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package cl.puc.ing.kegan.grupo9.controller;

import java.io.*;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.*;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
/**
 *
 * @author fegil
 */
public class Inicializacion implements ServletContextListener, HttpSessionListener {

     // implementar el método context init requerido
 public   void contextInitialized(ServletContextEvent sce)
    {
     
       
    }

     // implementar el método context destroy requerido
  public  void contextDestroyed(ServletContextEvent sce)
    {
    }

    public void sessionCreated(HttpSessionEvent arg0) {
        try {
            TagDataAccessObject tdao = new TagDataAccessObject();
            ArrayList tagsPadre = new ArrayList();
            tagsPadre.addAll(tdao.getLevelTags(3));
            tagsPadre.add(0, "Todos");
            arg0.getSession().setAttribute("t_padres", tagsPadre);

            for (int i = 1; i < tagsPadre.size(); i++) {
                ArrayList tagsHijos = new ArrayList();
                String name = (String) tagsPadre.get(i);
                tagsHijos.addAll(tdao.getSonTags(name));
                arg0.getSession().setAttribute(name, tagsHijos);
                

            }
        } catch (SQLException ex) {
            Logger.getLogger(Inicializacion.class.getName()).log(Level.SEVERE, null, ex);
        }
 }

    public void sessionDestroyed(HttpSessionEvent arg0) {
        
         throw new UnsupportedOperationException("Not supported yet.");
    }
}