<?php

namespace App\Helper\UniPlatform\Kuaishou;

use App\Helper\Kuaishou;
use App\Models\Pay;
use Carbon\Carbon;

/**
 * Class Payment
 *
 * @package App\Helper\Bytedance
 * @property-read Kuaishou $app
 */
class Payment
{

    private $app;

    private $messageId = '';

    private $fail = null;


    public function __construct(Kuaishou $app)
    {
        $this->app = $app;
    }

    /**
     * 支付通知
     * @param \Closure $closure
     * @return \Illuminate\Http\JsonResponse
     */
    public function payNotify(\Closure $closure)
    {
        try {
            call_user_func($closure, $this->getNoticeData() ,[$this, 'fail']);
        }catch (\Exception $e){
            $this->fail($e->getMessage());
        }

        return $this->toResponse();
    }

    public function fail($msg)
    {
        $this->fail = $msg;
    }

    /**
     * 获取支付通知数据
     * @return mixed
     * @throws \Exception
     */
    private function getNoticeData()
    {
        $notify = \request()->all();
        $kwaisign = \request()->header('kwaisign');

        $this->messageId = $notify['message_id'];
        //获取订单信息
        $notify = array_merge($notify,['kwaisign' => $kwaisign]);
        \Log::info('快手支付回调==>'.json_encode($notify,JSON_UNESCAPED_SLASHES));
        if($kwaisign !== $this->app->getNotifySign($notify)){
            throw new \Exception('签名验证错误');
        }

        return $notify['data'];
    }

    /**
     * 返回数据
     * @return \Illuminate\Http\JsonResponse
     */
    private function toResponse()
    {
        $data = [
            'result'        => is_null($this->fail) ? 1  : 0,
            'message_id'    => $this->messageId,
            'fail'          => $this->fail
        ];
        return response()->json($data);
    }
}