<?php

/**
 * webtrees: online genealogy
 * Copyright (C) 2022 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 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 General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace Fisharebest\Webtrees\Factories;

use Fisharebest\Flysystem\Adapter\ChrootAdapter;
use Fisharebest\Webtrees\Contracts\FilesystemFactoryInterface;
use Fisharebest\Webtrees\Site;
use Fisharebest\Webtrees\Tree;
use League\Flysystem\Filesystem;
use League\Flysystem\FilesystemOperator;
use League\Flysystem\Local\LocalFilesystemAdapter;

use function realpath;

/**
 * Make a filesystem.
 */
class FilesystemFactory implements FilesystemFactoryInterface
{
    private const ROOT_DIR = __DIR__ . '/../..';

    /**
     * Create a filesystem for the user's data folder.
     *
     * @param string $path_prefix
     *
     * @return FilesystemOperator
     */
    public function data(string $path_prefix = ''): FilesystemOperator
    {
        $folder     = Site::getPreference('INDEX_DIRECTORY');
        $adapter    = new LocalFilesystemAdapter($folder);
        $filesystem = new Filesystem($adapter);

        if ($path_prefix === '') {
            return $filesystem;
        }

        return new Filesystem(new ChrootAdapter($filesystem, $path_prefix));
    }

    /**
     * Describe a filesystem for the user's data folder.
     *
     * @return string
     */
    public function dataName(): string
    {
        return Site::getPreference('INDEX_DIRECTORY');
    }

    /**
     * Create a filesystem for a tree's media folder.
     *
     * @param Tree $tree
     *
     * @return FilesystemOperator
     *
     * @deprecated - Will be removed in webtrees 2.2.  Use mediaFilesystem() directly.
     */
    public function media(Tree $tree): FilesystemOperator
    {
        return $tree->mediaFilesystem();
    }

    /**
     * Create a filesystem for the application's root folder.
     *
     * @param string $path_prefix
     *
     * @return FilesystemOperator
     */
    public function root(string $path_prefix = ''): FilesystemOperator
    {
        $folder     = self::ROOT_DIR;
        $adapter    = new LocalFilesystemAdapter($folder);
        $filesystem = new Filesystem($adapter);

        if ($path_prefix === '') {
            return $filesystem;
        }

        return new Filesystem(new ChrootAdapter($filesystem, $path_prefix));
    }

    /**
     * Describe a filesystem for the application's root folder.
     *
     * @return string
     */
    public function rootName(): string
    {
        return realpath(self::ROOT_DIR) . '/';
    }
}