<?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)
 */

namespace PrestaShopBundle\Form\Admin\Sell\Order\Invoices;

use PrestaShop\PrestaShop\Core\Form\FormDataProviderInterface;

/**
 * Class is responsible of managing the data manipulated using invoice generation by order status form
 * in "Sell > Orders > Invoices" page.
 */
final class InvoicesByStatusDataProvider implements FormDataProviderInterface
{
    /**
     * {@inheritdoc}
     */
    public function getData()
    {
        return [];
    }

    /**
     * {@inheritdoc}
     */
    public function setData(array $data)
    {
        // This form doesn't need to save any data, so it only validates the data
        return $this->validate($data);
    }

    /**
     * Perform validations on form data.
     *
     * @param array $data
     *
     * @return array Array of errors if any
     */
    private function validate(array $data)
    {
        $errors = [];
        $orderStates = $data['order_states'];

        if (!is_array($orderStates) || !count($orderStates)) {
            $errors[] = [
                'key' => 'You must select at least one order status.',
                'domain' => 'Admin.Orderscustomers.Notification',
                'parameters' => [],
            ];
        }

        return $errors;
    }
}