<?php
/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.md.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/OSL-3.0
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please refer to https://devdocs.prestashop.com/ for more information.
 *
 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
 */

declare(strict_types=1);

namespace PrestaShopBundle\Form\DataTransformer;

use Symfony\Component\Form\Exception\TransformationFailedException;
use Symfony\Component\Form\Extension\Core\DataTransformer\NumberToLocalizedStringTransformer;

/**
 * Transforms between a normalized format and a localized money string.
 * (Copy from Symfony/Component/Form/Extension/Core/DataTransformer/MoneyToLocalizedStringTransformer.php to add $locale in it!)
 */
class MoneyToLocalizedStringTransformer extends NumberToLocalizedStringTransformer
{
    private $divisor;

    public function __construct(?int $scale = 2, ?bool $grouping = true, ?int $roundingMode = self::ROUND_HALF_UP, ?int $divisor = 1, string $locale = null)
    {
        parent::__construct($scale ?? 2, $grouping ?? true, $roundingMode, $locale);

        $this->divisor = $divisor ?? 1;
    }

    /**
     * Transforms a normalized format into a localized money string.
     *
     * @param int|float|null $value Normalized number
     *
     * @return string Localized money string
     *
     * @throws TransformationFailedException if the given value is not numeric or
     *                                       if the value can not be transformed
     */
    public function transform($value)
    {
        if (null !== $value && 1 !== $this->divisor) {
            if (!is_numeric($value)) {
                throw new TransformationFailedException('Expected a numeric.');
            }
            $value /= $this->divisor;
        }

        return parent::transform($value);
    }

    /**
     * Transforms a localized money string into a normalized format.
     *
     * @param string $value Localized money string
     *
     * @return int|float|null Normalized number
     *
     * @throws TransformationFailedException if the given value is not a string
     *                                       or if the value can not be transformed
     */
    public function reverseTransform($value)
    {
        $value = parent::reverseTransform($value);
        if (null !== $value && 1 !== $this->divisor) {
            $value = (float) (string) ($value * $this->divisor);
        }

        return $value;
    }
}