<?php
/**
 * 2007-2019 PrestaShop and Contributors
 *
 * 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.txt.
 * 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://www.prestashop.com for more information.
 *
 * @author    PrestaShop SA <contact@prestashop.com>
 * @copyright 2007-2019 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
 * International Registered Trademark & Property of PrestaShop SA
 */

namespace PrestaShopBundle\Translation\Provider;

use PrestaShop\PrestaShop\Core\Exception\FileNotFoundException;
use Symfony\Component\Translation\Loader\LoaderInterface;
use Symfony\Component\Translation\MessageCatalogue;
use Symfony\Component\Translation\MessageCatalogueInterface;

/**
 * Able to search translations for a specific translation domains across multiple sources
 */
class SearchProvider extends AbstractProvider implements UseDefaultCatalogueInterface, UseModuleInterface
{
    /**
     * @var string the "modules" directory path
     */
    private $modulesDirectory;

    /**
     * @var ExternalModuleLegacySystemProvider
     */
    private $externalModuleLegacySystemProvider;

    public function __construct(
        LoaderInterface $databaseLoader,
        ExternalModuleLegacySystemProvider $externalModuleLegacySystemProvider,
        $resourceDirectory,
        $modulesDirectory
    ) {
        $this->modulesDirectory = $modulesDirectory;
        $this->externalModuleLegacySystemProvider = $externalModuleLegacySystemProvider;

        parent::__construct($databaseLoader, $resourceDirectory);
    }

    /**
     * Get domain.
     *
     * @deprecated since 1.7.6, to be removed in the next major
     *
     * @return mixed
     */
    public function getDomain()
    {
        @trigger_error(
            __METHOD__ . ' function is deprecated and will be removed in the next major',
            E_USER_DEPRECATED
        );

        return $this->domain;
    }

    /**
     * {@inheritdoc}
     */
    public function getTranslationDomains()
    {
        return ['^' . preg_quote($this->domain) . '([A-Z]|$)'];
    }

    /**
     * {@inheritdoc}
     */
    public function getFilters()
    {
        return ['#^' . preg_quote($this->domain, '#') . '([A-Z]|\.|$)#'];
    }

    /**
     * {@inheritdoc}
     */
    public function getIdentifier()
    {
        return 'search';
    }

    /**
     * {@inheritdoc}
     */
    public function getDefaultResourceDirectory()
    {
        return $this->resourceDirectory . DIRECTORY_SEPARATOR . 'default';
    }

    public function getDefaultCatalogue($empty = true)
    {
        try {
            $defaultCatalogue = parent::getDefaultCatalogue($empty);
        } catch (FileNotFoundException $e) {
            $defaultCatalogue = $this->externalModuleLegacySystemProvider->getDefaultCatalogue($empty);
            $defaultCatalogue = $this->filterCatalogue($defaultCatalogue);
        }

        return $defaultCatalogue;
    }

    /**
     * {@inheritdoc}
     */
    public function getXliffCatalogue()
    {
        try {
            $xliffCatalogue = parent::getXliffCatalogue();
        } catch (\Exception $e) {
            $xliffCatalogue = $this->externalModuleLegacySystemProvider->getXliffCatalogue();
            $xliffCatalogue = $this->filterCatalogue($xliffCatalogue);
        }

        return $xliffCatalogue;
    }

    /**
     * @deprecated since 1.7.6, to be removed in the next major
     *
     * @return string
     */
    public function getModuleDirectory()
    {
        @trigger_error(
            __METHOD__ . ' function is deprecated and will be removed in the next major',
            E_USER_DEPRECATED
        );

        return $this->modulesDirectory;
    }

    /**
     * {@inheritdoc}
     */
    public function setLocale($locale)
    {
        $this->externalModuleLegacySystemProvider->setLocale($locale);

        return parent::setLocale($locale);
    }

    /**
     * {@inheritdoc}
     */
    public function setModuleName($moduleName)
    {
        $this->externalModuleLegacySystemProvider->setModuleName($moduleName);
    }

    /**
     * Filters the catalogue so that only domains matching the filters are kept
     *
     * @param MessageCatalogueInterface $defaultCatalogue
     *
     * @return MessageCatalogueInterface
     */
    private function filterCatalogue(MessageCatalogueInterface $defaultCatalogue)
    {
        // return only elements whose domain matches the filters
        $filters = $this->getFilters();
        $allowedDomains = [];

        foreach ($defaultCatalogue->all() as $domain => $messages) {
            foreach ($filters as $filter) {
                if (preg_match($filter, $domain)) {
                    $allowedDomains[$domain] = $messages;
                    break;
                }
            }
        }

        $defaultCatalogue = new MessageCatalogue($this->getLocale(), $allowedDomains);

        return $defaultCatalogue;
    }
}
