<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpKernel\Config;

use Symfony\Component\Config\FileLocator as BaseFileLocator;
use Symfony\Component\HttpKernel\KernelInterface;

/**
 * FileLocator uses the KernelInterface to locate resources in bundles.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class FileLocator extends BaseFileLocator
{
    private $kernel;

    /**
     * @deprecated since Symfony 4.4
     */
    private $path;

    public function __construct(KernelInterface $kernel/*, string $path = null, array $paths = [], bool $triggerDeprecation = true*/)
    {
        $this->kernel = $kernel;

        if (2 <= \func_num_args()) {
            $this->path = func_get_arg(1);
            $paths = 3 <= \func_num_args() ? func_get_arg(2) : [];
            if (null !== $this->path) {
                $paths[] = $this->path;
            }

            if (4 !== \func_num_args() || func_get_arg(3)) {
                @trigger_error(sprintf('Passing more than one argument to %s is deprecated since Symfony 4.4 and will be removed in 5.0.', __METHOD__), E_USER_DEPRECATED);
            }
        } else {
            $paths = [];
        }

        parent::__construct($paths);
    }

    /**
     * {@inheritdoc}
     */
    public function locate($file, $currentPath = null, $first = true)
    {
        if (isset($file[0]) && '@' === $file[0]) {
            return $this->kernel->locateResource($file, $this->path, $first, false);
        }

        $locations = parent::locate($file, $currentPath, $first);

        if (isset($file[0]) && !(
            '/' === $file[0] || '\\' === $file[0]
            || (\strlen($file) > 3 && ctype_alpha($file[0]) && ':' === $file[1] && ('\\' === $file[2] || '/' === $file[2]))
            || null !== parse_url($file, PHP_URL_SCHEME)
        )) {
            $deprecation = false;

            // no need to trigger deprecations when the loaded file is given as absolute path
            foreach ($this->paths as $deprecatedPath) {
                foreach ((array) $locations as $location) {
                    if (null !== $currentPath && 0 === strpos($location, $currentPath)) {
                        return $locations;
                    }

                    if (0 === strpos($location, $deprecatedPath) && (null === $currentPath || false === strpos($location, $currentPath))) {
                        $deprecation = sprintf('Loading the file "%s" from the global resource directory "%s" is deprecated since Symfony 4.4 and will be removed in 5.0.', $file, $deprecatedPath);
                    }
                }
            }

            if ($deprecation) {
                @trigger_error($deprecation, E_USER_DEPRECATED);
            }
        }

        return $locations;
    }
}
