RocketChat/Rocket.Chat

import type { IRoom } from '@rocket.chat/core-typings';
import { useEndpoint, usePermission, useSetting, useToastMessageDispatch } from '@rocket.chat/ui-contexts';
import { t } from 'i18next';

import { roomCoordinator } from '../../../../../lib/rooms/roomCoordinator';

export const useToggleAutoJoin = (room: IRoom, { reload, mainRoom }: { reload?: () => void; mainRoom: IRoom }) => {
    const dispatchToastMessage = useToastMessageDispatch();
    const updateRoomEndpoint = useEndpoint('POST', '/v1/teams.updateRoom');
    const canEditTeamChannel = usePermission('edit-team-channel', room._id);
    const maxNumberOfAutoJoinMembers = useSetting<number>('API_User_Limit');

    const handleToggleAutoJoin = async () => {
        // Sanity check, the setting has a default value, therefore it should always be defined
        if (!maxNumberOfAutoJoinMembers) {
            return;
        }

        try {
            const { room: updatedRoom } = await updateRoomEndpoint({
                roomId: room._id,
                isDefault: !room.teamDefault,
            });
            if (updatedRoom.teamDefault) {
                // If the number of members in the mainRoom (the team) is greater than the limit, show an info message
                // informing that not all members will be auto-joined to the channel
                const messageType = mainRoom.usersCount > maxNumberOfAutoJoinMembers ? 'info' : 'success';
                const message = mainRoom.usersCount > maxNumberOfAutoJoinMembers ? 'Team_Auto-join_exceeded_user_limit' : 'Team_Auto-join_updated';

                dispatchToastMessage({
                    type: messageType,
                    message: t(message, {
                        channelName: roomCoordinator.getRoomName(room.t, room),
                        numberOfMembers: updatedRoom.usersCount,
                        limit: maxNumberOfAutoJoinMembers,
                    }),
                });
            }
            reload?.();
        } catch (error) {
            dispatchToastMessage({ type: 'error', message: error });
        }
    };

    return { handleToggleAutoJoin, canEditTeamChannel };
};