<?php

namespace common\forms;

use common\core\BaseModel;
use common\enums\ProductOrderEnum;
use common\helpers\FuncHelper;
use common\models\oldDb\PaymentProductOrder;
use common\models\oldDb\PaymentProductRefund;
use common\models\oldDb\ProductOrder;
use common\models\oldDb\ProductOrderRefund;
use common\services\EplPayService;
use common\services\WechatService;
use EasyWeChat\Kernel\Exceptions\InvalidConfigException;
use yii\base\Exception;
use function GuzzleHttp\Promise\all;

class ProductRefundForm extends BaseModel
{
    public function rules()
    {
        return [

        ];
    }

    public function refund($post, $type = '')
    {
        if (isset($post['user_id']) && $post['user_id'] > 0) {
            $user_id = $post['user_id'];
        }else{
            $user_id = \Yii::$app->user->identity->getId();
        }
        
        $productOrder  = ProductOrder::find()->where([
            'user_id'   => $user_id,
            'id'  => $post['order_id']
        ])->one();
        if(!$productOrder || $productOrder->cancel_status){
            throw new Exception('订单不存在');
        }

        $productOrderRefund = ProductOrderRefund::find()->with(['order'])->where([
            'order_id' => $post['order_id'],
            'user_id' => $user_id,

        ])->andWhere(['in','status', [0, 1]])->one();
        if($productOrderRefund){
            throw new Exception('请勿重复操作');
        }
        // $productOrderStatus = $productOrder->status;
        $t = \Yii::$app->db->beginTransaction();
        try {
            //更新订单退款状态
            $productOrder->status = ProductOrderEnum::REFUNDING; //状态变为退款中
            $productOrder->refund_status   = 1; //退款中
            $productOrder->refund_time   = time();
            $productOrder->saveOrFail();

            //生成订单退款记录
            $productOrderRefund = new ProductOrderRefund();
            $productOrderRefund->user_id   = $productOrder->user_id;
            $productOrderRefund->order_id  = $productOrder->id;
            $productOrderRefund->refund_no = FuncHelper::generate_order_no('RF');
            $productOrderRefund->refund_price  = $productOrder->total_pay_price;
            
            if( $type == 'auto'){
                $productOrderRefund->status   = 1; //直接退款，不需要申请
                $productOrderRefund->reason = '处方失效自动退款';
                $productOrderRefund->remark = '处方失效自动退款';
                $productOrderRefund->saveOrFail();
                //微信退款操作
                $this->refundMoney($productOrderRefund);   
            }else{
                $productOrderRefund->reason = $post['reason'] ?? '';
                $productOrderRefund->remark = $post['remark'] ?? '主动申请退款';
                $productOrderRefund->refund_images = $post['refund_images'] ?? '';
                $productOrderRefund->status   = 0; //申请退款
                $productOrderRefund->refund_type   = 1; //退货退款
                $productOrderRefund->saveOrFail();
            }
            
            $t->commit();
        }catch (Exception $exception){
            $t->rollBack();
            throw $exception;
        }
        return ['操作成功'];
    }

    /**
     * 退款操作
     * @param $productOrderRefund
     * @return true
     * @throws Exception
     * @throws InvalidConfigException
     * @throws \yii\db\Exception
     */
    public function refundMoney($productOrderRefund)
    {
        $orderNo = $productOrderRefund->order->order_no;
        $productOrder = ProductOrder::findOne([
            'order_no'  => $orderNo,
            'is_pay'    => 1
        ]);
        $paymentProductOrder = PaymentProductOrder::findOne([
            'order_no'  => $orderNo,
            'is_pay'    => 1
        ]);
        if (!$productOrder || !$paymentProductOrder) {
            throw new Exception('无效的订单号');
        }
        $price  = $productOrderRefund->refund_price;
        if(bccomp($paymentProductOrder->amount,$price,2)==-1){
            throw new Exception('退款金额大于可退款金额');
        }
        $transaction = \Yii::$app->db->beginTransaction();
        try {
            $paymentProductRefund = new PaymentProductRefund();
            $paymentProductRefund->refund_no   = $productOrderRefund->refund_no;
            $paymentProductRefund->amount      = $price;
            $paymentProductRefund->is_pay      = 0;
            $paymentProductRefund->pay_type    = 0;
            $paymentProductRefund->created_at  = time();
            $paymentProductRefund->saveOrFail();
            if(bccomp($price,0,2)<=0) {
                $paymentProductRefund->is_pay = 1;
                $paymentProductRefund->save();

                $productOrder->refund_status = 3;//已退款
                $productOrder->staus = ProductOrderEnum::REFUND;//订单状态变成已退款
                $productOrder->save();

                $productOrderRefund->is_refund = 1;
                $productOrderRefund->refund_time = time();
                $productOrderRefund->save();

                //药品库存回滚
                $DrugRollBackForm = new DrugRollBackForm();
                $DrugRollBackForm->rollBack($productOrder->order_type == 1?$productOrder->p_id:$productOrder->id,$productOrder->order_type == 1?1:0);
            }else{
                switch ($paymentProductOrder->pay_type) {
                    case 1://微信退款
                        if(\Yii::$app instanceof \yii\web\Application){
                            $notifyUrl = \Yii::$app->request->hostInfo."/member/v1/callback/refund-notify/";
                        }else{
                            //如果是job中调用的
                            $notifyUrl = \Yii::$app->getHostInfo()."/member/v1/callback/refund-notify/";
                        }
        
                        $order_amount = bcmul($paymentProductOrder->amount,100,0);
                        $refund_amount = bcmul($price,100,0);
        
                        $result = WechatService::getInstance()->payment->refund->byTransactionId($paymentProductOrder->transaction_id, $paymentProductRefund->refund_no,$order_amount, $refund_amount, [
                            'refund_desc'   => '订单申请退款',
                            'notify_url'    => $notifyUrl
                        ]);
                        if($result['return_code']!='SUCCESS' || $result['result_code']!='SUCCESS'){
                            $error = isset($result['err_code_des']) ? $result['err_code_des'] :  $result['return_msg'];
                            throw new Exception($error);
                        }
                        break;
                    case 2://易票联退款
                        $eplResult = EplPayService::getInstance()->refund([
                            'refund_no' => $paymentProductRefund->refund_no,
                            'transaction_id' => $paymentProductOrder->transaction_id,
                            'total_pay_price' => $paymentProductOrder->amount,
                            'refund_price' => $price,
                        ]);
                        if(!isset($eplResult['returnCode']) || $eplResult['returnCode'] != '0000'){
                            throw new Exception($eplResult['returnMsg']);
                        }
                        break;
                    
                    default:
                        throw new Exception('退款失败，请联系客服');
                        break;
                    }
                //其他状态变更在回调
            }
            $transaction->commit();
            return true;
        } catch (\Exception $exception){
            $transaction->rollBack();
            throw $exception;
        }
    }
}