<?php

// {{{ License

// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.

// }}}

namespace Plugin\PollPlugin\Controller;

use App\Core\DB\DB;
use App\Entity\Poll;
use App\Entity\PollResponse;
use App\Util\Common;
use App\Util\Exception\InvalidFormException;
use App\Util\Exception\NotFoundException;
use App\Util\Exception\RedirectException;
use App\Util\Exception\ServerException;
use Plugin\PollPlugin\Forms\PollResponseForm;
use Symfony\Component\HttpFoundation\Request;

class RespondPoll
{
    /**
     * Handle poll response
     *
     * @param Request $request
     * @param string  $id      poll id
     *
     * @throws InvalidFormException               invalid form
     * @throws NotFoundException                  poll does not exist
     * @throws RedirectException
     * @throws ServerException                    User already responded to poll
     * @throws \App\Util\Exception\NoLoggedInUser User is not logged in
     *
     * @return array template
     */
    public function respondpoll(Request $request, string $id)
    {
        $user = Common::ensureLoggedIn();

        $poll = Poll::getFromId((int) $id);
        //var_dump($poll);

        if ($poll == null) {
            throw new NotFoundException('Poll does not exist');
        }
        $question = $poll->getQuestion();
        // echo $question;
        $opts = $poll->getOptionsArr();
        //var_dump($opts);

        $form = PollResponseForm::make($opts);

        $form->handleRequest($request);
        if ($form->isSubmitted()) {
            if ($form->isValid()) {
                $data      = $form->getData();
                $selection = array_values($data)[1];
                //echo $selection;
                if (!$poll->isValidSelection($selection)) {
                    throw new InvalidFormException();
                }
                if (PollResponse::exits($poll->getId(), $user->getId())) {
                    throw new ServerException('User already responded to poll');
                }

                $pollResponse = PollResponse::create(['poll_id' => $poll->getId(), 'gsactor_id' => $user->getId(), 'selection' => $selection]);
                DB::persist($pollResponse);
                DB::flush();
                //var_dump($pollResponse);
                throw new RedirectException('showpoll', ['id' => $poll->getId()]);
            } else {
                throw new InvalidFormException();
            }
        }

        return ['_template' => 'Poll/respondpoll.html.twig', 'question' => $question, 'form' => $form->createView()];
    }
}