package com.niuan.erp.common.utils;

import com.niuan.erp.common.base.LoginUser;
import com.niuan.erp.common.exception.BusinessException;
import com.niuan.erp.common.exception.SystemException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;

public class SecurityUtils {

    public static LoginUser getLoginUser() {
        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
        if (authentication == null || !authentication.isAuthenticated()) {
            throw new BusinessException("auth.unLogin");
        }
        Object principal = authentication.getPrincipal();
        System.out.println(principal);
        if (principal instanceof LoginUser user) {
            return user;
        }
        throw new SystemException("auth.userDetailsError");
    }

    public static Long getUserId(){
        return getLoginUser().getUser().getId();
    }

    public static String getUserName(){
        return getLoginUser().getUsername();
    }

}