package com.yunan.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.yunan.dto.RegisterDTO;
import com.yunan.dto.Users;
import com.yunan.mapper.AuthMapper;
import com.yunan.response.ErrorResponse;
import com.yunan.service.AuthService;
import com.yunan.util.RedisUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;


import javax.annotation.Resource;


@Service
public class AuthServiceImpl implements AuthService {
    @Resource
    private AuthMapper authMapper;
    @Autowired
    RedisUtils redisUtils;


    @Override
    public ResponseEntity<Object> register(RegisterDTO registerDTO) {
        //获取正确的验证码
        Object rightCode = redisUtils.hGet("rightCode", registerDTO.getEmail());
        //处理registerDTO对数据为空的逻辑
        // 验证验证码的正确性
        if(registerDTO.getCode().equals(rightCode)){
            LambdaQueryWrapper<Users> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(Users::getEmail, registerDTO.getEmail());
            if(authMapper.selectOne(queryWrapper) != null) {
                return ResponseEntity
                        .status(HttpStatus.CONFLICT)
                        .body(new ErrorResponse("用户名已存在！！！"));
            }
            Users user = new Users();
            user.setUsername(registerDTO.getUsername());
            user.setPassword(registerDTO.getPassword());
            user.setEmail(registerDTO.getEmail());
//            boolean isSaved = authMapper.insert(user) > 0;
            boolean isSaved = true;
            if (isSaved) {
                return ResponseEntity
                        .status(HttpStatus.OK)
                        .body("注册成功！");
            } else {
                return ResponseEntity
                        .status(HttpStatus.INTERNAL_SERVER_ERROR)
                        .body("数据库存储失败，请稍后重试");
            }
        } else{
            // 如果验证码为空或者与正确的验证码不匹配，返回错误信息
            return ResponseEntity
                    .status(HttpStatus.BAD_REQUEST)  // 设置 HTTP 状态码为 400
                    .body(new ErrorResponse("验证码不正确或已过期"));  // 返回自定义的错误消息
        }

    }

}