/**
 * Copyright (c) 2018 人人开源 All rights reserved.
 *
 * https://www.renren.io
 *
 * 版权所有，侵权必究！
 */

package com.epmet.service.impl;

import com.epmet.StringRandomUtils;
import com.epmet.commons.tools.constant.NumConstant;
import com.epmet.redis.CaptchaRedis;
import com.epmet.service.CaptchaService;
import com.google.code.kaptcha.Producer;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.awt.image.BufferedImage;

/**
 * 验证码
 *
 * @author Mark sunlightcs@gmail.com
 * @since 1.0.0
 */
@Service
public class CaptchaServiceImpl implements CaptchaService {
    private Logger logger = LogManager.getLogger(CaptchaServiceImpl.class);
    @Autowired
    private Producer producer;
    @Autowired
    private CaptchaRedis captchaRedis;

    @Override
    public BufferedImage create(String uuid) {
        //生成验证码 //producer.createText();
        String captcha = StringRandomUtils.getRandomStr(NumConstant.FIVE);
        //logger.info("uuid:"+uuid+",生成的验证码:"+captcha);
        //保存验证码
        captchaRedis.set(uuid, captcha);

        return producer.createImage(captcha);
    }

    @Override
    public boolean validate(String uuid, String code) {
        String captcha = captchaRedis.get(uuid);

        //验证码是否正确
        return code.equalsIgnoreCase(captcha);
    }

    /**
     * 返回文字版的验证码
     * 磐石大屏3.10号提出的需求
     *
     * @param uuid
     * @return
     */
    @Override
    public String getTextCaptcha(String uuid) {
        // 生成验证码 //producer.createText();
        String captcha = StringRandomUtils.getRandomStr(NumConstant.FIVE);
        // logger.info("uuid:"+uuid+",生成的验证码:"+captcha);
        // 保存验证码
        captchaRedis.set(uuid, captcha);
        return captcha;
    }
}