<?php
/**
 * Shopware 5
 * Copyright (c) shopware AG
 *
 * According to our dual licensing model, this program can be used either
 * under the terms of the GNU Affero General Public License, version 3,
 * or under a proprietary license.
 *
 * The texts of the GNU Affero General Public License with an additional
 * permission and of our proprietary license can be found at and
 * in the LICENSE file you have received along with this program.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * "Shopware" is a registered trademark of shopware AG.
 * The licensing of the program under the AGPLv3 does not imply a
 * trademark license. Therefore any rights, title and interest in
 * our trademarks remain entirely with us.
 */

namespace Shopware\Components\DependencyInjection\Bridge;

use Doctrine\Common\Annotations\AnnotationRegistry;
use Doctrine\Common\EventManager;
use Doctrine\DBAL\DriverManager;
use Doctrine\ORM\Mapping\Driver\AnnotationDriver;
use Shopware\Components\Model\Configuration;
use Shopware\Components\Model\LazyFetchModelEntity;
use Shopware\Components\Model\ModelManager;

/**
 * Wrapper service class for the doctrine entity manager.
 * The factory function creates the new instance of the entity manager.
 * The class constructor injects all required components and services
 * which required for the entity manager.
 *
 * @category  Shopware
 * @package   Shopware\Components\DependencyInjection\Bridge
 * @copyright Copyright (c) shopware AG (http://www.shopware.de)
 */
class Models
{
    /**
     * Creates the entity manager for the application.
     *
     * @param EventManager      $eventManager
     * @param Configuration     $config
     * @param \Enlight_Loader   $loader
     * @param \Pdo              $db
     * @param string            $kernelRootDir
     * @param AnnotationDriver  $modelAnnotation
     *
     * @return ModelManager
     */
    public function factory(
        EventManager $eventManager,
        Configuration $config,
        \Enlight_Loader $loader,
        \PDO $db,
        $kernelRootDir,
        // annotation driver is not really used here but has to be loaded first
        AnnotationDriver $modelAnnotation
    ) {
        $vendorPath = $kernelRootDir . '/vendor';

        // register standard doctrine annotations
        AnnotationRegistry::registerFile(
            $vendorPath . '/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/DoctrineAnnotations.php'
        );

        // register symfony validation annotations
        AnnotationRegistry::registerAutoloadNamespace(
            'Symfony\Component\Validator\Constraint',
            realpath($vendorPath . '/symfony/validator')
        );

        $loader->registerNamespace(
            'Shopware\Models\Attribute',
            $config->getAttributeDir()
        );

        // now create the entity manager and use the connection
        // settings we defined in our application.ini
        $conn = DriverManager::getConnection(
            array('pdo' => $db),
            $config,
            $eventManager
        );

        $conn->getDatabasePlatform()->registerDoctrineTypeMapping('enum', 'string');
        $conn->getDatabasePlatform()->registerDoctrineTypeMapping('bit', 'boolean');

        $entityManager = ModelManager::createInstance(
            $conn,
            $config,
            $eventManager
        );

        LazyFetchModelEntity::setEntityManager($entityManager);

        $this->generateAttributeModels($entityManager);

        return $entityManager;
    }

    /**
     * @param ModelManager $entityManager
     */
    protected function generateAttributeModels($entityManager)
    {
        // CustomerGroup model is arbitrarily chosen
        if (!class_exists('Shopware\Models\Attribute\CustomerGroup')) {
            $entityManager->generateAttributeModels();
        }
    }
}
