<?php


namespace wchat\qq;

use Exception;
use wchat\common\Help;

/**
 * Class Notify
 * @package wchat\qq
 */
class Notify extends SmallProgram
{
	public mixed $appid = null;
	public mixed $mch_id = null;
	public mixed $nonce_str = null;
	public mixed $sign = null;
	public mixed $device_info = null;
	public mixed $trade_type = null;
	public mixed $trade_state = null;
	public mixed $bank_type = null;
	public mixed $fee_type = null;
	public mixed $total_fee = null;
	public mixed $cash_fee = null;
	public mixed $coupon_fee = null;
	public mixed $transaction_id = null;
	public mixed $out_trade_no = null;
	public mixed $attach = null;
	public mixed $time_end = null;
	public mixed $openid = null;

	/**
	 * @return bool
	 * 判断是否完成支付
	 */
	public function isSuccess(): bool
	{
		return $this->trade_state === 'SUCCESS';
	}

	/**
	 * @param array $params
	 * @return $this
	 * @throws Exception
	 */
	public function setPayNotifyData(array $params): static
	{
		if (!$this->validation($params)) {
			throw new Exception('签名错误！');
		}
		foreach ($params as $key => $val) {
			$this->$key = $val;
		}
		return $this;
	}


	public function __set(string $name, $value): void
	{
		if (property_exists($this, $name)) {
			$this->{$name} = $value;
		}
	}


	/**
	 * @param array $params
	 * @return bool
	 */
	public function validation(array $params): bool
	{
		$sign = $params['sign'];
		unset($params['sign']);

		$signType = $this->payConfig->getSignType();
		$privateKey = $this->payConfig->pay->qq->mchSecret;
		$nowSign = Help::sign($params, $privateKey, $signType);
		if ($sign === $nowSign) {
			return true;
		}
		return false;
	}

	/**
	 * @return null
	 */
	public function getAppid()
	{
		return $this->appid;
	}


}