<?php

namespace app\admin\controller\order;

use app\common\controller\Backend;
use think\Db;
/**
 * 退款
 *
 * @icon fa fa-circle-o
 */
class Refund extends Backend
{

    /**
     * Course模型对象
     * @var \app\admin\model\order\Course
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\order\Order;
    }

    /**
     * 同意退款
     */
    public function refund()
    {
        $orderNo = input('order_no');
        $refundForm = input('form/a');

        $order = $this->model
            ->with(['log','user','item','item.detail'])
            ->where([
                'order_no'=>$orderNo
            ])
            ->find();

        $order->getRelation('user')->visible(\app\admin\model\User::$listShowField);
        if (!$order) {
            $this->error(__('No Results were found'));
        }
        $order = $order->toArray();
        $order['log'] = array_reverse($order['log']);


        Db::startTrans();
        try{
            foreach ($order['item'] as $key => $goods){
                $goods['detail'] = json_decode($goods['snapshoot'],true);

                if(!isset($refundForm[$goods['id']]['price'])){
                    $this->error('退款数据异常');
                }

                if($refundForm[$goods['id']]['price'] > bcsub($goods['real_price'] , $goods['refund_price'],2)){
                    $this->error('「'.$goods['item_name'].'」超出实际可退款金额');
                }

                \app\admin\model\order\Refund::startRefund($order,$goods,$refundForm[$goods['id']]['price'],"{$goods['item_name']}退款",$refundForm[$goods['id']]['save_equity']);

            }

            Db::commit();
        }catch (\Exception $e){
            Db::rollback();
            $this->error('退款数据异常，'.$e->getMessage());
        }

        return $this->success('退款成功');
    }
}