<?php

/**
 * webtrees: online genealogy
 * Copyright (C) 2021 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\Http\RequestHandlers;

use Fisharebest\Webtrees\Auth;
use Fisharebest\Webtrees\Fact;
use Fisharebest\Webtrees\Http\ViewResponseTrait;
use Fisharebest\Webtrees\I18N;
use Fisharebest\Webtrees\Registry;
use Fisharebest\Webtrees\Services\GedcomEditService;
use Fisharebest\Webtrees\SurnameTradition;
use Fisharebest\Webtrees\Tree;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;

use function array_map;
use function assert;
use function is_string;
use function route;

/**
 * Add a new spouse to an individual, creating a new family.
 */
class AddSpouseToIndividualPage implements RequestHandlerInterface
{
    use ViewResponseTrait;

    // Create mixed-sex couples by default
    private const OPPOSITE_SEX = [
        'F' => 'M',
        'M' => 'F',
        'U' => 'U',
    ];

    private GedcomEditService $gedcom_edit_service;

    /**
     * LinkSpouseToIndividualPage constructor.
     *
     * @param GedcomEditService $gedcom_edit_service
     */
    public function __construct(GedcomEditService $gedcom_edit_service)
    {
        $this->gedcom_edit_service = $gedcom_edit_service;
    }

    /**
     * @param ServerRequestInterface $request
     *
     * @return ResponseInterface
     */
    public function handle(ServerRequestInterface $request): ResponseInterface
    {
        $tree = $request->getAttribute('tree');
        assert($tree instanceof Tree);

        $xref = $request->getAttribute('xref');
        assert(is_string($xref));

        $individual = Registry::individualFactory()->make($xref, $tree);
        $individual = Auth::checkIndividualAccess($individual, true);

        // Create a dummy individual, so that we can create new/empty facts.
        $sex     = self::OPPOSITE_SEX[$individual->sex()];
        $dummyi  = Registry::individualFactory()->new('', '0 @@ INDI', null, $tree);
        $dummyf  = Registry::familyFactory()->new('', '0 @@ FAM', null, $tree);

        // Name facts.
        $surname_tradition = SurnameTradition::create($tree->getPreference('SURNAME_TRADITION'));
        $names             = $surname_tradition->newSpouseNames($individual, $sex);
        $name_facts        = array_map(static fn (string $gedcom): Fact => new Fact($gedcom, $dummyi, ''), $names);

        // Individual facts and events.
        $quick_facts = explode(',', $tree->getPreference('QUICK_REQUIRED_FACTS'));
        $indi_facts  = array_map(static fn (string $fact): Fact => new Fact('1 ' . $fact, $dummyi, ''), $quick_facts);

        // Family facts and events.
        $quick_facts = explode(',', $tree->getPreference('QUICK_REQUIRED_FAMFACTS'));
        $fam_facts  = array_map(static fn (string $fact): Fact => new Fact('1 ' . $fact, $dummyf, ''), $quick_facts);

        $facts = [
            'i' => [
                new Fact('1 SEX ' . $sex, $dummyi, ''),
                ...$name_facts,
                ...$indi_facts,
            ],
            'f' => [
                ...$fam_facts,
            ],
        ];

        $titles = [
            'F' => I18N::translate('Add a wife'),
            'M' => I18N::translate('Add a husband'),
            'U' => I18N::translate('Add a spouse'),
        ];

        $title = $titles[$sex];

        return $this->viewResponse('edit/new-individual', [
            'cancel_url'          => $individual->url(),
            'facts'               => $facts,
            'gedcom_edit_service' => $this->gedcom_edit_service,
            'post_url'            => route(AddSpouseToIndividualAction::class, ['tree' => $tree->name(), 'xref' => $xref]),
            'title'               => $individual->fullName() . ' - ' . $title,
            'tree'                => $tree,
            'url'                 => $request->getQueryParams()['url'] ?? $individual->url(),
        ]);
    }
}