<?php
/* For licensing terms, see /license.txt */

namespace Chamilo;

use Chamilo\CoreBundle\Component\Utils\ChamiloApi;
use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
use Symfony\Component\Config\Loader\LoaderInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\HttpKernel\Kernel as BaseKernel;
use Symfony\Component\Routing\RouteCollectionBuilder;

/**
 * Class Kernel.
 *
 * @package Chamilo
 */
class Kernel extends BaseKernel
{
    use MicroKernelTrait;

    const CONFIG_EXTS = '.{php,xml,yaml,yml}';

    /**
     * @return string
     */
    public function getCacheDir()
    {
        return $this->getProjectDir().'/var/cache/'.$this->environment;
    }

    /**
     * @return string
     */
    public function getLogDir()
    {
        return $this->getProjectDir().'/var/log';
    }

    /**
     * @return \Generator|\Symfony\Component\HttpKernel\Bundle\BundleInterface[]
     */
    public function registerBundles()
    {
        $contents = require $this->getProjectDir().'/config/bundles.php';
        foreach ($contents as $class => $envs) {
            if (isset($envs['all']) || isset($envs[$this->environment])) {
                yield new $class();
            }
        }
    }

    /**
     * @return string
     */
    public function getRootDir()
    {
        if (null === $this->rootDir) {
            $r = new \ReflectionObject($this);
            $this->rootDir = str_replace('\\', '/', dirname($r->getFileName()));
        }

        return $this->rootDir;
    }

    /**
     * Returns the real root path.
     *
     * @return string
     */
    public function getRealRootDir()
    {
        return realpath($this->getRootDir().'/../').'/';
    }

    /**
     * Returns the data path.
     *
     * @return string
     */
    public function getDataDir()
    {
        return $this->getRealRootDir().'data/';
    }

    /**
     * @return string
     */
    public function getAppDir()
    {
        return $this->getRealRootDir().'app/';
    }

    /**
     * @return string
     */
    public function getConfigDir()
    {
        return $this->getRealRootDir().'app/config/';
    }

    /**
     * @return string
     */
    public function getConfigurationFile()
    {
        return $this->getRealRootDir().'config/configuration.php';
    }

    /**
     * @param array $configuration
     */
    public function setApi(array $configuration)
    {
        new ChamiloApi($configuration);
    }

    /**
     * Check if system is installed
     * Checks the APP_INSTALLED env value.
     *
     * @return bool
     */
    public function isInstalled()
    {
        return !empty($this->getContainer()->getParameter('installed'));
    }

    /**
     * @return string
     */
    public function getUrlAppend()
    {
        return $this->getContainer()->getParameter('url_append');
    }

    /**
     * @param ContainerBuilder $container
     * @param LoaderInterface  $loader
     *
     * @throws \Exception
     */
    protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader)
    {
        $container->setParameter('container.autowiring.strict_mode', true);
        $container->setParameter('container.dumper.inline_class_loader', true);
        $confDir = $this->getProjectDir().'/config';
        $loader->load($confDir.'/packages/*'.self::CONFIG_EXTS, 'glob');
        if (is_dir($confDir.'/packages/'.$this->environment)) {
            $loader->load($confDir.'/packages/'.$this->environment.'/**/*'.self::CONFIG_EXTS, 'glob');
        }
        $loader->load($confDir.'/services'.self::CONFIG_EXTS, 'glob');
        $loader->load($confDir.'/services_'.$this->environment.self::CONFIG_EXTS, 'glob');
    }

    /**
     * @param RouteCollectionBuilder $routes
     *
     * @throws \Symfony\Component\Config\Exception\FileLoaderLoadException
     */
    protected function configureRoutes(RouteCollectionBuilder $routes)
    {
        $confDir = $this->getProjectDir().'/config';
        if (is_dir($confDir.'/routes/')) {
            $routes->import($confDir.'/routes/*'.self::CONFIG_EXTS, '/', 'glob');
        }
        if (is_dir($confDir.'/routes/'.$this->environment)) {
            $routes->import($confDir.'/routes/'.$this->environment.'/**/*'.self::CONFIG_EXTS, '/', 'glob');
        }
        $routes->import($confDir.'/routes'.self::CONFIG_EXTS, '/', 'glob');
    }
}