package com.ycl.jxkg.config.spring.security;

import com.ycl.jxkg.base.SystemCode;
import com.ycl.jxkg.constants.CaffeineConstant;
import com.ycl.jxkg.domain.entity.User;
import com.ycl.jxkg.domain.entity.UserEventLog;
import com.ycl.jxkg.event.UserEvent;
import com.ycl.jxkg.service.UserService;
import com.ycl.jxkg.utils.CaffeineUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.logout.SimpleUrlLogoutSuccessHandler;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Date;


/**
 * @version 3.5.0
 * @description: 用户登出
 * Copyright (C), 2020-2024, 武汉思维跳跃科技有限公司
 * @date 2021/12/25 9:45
 */
@Component
public class RestLogoutSuccessHandler extends SimpleUrlLogoutSuccessHandler {

    private final ApplicationEventPublisher eventPublisher;
    private final UserService userService;
    private final CaffeineUtil caffeineUtil;

    /**
     * Instantiates a new Rest logout success handler.
     *
     * @param eventPublisher the event publisher
     * @param userService    the user service
     */
    @Autowired
    public RestLogoutSuccessHandler(ApplicationEventPublisher eventPublisher, UserService userService, CaffeineUtil caffeineUtil) {
        this.eventPublisher = eventPublisher;
        this.userService = userService;
        this.caffeineUtil = caffeineUtil;
    }

    @Override
    public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) {
        org.springframework.security.core.userdetails.User springUser = (org.springframework.security.core.userdetails.User) authentication.getPrincipal();
        if (null != springUser) {
            // 清除用户名和sessionId之间的绑定
            caffeineUtil.remove(CaffeineConstant.AUTH, springUser.getUsername());
            SecurityContextHolder.clearContext();
            User user = userService.getUserByUserName(springUser.getUsername());
            UserEventLog userEventLog = new UserEventLog(user.getId(), user.getUserName(), user.getRealName(), new Date());
            userEventLog.setContent(user.getUserName() + " 登出了学之思开源考试系统");
            eventPublisher.publishEvent(new UserEvent(userEventLog));
        }
        RestUtil.response(response, SystemCode.OK);
    }
}