package com.mes.service.userInfo;

import cn.hutool.core.util.StrUtil;
import com.baomidou.dynamic.datasource.annotation.DS;
import com.mes.common.CacheUtil;
import com.mes.common.Result;
import com.mes.entity.userInfo.User;
import com.mes.mapper.userInfo.UserMapper;
import com.mes.controller.dto.UserDTO;
import com.mes.tools.TokenTools;
import org.apache.ibatis.jdbc.Null;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

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

    @Autowired
    private  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;
    }
}