/*

  *   SONEWS News Server

  *   see AUTHORS for the list of contributors

  *

  *   This program is free software: you can redistribute it and/or modify

  *   it under the terms of the GNU General Public License as published by

  *   the Free Software Foundation, either version 3 of the License, or

  *   (at your option) any later version.

  *

  *   This program is distributed in the hope that it will be useful,

  *   but WITHOUT ANY WARRANTY; without even the implied warranty of

  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  *   GNU General Public License for more details.

  *

  *   You should have received a copy of the GNU General Public License

  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.

  */

 package org.sonews.web;

 import java.io.IOException;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import org.sonews.daemon.Main;

 import org.sonews.util.StringTemplate;

 /**

  * Main sonews webpage servlet.

  * @author Christian Lins

  * @since sonews/0.5.0

  */

 public class SonewsServlet extends AbstractSonewsServlet

 {

   private static final long serialVersionUID = 2392837459834L;

   @Override

   public void doGet(HttpServletRequest res, HttpServletResponse resp)

     throws IOException

   {

     synchronized(this)

     {

       connectToNewsserver();

       String line;

       int    connectedClients = 0;

       int    hostedGroups     = 0;

       int    hostedNews       = 0;

       printlnToNewsserver("XDAEMON LOG CONNECTED_CLIENTS");

       line = readlnFromNewsserver();

       if(!line.startsWith("200 "))

       {

         throw new IOException("XDAEMON command not allowed by server");

       }

       line = readlnFromNewsserver();

       connectedClients = Integer.parseInt(line);

       line = readlnFromNewsserver(); // Read the "."

       printlnToNewsserver("XDAEMON LOG HOSTED_NEWS");

       line = readlnFromNewsserver();

       if(!line.startsWith("200 "))

       {

         throw new IOException("XDAEMON command not allowed by server");

       }

       line = readlnFromNewsserver();

       hostedNews = Integer.parseInt(line);

       line = readlnFromNewsserver(); // read the "."

       printlnToNewsserver("XDAEMON LOG HOSTED_GROUPS");

       line = readlnFromNewsserver();

       if(!line.startsWith("200 "))

       {

         throw new IOException("XDAEMON command not allowed by server");

       }

       line = readlnFromNewsserver();

       hostedGroups = Integer.parseInt(line);

       line = readlnFromNewsserver(); // read the "."

       printlnToNewsserver("XDAEMON LOG POSTED_NEWS_PER_HOUR");

       line = readlnFromNewsserver();

       if(!line.startsWith("200 "))

       {

         throw new IOException("XDAEMON command not allowed by server");

       }

       String postedNewsPerHour = readlnFromNewsserver();

       readlnFromNewsserver();

       printlnToNewsserver("XDAEMON LOG GATEWAYED_NEWS_PER_HOUR");

       line = readlnFromNewsserver();

       if(!line.startsWith("200 "))

       {

         throw new IOException("XDAEMON command not allowed by server");

       }

       String gatewayedNewsPerHour = readlnFromNewsserver();

       line = readlnFromNewsserver();

       printlnToNewsserver("XDAEMON LOG FEEDED_NEWS_PER_HOUR");

       line = readlnFromNewsserver();

       if(!line.startsWith("200 "))

       {

         throw new IOException("XDAEMON command not allowed by server");

       }

       String feededNewsPerHour = readlnFromNewsserver();

       line = readlnFromNewsserver();

       StringTemplate tmpl = getTemplate("SonewsServlet.tmpl");

       tmpl.set("SERVERNAME", hello.split(" ")[2]);

       tmpl.set("STARTDATE", Main.STARTDATE);

       tmpl.set("ACTIVE_CONNECTIONS", connectedClients);

       tmpl.set("STORED_NEWS", hostedNews);

       tmpl.set("SERVED_NEWSGROUPS", hostedGroups);

       tmpl.set("POSTED_NEWS", postedNewsPerHour);

       tmpl.set("GATEWAYED_NEWS", gatewayedNewsPerHour);

       tmpl.set("FEEDED_NEWS", feededNewsPerHour);

       tmpl.set("TITLE", "Overview");

       resp.getWriter().println(tmpl.toString());

       resp.getWriter().flush();

       resp.setStatus(HttpServletResponse.SC_OK);

       disconnectFromNewsserver();

     }

   }

 }