/***********************************************************************************************************************************
 * Copyright (c) 2000, 2002 IBM Corp. and others. All rights reserved. This program and the accompanying materials are made
 * available under the terms of the Common Public License v1.0 which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors: IBM Corporation - Initial implementation Vicente Fernando - www.alfersoft.com.ar Christian Perkonig - remote Debug
 **********************************************************************************************************************************/
package net.sourceforge.phpdt.internal.launching;

import java.util.Iterator;

import net.sourceforge.phpdt.internal.core.JavaProject;
import net.sourceforge.phpdt.internal.debug.core.PHPDBGProxy;
import net.sourceforge.phpdt.internal.debug.core.model.PHPDebugTarget;
import net.sourceforge.phpeclipse.ui.editor.BrowserUtil;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.model.IProcess;
import org.eclipse.swt.widgets.Display;

//import net.sourceforge.phpeclipse.resourcesview.PHPProject;

public class DebuggerRunner extends InterpreterRunner {

  public IProcess run(InterpreterRunnerConfiguration configuration, ILaunch launch) {
    String[] env;
    String name, value;
    PHPDBGProxy newPHPDBGProxy = new PHPDBGProxy(configuration.useRemoteDebugger(), configuration.getRemoteSourcePath());
    int pos;

    IProcess process = null;
    PHPDebugTarget debugTarget = new PHPDebugTarget(launch, process);
    newPHPDBGProxy.setDebugTarget(debugTarget);
    newPHPDBGProxy.start();
    if (configuration.useRemoteDebugger()) {
      // listener for remote debuger is started
      if (configuration.useDBGSessionInBrowser()) {
        activateDBGSESSIDPreview(configuration,newPHPDBGProxy.getPort());
      }
    } else {
      setEnvironmentVariables(configuration, newPHPDBGProxy.getPort());
      //			env=configuration.getEnvironment();
      process = super.run(configuration, launch);
      debugTarget.setProcess(process);
    }
    launch.addDebugTarget(debugTarget);

    return process;
  }

  /**
   * Open the browser in the UI thread with the current debugger URL
   * 
   * @param configuration
   * @param port 
   */
  protected static void activateDBGSESSIDPreview(final InterpreterRunnerConfiguration configuration, final int port) {
    Display.getDefault().asyncExec(new Runnable() {
       public void run() {
         String fileName = configuration.getFileName();
         JavaProject jproject = configuration.getProject();
         IProject project = jproject.getProject();
         IFile file = project.getFile(fileName);
         BrowserUtil.showPreview(file, true, "?DBGSESSID=1@clienthost:"+port);
       }
    });
 }
  protected void setEnvironmentVariables(InterpreterRunnerConfiguration configuration, int listenPort) {
    String DBGSessID;
    String env[] = new String[18];
    long id = Math.round(Math.random() * 100000);

    DBGSessID = "DBGSESSID=" + id + "@clienthost:" + listenPort;
    configuration.addEnvironmentValue("HTTP_COOKIE", DBGSessID, false);
    /*
     * configuration.addEnvironmentValue("REDIRECT_URL",OSFilePath,true);
     * configuration.addEnvironmentValue("REQUEST_URI",OSFilePath,true);
     * configuration.addEnvironmentValue("PATH_INFO",OSFilePath,true);
     * configuration.addEnvironmentValue("PATH_TRANSLATED",OSFilePath,true);
     * configuration.addEnvironmentValue("SCRIPT_FILENAME",interpreter,true);
     * configuration.addEnvironmentValue("SERVER_PROTOCOL","HTTP / 1.1",true);
     */
    /*
     * env[0]= "HTTP_COOKIE=" + DBGSessID; env[1]= "REDIRECT_QUERY_STRING="; env[2]= "REDIRECT_STATUS=200"; env[3]= "REDIRECT_URL=" +
     * OSFilePath; env[4]= "SERVER_SOFTWARE=DBG / 2.1"; env[5]= "SERVER_NAME=localhost"; env[6]= "SERVER_ADDR=127.0.0.1"; env[7]=
     * "SERVER_PORT=80"; env[8]= "REMOTE_ADDR=127.0.0.1"; env[9]= "SCRIPT_FILENAME=" + interpreter; env[10]= "GATEWAY_INTERFACE=CGI /
     * 1.1"; env[11]= "SERVER_PROTOCOL=HTTP / 1.1"; env[12]= "REQUEST_METHOD=GET"; env[13]= "QUERY_STRING=test=1"; env[14]=
     * "REQUEST_URI=" + OSFilePath; env[15]= "PATH_INFO=" + OSFilePath; env[16]= "PATH_TRANSLATED=" + OSFilePath; env[17]=
     * "SystemRoot=" + Environment.getenv("SystemRoot");
     */
    //	return env;
  }

  protected String getDebugCommandLineArgument() {
    return "";
  }

  protected String renderLoadPath(InterpreterRunnerConfiguration configuration) {
    StringBuffer loadPath = new StringBuffer();

    JavaProject project = configuration.getProject();
    addToLoadPath(loadPath, project.getProject());

    Iterator referencedProjects = project.getReferencedProjects().iterator();
    while (referencedProjects.hasNext())
      addToLoadPath(loadPath, (IProject) referencedProjects.next());

    return loadPath.toString();
  }
}