package com.fp.frontend.filter;

import java.io.IOException;

import javax.faces.context.FacesContext;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.fp.persistence.pgeneral.safe.TsafeUserDetail;

/**
 * Servlet Filter implementation class ControlAcceso
 */
@WebFilter(filterName="ControlAcceso",urlPatterns = {"/pages/*"} )
public class ControlAcceso implements Filter {

    /**
     * Default constructor. 
     */
    public ControlAcceso() {
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		// TODO Auto-generated method stub
		// place your code here
				FacesContext facesContext = FacesContext.getCurrentInstance();
		HttpSession session = (HttpSession) facesContext.getExternalContext().getSession(false);
		  TsafeUserDetail currentUser = session!=null ? (TsafeUserDetail) session.getAttribute("TSAFEUSERDETAIL"):null;
		// pass the request along the filter chain
		  if (currentUser!=null && currentUser.getChangepassword().equalsIgnoreCase("N")) {
				System.out.println("Control Acceso permitido : ");
				//facesContext.getExternalContext().dispatch("/pages/workspace.xhtml");
              chain.doFilter(request, response);
              
          } else {
              System.out.println(" Acceso no autorizado ");
              facesContext.getExternalContext().dispatch("/login.xhtml");
          }
		  
		
		
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}

}