<?php

declare(strict_types=1);

/*
 * This file is part of the humbug/php-scoper package.
 *
 * Copyright (c) 2017 Théo FIDRY <theo.fidry@gmail.com>,
 *                    Pádraic Brady <padraic.brady@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Humbug\PhpScoper\Scoper;

use Humbug\PhpScoper\Scoper;
use Humbug\PhpScoper\Whitelist;
use function array_reduce;
use function func_get_args;

final class PatchScoper implements Scoper
{
    private $decoratedScoper;

    public function __construct(Scoper $decoratedScoper)
    {
        $this->decoratedScoper = $decoratedScoper;
    }

    /**
     * @inheritdoc
     */
    public function scope(string $filePath, string $contents, string $prefix, array $patchers, Whitelist $whitelist): string
    {
        return (string) array_reduce(
            $patchers,
            static function (string $contents, callable $patcher) use ($filePath, $prefix): string {
                return $patcher($filePath, $prefix, $contents);
            },
            $this->decoratedScoper->scope(...func_get_args())
        );
    }
}