package com.nanometer.smartlab.controller;

import com.nanometer.smartlab.entity.SysUser;
import com.nanometer.smartlab.service.SysUserService;
import com.nanometer.smartlab.util.Constants;
import com.nanometer.smartlab.util.FacesUtils;
import org.apache.log4j.Logger;
import org.apache.shiro.authc.DisabledAccountException;
import org.apache.shiro.authc.ExcessiveAttemptsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import javax.annotation.Resource;

/**
 * Created by johnny on 15/12/24.
 */
@Controller
@Scope("request")
public class LoginController extends BaseController {

    private static Logger logger = Logger.getLogger(LoginController.class);

    @Resource
    private MenuController menuController;
    @Resource
    private SysUserService sysUserService;

    private String loginAcct;
    private String loginPwd;
    private static Byte ischange = 0;

    public String login() {
        UsernamePasswordToken token = new UsernamePasswordToken(loginAcct, loginPwd);
        token.setRememberMe(true);

        Subject currentUser = this.getSubject();
        try {
            currentUser.login(token);
        } catch (UnknownAccountException e) {
            FacesUtils.warn("用户名不存在");
            return null;
        }  catch (ExcessiveAttemptsException e) {
            FacesUtils.warn("登陆失败,密码连续输入错误超过8次,锁定1分钟！");
            return null;
        } catch (Exception e) {
            logger.error("登陆失败", e);
        }

        if (currentUser.isAuthenticated()) {//登录成功进入主页
            SysUser user = this.sysUserService.getSysUserByAccount(loginAcct);
            currentUser.getSession(true).setAttribute(Constants.SESSION_USER, user);

            String PW_PATTERN = "(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[~!@#$%^&*_.]).{8,}";
            if (!loginPwd.matches(PW_PATTERN)) {
                ischange = 1;
            }else {
                ischange = 0;
            }

            this.menuController.initPage();
            return Constants.PAGE_INDEX + Constants.REDIRECT;
        } else {
            FacesUtils.warn("用户名与密码不匹配");
        }
        return null;
    }

    public String logout() {
        this.getSubject().logout();
        return Constants.PAGE_LOGIN + Constants.REDIRECT;
    }

    public String getLoginAcct() {
        return loginAcct;
    }

    public void setLoginAcct(String loginAcct) {
        this.loginAcct = loginAcct;
    }

    public String getLoginPwd() {
        return loginPwd;
    }

    public void setLoginPwd(String loginPwd) {
        this.loginPwd = loginPwd;
    }


    public Byte getIschange() {
        return ischange;
    }

    public void setIschange(Byte ischange) {
        this.ischange = ischange;
    }
}