<?php

declare(strict_types=1);

namespace Sabre\DAV\Browser;

use Sabre\DAV;
use Sabre\HTTP\RequestInterface;
use Sabre\HTTP\ResponseInterface;

/**
 * This is a simple plugin that will map any GET request for non-files to
 * PROPFIND allprops-requests.
 *
 * This should allow easy debugging of PROPFIND
 *
 * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
 * @author Evert Pot (http://evertpot.com/)
 * @license http://sabre.io/license/ Modified BSD License
 */
class MapGetToPropFind extends DAV\ServerPlugin
{
    /**
     * reference to server class.
     *
     * @var DAV\Server
     */
    protected $server;

    /**
     * Initializes the plugin and subscribes to events.
     *
     * @param DAV\Server $server
     */
    public function initialize(DAV\Server $server)
    {
        $this->server = $server;
        $this->server->on('method:GET', [$this, 'httpGet'], 90);
    }

    /**
     * This method intercepts GET requests to non-files, and changes it into an HTTP PROPFIND request.
     *
     * @param RequestInterface  $request
     * @param ResponseInterface $response
     *
     * @return bool
     */
    public function httpGet(RequestInterface $request, ResponseInterface $response)
    {
        $node = $this->server->tree->getNodeForPath($request->getPath());
        if ($node instanceof DAV\IFile) {
            return;
        }

        $subRequest = clone $request;
        $subRequest->setMethod('PROPFIND');

        $this->server->invokeMethod($subRequest, $response);

        return false;
    }
}