package com.javaniu.controller;

import java.io.IOException;

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

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

import com.javaniu.dao.UserDao;
import com.javaniu.module.User;

@Controller
@RequestMapping({ "/user" })
public class UserController {

	Logger logger = Logger.getLogger(UserController.class);

	@Autowired
	public HttpSession session;
	@Autowired
	public UserDao userDao;

	@RequestMapping(value = { "" }, method = { RequestMethod.GET })
	public ModelAndView index() {
		ModelAndView modelAndView = new ModelAndView("user/index");
		User user = new User();
		modelAndView.addObject("user", user);
		return modelAndView;
	}

	@RequestMapping(value = { "create" }, method = { RequestMethod.GET })
	public ModelAndView create() {
		ModelAndView modelAndView = new ModelAndView("user/create");
		User user = new User();
		modelAndView.addObject("user", user);
		return modelAndView;
	}

	@RequestMapping(value = { "create" }, method = { RequestMethod.POST })
	public ModelAndView create(@ModelAttribute("user") User user) {
		ModelAndView modelAndView = new ModelAndView("user/create");
		modelAndView = new ModelAndView("user/create_success");
		userDao.save(user);
		return modelAndView;
	}

	@RequestMapping(value = { "login" }, method = { RequestMethod.GET })
	public ModelAndView login() {
		ModelAndView modelAndView = new ModelAndView("user/login");
		User user = new User();
		modelAndView.addObject("user", user);
		return modelAndView;
	}

	@RequestMapping(value = { "login" }, method = { RequestMethod.POST })
	public void login(@ModelAttribute("user") User _user,
			HttpServletResponse response) throws IOException {
		User user = userDao.findByEmailAndPassword(_user.getEmail(),
				_user.getPassword());
		if (user == null) {
			response.sendRedirect("/user/login.action");
			session.setAttribute("login_error", "邮箱或密码错误");
			return;
		}
		session.setAttribute("sessionUser", user);
		response.sendRedirect("/user.action");
	}

	@RequestMapping(value = { "logout" }, method = { RequestMethod.GET })
	public void logout(HttpServletResponse response) throws IOException {
		session.removeAttribute("sessionUser");
		response.sendRedirect("/user.action");
	}

}