<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

namespace Magento\CatalogInventory\Setup\Patch\Data;

use Magento\Framework\DB\DataConverter\SerializedToJson;
use Magento\Framework\DB\FieldDataConverterFactory;
use Magento\Framework\DB\Select\QueryModifierFactory;
use Magento\Framework\Setup\ModuleDataSetupInterface;
use Magento\Framework\Setup\Patch\DataPatchInterface;
use Magento\Framework\Setup\Patch\PatchVersionInterface;

/**
 * Class to convert serialized data to json.
 */
class ConvertSerializedDataToJson implements DataPatchInterface, PatchVersionInterface
{
    /**
     * @var ModuleDataSetupInterface
     */
    private $moduleDataSetup;

    /**
     * @var FieldDataConverterFactory
     */
    private $fieldDataConverterFactory;

    /**
     * @var QueryModifierFactory
     */
    private $queryModifierFactory;

    /**
     * ConvertSerializedDataToJson constructor.
     * @param ModuleDataSetupInterface $moduleDataSetup
     * @param FieldDataConverterFactory $fieldDataConverterFactory
     * @param QueryModifierFactory $queryModifierFactory
     */
    public function __construct(
        ModuleDataSetupInterface $moduleDataSetup,
        FieldDataConverterFactory $fieldDataConverterFactory,
        QueryModifierFactory $queryModifierFactory
    ) {
        $this->moduleDataSetup = $moduleDataSetup;
        $this->fieldDataConverterFactory = $fieldDataConverterFactory;
        $this->queryModifierFactory = $queryModifierFactory;
    }

    /**
     * @inheritdoc
     */
    public function apply()
    {
        $select = $this->moduleDataSetup->getConnection()
            ->select()
            ->from(
                $this->moduleDataSetup->getTable('core_config_data'),
                ['config_id', 'value']
            )
            ->where('path = ?', 'cataloginventory/item_options/min_sale_qty');

        $rows = $this->moduleDataSetup->getConnection()->fetchAssoc($select);
        $serializedRows = array_filter($rows, function ($row) {
            return $this->isSerialized($row['value']);
        });

        $fieldDataConverter = $this->fieldDataConverterFactory->create(SerializedToJson::class);
        $queryModifier = $this->queryModifierFactory->create(
            'in',
            [
                'values' => [
                    'config_id' => array_keys($serializedRows)
                ]
            ]
        );

        $fieldDataConverter->convert(
            $this->moduleDataSetup->getConnection(),
            $this->moduleDataSetup->getTable('core_config_data'),
            'config_id',
            'value',
            $queryModifier
        );

        return $this;
    }

    /**
     * Check if value is a serialized string
     *
     * @param string $value
     * @return boolean
     */
    private function isSerialized($value)
    {
        return $value && preg_match('/^((s|i|d|b|a|O|C):|N;)/', $value);
    }

    /**
     * @inheritdoc
     */
    public static function getDependencies()
    {
        return [
            UpdateStockItemsWebsite::class,
        ];
    }

    /**
     * @inheritdoc
     */
    public static function getVersion()
    {
        return '2.2.1';
    }

    /**
     * @inheritdoc
     */
    public function getAliases()
    {
        return [];
    }
}