<?php
/**
 * Created by PhpStorm.
 * User: whwyy
 * Date: 2018/3/26 0026
 * Time: 10:22
 */

namespace wchat\qq;

use Exception;
use Kiri\Client;
use wchat\common\Result;
use wchat\common\Help;

class Recharge extends SmallProgram
{
    private float $money = 0;

    private string $orderNo;

    private array $data = [];

    private string $spill_create_ip = '';

    private string $uniformer = '/cgi-bin/pay/qpay_unified_order.cgi';

    /**
     * @param $value
     */
    public function setSpillCreateIp($value)
    {
        $this->spill_create_ip = $value;
    }

    /**
     * @param int $money
     * @param string $orderNo
     * @param string $openId
     * @return Result
     * @throws
     */
    public function recharge(int $money, string $orderNo, string $openId = ''): Result
    {
        if ($money < 0) {
            return new Result(code: 500, message: '充值金额不能小于0.');
        }
        $this->money = $money;
        $this->orderNo = $orderNo;
        $this->data['openid'] = $openId;

        $client = new Client('qpay.qq.com', 443, true);
        $client->withHeader(['Content-Type' => 'application/xml']);
        $client->withBody($this->builder());

        $proxyHost = $this->getConfig()->getProxyHost();
        $proxyPort = $this->getConfig()->getProxyPort();
        if (!empty($proxyHost) && $proxyPort > 0) {
            $client->withProxyHost($proxyHost)->withProxyPort($proxyPort);
        }

        $client->post($this->uniformer);
        $client->close();

        if (!in_array($client->getStatusCode(), [101, 200, 201])) {
            return new Result(code: 505, message: $client->getBody());
        }

        $data = Help::toArray($client->getBody());
        if (isset($data['return_code']) && $data['return_code'] != 'SUCCESS') {
            return new Result(code: 503, message: $data['return_msg']);
        }
        if ($data['result_code'] != 'SUCCESS') {
            return new Result(code: 504, message: $data['err_code_des']);
        }

        return new Result(code: 0, data: $this->reception($data['prepayid']));
    }


    /**
     * @param string $prepay_id
     * @return string
     */
    public function reception(string $prepay_id): string
    {
        return Help::sign([
            'signType'  => $this->config->getSignType(),
            'package'   => 'prepay_id=' . $prepay_id,
            'nonceStr'  => Help::random(32),
            'timestamp' => time()
        ], $this->getConfig()->getKey(), $this->getConfig()->getSignType());
    }

    /**
     * @return string
     */
    protected function builder(): string
    {
        $data = [
            'appid'            => $this->config->getAppid(),
            'mch_id'           => $this->config->getMchId(),
            'nonce_str'        => Help::random(32),
            'body'             => $this->config->getBody(),
            'out_trade_no'     => $this->orderNo,
            'total_fee'        => $this->money,
            'spbill_create_ip' => $this->spill_create_ip,
            'notify_url'       => $this->config->getNotifyUrl(),
            'trade_type'       => $this->config->getTradeType(),
        ];

        $this->data = array_merge($data, $this->data);

        $key = $this->config->getKey();
        $sign_type = $this->config->getSignType();

        $this->data['sign_type'] = $this->config->getSignType();
        $this->data['sign'] = Help::sign($this->data, $key, $sign_type);

        return Help::toXml($this->data);
    }
}