurityManagerSupported;
  
  /**
   * Creates the surefire provider.
   * <br>
   *
   * @author Kristian Rosenvold
   */
  public class ProviderFactory {
      private final StartupConfiguration startupConfiguration;
  
      private final ProviderConfiguration providerConfiguration;
  
      private final ClassLoader classLoader;
  
      private final SurefireReflector surefireReflector;
  
      private final Object reporterManagerFactory;
  
      private static final Class<?>[] INVOKE_PARAMETERS = {Object.class};
  
      private static final Class<?>[] INVOKE_EMPTY_PARAMETER_TYPES = {};
  
      private static final Object[] INVOKE_EMPTY_PARAMETERS = {};
  
      public ProviderFactory(
              StartupConfiguration startupConfiguration,
              ProviderConfiguration providerConfiguration,
              ClassLoader testsClassLoader,
              Object reporterManagerFactory) {
          this.providerConfiguration = providerConfiguration;
          this.startupConfiguration = startupConfiguration;
          this.surefireReflector = new SurefireReflector(testsClassLoader);
          this.classLoader = testsClassLoader;
          this.reporterManagerFactory = reporterManagerFactory;
      }
  
      public static RunResult invokeProvider(
              Object testSet,
              ClassLoader testsClassLoader,
              Object factory,
              ProviderConfiguration providerConfiguration,
              boolean insideFork,
              StartupConfiguration startupConfig,
              boolean restoreStreams)
              throws TestSetFailedException, InvocationTargetException {
          final PrintStream orgSystemOut = System.out;
          final PrintStream orgSystemErr = System.err;
          // Note that System.out/System.err are also read in the "ReporterConfiguration" instantiation
          // in createProvider below. These are the same values as here.
  
          try {
              return new ProviderFactory(startupConfig, providerConfiguration, testsClassLoader, factory)
                      .createProvider(insideFork)
                      .invoke(testSet);
          } finally {
              if (restoreStreams && (!isSecurityManagerSupported() || System.getSecurityManager() == null)) {
                  System.setOut(orgSystemOut);
                  System.setErr(orgSystemErr);
              }
          }
      }
  
      public SurefireProvider createProvider(boolean isInsideFork) {
          final Thread currentThread = Thread.currentThread();
          final ClassLoader systemClassLoader = currentThread.getContextClassLoader();
         currentThread.setContextClassLoader(classLoader);
         // Note: Duplicated in ForkedBooter#createProviderInCurrentClassloader
         Object o = surefireReflector.createBooterConfiguration(classLoader, isInsideFork);
         surefireReflector.setReporterFactoryAware(o, reporterManagerFactory);
         surefireReflector.setTestSuiteDefinitionAware(o, providerConfiguration.getTestSuiteDefinition());
         surefireReflector.setProviderPropertiesAware(o, providerConfiguration.getProviderProperties());
         surefireReflector.setReporterConfigurationAware(o, providerConfiguration.getReporterConfiguration());
         surefireReflector.setTestClassLoaderAware(o, classLoader);
         surefireReflector.setTestArtifactInfoAware(o, providerConfiguration.getTestArtifact());
         surefireReflector.setRunOrderParameters(o, providerConfiguration.getRunOrderParameters());
         surefireReflector.setIfDirScannerAware(o, providerConfiguration.getDirScannerParams());
         surefireReflector.setMainCliOptions(o, providerConfiguration.getMainCliOptions());
         surefireReflector.setSkipAfterFailureCount(o, providerConfiguration.getSkipAfterFailureCount());
         if (isInsideFork) {
             surefireReflector.setSystemExitTimeout(o, providerConfiguration.getSystemExitTimeout());
         }
 
         Object provider = surefireReflector.instantiateProvider(startupConfiguration.getActualClassName(), o);
         currentThread.setContextClassLoader(systemClassLoader);
 
         return new ProviderProxy(provider, classLoader);
     }
 
     private final class ProviderProxy implements SurefireProvider {
         private final Object providerInOtherClassLoader;
 
         private final ClassLoader testsClassLoader;
 
         private ProviderProxy(Object providerInOtherClassLoader, ClassLoader testsClassLoader) {
             this.providerInOtherClassLoader = providerInOtherClassLoader;
             this.testsClassLoader = testsClassLoader;
         }
 
         @Override
         public Iterable<Class<?>> getSuites() {
             ClassLoader current = swapClassLoader(testsClassLoader);
             try {
                 return invokeGetter(providerInOtherClassLoader, "getSuites");
             } finally {
                 Thread.currentThread().setContextClassLoader(current);
             }
         }
 
         @Override
         public RunResult invoke(Object forkTestSet) throws ReporterException, InvocationTargetException {
             ClassLoader current = swapClassLoader(testsClassLoader);
             try {
                 Method invoke = getMethod(providerInOtherClassLoader.getClass(), "invoke", INVOKE_PARAMETERS);
                 Object result = invokeMethodWithArray2(providerInOtherClassLoader, invoke, forkTestSet);
                 return (RunResult) surefireReflector.convertIfRunResult(result);
             } finally {
                 if (System.getSecurityManager() == null) {
                     Thread.currentThread().setContextClassLoader(current);
                 }
             }
         }
 
         private ClassLoader swapClassLoader(ClassLoader newClassLoader) {
             ClassLoader current = Thread.currentThread().getContextClassLoader();
             Thread.currentThread().setContextClassLoader(newClassLoader);
             return current;
         }
 
         @Override
         public void cancel() {
             Class<?> providerType = providerInOtherClassLoader.getClass();
             Method invoke = getMethod(providerType, "cancel", INVOKE_EMPTY_PARAMETER_TYPES);
             invokeMethodWithArray(providerInOtherClassLoader, invoke, INVOKE_EMPTY_PARAMETERS);
         }
     }
 }