package org.pentaho.pac.server;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.mortbay.jetty.Connector;
import org.mortbay.jetty.Handler;
import org.mortbay.jetty.HttpConnection;
import org.mortbay.jetty.Request;
import org.mortbay.jetty.Server;
import org.mortbay.jetty.bio.SocketConnector;
import org.mortbay.jetty.handler.AbstractHandler;
import org.mortbay.jetty.handler.ContextHandlerCollection;
import org.mortbay.jetty.handler.ResourceHandler;
import org.mortbay.jetty.servlet.Context;
import org.mortbay.jetty.servlet.ServletHolder;

public class JettyServer {
  protected Server server;
  private int portNumber = 8099;
  private String hostname = "localhost"; //$NON-NLS-1$
  
  private static final Log logger = LogFactory.getLog(JettyServer.class);
  
  public JettyServer(){
    server = new Server();
    setupServer();
    startServer();
  }
  
  private void startServer(){
    SocketConnector connector = new SocketConnector();
    connector.setPort(portNumber);
    connector.setHost(hostname);
    connector.setName("Pentaho Console HTTP listener for ["+hostname+":" + portNumber + "]");  //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    logger.info("starting " + connector.getName()); //$NON-NLS-1$
    server.setConnectors( new Connector[] { connector });
    
    logger.info( "Console Starting" );  //$NON-NLS-1$
    
    try {
      server.start();
    } catch (RuntimeException e) {
      // let runtime exceptions leak, developer should handle them before release.
      logger.error("Error starting server", e); //$NON-NLS-1$
      throw e;
    } catch (Exception e) {
      logger.error("Error starting server", e); //$NON-NLS-1$
    }
  }
  
  protected void setupServer(){
    server = new Server();

    ContextHandlerCollection contexts = new ContextHandlerCollection();
 
    // Start execution
    Context startExecution = new Context(contexts, "/", Context.SESSIONS);  //$NON-NLS-1$
    startExecution.setResourceBase("www/org.pentaho.pac.PentahoAdminConsole"); //$NON-NLS-1$
    startExecution.setWelcomeFiles(new String[]{"PentahoAdminConsole.html"}); //$NON-NLS-1$
    
    ServletHolder pacsvc = new ServletHolder(new org.pentaho.pac.server.PacServiceImpl() );
    startExecution.addServlet(pacsvc, "/pacsvc"); //$NON-NLS-1$
    
    ServletHolder schedulersvc = new ServletHolder(new org.pentaho.pac.server.SchedulerServiceImpl() );
    startExecution.addServlet(schedulersvc, "/schedulersvc"); //$NON-NLS-1$
    
    //sample
    Handler hello = new HomeHandler();
    
    //resource handler
    ResourceHandler resources = new ResourceHandler();
    resources.setResourceBase("www/org.pentaho.pac.PentahoAdminConsole"); //$NON-NLS-1$
    resources.setWelcomeFiles(new String[]{"PentahoAdminConsole.html"}); //$NON-NLS-1$
    
    server.setHandlers(new Handler[] { resources, startExecution }); //, contexts });
    
  }


  public int getPortNumber() {
  
    return portNumber;
  }


  public void setPortNumber(int portNumber) {
  
    this.portNumber = portNumber;
  }


  public String getHostname() {
  
    return hostname;
  }


  public void setHostname(String hostname) {
  
    this.hostname = hostname;
  }
  
  public static void main(String[] args){
    JettyServer server = new JettyServer();
  }
  
  
  public static class HomeHandler extends AbstractHandler
  {
      public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException
      {
          Request base_request = (request instanceof Request) ? (Request)request:HttpConnection.getCurrentConnection().getRequest();
          base_request.setHandled(true);
          
          response.setStatus(HttpServletResponse.SC_OK);
          response.setContentType("text/html"); //$NON-NLS-1$
          response.getWriter().println("<h1>Hello OneContext</h1>");  //$NON-NLS-1$
          
      }
  }
}