<?php

/*
 * Copyright (c) 2010-2022 Tim Düsterhus.
 *
 * Use of this software is governed by the Business Source License
 * included in the LICENSE file.
 *
 * Change Date: 2027-02-22
 *
 * On the date above, in accordance with the Business Source
 * License, use of this software will be governed by version 2
 * or later of the General Public License.
 */

namespace chat\system\command;

use chat\data\message\MessageAction;
use chat\data\room\Room;
use wcf\data\user\UserProfile;
use wcf\system\exception\PermissionDeniedException;
use wcf\system\exception\UserInputException;
use wcf\system\message\censorship\Censorship;
use wcf\system\WCF;

/**
 * MeCommand represents an action message.
 */
final class MeCommand extends AbstractCommand implements ICommand
{
    /**
     * @inheritDoc
     */
    public function getJavaScriptModuleName()
    {
        return 'Bastelstu.be/Chat/Command/Me';
    }

    /**
     * @inheritDoc
     */
    public function validate($parameters, Room $room, ?UserProfile $user = null)
    {
        if ($user === null) {
            $user = new UserProfile(WCF::getUser());
        }

        if (!$room->canWritePublicly($user)) {
            throw new PermissionDeniedException();
        }

        $text = $this->assertParameter($parameters, 'text');

        if (\mb_strlen($text) === 0) {
            throw new UserInputException(
                'message',
                WCF::getLanguage()->getDynamicVariable('wcf.global.form.error.empty')
            );
        }

        // validate message length
        if (\mb_strlen($text) > CHAT_MAX_LENGTH) {
            throw new UserInputException(
                'message',
                WCF::getLanguage()->getDynamicVariable(
                    'wcf.message.error.tooLong',
                    [
                        'maxTextLength' => CHAT_MAX_LENGTH,
                    ]
                )
            );
        }

        // search for censored words
        if (ENABLE_CENSORSHIP) {
            $result = Censorship::getInstance()->test($text);
            if ($result) {
                throw new UserInputException(
                    'message',
                    WCF::getLanguage()->getDynamicVariable(
                        'wcf.message.error.censoredWordsFound',
                        [
                            'censoredWords' => $result,
                        ]
                    )
                );
            }
        }
    }

    /**
     * @inheritDoc
     */
    public function execute($parameters, Room $room, ?UserProfile $user = null)
    {
        if ($user === null) {
            $user = new UserProfile(WCF::getUser());
        }

        $objectTypeID = $this->getMessageObjectTypeID('be.bastelstu.chat.messageType.me');
        (new MessageAction(
            [ ],
            'create',
            [
                'data' => [
                    'roomID' => $room->roomID,
                    'userID' => $user->userID,
                    'username' => $user->username,
                    'time' => TIME_NOW,
                    'objectTypeID' => $objectTypeID,
                    'payload' => \serialize([
                        'message' => $this->assertParameter($parameters, 'text'),
                    ]),
                ],
                'updateTimestamp' => true,
                'grantPoints' => true,
            ]
        ))->executeAction();
    }
}