<?php

/**
 * webtrees: online genealogy
 * Copyright (C) 2020 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 <http://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace Fisharebest\Webtrees\Http\RequestHandlers;

use Fig\Http\Message\StatusCodeInterface;
use Fisharebest\Webtrees\Exceptions\HttpNotFoundException;
use Fisharebest\Webtrees\Individual;
use Fisharebest\Webtrees\Module\PedigreeMapModule;
use Fisharebest\Webtrees\Services\TreeService;
use Fisharebest\Webtrees\Site;
use Fisharebest\Webtrees\Tree;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;

use function redirect;

/**
 * Redirect URLs created by webtrees 1.x (and PhpGedView).
 */
class RedirectModulePhp implements RequestHandlerInterface
{
    /** @var TreeService */
    private $tree_service;

    /** @var PedigreeMapModule */
    private $pedigree_map_module;

    /**
     * @param PedigreeMapModule $pedigree_map_module
     * @param TreeService       $tree_service
     */
    public function __construct(PedigreeMapModule $pedigree_map_module, TreeService $tree_service)
    {
        $this->pedigree_map_module = $pedigree_map_module;
        $this->tree_service        = $tree_service;
    }

    /**
     * @param ServerRequestInterface $request
     *
     * @return ResponseInterface
     */
    public function handle(ServerRequestInterface $request): ResponseInterface
    {
        $query      = $request->getQueryParams();
        $ged        = $query['ged'] ?? Site::getPreference('DEFAULT_GEDCOM');
        $mod        = $query['mod'] ?? '';
        $mod_action = $query['mod_action'] ?? '';
        $rootid     = $query['rootid'] ?? '';

        $tree = $this->tree_service->all()->get($ged);

        if ($tree instanceof Tree) {
            switch ($mod . '/' . $mod_action) {
                case 'googlemap/pedigree_map':
                    // Pedigree map:
                    $individual = Individual::getInstance($rootid, $tree);
                    if ($individual instanceof Individual) {
                        $url = $this->pedigree_map_module->chartUrl($individual, [
                            'generations' => $query['PEDIGREE_GENERATIONS'] ?? PedigreeMapModule::DEFAULT_GENERATIONS,
                        ]);

                        return redirect($url, StatusCodeInterface::STATUS_MOVED_PERMANENTLY);
                    }
                    break;

                case 'tree/treeview':
                    // interactive tree:
                    $url = route('module', [
                        'module' => 'tree',
                        'action' => 'Chart',
                        'xref'   => $rootid,
                        'tree'   => $tree->name(),
                    ]);

                    return redirect($url, StatusCodeInterface::STATUS_MOVED_PERMANENTLY);
            }
        }

        throw new HttpNotFoundException();
    }
}