<?php

namespace wchat\wx\V3;

use Kiri\Client;
use wchat\wx\SmallProgram;
use wchat\wx\V3\Libs\XPayGoodsDeliverNotify;

class WxVirtualPayment extends SmallProgram
{


	/**
	 * @param string $session_key
	 * @param string $projectId
	 * @param float  $price
	 * @param string $orderNo
	 * @return array
	 */
	public function payment(string $session_key, string $projectId, float $price, string $orderNo, array $attach = []): array
	{
		$signData = [
			'offerId'      => $this->getPayConfig()->pay->wx->offerId,
			'buyQuantity'  => 1,
			'env'          => 0,
			'currencyType' => 'CNY',
			'productId'    => $projectId,
			'goodsPrice'   => $price,
			'outTradeNo'   => $orderNo,
			'attach'       => json_encode($attach, JSON_UNESCAPED_UNICODE),
		];

		$signJson = json_encode($signData);
		return [
			'signData'    => $signData,
			'mode'        => 'short_series_goods',
			'paySig'      => $this->paySign('requestVirtualPayment', $signJson),
			'signature'   => $this->sign($session_key, $signJson),
			'session_key' => $session_key,
		];
	}


	/***
	 * @param string $prefix
	 * @param string $data
	 * @return string
	 */
	private function paySign(string $prefix, string $data): string
	{
		return hash_hmac('sha256', $prefix . '&' . $data, $this->getPayConfig()->pay->wx->appKey);
	}


	/**
	 * @param string $session_key
	 * @param string $data
	 * @return string
	 */
	private function sign(string $session_key, string $data): string
	{
		return hash_hmac('sha256', $data, $session_key);
	}


	/**
	 * @param string $openId
	 * @param string $orderNo
	 * @return bool|array
	 */
	public function queryOrder(string $openId, string $orderNo): bool|array
	{
		$data = json_encode(['openid' => $openId, 'order_id' => $orderNo, 'env' => 0], JSON_UNESCAPED_UNICODE);

		$client = new Client('api.weixin.qq.com', 443, true);
		$client->post('/xpay/query_order?access_token=' . $this->payConfig->getAccessToken() . '&pay_sig=' . $this->paySign('/xpay/query_order', $data), $data);
		$resp = $client->getBody();

		$client->close();

		return json_decode($resp, true);
	}


	/**
	 * @param string $orderNo
	 * @return array
	 */
	public function notify_provide_goods(string $orderNo): array
	{
		$data = json_encode(['order_id' => $orderNo, 'env' => 0], JSON_UNESCAPED_UNICODE);

		$client = new Client('api.weixin.qq.com', 443, true);
		$client->post('/xpay/notify_provide_goods?access_token=' . $this->payConfig->getAccessToken() . '&pay_sig=' . $this->paySign('/xpay/notify_provide_goods', $data), $data);
		$resp = $client->getBody();
		$client->close();

		return json_decode($resp, true);
	}

}