<?php
/**
 * Created by PhpStorm.
 * User: lts
 * Date: 2019-04-16
 * Time: 14:14
 */

namespace app\main\service;

use app\main\constants\ApiConstants;
use GuzzleHttp\Client as Http;
use GuzzleHttp\Exception\GuzzleException;
use think\Exception;


class UnsPayService
{

    protected static $self = null;
    private $_key;

    function __construct($key)
    {
        $this->_key = $key;
    }

    public static function instance($key)
    {
        if (self::$self == null) {
            self::$self = new self($key);
        }
        return self::$self;
    }

    /**
     * 请求参数校验的key的顺序
     */
    const MAC_KEY_REQUEST_SORT = [
        'accountId',
        'orderId',
        'commodity',
        'amount',
        'responseUrl',
        'subject',
        'returnPage',
        'openId',
        'version',
        'limitPay',
    ];

    /**
     * 响应返回值校验的key的顺序
     */
    const MAC_KEY_RESPONSE_SORT = [
        'result_code',
        'result_msg',
        'appId',
        'timeStamp',
        'nonceStr',
        'mPackage',
        'signType',
        'paySign',
        'orderId',
        'transId',
    ];
    /**
     * 支付回调参数校验的key的顺序
     */
    const MAC_KEY_CALLBACK_SORT = [
        'accountId',
        'orderId',
        'amount',
        'result_code',
        'result_msg',
        'channel_refund_trade_no',
    ];

    /**
     * 构造银生宝下单mac参数
     * @param $params
     * @return string
     */
    public function makeMacParams(array $params)
    {
        $aResult = [];
        foreach (self::MAC_KEY_REQUEST_SORT as $key) {
            if (!empty($params[$key])) {
                $aResult[] = sprintf("%s=%s", $key, $params[$key]);
            }
        }
        $aResult[] = 'key=' . $this->_key;
        $strMac = implode('&', $aResult);
        LogService::info('strMac' . $strMac);
        $md5StrMac = md5($strMac);
        $md5StrMac = strtoupper($md5StrMac);
        return $md5StrMac;
    }

    /**
     * 构造银生宝回调mac参数
     * @param array $params
     * @return string
     */
    public function verifyCallbackMacParams(array $params)
    {
        if (empty($params['mac'])) {
            LogService::error('mac参数不存在，银生宝下单返回值校验失败!');
            return false;
        }
        $aResult = [];
        foreach (self::MAC_KEY_CALLBACK_SORT as $key) {
            if (!empty($params[$key])) {
                $aResult[] = sprintf("%s=%s", $key, $params[$key]);
            } else {
                $aResult[] = $key . '=';
            }
        }
        $aResult[] = 'key=' . $this->_key;
        $strMac = implode('&', $aResult);
        $md5StrMac = md5($strMac);
        $md5StrMac = strtoupper($md5StrMac);

        if ($md5StrMac != $params['mac']) {
            LogService::error('mac值有误，银生宝回调返回值校验失败!');
            return false;
        } else {
            return true;
        }
    }

    /**
     * 校验银生宝接口返回值mac
     * @param array $data
     * @return bool
     */
    private function verifyResponse(array $data)
    {
        if (empty($data['mac'])) {
            LogService::error('mac参数不存在，银生宝下单返回值校验失败!');
            return false;
        }
        $aResult = [];
        foreach (self::MAC_KEY_RESPONSE_SORT as $key) {
            if (!empty($data[$key])) {
                $aResult[] = sprintf("%s=%s", $key, $data[$key]);
            } else {
                $aResult[] = $key . '=';
            }
        }
        $aResult[] = 'key=' . $this->_key;
        $strMac = implode('&', $aResult);
        $md5StrMac = md5($strMac);
        $md5StrMac = strtoupper($md5StrMac);
        if ($data['mac'] != $md5StrMac) {
            LogService::error('mac值有误，银生宝下单返回值校验失败!');
            return false;
        } else {
            return true;
        }
    }

    public static function makeJsJsonParam($params)
    {
        $result = json_encode([
            'appId' => $params['appId'],
            'timeStamp' => $params['timeStamp'],
            'nonceStr' => $params['nonceStr'],
            'package' => $params['mPackage'],
            'signType' => $params['signType'],
            'paySign' => $params['paySign'],
        ]);

