<?php
/**
* @author Amasty Team
* @copyright Copyright (c) 2022 Amasty (https://www.amasty.com)
* @package Magento 2 Base Package
*/

namespace Amasty\Base\Setup;

use Magento\Framework\DB\AggregatedFieldDataConverter;

class SerializedFieldDataConverter
{
/**
* @var \Magento\Framework\ObjectManagerInterface
*/
private $objectManager;

/**
* @var \Magento\Framework\App\ResourceConnection
*/
private $connectionResource;

public function __construct(
\Magento\Framework\ObjectManagerInterface $objectManager,
\Magento\Framework\App\ResourceConnection $connectionResource
) {
$this->objectManager = $objectManager;
$this->connectionResource = $connectionResource;
}

/**
* Convert metadata from serialized to JSON format:
*
* @param string|string[] $tableName
* @param string $identifierField
* @param string|string[] $fields
* @return void
*/
public function convertSerializedDataToJson($tableName, $identifierField, $fields)
{
/** @var AggregatedFieldDataConverter $aggregatedFieldConverter */
$fieldConverter = $this->objectManager->get(AggregatedFieldDataConverter::class);
$convertData = [];

if (is_array($fields)) {
foreach ($fields as $field) {
$convertData[] = $this->getConvertedData($tableName, $identifierField, $field);
}
} else {
$convertData[] = $this->getConvertedData($tableName, $identifierField, $fields);
}

$fieldConverter->convert(
$convertData,
$this->connectionResource->getConnection()
);
}

/**
* @param string|string[] $tableName
* @param string $identifierField
* @param string $field
* @return \Magento\Framework\DB\FieldToConvert
*/
protected function getConvertedData($tableName, $identifierField, $field)
{
$instance = new \Magento\Framework\DB\FieldToConvert(
\Magento\Framework\DB\DataConverter\SerializedToJson::class,
$this->connectionResource->getTableName($tableName),
$identifierField,
$field
);

return $instance;
}
}