package com.dota.nexus.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.dota.nexus.entity.User;
import com.dota.nexus.mapper.UserMapper;
import com.dota.nexus.service.UserService;
import com.dota.nexus.util.GlobalMap;
import com.dota.nexus.util.PasswordUtil;
import org.springframework.stereotype.Service;

import java.util.UUID;

@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {
    public String login(String username, String password) throws Exception {
        var q = new LambdaQueryWrapper<User>();
        q.eq(User::getName, username);
        var u = this.baseMapper.selectOne(q);
        if (u!=null && PasswordUtil.verify(password, u.getPassword())) {
            var uuid = UUID.randomUUID().toString();
            GlobalMap.put(uuid, u.getId());
            return uuid;
        }
        return null;
    }
}