<?php

namespace crmeb\services;

use Fastknife\Domain\Vo\PointVo;
use Fastknife\Exception\ParamException;
use Fastknife\Service\BlockPuzzleCaptchaService as baseBlockPuzzleCaptchaService;

class BlockPuzzleCaptchaService extends  baseBlockPuzzleCaptchaService
{
    /**
     * 验证
     * @param string $token
     * @param string $pointJson
     * @param null $callback
     */
    public function validate($token,  $pointJson, $callback = null)
    {
        //获取并设置 $this->originData
        $this->setOriginData($token);
        //数据处理类
        $blockData = $this->factory->makeBlockData();
        // 数据处理  解密处理
        $pattern = '/^[a-zA-Z0-9\/\r\n+]*={0,2}$/'; // Base64编码规则正则表达式
        $isBase64 = preg_match($pattern, $pointJson);
        if($isBase64){
            // 如果是base64   则是加密数据，需要解密
            $decoded = base64_decode($pointJson);
            $pointJson = openssl_decrypt($decoded, 'AES-128-ECB', $this->originData['secretKey'],OPENSSL_RAW_DATA,NULL);
        }
        $pointJson = json_decode($pointJson);
        //解码出来的前端坐标
        $targetPoint = new PointVo($pointJson->x, $pointJson->y);
        //检查
        $blockData->check($this->originData['point'], $targetPoint);
        if (
            abs($pointJson->x - $targetPoint->x) <= $blockData->getFaultOffset() && $pointJson->y == $targetPoint->y
        ) {
            return;
        }
        if($callback instanceof \Closure){
            $callback();
        }
    }

    public function verificationByEncryptCode(string $encryptCode){
        $result = explode('---',$encryptCode);
        if(empty($result)) throw new ParamException('参数错误！');
        $this->validate($result[0], $result[1], function () use ($result,$encryptCode) {
            $cacheEntity = $this->factory->getCacheInstance();
            $cacheEntity->delete($result['token']);
            $cacheEntity->delete($encryptCode);
        });

    }


    public function verificationByEncryptCodeV2(string $encryptCode,string $token){
        $decoded = base64_decode($encryptCode);
        if($decoded !== false && json_last_error() === JSON_ERROR_NONE){
            //获取并设置 $this->originData
            $this->setOriginData($token);
            // 如果是base64   则是加密数据，需要解密
            $encryptCode = openssl_decrypt($decoded, 'AES-128-ECB', $this->originData['secretKey'],OPENSSL_RAW_DATA,NULL);
        }
        $result = explode('---',$encryptCode);
        if(empty($result)) throw new ParamException('参数错误！');

        $this->validate($result[0], $result[1], function () use ($result,$encryptCode) {
            $cacheEntity = $this->factory->getCacheInstance();
            $cacheEntity->delete($result['token']);
            $cacheEntity->delete($encryptCode);
        });
    }


}