<?php

namespace App\Controller;

use App\Constants\ErrorCode;
use App\Model\OrderMain;
use App\Request\WxminiPayRequest;

use EasyWeChat\Factory;
use Hyperf\Guzzle\CoroutineHandler;

class PaymentController extends BaseController
{

    public function wxminiPayOnline(WxminiPayRequest $request){

        $data = $request->validated();

        $config = config('wxpay');
        $app = Factory::payment($config);
        $app['guzzle_handler'] = CoroutineHandler::class;

        // 待支付的，未超时（15min，900sec）的订单
        $orderMain = OrderMain::query()
            ->where(['state' => OrderMain::ORDER_STATE_UNPAY, 'id' => $data['order_id']])
            ->where('time', '>=', date('Y-m-d H:i:s', (time()-900)))
            ->first();

        if (empty($orderMain)) {
            return $this->result(ErrorCode::PAY_FAILURE, $data,'订单不存在或已失效');
        }

        $result = $app->order->unify([
            'body' => '懒族生活 - 外卖下单',
            'out_trade_no' => $orderMain->global_order_id,
            'total_fee' => bcmul(floatval($orderMain->money), 100, 0),
            'notify_url' => config('site_host') . '/v1/notify/wxminiOnline',
            'trade_type' => 'JSAPI',
            'openid' => $data['openid'],
        ]);

        $parameters = [
            'appId' => $result['appid'],
            'timeStamp' => '' . time() . '',
            'nonceStr' => uniqid(),
            'package' => 'prepay_id=' . $result['prepay_id'],
            'signType' => 'MD5'
        ];

        //签名步骤一：按字典序排序参数
        ksort($parameters);
        $string = $this->formatBizQueryParaMap($parameters, false);
        //签名步骤二：在string后加入KEY
        $string = $string . "&key=" . $config['key'];
        //签名步骤三：MD5加密
        $string = md5($string);
        //签名步骤四：所有字符转为大写
        $parameters['paySign'] = strtoupper($string);

        return $this->success($parameters);
    }

    ///作用：格式化参数，签名过程需要使用
    private function formatBizQueryParaMap($paraMap, $urlencode) {
        $buff = "";
        ksort($paraMap);
        foreach ($paraMap as $k => $v) {
            if ($urlencode) {
                $v = urlencode($v);
            }
            $buff .= $k . "=" . $v . "&";
        }
        $reqPar = null;
        if (strlen($buff) > 0) {
            $reqPar = substr($buff, 0, strlen($buff) - 1);
        }
        return $reqPar;
    }

    public function wxminiPayOffline(WxminiPayRequest $request){

        $data = $request->validated();

        $config = config('wxpay');
        $app = Factory::payment($config);
        $app['guzzle_handler'] = CoroutineHandler::class;

        // 待支付的，未超时（15min，900sec）的订单
        $orderMain = OrderMain::query()
            ->where(['dm_state' => OrderMain::ORDER_STATE_UNPAY, 'id' => $data['order_id']])
            ->where('time', '>=', date('Y-m-d H:i:s', (time()-900)))
            ->first();

        if (empty($orderMain)) {
            return $this->result(ErrorCode::PAY_FAILURE, $data,'订单不存在或已失效');
        }

        $result = $app->order->unify([
            'body' => '懒族生活 - 当面支付',
            'out_trade_no' => $orderMain->global_order_id,
            'total_fee' => bcmul(floatval($orderMain->money), 100, 0),
            'notify_url' => config('site_host') . '/v1/notify/wxminiOffline',
            'trade_type' => 'JSAPI',
            'openid' => $data['openid'],
        ]);

        $result['sign_type'] = 'MD5';
        $result['timestamp'] = time();

        return $this->success($result);
    }

}