RocketChat/Rocket.Chat

import { useUserId } from '@rocket.chat/ui-contexts';
import { useMemo, useCallback } from 'react';

import OTR from '../../app/otr/client/OTR';
import type { OTRRoom } from '../../app/otr/client/OTRRoom';
import { OtrRoomState } from '../../app/otr/lib/OtrRoomState';
import { useRoom } from '../views/room/contexts/RoomContext';
import { useReactiveValue } from './useReactiveValue';

export const useOTR = (): { otr: OTRRoom | undefined; otrState: OtrRoomState } => {
    const uid = useUserId();
    const room = useRoom();

    const otr = useMemo(() => {
        if (!uid || !room) {
            return;
        }

        return OTR.getInstanceByRoomId(uid, room._id);
    }, [uid, room]);

    const otrState = useReactiveValue(useCallback(() => (otr ? otr.getState() : OtrRoomState.ERROR), [otr]));

    return {
        otr,
        otrState,
    };
};