package com.example.erp.service.userInfo;

import cn.dev33.satoken.stp.StpUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.dynamic.datasource.annotation.DS;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.example.erp.controller.dto.UserDTO;
import com.example.erp.entity.userInfo.User;
import com.example.erp.mapper.userInfo.UserMapper;
import com.example.erp.tools.TokenTools;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

@Service
@DS("user_info")
public class UserService {

    private final UserMapper userMapper;

    public UserService(UserMapper userMapper) {
        this.userMapper = userMapper;
    }


    @Cacheable(value="users", key="#userDTO.getUserId()")
    public UserDTO login(UserDTO userDTO) {

        if(StrUtil.isBlank(userDTO.getUserId()) ||StrUtil.isBlank(userDTO.getPass())){
            return null;
        }else{
            int getUserCount=userMapper.checkUser(userDTO.getUserId(),userDTO.getPass());
            if(getUserCount==1){
                String token = TokenTools.getToken(userDTO.getUserId(),userDTO.getPass());
                userDTO.setToken(token);
                User user = userMapper.findOneLoginName(userDTO.getUserId());
                userDTO.setUserName(user.getUserName());
                return userDTO;
            }
        return null;

        }
    }

    @CacheEvict(value="users",key="#id",beforeInvocation=true)
    public String deleteCache(String id ) {
        //System.out.println("delete user by id: " + id);
        return null;

    }

    public String getUserByID(String userId){
        return userMapper.getUserByID(userId);
    }

    @Transactional
    public User register(User user) {
        User returnUser = new User();
        if(userMapper.register(user)){
            User getUser = userMapper.findOne(user.getId());
            returnUser.setUserName(getUser.getUserName());
            returnUser.setLoginName(getUser.getLoginName());
        }
        return returnUser;
    }

    /*----------------新版本登陆*/
    public UserDTO doLogin(UserDTO userDTO) {
        User user = userMapper.selectOne(new QueryWrapper<User>().
                eq("login_name", userDTO.getUserId()).eq("password", userDTO.getPass()));
        if(user!=null){
            StpUtil.login(userDTO.getUserId());
            userDTO.setPass(null);
            userDTO.setToken(StpUtil.getTokenValue());
            return userDTO;
        }else{
            return null;
        }
    }

    public Boolean isLogin() {
        // 返回当前用户是否登录
        return StpUtil.isLogin();
    }

    public Boolean logout() {
        StpUtil.logout();
        return true;
    }
}