<?php

namespace addons\GroupBuy\common\models;

use common\enums\StatusEnum;
use common\models\base\BaseActiveRecord;
use common\models\goods\Goods;
use common\models\goods\GoodsAttr;
use Yii;

/**
 * This is the model class for table "qimall_addons_group_buy_goods_attr".
 *
 * @property int $id
 * @property int $mall_id 商城id
 * @property int $group_buy_active_id
 * @property int $goods_id 商品id;对应goods主表
 * @property int $attr_id 商品规格id;对应goods_attr.id;
 * @property float $group_buy_price 价格
 * @property int $stock 拼团库存
 * @property int $status 状态[-1:删除;0:禁用;1启用]
 * @property int $created_at
 * @property int $updated_at
 */
class GroupBuyActiveGoodsAttr extends BaseActiveRecord
{
    /**
     * {@inheritdoc}
     */
    public static function tableName()
    {
        return '{{%addons_group_buy_active_goods_attr}}';
    }

    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['mall_id', 'group_buy_active_id','goods_id', 'attr_id'], 'required'],
            [['mall_id', 'goods_id', 'attr_id', 'stock', 'status', 'created_at', 'updated_at'], 'integer'],
            [['group_buy_price'], 'number'],
        ];
    }
    // 关联模型
    public function getGoods()
    {
        return $this->hasOne(Goods::class, ['id' => 'goods_id']);
    }
    public function getGroupBuyActive()
    {
        return $this->hasOne(GroupBuyActive::class, ['id' => 'group_buy_active_id']);
    }
    public function getGoodsAttr()
    {
        return $this->hasOne(GoodsAttr::class, ['id' => 'attr_id']);
    }
    /**
     * {@inheritdoc}
     */
    public function attributeLabels()
    {
        return [
            'id' => 'ID',
            'mall_id' => '商城id',
            'group_buy_active_id' => 'qimall_addons_group_buy_active.id',
            'goods_id' => '商品id;对应goods主表',
            'attr_id' => '商品规格id;对应goods_attr.id;',
            'group_buy_price' => '价格',
            'stock' => '拼团库存',
            'status' => '状态[-1:删除;0:禁用;1启用]',
            'created_at' => 'Created At',
            'updated_at' => 'Update At',
        ];
    }
    public static function setData(array $params)
    {
        try {
            foreach ($params['form']['attr'] as $item){
                $param = $item;
                $param['mall_id'] = $params['mall_id'];
                $param['attr_id'] = $item['id'];
                $param['group_buy_active_id'] = $params['group_buy_active_id'];
                $model = new self();
                $model->loadDefaultValues();
                if (!$model->load($param, '')) throw new \Exception($model->getErrorMessage());
                if(empty($params['form']['is_attr'])) $model->stock = $params['group_buy_goods']['goods_stock'];
                if (!$model->save()) throw new \Exception($model->getErrorMessage());
            }
            return true;
        } catch (\Exception $e) {
            self::$static_error = $e->getMessage();
            return false;
        }
    }

    /**
     * @desc:扣减规格库存
     * @Author: hua
     * @Date: 2021/11/9
     * @Time: 11:46
     * @Copyright: copyright (c) 2021 广东七件事集团
     * @param $goods_attr_id
     * @param $num +增加 -减少
     * @return bool
     * @throws Exception
     */
    public static function handleStock($mall_id,$group_buy_active_id,$goods_attr_id,$num){
        try{
            $model = self::findOne(['mall_id'=>$mall_id,'group_buy_active_id'=>$group_buy_active_id,'attr_id'=>$goods_attr_id]);
            if(empty($model)) throw new \Exception('规格不存在');
            if(!is_int($num)) throw new \Exception('库存数量必须为整数');
            if($num < 0 && $model->stock < abs($num)) throw new \Exception('库存不足');
            $model->stock += $num;
            $res = $model->save();
            if($res === false) throw new \Exception($model->getErrorMessage());
            return true;
        }catch(\Exception $e){
            self::setStaticError($e->getMessage());
            return false;
        }

    }

}