package com.supServer.project.common;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import javax.annotation.Resource;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletResponse;

import com.supServer.common.constant.Constants;
import com.supServer.common.utils.sign.Base64;
import com.supServer.common.utils.uuid.IdUtils;
import com.supServer.framework.redis.RedisCache;
import com.supServer.framework.security.service.UserRegisterService;
import com.supServer.framework.web.domain.AjaxResult;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.FastByteArrayOutputStream;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import com.google.code.kaptcha.Producer;

/**
 * 验证码操作处理
 *
 * @author zx
 */
@RestController
public class CaptchaController
{
    @Resource(name = "captchaProducer")
    private Producer captchaProducer;

    @Resource(name = "captchaProducerMath")
    private Producer captchaProducerMath;

    @Autowired
    private RedisCache redisCache;

    @Autowired
    private UserRegisterService registerService;


    /**
     * 生成验证码
     */
    @GetMapping("/captchaImage")
    public AjaxResult getCode(HttpServletResponse response) throws IOException
    {
        AjaxResult ajax = AjaxResult.success();
//        boolean captchaOnOff = configService.selectCaptchaOnOff();
//        ajax.put("captchaOnOff", captchaOnOff);
//        if (!captchaOnOff)
//        {
//            return ajax;
//        }

        // 保存验证码信息
        String uuid = IdUtils.simpleUUID();
        String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;

        String capStr = null, code = null;
        BufferedImage image = null;

        // 生成验证码
        capStr = code = captchaProducer.createText();
        image = captchaProducer.createImage(capStr);

        redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
        // 转换流信息写出
        FastByteArrayOutputStream os = new FastByteArrayOutputStream();
        try
        {
            ImageIO.write(image, "jpg", os);
        }
        catch (IOException e)
        {
            return AjaxResult.error(e.getMessage());
        }

        ajax.put("uuid", uuid);
        ajax.put("img", Base64.encode(os.toByteArray()));
        return ajax;
    }


    @GetMapping("/validateCaptcha")
    public void validateCaptcha(String code, String uuid){
        registerService.validateCaptcha(code,uuid);
    }

}
