<?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 Academic Free License version 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/AFL-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.
 *
 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
 */

declare(strict_types=1);

namespace PrestaShop\Module\Mbo\Service;

use PrestaShop\Module\Mbo\Helpers\UrlHelper;
use PrestaShop\Module\Mbo\Module\Repository;
use PrestaShopBundle\Service\Routing\Router;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;

class ModulesHelper
{
    /**
     * @var Repository
     */
    private $moduleRepository;

    /**
     * @var Router
     */
    private $router;

    public function __construct(
        Repository $repository,
        Router $router
    ) {
        $this->moduleRepository = $repository;
        $this->router = $router;
    }

    public function findForUpdates(string $moduleName): array
    {
        $currentVersion = $availableVersion = $installUrl = $upgradeUrl = null;
        $upgradeAvailable = false;

        $db = \Db::getInstance();
        $request = 'SELECT `version` FROM `' . _DB_PREFIX_ . "module` WHERE name='" . $moduleName . "'";

        /** @var string|false $moduleCurrentVersion */
        $moduleCurrentVersion = $db->getValue($request);

        if ($moduleCurrentVersion) {
            $currentVersion = $moduleCurrentVersion;
        } else {
            $installUrl = UrlHelper::transformToAbsoluteUrl(
                $this->router->generate(
                    'admin_module_manage_action',
                    [
                        'action' => 'install',
                        'module_name' => $moduleName,
                    ],
                    UrlGeneratorInterface::ABSOLUTE_URL
                )
            );
        }

        // We need to clear cache to get fresh data from addons. We clear it every 1h
        $cacheAge = $this->moduleRepository->getCacheAge();
        if (null !== $cacheAge && ((time() - $cacheAge) > 60*60)) {
            $this->moduleRepository->clearCache();
        }

        $module = $this->moduleRepository->getModule($moduleName);

        if (null !== $module) {
            $availableVersion = (string)$module->get('version_available');

            // If the current installed version is >= than the one returned by Addons, an upgrade is available
            if (
                null !== $availableVersion
                && null !== $currentVersion
                && version_compare($availableVersion, $currentVersion, 'gt')
            ) {
                $upgradeAvailable = true;
                $upgradeUrl = UrlHelper::transformToAbsoluteUrl(
                    $this->router->generate(
                        'admin_module_manage_action',
                        [
                            'action' => 'upgrade',
                            'module_name' => $moduleName,
                        ],
                        UrlGeneratorInterface::ABSOLUTE_URL
                    )
                );
            }
        }

        return [
            'current_version' => $currentVersion,
            'available_version' => $availableVersion,
            'upgrade_available' => $upgradeAvailable,
            'urls' => [
                'install' => $installUrl,
                'upgrade' => $upgradeUrl,
            ]
        ];
    }
}