<?php

namespace app\common\model;

use app\common\service\OrderRefundService;
use think\db\Query;
use think\Model;

/**
 * 短信验证码
 * @property Orders orders
 * @property User user
 * @property int refund_status
 * @method static static|Query FilterRefund()
 */
class Refund Extends Model
{
    protected $name='order_info_refund';
    const REFUND_ING=10;
    const REFUND_PASS=20;
    const REFUND_REJECT=30;
    const REFUND_CANCEL=40;
    public static $refundStatus=[
        self::REFUND_ING=>'申请处理中',
        self::REFUND_PASS=>'申请通过',
        self::REFUND_REJECT=>'申请驳回',
        self::REFUND_CANCEL=>'已取消',
    ];
    /**
     * @return string[]
     */
    public static function getRefundStatus(): array
    {
        return self::$refundStatus;
    }
    const REFUND_TYPE_MONEY=1;
    const REFUND_TYPE_ALL=2;
    const REFUND_TYPE_GOODS=3;
    public static $refundTypes=[
        self::REFUND_TYPE_MONEY=>'仅退款',
        self::REFUND_TYPE_ALL=>'退款退货',
        self::REFUND_TYPE_GOODS=>'仅退货',
    ];
    public static $refundTypeGoods=[self::REFUND_TYPE_ALL,self::REFUND_TYPE_GOODS];
    public static $refundTypeMoney=[self::REFUND_TYPE_MONEY,self::REFUND_TYPE_ALL];

    /**
     * @return string[]
     */
    public static function getRefundTypes(): array
    {
        return self::$refundTypes;
    }

    /**
     * @return int[]
     */
    public static function getRefundTypeGoods(): array
    {
        return self::$refundTypeGoods;
    }

    /**
     * @return int[]
     */
    public static function getRefundTypeMoney(): array
    {
        return self::$refundTypeMoney;
    }
    protected $autoWriteTimestamp=true;
    public function orderInfo(){
        return $this->belongsTo(OrderInfo::class);
    }
    public function orders(){
        return $this->belongsTo(Orders::class,'order_id');
    }
    public function user(){
        return $this->belongsTo(User::class);
    }
    public function allowCancel(){
        return in_array($this['refund_status'],[
            self::REFUND_ING,
        ]);
    }
    public function makeCancel(){
        $this['refund_status']=self::REFUND_CANCEL;
        $this->save();
        OrderInfo::where('id',$this['order_info_id'])->update([
            'refund_id'=>null,
        ]);
    }
    public function allowAudit(){
        return $this['refund_status']==self::REFUND_ING;
    }
    #退款相关
    /**
     * 退款金额
     */
    public function getRefundAmount(){
        return $this['amount'];
    }
    public function refundResult($succ,$remark=''){
        if(is_bool($succ)){
            $this['pay_status']=$succ?1:2;
        }else{
            $this['pay_status']=$succ;
        }
        $this['pay_remark']=$remark;
        $this->save();
    }
    public function isRefundMoney(){
        return in_array($this['refund_type'],self::getRefundTypeMoney());
    }
    #end
    public function makeAudit($pass){
        $this['refund_status']=$pass?self::REFUND_PASS:self::REFUND_REJECT;
        $refundMoney=false;
        if($pass){
            #如果退货
            if(in_array($this['refund_type'],self::getRefundTypeGoods())){
                $this->orderInfo()->update(['is_return_goods'=>1]);
            }
            #如果退款，执行退款
            if(in_array($this['refund_type'],self::getRefundTypeMoney())){
                $this['order_no']=order_no('TK');
                $refundMoney=true;
            }
        }
        if(!$this->save()){
            throw_user('保存失败');
        }
        if($refundMoney){
            $payment=$this->orders->payment??null;
            if($payment){
                $refund=new OrderRefundService();
                $refund->setPayment($payment);
                $refund->setRefund($this);
                $refund->setBody("订单[{$this->orders->order_no}]退款");
                $refund->pay();
            }
        }

        SiteMsg::sendMsg(
            $pass?SiteMsg::TYPE_ORDER_REFUND_PASS:SiteMsg::TYPE_ORDER_REFUND_REJECT,
            $this->user
        );
    }


    /**
     * 售后中及已售后的
     */
    public function scopeFilterRefund(Query $query){
        $query->whereBetween("{$this->getTable()}.refund_status",[self::REFUND_ING,self::REFUND_PASS]);
    }


    protected static function init()
    {
        self::beforeInsert(function (self $refund){
            $refund['refund_status']=self::REFUND_ING;
        });
        self::afterUpdate(function (self $refund){
            if($refund->refund_status==self::REFUND_PASS && $refund->isRefundMoney()){
                Transaction::addTransaction($refund);
            }
        });
    }
}