<?php

/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */

namespace Icinga\Module\Icingadb\Controllers;

use Icinga\Module\Icingadb\Compat\UrlMigrator;
use Icinga\Module\Icingadb\Web\Controller;
use ipl\Web\Filter\QueryString;
use ipl\Web\Url;

class MigrateController extends Controller
{
    public function searchUrlAction()
    {
        $this->assertHttpMethod('post');
        if (! $this->getRequest()->isApiRequest()) {
            $this->httpBadRequest('No API request');
        }

        if (
            ! preg_match('/([^;]*);?/', $this->getRequest()->getHeader('Content-Type'), $matches)
            || $matches[1] !== 'application/json'
        ) {
            $this->httpBadRequest('No JSON content');
        }

        $urls = $this->getRequest()->getPost();

        $result = [];
        foreach ($urls as $urlString) {
            $url = Url::fromPath($urlString);
            $params = $url->onlyWith(['sort', 'limit', 'view', 'columns', 'page'])->getParams();
            $filter = $url->without(['sort', 'limit', 'view', 'columns', 'page'])->getParams();
            $filter = QueryString::parse((string) $filter);
            $nonStrictOriginalFilter = QueryString::render($filter);
            $filter = UrlMigrator::transformLegacyWildcardFilter($filter);
            $nonStrictUpdatedFilter = QueryString::render($filter);
            if ($nonStrictUpdatedFilter !== $nonStrictOriginalFilter) {
                // The original filter might be formatted loosely, so if we render it again,
                // it might look different although nothing changed
                $result[] = rawurldecode($url->setParams($params)->setFilter($filter)->getAbsoluteUrl());
            } else {
                $result[] = $urlString;
            }
        }

        $response = $this->getResponse()->json();
        $response->setSuccessData($result);

        $response->sendResponse();
    }
}