<?php
defined('BASEPATH') OR exit('No direct script access allowed');

require_once COMMPATH.'third_party/Qiniu/autoload.php';
class Qiniuorc{
    private $token = '';
    private $log_file = 'qiniu_orc.log';
    const CAR_URL = 'http://ocr-car-bd.qiniuapi.com/ocr/car_bd';
    public function __construct($config = []){
        $CI = & get_instance();
        if(!$config){
            $CI->config->load('qiniu', true, true);
            $qiniu_config = $CI->config->item('qiniu');
            $this->config = $qiniu_config['img'];
        }
    }

    /**
     * 保险单识别
     * @param $img_url  图片url地址
     * @return array
     */
    public function car_insure($img_url){
//        $img_url = "https://img.liche.cn/liche/liche/202204/p_c7ea3a764339e41539625e33f3f2ac37.jpg";
        $file_base64 = $this->imgtobase64($img_url);
        $body=json_encode(['image'=>$file_base64]);
        $url = self::CAR_URL;
        $host="ocr-car-bd.qiniuapi.com";
        $method='POST';
        $header = $this->header($url,$method,$body);
        $header['Content-type']= 'application/json';
        $header['Host']= $host;
        $head=[];
        foreach($header as $k=>$v){
            $head[]=$k.':'.$v;
        }
        $result=$this->post_json_data($url,$body,$head);
        $data = json_decode($result,true);
        if(!$data['errorcode'] && $data['items']['保险公司']!='None'){
            $res = ['code' => 1 ,'msg' => '识别成功','data'=>$data['items']];
        }else{
            $msg = $data['errorcode'] ? $data['errormsg'] : '';
            debug_log("识别图片地址:".$img_url,$this->log_file);
            debug_log("识别结果:".json_encode($data,JSON_UNESCAPED_UNICODE),$this->log_file);
            $res = ['code' => 0 ,'msg'=>'识别失败:'.$msg];
        }
        return $res;
    }

    private function header($url,$method,$body,$contentType = "application/json"){
        // 需要填写你的 Access Key 和 Secret Key
        $accessKey = $this->config['access_key'];
        $secretKey = $this->config['secret_key'];
        // 构建鉴权对象
        $auth = new \Qiniu\Auth($accessKey, $secretKey);
        $header=$auth->authorizationV2($url,$method,$body,$contentType);
        return $header;
    }

    function post_json_data($url, $data_string,$aHeader,$timeout=300) {
        if(!$aHeader){
            $length=strlen($data_string);
            $aHeader= array('Content-type:application/json', 'Content-length:'.$length);
        }
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
        //设置头文件的信息作为数据流输出
        //curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);
        // post数据
        curl_setopt($ch, CURLOPT_POST, true);
        // post的变量
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
        $file_contents = curl_exec($ch);
        curl_close($ch);
        return $file_contents;
    }
    /**
     * 把网络图片图片转成base64
     * @param $url  图片url地址
     * @return void
     */
    public function imgtobase64($url){
        $stream_opts = [
            "ssl" => [
                "verify_peer"=>false,
                "verify_peer_name"=>false,
            ]
        ];
        $img = file_get_contents($url,false,stream_context_create($stream_opts));
        $temp_path = FCPATH.'temp/'.time().rand(100000,999999).'jpg';
        file_put_contents($temp_path,$img);
        $base64 = '';
        if($fp = fopen($temp_path,"rb", 0)) {
            $gambar = fread($fp,filesize($temp_path));
            fclose($fp);
            $base64 = chunk_split(base64_encode($gambar));
        }
        @unlink($temp_path);
        return $base64;
    }

}