<?php
/**
 * 微信支付
 */

namespace app\api\services;

use utils\WxPay;

/**
 * Class WxPayServices
 * @package app\services
 * @method $this data($data)
 * @method $this trade_type(string $trade_type)
 * @method $this uid(int $uid)
 */
class WxPayServices extends BasePayServices
{

    /**
     * 用户id
     * @var
     */
    protected $uid;

    /**
     * 数据体
     * @var
     */
    protected $data;

    protected static $instance = null;

    public static function instance ()
    {
        if (is_null(self::$instance)) {
            self::$instance = new static();
        }
        return self::$instance;
    }

    /**
     * 微信统一下单
     * @return mixed
     */
    public function getUnifiedOrder ()
    {
        $uid = $this->uid;
        if (!$uid || !$this->data)
            return app('json')->json_error('下单失败');
        list($body, $total_amount, $order_type, $remarks, $trade_type, $pay_way) = $this->_payConf($uid, $this->data, 2);
        $out_trade_no = rand(1000000000, 9999999999) . (string)date('ymdhis', time()) . (int)microtime(true); // 订单号
        /** @var WxPay $pay */
        $pay = app()->make(WxPay::class);
        $rpm = $pay->unifiedOrder(compact('uid', 'body', 'out_trade_no', 'total_amount'));
        if (!$rpm['flag']) {
            return app('json')->json_error($rpm['msg']);
        }
        $this->setPaymentOrder(compact('body', 'out_trade_no', 'total_amount', 'remarks', 'uid', 'trade_type', 'order_type', 'pay_way'), 2);
        return app('json')->json_success('微信统一下单成功', $rpm['data']);
    }

    /**
     * 支付回调
     * @return $this
     */
    public function getNotifyInfo ()
    {
        $pay = new WxPay();
        if ($pay->checkSign($this->data)) {
            if ($this->data['trade_status'] == 'TRADE_SUCCESS') {
                $this->notify_info = $this->data;
                $this->pay_status = true;
                $this->pay_way = 2;
            }
        }
        return $this;
    }

    /**
     * 魔术方法
     * @param $name
     * @param $arguments
     * @return $this
     */
    public function __call ($name, $arguments)
    {
        // TODO: Implement __call() method.
        if ($name == 'data') {
            $this->{$name} = $arguments[0];
        } else {
            $this->{$name} = $arguments[0];
        }
        return $this;
    }
}