package com.test.filter;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

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.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.test.service.UserService;
import com.test.service.impl.UserServiceImpl;

public class LoginFilter implements Filter {

	public void destroy() {
		// TODO Auto-generated method stub

	}

	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		// TODO Auto-generated method stub
		System.out.println("1");

		HttpServletRequest rq = (HttpServletRequest) arg0;
		HttpServletResponse rp = (HttpServletResponse) arg1;
		HttpSession session = rq.getSession();

		System.out.println("2");

		UserService userService = new UserServiceImpl();

		Map<String, String> cookieMap = new HashMap<String, String>();

		Cookie[] cookies = rq.getCookies();

		if (session == null) {
			rp.sendRedirect(rq.getContextPath() + "/saveUser.jsp");
		} else {
			if (session.getAttribute("userBean") != null) {
				arg2.doFilter(rq, rp);
			} else {

				for (Cookie cookie : cookies) {

					cookieMap.put(cookie.getName(), cookie.getValue());
				}

				String userName = cookieMap.get("username");
				String password = cookieMap.get("password");

				if (userService.loginJugeMent(userName, password)) {
					arg2.doFilter(rq, rp);
				} else {
					rp.sendRedirect(rq.getContextPath() + "/saveUser.jsp");
				}

				rp.sendRedirect(rq.getContextPath() + "/saveUser.jsp");
			}
		}

	}

	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

}