/*
    * 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 javax.annotation.Nonnull;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.util.Collection;
  import java.util.List;
  
  import org.apache.maven.surefire.api.booter.Shutdown;
  import org.apache.maven.surefire.api.report.ReporterConfiguration;
  import org.apache.maven.surefire.api.testset.DirectoryScannerParameters;
  import org.apache.maven.surefire.api.testset.RunOrderParameters;
  import org.apache.maven.surefire.api.testset.TestArtifactInfo;
  import org.apache.maven.surefire.api.testset.TestListResolver;
  import org.apache.maven.surefire.api.testset.TestRequest;
  
  import static org.apache.maven.surefire.api.cli.CommandLineOption.*;
  import static org.apache.maven.surefire.booter.BooterConstants.*;
  
  /**
   * Knows how to serialize and deserialize the booter configuration.
   * <br>
   * The internal serialization format is through a properties file. The long-term goal of this
   * class is not to expose this implementation information to its clients. This still leaks somewhat,
   * and there are some cases where properties are being accessed as "Properties" instead of
   * more representative domain objects.
   * <br>
   *
   * @author Jason van Zyl
   * @author Emmanuel Venisse
   * @author Kristian Rosenvold
   */
  public class BooterDeserializer {
      private final PropertiesWrapper properties;
  
      public BooterDeserializer(InputStream inputStream) throws IOException {
          properties = SystemPropertyManager.loadProperties(inputStream);
      }
  
      public int getForkNumber() {
          return properties.getIntProperty(FORK_NUMBER);
      }
  
      /**
       * Describes the current connection channel used by the client in the forked JVM
       * in order to connect to the plugin process.
       *
       * @return connection string (must not be null)
       */
      @Nonnull
      public String getConnectionString() {
          return properties.getProperty(FORK_NODE_CONNECTION_STRING);
      }
  
      /**
       * @return PID of Maven process where plugin is executed; or null if PID could not be determined.
       */
      public String getPluginPid() {
          return properties.getProperty(PLUGIN_PID);
      }
  
      public ProviderConfiguration deserialize() {
          final File reportsDirectory = new File(properties.getProperty(REPORTSDIRECTORY));
          final String testNgVersion = properties.getProperty(TESTARTIFACT_VERSION);
          final String testArtifactClassifier = properties.getProperty(TESTARTIFACT_CLASSIFIER);
  
          final TypeEncodedValue typeEncodedTestForFork = properties.getTypeEncodedValue(FORKTESTSET);
          final boolean preferTestsFromInStream = properties.getBooleanProperty(FORKTESTSET_PREFER_TESTS_FROM_IN_STREAM);
  
          final String requestedTest = properties.getProperty(REQUESTEDTEST);
          final File sourceDirectory = properties.getFileProperty(SOURCE_DIRECTORY);
  
          final List<String> excludes = properties.getStringList(EXCLUDES_PROPERTY_PREFIX);
          final List<String> includes = properties.getStringList(INCLUDES_PROPERTY_PREFIX);
          final List<String> specificTests = properties.getStringList(SPECIFIC_TEST_PROPERTY_PREFIX);
  
          final File testClassesDirectory = properties.getFileProperty(TEST_CLASSES_DIRECTORY);
          final String runOrder = properties.getProperty(RUN_ORDER);
          final Long runOrderRandomSeed = properties.getLongProperty(RUN_ORDER_RANDOM_SEED);
         final String runStatisticsFile = properties.getProperty(RUN_STATISTICS_FILE);
 
         final int rerunFailingTestsCount = properties.getIntProperty(RERUN_FAILING_TESTS_COUNT);
 
         DirectoryScannerParameters dirScannerParams =
                 new DirectoryScannerParameters(testClassesDirectory, includes, excludes, specificTests, runOrder);
 
         RunOrderParameters runOrderParameters = new RunOrderParameters(
                 runOrder, runStatisticsFile == null ? null : new File(runStatisticsFile), runOrderRandomSeed);
 
         TestArtifactInfo testNg = new TestArtifactInfo(testNgVersion, testArtifactClassifier);
         TestRequest testSuiteDefinition =
                 new TestRequest(sourceDirectory, new TestListResolver(requestedTest), rerunFailingTestsCount);
 
         ReporterConfiguration reporterConfiguration =
                 new ReporterConfiguration(reportsDirectory, properties.getBooleanProperty(ISTRIMSTACKTRACE));
 
         Collection<String> cli = properties.getStringList(MAIN_CLI_OPTIONS);
 
         int failFastCount = properties.getIntProperty(FAIL_FAST_COUNT);
 
         Shutdown shutdown = Shutdown.valueOf(properties.getProperty(SHUTDOWN));
 
         String systemExitTimeoutAsString = properties.getProperty(SYSTEM_EXIT_TIMEOUT);
         Integer systemExitTimeout =
                 systemExitTimeoutAsString == null ? null : Integer.valueOf(systemExitTimeoutAsString);
 
         return new ProviderConfiguration(
                 dirScannerParams,
                 runOrderParameters,
                 reporterConfiguration,
                 testNg,
                 testSuiteDefinition,
                 properties.getProperties(),
                 typeEncodedTestForFork,
                 preferTestsFromInStream,
                 fromStrings(cli),
                 failFastCount,
                 shutdown,
                 systemExitTimeout);
     }
 
     public StartupConfiguration getStartupConfiguration() {
         boolean useSystemClassLoader = properties.getBooleanProperty(USESYSTEMCLASSLOADER);
         boolean useManifestOnlyJar = properties.getBooleanProperty(USEMANIFESTONLYJAR);
         String providerConfiguration = properties.getProperty(PROVIDER_CONFIGURATION);
 
         ClassLoaderConfiguration classLoaderConfiguration =
                 new ClassLoaderConfiguration(useSystemClassLoader, useManifestOnlyJar);
 
         ClasspathConfiguration classpathConfiguration = new ClasspathConfiguration(properties);
 
         String processChecker = properties.getProperty(PROCESS_CHECKER);
         ProcessCheckerType processCheckerType = ProcessCheckerType.toEnum(processChecker);
 
         return StartupConfiguration.inForkedVm(
                 providerConfiguration, classpathConfiguration,
                 classLoaderConfiguration, processCheckerType);
     }
 }