/*
 * Copyright 2000-2010 JetBrains s.r.o.
 *
 * Licensed 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 jetbrains.buildServer.eclipse.agent.builder;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

import jetbrains.buildServer.RunBuildException;
import jetbrains.buildServer.agent.BuildRunnerContext;
import jetbrains.buildServer.agent.runner.ProgramCommandLine;
import jetbrains.buildServer.eclipse.EclipseConstants;
import jetbrains.buildServer.eclipse.java.BuildDescriptor;
import jetbrains.buildServer.eclipse.java.PlatformDescriptor;
import jetbrains.buildServer.util.FileUtil;

import org.apache.log4j.Logger;

public class PluginsProjectBuilder extends FeatureBasedProjectBuilder {

  private static final String TEMPORARY_CONTAINER_FEATURE_ID = "org.eclipse.pde.container.feature";
  private final static Logger LOG = Logger.getLogger(PluginsProjectBuilder.class);
  private File myFeatureRoot;

  public PluginsProjectBuilder(BuildRunnerContext buildRunnerContext, PlatformDescriptor platform, BuildDescriptor buildDescriptor) {
    super(buildRunnerContext, platform, buildDescriptor);
  }

  @Override
  public void init() throws RunBuildException {
    try {
      //create temporary 'org.eclipse.pde.container.feature' feature
      myFeatureRoot = createFeature(getBuildDescriptor().getTypeId());
    } catch (Exception e) {
      throw new RunBuildException(e);
    }
    super.init();
  }

  private File createFeature(final String... plugins) throws IOException {
    final File featuresFolder = getBuildDescriptor().getFeaturesFolder();
    if (!featuresFolder.exists()) {
      featuresFolder.mkdirs();
      LOG.debug(String.format("Absent 'features' folder created: '%s'", featuresFolder));
    }
    final File containerFeature = new File(featuresFolder, TEMPORARY_CONTAINER_FEATURE_ID);
    containerFeature.mkdirs();
    LOG.debug(String.format("Temporary container feature created: '%s'", containerFeature.getName()));
    //create the feature's content
    FileUtil.writeToFile(new File(containerFeature, "build.properties"), "pde=marker".getBytes());
    final File featureFile = new File(containerFeature, "feature.xml");
    BufferedWriter writer = new BufferedWriter(new FileWriter(featureFile));
    writer.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
    writer.write(String.format("<feature id=\"%s\" version=\"1.0\">\n", TEMPORARY_CONTAINER_FEATURE_ID));
    for (final String pluginId : plugins) {
      writer.write(String.format("<plugin id=\"%s\" unpack=\"false\" version=\"%s\"/>\n", pluginId, getBuildDescriptor().getTypeVersion(pluginId)));
    }
    writer.write("</feature>\n");
    writer.flush();
    writer.close();
    return containerFeature;
  }

  @Override
  public ProgramCommandLine[] makeCommandLines() {
    return new ProgramCommandLine[] { makeCommandLinesFor(EclipseConstants.ECLIPSE_BUILD_TYPE_FEATURE, TEMPORARY_CONTAINER_FEATURE_ID) };
  }
  
  //java -jar "C:\eclipse\eclipse-PDE-build\eclipse\plugins\org.eclipse.equinox.launcher_1.1.0.v20100507.jar" -application org.eclipse.ant.core.antRunner -buildfile "C:\eclipse\eclipse-PDE-build\eclipse\plugins\org.eclipse.pde.build_3.6.1.R36x_v20100823/scripts/build.xml" -DtopLevelElementType=feature -DbuildDirectory=Z:\teamcity\TeamCity-distr\TeamCity\buildAgent\work\d0951b78f57d07ec -DforceContextQualifier=12 -Dbuilder="Z:\teamcity\TeamCity-distr\TeamCity\buildAgent\work\d0951b78f57d07ec" -DtopLevelElementId=org.eclipse.pde.container.feature -Dp2.flavor=tooling -DjavacSource=1.5 -DjavacTarget=1.5 -Dbase=C:\eclipse\eclipse-PDE-build -DbaseLocation=C:\eclipse\eclipse-PDE-build\eclipse -DskipFetch=true -DskipBase=true -DskipMaps=true -Dinclude.children=true -DbuildTempFolder=Z:\teamcity\TeamCity-distr\TeamCity\buildAgent\work\d0951b78f57d07ec\tmp -Dfeature.temp.folder=Z:\teamcity\TeamCity-distr\TeamCity\buildAgent\work\d0951b78f57d07ec\tmp -DgenerateAPIDescription=true -DrunPackager=true -DjavacFailOnError=false -DarchivesFormat=*,*,*-folder -Dbaseos=* -Dbasews=* -Dbasearch=*
  //java -jar "C:\eclipse\eclipse-PDE-build\eclipse\plugins\org.eclipse.equinox.launcher_1.1.0.v20100507.jar" -application org.eclipse.ant.core.antRunner -buildfile "C:\eclipse\eclipse-PDE-build\eclipse\plugins\org.eclipse.pde.build_3.6.1.R36x_v20100823/scripts/build.xml" -DtopLevelElementType=feature -DbuildDirectory=Z:\teamcity\TeamCity-distr\TeamCity\buildAgent\work\d0951b78f57d07ec -DforceContextQualifier=12 -Dbuilder="Z:\teamcity\TeamCity-distr\TeamCity\buildAgent\work\d0951b78f57d07ec" -DtopLevelElementId=org.eclipse.pde.container.feature -Dp2.flavor=tooling -DjavacSource=1.5 -DjavacTarget=1.5 -Dbase=C:\eclipse\eclipse-PDE-build -DbaseLocation=C:\eclipse\eclipse-PDE-build\eclipse -DskipFetch=true -DskipBase=true -DskipMaps=true -Dinclude.children=true -DbuildTempFolder=Z:\teamcity\TeamCity-distr\TeamCity\buildAgent\work\d0951b78f57d07ec\tmp -Dfeature.temp.folder=Z:\teamcity\TeamCity-distr\TeamCity\buildAgent\work\d0951b78f57d07ec\tmp -DgenerateAPIDescription=true -DrunPackager=true -DjavacFailOnError=false -DarchivesFormat=*,*,*-antZip -Dbaseos=* -Dbasews=* -Dbasearch=* -DbuildLabel=. -DarchivePrefix="" -DcustomAssembly=Z:\teamcity\TeamCity-distr\TeamCity\buildAgent\work\d0951b78f57d07ec\customAssembly.xml -verbose>out 2>&1

  @Override
  public void destroy() {
    //    if (myFeatureRoot != null && myFeatureRoot.exists()) {
    //      FileUtil.delete(myFeatureRoot);
    //      LOG.debug(String.format("Drop temporary feature in '%s'", myFeatureRoot));
    //      myFeatureRoot = null;
    //    }
    super.destroy();
  }

}