RocketChat/Rocket.Chat

import type { AtLeast, IUser } from '@rocket.chat/core-typings';

import { settings } from '../../app/settings/server';

export function getSubscriptionAutotranslateDefaultConfig(user: AtLeast<IUser, 'settings'>):
    | {
            autoTranslate: boolean;
            autoTranslateLanguage: string;
      }
    | undefined {
    if (!settings.get('AutoTranslate_AutoEnableOnJoinRoom')) {
        return;
    }

    const languageSetting = settings.get('Language');

    const { language: userLanguage } = user.settings?.preferences || {};
    if (!userLanguage || userLanguage === 'default' || languageSetting === userLanguage) {
        return;
    }

    return { autoTranslate: true, autoTranslateLanguage: userLanguage };
}