package com.example.jz.auth;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.example.jz.dao.UserDao;
import com.example.jz.modle.entity.SecurityUser;
import com.example.jz.modle.entity.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

import java.util.Arrays;
import java.util.List;

/**
 * @author 安瑾然
 * @data 2022/7/18 - 10:34 AM
 * @description 用户详情服务
 */
@Service("userDetailsService")
public class UserDetailService implements UserDetailsService {
    // 注入Usermapper
    @Autowired
    private UserDao userDao;


    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        // 通过username查询数据库获取用户信息
        User user = userDao.selectOne(new LambdaQueryWrapper<>(User.class).eq(User::getLoginUsername, username));
        if(user.getStatus()==0){
            throw new UsernameNotFoundException("当前账户被禁用,请联系管理员!");
        }
        // 判断用户是否存在
        if (user == null) {
            throw new UsernameNotFoundException("账户信息不存在！");
        }
        // 存在对应的用户信息，则将其封装，丢给security自己去解析

        // 登录时，会走这个接口
        // 权限暂时不查数据库
        List<String> roles = Arrays.asList("ROLE_admin,admin");

        // 将数据封装给 SecurityUser ，因为 SecurityUser 是 UserDetails 的子类
        SecurityUser securityUser = new SecurityUser();
        securityUser.setPermissionValueList(roles);
        securityUser.setUsername(user.getLoginUsername());
        securityUser.setPassword(user.getLoginPassword());

        return securityUser;
    }
}