package com.simon.springbootshirodemo.controller;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * @author Simon
 */
@Controller
public class HellloController {

    @RequestMapping({"/", "/index"})
    public String toIndex(Model model) {
        model.addAttribute("msg", "Hello Shiro!");
        return "index";
    }

    @RequestMapping("/user/add")
    public String add() {
        return "/user/add";
    }

    @RequestMapping("/user/update")
    public String update() {
        return "/user/update";
    }

    @RequestMapping("/toLogin")
    public String toLogin() {
        return "login";
    }

    @RequestMapping("/login")
    public String login(String username, String password, Model model) {
        Subject subject = SecurityUtils.getSubject();
        UsernamePasswordToken token = new UsernamePasswordToken(username, password);
        try {
            subject.login(token);
            return "index";
        } catch (UnknownAccountException e) {
            model.addAttribute("msg", "用户名不存在！");
            return "login";
        } catch (IncorrectCredentialsException e) {
            model.addAttribute("msg", "密码错误！");
            return "login";
        }
    }

    @RequestMapping("/noauth")
    @ResponseBody
    public String unauthorized() {
        return "未授权无法访问此页面";
    }

    @RequestMapping("/logout")
    public String logout() {
        Subject subject = SecurityUtils.getSubject();
        System.out.println(subject.getSession().getAttribute("loginUser"));
        subject.logout();
        System.out.println(subject.getSession().getAttribute("loginUser"));
        System.out.println("执行了退出");
        return "login";
    }
}