<?php

namespace common\models;

use Yii;
use yii\helpers\ArrayHelper;
use common\components\UserAwareBehavior;
use common\components\Helper;
use common\components\ProductAwareBehavior;

/**
 * This is the model class for table "inventory_item".
 *
 * @property integer $id_inventory_item
 * @property integer $id_inventory
 * @property integer $count_in
 * @property integer $count_sold
 * @property integer $count
 * @property integer $count_prev
 * @property integer $count_system
 * @property integer $type
 * @property integer $id_product
 * @property integer $id_inventory_group
 * @property integer $id_user
 * @property integer $id_inventory_item_prev
 * @property integer $id_user
 * @property string $created_at
 * @property string $updated_at
 */
class InventoryItem extends BaseFitnessActiveRecord
{
    
    public static $TYPE_PRODUCT = 10;
    public static $TYPE_INVENTORY_GROUP = 20;
    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return 'inventory_item';
    }

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
        	[['count'],'integer'] ,
        	[['count'],'required'] ,
        ];
    }

    /**
     * @inheritdoc
     */
    public function attributeLabels()
    {
        return [
            'id_inventory_item' => Yii::t('common/inventory_item', 'Id Inventory Item'),
            'id_inventory' => Yii::t('common/inventory_item', 'Id Inventory'),
            'count_in' => Yii::t('common/inventory_item', 'Count In'),
            'count_sold' => Yii::t('common/inventory_item', 'Count Sold'),
            'count' => Yii::t('common/inventory_item', 'Leltározott mennyiség'),
            'type' => Yii::t('common/inventory_item', 'Type'),
            'id_product' => Yii::t('common/inventory_item', 'Id Product'),
            'id_inventory_group' => Yii::t('common/inventory_item', 'Id Inventory Group'),
            'id_user' => Yii::t('common/inventory_item', 'Id User'),
            'created_at' => Yii::t('common/inventory_item', 'Created At'),
            'updated_at' => Yii::t('common/inventory_item', 'Updated At'),
        ];
    }
    public function behaviors()
    {
    	return ArrayHelper::merge(  [
    			[
    					'class' => UserAwareBehavior::className(),
    			],
    			[
    					'class' => ProductAwareBehavior::className(),
    			]
    			], parent::behaviors());
    }

    public static function creqteQueryInventoryItems($id_inventory ) {
    	$query = InventoryItem::find();
    	
    	$query->andWhere(['inventory_item.id_inventory' => $id_inventory]);
    	return $query;
    }
    
    public function getProduct(){
    	return $this->hasOne( Product::className() , [ 'id_product' => 'id_product' ]);
    }
    
    public function getInventoryGroup(){
    	return $this->hasOne( Product::className() , [ 'id_inventory_group' => 'id_inventory_group' ]);
    }
    
    public function getProductName(){
    	$result = "";
    	
    	$product = $this->product;
    	
    	if ( isset($product)){
    		$result = $product->name;	
    	}
    	
    	return $result;
    }
    public function getInventoryGroupName(){
    	$result = "";
    	
    	$product = $this->inventoryGroup;
    	
    	if ( isset($product)){
    		$result = $product->name;	
    	}
    	
    	return $result;
    }
    
    public function getName(){
    	$name = "";
    
    	if ( isset($this->id_product )){
    		$name = $this->getProductName();
    	}else{
    		$name = $this->getInventoryGroupName();
    	}
    	
    	return $name;
    }
    
    
    public function getDifference(){
    	$diff =  $this->count - ( $this->count_prev + $this->count_in - $this->count_sold );
    	return $diff;
    	
    }
    
    
    public function afterSave($insert, $changedAttributes){
    	if ( !$insert ){
    		if ( $this->type == 'product'){
	    		$product = $this->product;
	    		$product->stock = $this->count;
	    		if ( !$product->save(false) ){
	    			\Yii::error("Failed to save product stock");
	    			throw new \Exception("A leltár elem mentése nem sikerült");
	    		}
    		}
    	}
    }
    
}