<?php

namespace app\common\library\pay;

use fast\Http;
use think\Cache;
use think\Session;
use app\common\model\order\Order;
use app\common\library\Auth;
use think\Db;
use app\common\model\User;
use app\common\exception\Exception;
/**
 * 余额
 *
 */
class Balance
{
    protected $auth;
    protected $order;
    public function __construct()
    {
        $this->auth = new Auth();
        $this->order = new Order();
    }

    /**
     * 余额支付
     * @param $params 订单信息
     * @return bool
     */
    public function pay($order){

        $userInfo = $this->getOrderUser($order['order_no']);

        if(!$userInfo){
            throw new Exception('获取用户信息失败');
        }

        //余额不足
        if($userInfo['money'] < $order['amount']){
            throw new Exception('余额不足');
        }

        $order = Db::transaction(function () use ($order,$userInfo) {
            //扣减余额
            User::money(($order['amount'] * -1), $userInfo['id'], "余额支付");
            // 支付后流程
            $notify = [
                'order_no' => $order['order_no'],
                'transaction_id' => '',
                'notify_time' => date('Y-m-d H:i:s'),
                'buyer_email' => $userInfo['id'],
                'pay_fee' => $order['amount'],
                'pay_type' => 'balance'             // 支付方式
            ];
            $notify['payment_json'] = json_encode($notify);

            return Order::paySuccess($order, $notify);

        });


        return $order;
    }


    /**
     * 获取订单用户信息
     * @param $orderNo
     * @return false
     */
    public function getOrderUser($orderNo)
    {
        $orderInfo = Order::orderNoGetOrder($orderNo);

        if(!$orderInfo){
            return false;
        }

        $userInfo = $this->auth->getUserinfo($orderInfo['user_id']);

        return $userInfo;
    }
}