<?php

namespace common\models;

use Yii;
use yii\helpers\ArrayHelper;

/**
 * This is the model class for table "{{%region}}".
 *
 * @property string $id
 * @property string $name
 * @property integer $parent_id
 * @property integer $level
 */
class Region extends \yii\db\ActiveRecord
{
    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return '{{%region}}';
    }

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['id', 'name', 'parent_id', 'level'], 'required'],
            [['id', 'parent_id', 'level'], 'integer'],
            [['name'], 'string', 'max' => 100],
        ];
    }

    /**
     * @inheritdoc
     */
    public function attributeLabels()
    {
        return [
            'id' => Yii::t('common', 'ID'),
            'name' => Yii::t('common', 'Name'),
            'parent_id' => Yii::t('common', 'Parent ID'),
            'level' => Yii::t('common', 'Level'),
        ];
    }

    /**
     * @inheritdoc
     * @return \common\models\query\RegionQuery the active query used by this AR class.
     */
    public static function find()
    {
        return new \common\models\query\RegionQuery(get_called_class());
    }

    public static function getRegion($parentId = 0)
    {
        $result = static::find()->where(['parent_id' => $parentId])->asArray()->all();
        return ArrayHelper::map($result, 'id', 'name');
    }

    public static function getNameById($id = 0)
    {
        $name = '';
        $result = static::findOne(['id'=>$id]);
        if($result){
            $name = $result->name;
        }
        return $name;
    }
}