package mvc.sh.controller;

import java.util.List;

import javax.annotation.Resource;

import mvc.sh.entity.Users;
import mvc.sh.service.UsersService;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

@Controller
@RequestMapping("/users")
public class UsersController {

	@Resource(name = "usersService")
	private UsersService usersService;

	@RequestMapping(value = "/manage", method = RequestMethod.GET)
	public ModelAndView sayHi() {
		ModelAndView mv = new ModelAndView();
		mv.addObject("message",
				"Hello World!<br>Spring 4 MVC + Hibernate 4 + Maven");
		mv.setViewName("/users/users");
		return mv;
	}

	@RequestMapping(value = "/count", method = RequestMethod.POST)
	public ModelAndView countUser() {
		int count = usersService.usersCount();
		ModelAndView mv = new ModelAndView();
		mv.addObject("message", count);
		mv.setViewName("/users/users");
		return mv;
	}

	@RequestMapping(value = "/list", method = RequestMethod.GET)
	public ModelAndView getAllUsers() {
		ModelAndView mv = new ModelAndView();
		List<Users> users = usersService.getUsers();
		mv.addObject("message", "获取所有用户信息");
		mv.addObject("usersList", users);
		mv.setViewName("users/list");
		return mv;
	}

	@RequestMapping(value = "/add", method = RequestMethod.POST)
	public ModelAndView addUser(Users users) {
		ModelAndView mv = new ModelAndView();
		String msg = "";
		try {
			usersService.addUsers(users);
			msg = "addUser success";
		} catch (Exception e) {
			msg = "addUser failed:";
			msg += e.getMessage();
			mv.addObject("message", msg);
			mv.setViewName("users/users");
			e.printStackTrace();
		}
		mv.setViewName("redirect:list");
		return mv;
	}

	@RequestMapping(value = "del/{id}", method = RequestMethod.GET)
	public ModelAndView delUser(@PathVariable Integer id) {
		ModelAndView mv = new ModelAndView();
		String msg = "";
		try {
			usersService.delUsersByid(id);
			msg = "delUser success:" + id;
		} catch (Exception e) {
			msg = "delUser failed:" + id;
			msg += e.getMessage();
			e.printStackTrace();
		}
		mv.addObject("message", msg);
		mv.setViewName("users/users");
		return mv;
	}

	@RequestMapping(value = "/tomod/{id}", method = RequestMethod.GET)
	public ModelAndView toModUser(@PathVariable Integer id) {
		ModelAndView mv = new ModelAndView();
		Users user = usersService.getUserById(id);
		mv.addObject("users", user);
		mv.setViewName("users/edit");
		return mv;
	}

	@RequestMapping(value = "/mod", method = RequestMethod.POST)
	public ModelAndView modUser(Users users) {
		ModelAndView mv = new ModelAndView();
		String msg = "";
		try {
			usersService.modUsers(users);
			msg = "modUser success:" + users.getId();
		} catch (Exception e) {
			msg = "modUser failed:" + users.getId();
			msg += e.getMessage();
			e.printStackTrace();
		}
		mv.addObject("message", msg);
		mv.setViewName("users/users");
		return mv;
	}

	@RequestMapping(value = "/detail/{id}", method = RequestMethod.GET)
	public ModelAndView showUser(@PathVariable Integer id) {
		ModelAndView mv = new ModelAndView();
		Users user = usersService.getUserById(id);
		mv.addObject("message", "查看ID为" + id + "的用户信息");
		mv.addObject("users", user);
		mv.setViewName("users/detail");
		return mv;
	}

}