<?php

namespace wchat\wx\V2;

use Kiri\Client;
use wchat\common\Help;
use wchat\common\Result;
use wchat\wx\SmallProgram;

class WxV2AppPayment extends SmallProgram
{


	private string $uniformed = '/pay/unifiedorder';

	use WxV2PayTait;


	/**
	 * @param int $money
	 * @param string $orderNo
	 * @param string $spbill_create_ip
	 * @return Result
	 */
	public function payment(int $money, string $orderNo, string $spbill_create_ip = '127.0.0.1'): Result
	{
		if ($money < 0) {
			return new Result(code: 400, message: '充值金额不能小于0.');
		}

		$body = $this->getInitCore($orderNo, $money);
		$body['trade_type'] = 'APP';
		$body['spbill_create_ip'] = $spbill_create_ip;

		$client = new Client('api.mch.weixin.qq.com', 443, true);
		$client->withHeader(['Content-Type' => 'application/json']);
		$client->withBody($this->sign($body));
		$client->post($this->uniformed);
		$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 $this->sign([
			'appId'     => $this->config->getAppid(),
			'partnerid' => $this->config->getMchId(),
			'prepayid'  => $prepay_id,
			'package'   => 'Sign=WXPay',
			'noncestr'  => Help::random(32),
			'timestamp' => time()
		]);
	}

}