<?php

namespace App\Repositories\Service\Payment;

use App\Repositories\ConfigRepoistory;
use App\Repositories\Service\CommonService;

class PaycenterPayment extends PaymentInterface
{
    /**
     * @var null
     */
    private static $_instance = null;

    /**
     * @return PaycenterPayment|null
     */
    public static function getInstance()
    {
        if (is_null(self::$_instance)) {
            self::$_instance = new self();
        }
        return self::$_instance;
    }

    public function createPayLink($data = array())
    {
        $payUrl = make(ConfigRepoistory::class)
            ->get('pay_notify_url', 'sys', '');
        if (!$payUrl) {
            $this->_lastError = '网络错误';
            payLogger(__CLASS__, '网络错误');
            return '';
        }
        $notifyUrl = trim($payUrl, '/');
        $notifyUrl .= '/notify/' . $data['type'] . '/' . $data['orderId'];

        $info = [
            'merchant_code' => env('PAY_CENTER_MERCHANT_CODE'),
            'payment_id' => $data['payId'],
            'amount' => $data['money'],
            'order_id' => $data['orderSn'],
            'notify_url' => $notifyUrl,
            'redirect_url' => $payUrl,
            'product_name' => 'DK',
        ];
        $info['signature'] = strtoupper(md5($this->getSign($info) . "key=" .  env('PAY_CENTER_KEY')));
        $info['ip'] = make(CommonService::class)->getIp();

        $res = $this->httpPost(env('PAY_CENTER_URL') . '/api/pay/url', ['data' => $info]);
        if (empty($res)) {
            payLogger(__CLASS__, '获取支付中心链接失败' . $res);
            return '';
        }

        $res = json_decode($res, true);
        if (empty($res) || $res['code'] == 500) {
            payLogger(__CLASS__, '获取支付中心链接异常:' . $res['message']);
            return '';
        }

        return $res['data']['pay_url'];
    }

    public function notify(&$orderSn, &$tradeNo, &$money)
    {
        $data = request()->all();
        if ($data['status'] != 2) {
            payLogger(__CLASS__, '回调订单状态失败!'.json_encode($data));
            return false;
        }

        $sendData = [
            'merchant_code' => env('PAY_CENTER_MERCHANT_CODE'),
            'status' => $data['status'],
            'order_id' => $data['order_id'],
            'trade_no' => $data['trade_no'],
            'amount' => $data['amount'],
            'real_amount' => $data['real_amount'],
            'product_name' => $data['product_name'],
            'notify_url' => $data['notify_url'],
            'redirect_url' => $data['redirect_url'],
        ];
        $sign = strtoupper(md5($this->getSign($sendData) . 'key=' . env('PAY_CENTER_KEY')));
        if ($sign != $data['signature']) {
            $this->_lastError = '验证失败！';
            payLogger(__CLASS__, '验证失败!'.json_encode($data));
            return false;
        }

        $money = $data['amount'];
        $orderSn = $data['order_id'];
        $tradeNo = $data['trade_no'];
        return true;
    }
}