        return $result;
    }

    /**
     * 银生宝调用API接口
     * @param $data 发送到API的数据
     * @param $payInfo 支付信息
     * @param $goodsInfo 商品信息
     * @param $orderInfo 订单信息
     * @param int $loopIndex 循环调用API的次数
     * @return mixed|\Psr\Http\Message\ResponseInterface
     * @throws Exception
     */
    public function payUnsApi($data, $payInfo, $goodsInfo, $orderInfo, $loopIndex = 1)
    {
        $payUrl = ApiConstants::UNS_PAY_URL;
        $unsApiStartTime = microtime(true);
        try {
            $client = new Http([
                'connect_timeout' => 10,
                'timeout' => 30,
                'http_errors' => true, //抛出异常 true是 false否
                'verify' => false, //不验证ssl证书
            ]);
            $result = $client->post($payUrl, ['form_params' => $data]);
            $unsApiEndTime = microtime(true);
            $apiRunTime = round($unsApiEndTime - $unsApiStartTime, 3);
            if ($result->getStatusCode() != '200') {
                LogService::error(sprintf('unspay_create_order_fail!wxpay_id:%s,wxpay_name:%s,mch_id:%s,channel_id:%s,user_id:%s,money:%s,good_id:%s,out_trade_no:%s,api_run_time:%s s,errmessage:%s',
                    $payInfo['id'], $payInfo['name'], $payInfo['quartet_merchant_id'], $orderInfo['admin_id'],
                    $orderInfo['user_id'], $goodsInfo['money'], $orderInfo['goods_id'], $orderInfo['out_trade_no'],
                    $apiRunTime, json_encode(var_export($result, true), JSON_UNESCAPED_UNICODE)));
                LogService::error('银生宝平台订单创建失败！订单内容: ' . json_encode(var_export($data, true),
                        JSON_UNESCAPED_UNICODE) . "  银生宝平台返回内容: " . json_encode(var_export($result, true),
                        JSON_UNESCAPED_UNICODE));
                throw new Exception('订单创建失败,请重新下单!');
            } else {
                $result = json_decode($result->getBody()->getContents(), true);
                $verifyResponseResult = $this->verifyResponse($result);
                if ($result['result_code'] != '0000' || !$verifyResponseResult) {
                    LogService::error(sprintf('unspay_create_order_fail!wxpay_id:%s,wxpay_name:%s,mch_id:%s,channel_id:%s,user_id:%s,money:%s,good_id:%s,out_trade_no:%s,api_run_time:%s s,errmessage:%s',
                        $payInfo['id'], $payInfo['name'], $payInfo['quartet_merchant_id'], $orderInfo['admin_id'],
                        $orderInfo['user_id'], $goodsInfo['money'], $orderInfo['goods_id'], $orderInfo['out_trade_no'],
                        $apiRunTime, $result['result_msg']));
                    LogService::error('银生宝平台订单创建失败！订单内容:' . json_encode(var_export($data,
                            true)) . "  银生宝平台返回错误码: " . $result['result_code']);
                    throw new Exception('订单创建失败,请重新下单!');
                }
            }
            LogService::info(sprintf('unspay_create_order_success!wxpay_id:%s,wxpay_name:%s,mch_id:%s,channel_id:%s,user_id:%s,money:%s,good_id:%s,out_trade_no:%s,api_run_time:%s s',
                $payInfo['id'], $payInfo['name'], $payInfo['quartet_merchant_id'], $orderInfo['admin_id'],
                $orderInfo['user_id'], $goodsInfo['money'], $orderInfo['goods_id'], $orderInfo['out_trade_no'],
                $apiRunTime));
            return $result;
        } catch (GuzzleException $exception) {
            $unsApiEndTime = microtime(true);
            $apiRunTime = round($unsApiEndTime - $unsApiStartTime, 3);
            LogService::error(sprintf('unspay_create_order_fail!wxpay_id:%s,wxpay_name:%s,mch_id:%s,channel_id:%s,user_id:%s,money:%s,good_id:%s,out_trade_no:%s,api_run_time:%s s,errmessage:%s',
                $payInfo['id'], $payInfo['name'], $payInfo['quartet_merchant_id'], $orderInfo['admin_id'],
                $orderInfo['user_id'], $goodsInfo['money'], $orderInfo['goods_id'], $orderInfo['out_trade_no'],
                $apiRunTime, $exception->getMessage()));
            LogService::error('银生宝平台订单创建失败！订单内容: ' . json_encode(var_export($data, true), JSON_UNESCAPED_UNICODE));
            LogService::error($exception->getMessage());
            LogService::error($exception->getTraceAsString());
            if ($loopIndex <= ApiConstants::LOOP_EXEC_API_COUNT) {
                $loopIndex++;
                return $this->payUnsApi($data, $payInfo, $goodsInfo, $orderInfo, $loopIndex);
            }
            throw new Exception('订单创建失败,请重新下单!');
        }

    }

}