package cn.bunny.service.impl;

import cn.bunny.service.ValidateCodeService;
import cn.bunny.spzx.model.vo.system.ValidateCodeVo;
import cn.hutool.captcha.CaptchaUtil;
import cn.hutool.captcha.CircleCaptcha;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.UUID;
import java.util.concurrent.TimeUnit;

@Service
public class ValidateCodeServiceIImpl implements ValidateCodeService {
    @Autowired
    private RedisTemplate<String, String> redisTemplate;

    // 生成验证码
    @Override
    public ValidateCodeVo generateValidateCode() {
        // 使用hutool生成验证码
        CircleCaptcha circleCaptcha = CaptchaUtil.createCircleCaptcha(150, 40, 4, 20);
        String code = circleCaptcha.getCode();
        String imageBase64 = circleCaptcha.getImageBase64();

        // 放到Redis
        String uuid = UUID.randomUUID().toString().replaceAll("-", "");
        redisTemplate.opsForValue().set("user:validate" + uuid, code, 5, TimeUnit.MINUTES);

        // 返回 validateCodeVo
        ValidateCodeVo validateCodeVo = new ValidateCodeVo();
        validateCodeVo.setCodeKey(uuid);
        validateCodeVo.setCodeValue("data:image/png;base64," + imageBase64);
        return validateCodeVo;
    }
}