<?php

namespace wchat\wx\V3;

use Exception;
use Kiri\Client;
use wchat\wx\SmallProgram;

class WxV3AppPayment extends SmallProgram
{


	use WxV3PaymentTait;


	/**
	 * @param $orderNo
	 * @param int $total
	 * @param string|null $openId
	 * @param string $payer_client_ip
	 * @return array
	 * @throws Exception
	 */
	public function payment($orderNo, int $total, string $openId = NULL, string $payer_client_ip = '127.0.0.1'): array
	{
		$body = $this->getInitCore($orderNo, $total);

		$body['scene_info'] = ['payer_client_ip' => $payer_client_ip];

		$sign = $this->signature('POST', '/v3/pay/transactions/components', $json = json_encode($body, JSON_UNESCAPED_UNICODE));

		$client = new Client('api.mch.weixin.qq.com', 443, TRUE);
		$client->withAddedHeader('Authorization', $sign)->withContentType('application/json')
			->withAgent('application/json')->withBody($json)
			->post('/v3/pay/transactions/components');
		$client->close();

		$json = json_decode($client->getBody(), TRUE);
		if (!isset($json['prepay_id'])) {
			throw new Exception('微信支付调用失败');
		}
		return $this->createResponse($json, $body);
	}


}