package com.xcong.excoin.common;

import com.xcong.excoin.common.exception.GlobalException;
import com.xcong.excoin.modules.member.entity.MemberEntity;
import lombok.extern.slf4j.Slf4j;
import org.springframework.security.core.context.SecurityContextHolder;

/**
 * 登陆用户工具类
 *
 * @author wzy
 * @date 2020-05-14
 **/
@Slf4j
public class LoginUserUtils {

    private static final String ANON = "anonymousUser";

    public static MemberEntity getAppLoginUser() {
        if (SecurityContextHolder.getContext().getAuthentication().getPrincipal().equals(ANON)) {
            throw new GlobalException("无法获取登陆信息");
        } else {
            return (MemberEntity) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
        }
    }

    public static String getAppLoginUserToken() {
        return (String) SecurityContextHolder.getContext().getAuthentication().getCredentials();
    }

    /**
     * mybatis 拦截器专用
     *
     * @return MemberEntity
     */
    public static MemberEntity getUser() {
        if (SecurityContextHolder.getContext().getAuthentication() == null) {
            return null;
        }

        if (SecurityContextHolder.getContext().getAuthentication().getPrincipal().equals(ANON)) {
            return null;
        } else {
            return (MemberEntity) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
        }
    }
}