<?php
namespace Stemcell\ChineseDirectory\Model;

use Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection;
use Magento\Framework\ObjectManagerInterface;

class CollectionFactory
{
    protected ObjectManagerInterface $_objectManager;

    public function __construct(
        ObjectManagerInterface $_objectManager
    ) {
        $this->_objectManager = $_objectManager;
    }

    /**
     * @param String $collectionType
     * @param array $data
     * @return AbstractCollection
     */
    public function create(String $collectionType, array $data = []) {
        $collection = 'Stemcell\ChineseDirectory\Model\ResourceModel\\'.ucfirst($collectionType).'\Collection';
        if (strtolower($collectionType)==='region') {
            $collection = 'Magento\Directory\Model\ResourceModel\Region\Collection';
        }
        return $this->_objectManager->create($collection, $data);
    }
}