<?php

namespace sdkwarpper;

require 'BaseSdk.php';

use phpcommon;
use classes;

class UnifiedWeiXin extends BaseSdk {

    function __construct()
    {
        parent::__construct();
        $this->conf_appid = '';
        $this->conf_mch_id = '';
        $this->conf_pay_secret_key = '';
    }

    public function setChannel($channel)
    {
        parent::setChannel($channel);
        $this->unified_channel = $this->channel;
    }

    private function loadConfig()
    {
        $config_name = "../config/game{$this->gameid}/{$this->channel}/config.php";
        $this->config = require($config_name);
        $this->conf_appid = $this->config['appid'];
        $tmp_str = explode('|', $this->config['pay_secret_key']);
        $this->conf_mch_id = $tmp_str[0];
        $this->conf_pay_secret_key = $tmp_str[1];
    }

    public function preOrder()
    {
        if (!($_REQUEST['unified_trade_type'] == 'MWEB' || $_REQUEST['unified_trade_type'] == 'JSAPI')) {
            phpcommon\sendError(1, '参数错误,unified_trade_type必须为MWEB或JSAPI');
            return;
        }
        if (!phpcommon\isValidSessionId($_REQUEST['account_id'], $_REQUEST['session_id'])) {
            phpcommon\sendError(1, 'session无效');
            return;
        }
        $this->gameid = phpcommon\extractGameId($_REQUEST['account_id']);
        $this->real_channel = phpcommon\extractChannel($_REQUEST['account_id']);
        $this->loadConfig();

        $cp_orderid = $this->order_ctrl->genOrderId($_REQUEST['account_id']);
        {
            $this->order_ctrl->addPreOrder(
                array(
                    'orderid' => $cp_orderid,
                    'account_id' => $_REQUEST['account_id'],
                    'roleid' => '',
                    'server_id' => 0,
                    'itemid' => 1,
                    'price' => 101,
                    'poly_sdk_channel' => $this->poly_sdk_channel,
                    'unified_channel' => $this->unified_channel,
                    'ipv4' => phpcommon\getIPv4(),
                )
            );
        }

        $openid = phpcommon\extractOpenId($_REQUEST['account_id']);
        $params = array(
            'appid' => $this->conf_appid,
            'mch_id' => $this->conf_mch_id,
            'nonce_str' => md5($cp_orderid . time()),
            'body' => '测试产品',
            'out_trade_no' => $cp_orderid,
            'total_fee' => '101',
            'spbill_create_ip' => phpcommon\getIPv4(),
            'notify_url' => 'https://gamepay.kingsome.cn/webapp/paynotify/unified_weixin.php',
            'trade_type' => $_REQUEST['unified_trade_type'],
            //'scene_info' => '',
        );
        if ($_REQUEST['unified_trade_type'] == 'JSAPI') {
            $params['openid'] = $openid;
        }
        if (SERVER_ENV != _ONLINE) {
            $params['notify_url'] = 'https://gamepay-test.kingsome.cn/webapp/paynotify/unified_weixin.php';
        }
        $sign = phpcommon\wxPaySign($params,
                                    $this->conf_pay_secret_key
        );
        $params['sign'] = strtoupper($sign);
        error_log(json_encode($params));
        error_log(phpcommon\objectToXml($params));
        $response = '';
        if (!phpcommon\HttpClient::postContent(
            'https://api.mch.weixin.qq.com/pay/unifiedorder',
            phpcommon\objectToXml($params),
            $response
        )) {
            phpcommon\sendError(1, '服务器内部错误');
            return;
        }
        error_log($response);
        $xml = new \SimpleXMLElement($response);
        if ($xml->return_code != 'SUCCESS') {
            phpcommon\sendError(2, '' .$xml->return_msg);
            return;
        }
        if ($xml->err_code != 'SUCCESS') {
            phpcommon\sendError(2, '' .$xml->err_code_des);
            return;
        }
        if ($_REQUEST['unified_trade_type'] == 'MWEB') {
            echo json_encode(array(
                'errcode' => 0,
                'errmsg' => '',
                'cp_orderid' => $cp_orderid,
                'prepayid' => '' . $xml->prepay_id,
                'pay_jump_url' => '' . $xml->mweb_url
            ));
        } else {
            echo json_encode(array(
                'errcode' => 0,
                'errmsg' => '',
                'cp_orderid' => $cp_orderid,
                'prepayid' => $this->genJSApiData(
                    $this->conf_appid,
                    $cp_orderid,
                    $xml->prepay_id)
            ));
        }
    }

    private function genJSApiData($appid, $cp_orderid, $prepay_id)
    {
        $data = array(
            'appId' => $appid,
            'timeStamp' => time(),
            'nonceStr' => md5($cp_orderid . uniqid()),
            'package' => 'prepay_id=' . $prepay_id,
        );
        $data['paySign'] = phpcommon\wxPaySign($data,
                                               $this->conf_pay_secret_key
        );
        $data['signType'] = 'MD5';
        return json_encode($data);
    }

    public function payNotify()
    {
        $raw_data = file_get_contents('php://input');
        error_log($_REQUEST);
        error_log($raw_data);
        $xml = new \SimpleXMLElement($raw_data);
        if ($xml->return_code == 'SUCCESS') {
            $this->spPayConfirm(
                $xml->out_trade_no,
                $xml->transaction_id,
                $xml->total_fee
            );
            $data = array(
                'return_code' => 'SUCCESS',
                'return_msg' => 'OK'
            );
            echo phpcommon\objectToXml($params);
        } else {
            $data = array(
                'return_code' => 'FAIL',
                'return_msg' => '交易失败'
            );
            echo phpcommon\objectToXml($params);
        }
    }

}