<?php

/**
 * @author Any
 * @description KISS
 * @date 2022年7月15日
 * @version 1.0.0
 * 
 * _____LOG_____
 * 
 */
namespace Updc;

use Updc\utils\SignatureBuilder;

class Updc
{
    public $appId;
    public $mchId;
    public $url;
    public $privateKeyPassword;
    public $privateKey;
    public $publicKey;
    public $isHttps;
    public $algorithm;
    
    
    public $client;
    public $request;
    public $config;
    public $cache;
    public $signature;


    public function __construct($args) {
        $this->appId = isset($args['appId']) ? $args['appId'] : null;
        $this->mchId = isset($args['mchId']) ? $args['mchId'] : null;
        $this->url = isset($args['url']) ? $args['url'] : null;
        $this->privateKeyPassword = isset($args['privateKeyPassword']) ? $args['privateKeyPassword'] : null;
        $this->privateKey = isset($args['privateKey']) ? $args['privateKey'] : null;
        $this->publicKey = isset($args['publicKey']) ? $args['publicKey'] : null;
        $this->isHttps = isset($args['isHttps']) ? $args['isHttps'] : null;
        $this->algorithm = isset($args['algorithm']) ? $args['algorithm'] : null;        
        return $this->init();
    }
    
    private function init()
    {
        $this->client = new \Updc\bean\Client();       
        $this->client->__set("appId",$this->appId);
        $this->client->__set("url",$this->url);
        $this->client->__set("privateKeyPassword",$this->privateKeyPassword);
        $this->client->__set("privateKey",$this->privateKey);
        $this->client->__set("publicKey",$this->publicKey);
        $this->client->__set("isHttps",$this->isHttps);
        //设置加密算法类型
        $this->client->__set("algorithm", $this->algorithm); 
        
        $this->request = new \Updc\bean\GateWayRequest;
        $this->cache = \Yii::$app->cache ? \Yii::$app->cache : new \yii\caching\DummyCache();      
        
        $this->signature = SignatureBuilder::build($this->algorithm,$this->publicKey,$this->privateKey,$this->privateKeyPassword);
        return $this;
    }


    /**
     * return array
     * throw Exception
     */
    public function apiRequest($args, $debug = true)
    {
        $method = $args['method'];
        $method_name = $args['method_name'];
        $biz_content = $args['biz_content'];
        
        //服务名
        $this->request->__set("apiInterfaceId",$method);
        //方法名
        $this->request->__set("methodName",$method_name);
        //版本号
        $this->request->__set("version","1.0.1");
        $this->request->__set("bizContent",$biz_content);
        $this->client->__set("gateWayRequest",$this->request);
        $r = $this->client->apiRequest();   
        if($r != 1){
            //响应验签
            throw new \Exception('数据验签未通过');
        }
        $req = $this->client->__get("requestBody");
        $debug && \Yii::info('[UpdcRequest]'.$req,'PaymentUpdc'); 
        
        $res = $this->client->__get("responseBody");
        $debug && \Yii::info('[UpdcResponse]'.$res,'PaymentUpdc'); 
        
        $res = json_decode($res, true);
        if(!isset($res['code']) || $res['code'] != '00000'){
            $msg = isset($res['msg']) ? "[{$res['code']}]{$res['msg']}" : "[{$res['code']}]error";
            throw new \Exception($msg);
        }
        if(!isset($res['response'])){
            throw new \Exception('缺少response参数');
        }
        $response = $res['response']; 
        if(!isset($response['subCode']) || $response['subCode'] != '00000'){
            $msg = isset($response['subMsg']) ? "[{$response['subCode']}]{$response['subMsg']}" : "[{$response['subCode']}]error";
            throw new \Exception($msg);
        }
        if(!isset($response['msgBody'])){
            throw new \Exception('缺少msgBody参数');
        }  
        $msgBody = $response['msgBody'];
        if(!isset($msgBody['retCode']) || $msgBody['retCode'] != '00000'){
            $msg = isset($msgBody['retMsg']) ? "[{$msgBody['retCode']}]{$msgBody['retMsg']}" : "[{$msgBody['retCode']}]error";
            throw new \Exception($msg);
        } 
        return $response['msgBody'];
    }
    
    /**
     * 商户交易订单号，需保证在商户端不重复;格式：15 位商户号+8 位交易日期+9 位序数字列号
     */
    public function getMerOrderNo($cx_mch_id = 0, $retry = 0, $retry_max = 3)
    {
        $ckey_prefix = "_updc_mron_{$cx_mch_id}";
        $mch_id = $this->mchId;
        $date = date('Ymd');
        $timestamp = intval(microtime(true) * 1000);
        $today_start = strtotime(date('Y-m-d')) * 1000;
        $sn = $timestamp - $today_start;
        $chars = '1234567890';
        $max = strlen($chars) - 1;
        while (true){
            if(strlen($sn) >= 9)break;
            $start = mt_rand(0, $max);
            $sn .= $chars[$start];            
        }
        $order_no = $mch_id . $date . $sn;
        $ckey = $ckey_prefix . $order_no;
        $cval = $this->cache->get($ckey);
        if($cval !== false){
            usleep(100);
            $retry += 1;
            return $retry <= $retry_max ? $this->getMerOrderNo($cx_mch_id, $retry, $retry_max) : null;
        }
        $this->cache->set($ckey, $order_no, 86400);
        return $order_no;
    }
    
    public function filterSpecialChar($content)
    {
        preg_match_all('/[\x{4e00}-\x{9fa5}a-zA-Z0-9]/u', $content, $matches);
        $result = join("", $matches[0]);       
        return $result;
    }
    
}