package filtri;

import java.io.IOException;
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 bean.Contatto;
import service.ContattoService;

/**
 * Servlet Filter implementation class FiltroContatto
 */
@WebFilter("/home-contatto.jsp")
public class FiltroContatto implements Filter {

    /**
     * Default constructor. 
     */
    public FiltroContatto() {
        // 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 {
		HttpServletRequest req = (HttpServletRequest)request;
		HttpServletResponse res = (HttpServletResponse)response;
		
		String tel = req.getParameter("id");
		System.out.println("tel");
		
		if(tel != null) {
			Long telefono = Long.parseLong(tel);
			System.out.println(telefono);
			
			Contatto c = ContattoService.cercaPerNumero(telefono);
			
			System.out.println("Filtro");
			
			if(c != null) {
				req.setAttribute("contatto", c);
				System.out.println("Filtro ::" + c);
				chain.doFilter(req, res);
			}else {
				res.sendRedirect("error.jsp");
			}
			
			
		}

		// pass the request along the filter chain
		
	}

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

}