<?php
/**
 * Created by PhpStorm.
 * User: lts
 * Date: 2019-04-28
 * Time: 15:48
 */

namespace app\main\service;

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

class IpaynowPayService
{
    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;
    }

    /**
     * 构造sign签名参数
     * @param array $params
     * @return bool|string
     */
    public function makeSign($params)
    {
        if (!empty($params)) {
            ksort($params);
            $str = '';
            foreach ($params as $k => $v) {
                if ($v == '' || $k == 'signature') {
                    continue;
                }
                $str .= $k . '=' . $v . '&';
            }
            return strtolower(md5($str . md5($this->_key)));
        }
        return false;
    }

    /**
     * 验证sign签名参数
     * @param array $params
     * @return bool
     */
    public function verifySign($params)
    {
        if (empty($params['signature'])) {
            LogService::info('signature参数不存在，现在支付签名校验失败');
            return false;
        }
        $originalSign = $params['signature'];
        $sign = $this->makeSign($params);
        if ($originalSign != $sign) {
            LogService::info('signature参数有误，现在支付签名校验失败');
            return false;
        } else {
            LogService::info('signature参数成功，现在支付签名校验成功');
            return true;
        }
    }

    /**
     * 现在支付调用API接口
     * @param $data 加密前的明文参数
     * @param $payInfo 支付信息
     * @param $goodsInfo 商品信息
     * @param $orderInfo 订单信息
     * @param int $loopIndex 循环调用API的次数
     * @return \Psr\Http\Message\ResponseInterface
     * @throws Exception
     */
    public function payIpaynowApi($data, $payInfo, $goodsInfo, $orderInfo, $loopIndex = 1)
    {
        $payUrl = ApiConstants::IPAYNOW_PAY_URL;
        $ipaynowApiStartTime = 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
                'curl' => [
                    CURLOPT_SSLVERSION => CURL_SSLVERSION_TLSv1_1
                ],
            ]);

            $result = $client->post($payUrl, ['form_params' => $data]);
            $ipaynowApiEndTime = microtime(true);
            $apiRunTime = round($ipaynowApiEndTime - $ipaynowApiStartTime, 3);
            if ($result->getStatusCode() != '200') {
                LogService::error(sprintf('ipaynow_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,loop_index:%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, $loopIndex, json_encode(var_export($result, true), JSON_UNESCAPED_UNICODE)));
                LogService::error('现在支付平台订单创建失败！订单内容1: ' . json_encode(var_export($data, true),
                        JSON_UNESCAPED_UNICODE) . "  现在支付平台返回内容: " . json_encode(var_export($result, true),
                        JSON_UNESCAPED_UNICODE));
                throw new Exception('订单创建失败,请重新下单!');
            } else {
                $resStr = $result->getBody()->getContents();
                parse_str($resStr, $result);
                $verifyResponseResult = $this->verifySign($result);
                if ($result['responseCode'] != 'A001' || !$verifyResponseResult) {
                    LogService::error(sprintf('ipaynow_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,loop_index:%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, $loopIndex, $result['responseMsg']));
                    LogService::error('现在支付平台订单创建失败！订单内容2:' . json_encode(var_export($data,
                            true)) . "  现在支付平台返回错误码: " . $result['responseCode']);
                    throw new Exception('订单创建失败,请重新下单!');
                }
            }
            LogService::info(sprintf('ipaynow_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,loop_index:%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, $loopIndex));
            return $result;

        } catch (GuzzleException $exception) {
            $ipaynowApiEndTime = microtime(true);
            $apiRunTime = round($ipaynowApiEndTime - $ipaynowApiStartTime, 3);
            LogService::error(sprintf('ipaynow_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,loop_index:%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, $loopIndex, $exception->getMessage()));
            LogService::error('现在支付平台订单创建失败！订单内容3: ' . json_encode(var_export($data, true), JSON_UNESCAPED_UNICODE));
            LogService::error($exception->getMessage());
            LogService::error($exception->getTraceAsString());
            if ($loopIndex <= ApiConstants::LOOP_EXEC_API_COUNT) {
                $loopIndex++;
                return $this->payIpaynowApi($data, $payInfo, $goodsInfo, $orderInfo, $loopIndex);
            }
            throw new Exception('订单创建失败,请重新下单!');
        }
    }
}