<?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: 2026-03-04
 *
 * 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\acp\form;

use chat\data\room\Room;
use chat\data\room\RoomAction;
use chat\data\room\RoomEditor;
use wcf\data\package\PackageCache;
use wcf\form\AbstractForm;
use wcf\system\acl\ACLHandler;
use wcf\system\exception\UserInputException;
use wcf\system\language\I18nHandler;
use wcf\system\WCF;

/**
 * Shows the room add form.
 */
class RoomAddForm extends AbstractForm
{
    /**
     * @inheritDoc
     */
    public $activeMenuItem = 'chat.acp.menu.link.room.add';

    /**
     * @inheritDoc
     */
    public $neededPermissions = [
        'admin.chat.canManageRoom',
    ];

    /**
     * Object type ID of the ACL object type for rooms.
     * @var int
     */
    public $aclObjectTypeID = 0;

    /**
     * Chat room title.
     * @var string
     */
    public $title = '';

    /**
     * Chat room topic.
     * @var string
     */
    public $topic = '';

    /**
     * Whether HTML should be interpreted in the room's topic.
     * @var boolean
     */
    public $topicUseHtml = false;

    /**
     * Chat room user limit.
     * @var int
     */
    public $userLimit = 0;

    /**
     * @inheritDoc
     */
    public function readParameters()
    {
        parent::readParameters();

        I18nHandler::getInstance()->register('title');
        I18nHandler::getInstance()->register('topic');

        $this->aclObjectTypeID = ACLHandler::getInstance()->getObjectTypeID('be.bastelstu.chat.room');
    }

    /**
     * @inheritDoc
     */
    public function readFormParameters()
    {
        parent::readFormParameters();

        // read i18n values
        I18nHandler::getInstance()->readValues();

        // handle i18n plain input
        if (I18nHandler::getInstance()->isPlainValue('title')) {
            $this->title = I18nHandler::getInstance()->getValue('title');
        }
        if (I18nHandler::getInstance()->isPlainValue('topic')) {
            $this->topic = I18nHandler::getInstance()->getValue('topic');
        }
        if (isset($_POST['userLimit'])) {
            $this->userLimit = \intval($_POST['userLimit']);
        }
        if (isset($_POST['topicUseHtml'])) {
            $this->topicUseHtml = true;
        }
    }

    /**
     * @inheritDoc
     */
    public function validate()
    {
        parent::validate();

        // validate title
        if (!I18nHandler::getInstance()->validateValue('title')) {
            if (I18nHandler::getInstance()->isPlainValue('title')) {
                throw new UserInputException('title');
            } else {
                throw new UserInputException('title', 'multilingual');
            }
        }

        // validate topic
        if (!I18nHandler::getInstance()->validateValue('topic', false, true)) {
            throw new UserInputException('topic');
        }

        if (\mb_strlen($this->topic) > 10000) {
            throw new UserInputException('topic', 'tooLong');
        }

        if ($this->userLimit < 0) {
            throw new UserInputException('userLimit', 'negative');
        }
    }

    /**
     * @inheritDoc
     */
    public function save()
    {
        parent::save();

        $fields = [
            'title' => $this->title,
            'topic' => $this->topic,
            'topicUseHtml' => (int)$this->topicUseHtml,
            'userLimit' => $this->userLimit,
            'position' => 0, // TODO
        ];

        // create room
        $this->objectAction = new RoomAction(
            [ ],
            'create',
            [
                'data' => \array_merge(
                    $this->additionalFields,
                    $fields
                ),
            ]
        );
        $returnValues = $this->objectAction->executeAction();

        // save i18n values
        $this->saveI18nValue(
            $returnValues['returnValues'],
            [
                'title',
                'topic',
            ]
        );

        // save ACL
        ACLHandler::getInstance()->save($returnValues['returnValues']->roomID, $this->aclObjectTypeID);

        $this->saved();

        // reset values
        $this->title = $this->topic = '';
        $this->userLimit = 0;
        $this->topicUseHtml = false;

        I18nHandler::getInstance()->reset();
        ACLHandler::getInstance()->disableAssignVariables();

        // show success message
        WCF::getTPL()->assign('success', true);
    }

    /**
     * Saves i18n values.
     *
     * @param   Room      $room
     * @param   string[]  $columns
     */
    public function saveI18nValue(Room $room, $columns)
    {
        $data = [ ];

        foreach ($columns as $columnName) {
            $languageItem = 'chat.room.room' . $room->roomID . '.' . $columnName;

            if (I18nHandler::getInstance()->isPlainValue($columnName)) {
                if ($room->{$columnName} === $languageItem) {
                    I18nHandler::getInstance()->remove($languageItem);
                }
            } else {
                $packageID = PackageCache::getInstance()->getPackageID('be.bastelstu.chat');

                I18nHandler::getInstance()->save(
                    $columnName,
                    $languageItem,
                    'chat.room',
                    $packageID
                );

                $data[$columnName] = $languageItem;
            }
        }

        if (!empty($data)) {
            (new RoomEditor($room))->update($data);
        }
    }

    /**
     * @inheritDoc
     */
    public function assignVariables()
    {
        parent::assignVariables();

        ACLHandler::getInstance()->assignVariables($this->aclObjectTypeID);
        I18nHandler::getInstance()->assignVariables();

        WCF::getTPL()->assign([
            'action' => 'add',
            'aclObjectTypeID' => $this->aclObjectTypeID,
            'userLimit' => $this->userLimit,
            'topicUseHtml' => $this->topicUseHtml,
        ]);
    }
}