let callbacks = {};

const register = (eventName, callback) => {
    if (!callbacks[eventName]) {
        callbacks[eventName] = new Set();
    }
    callbacks[eventName].add(callback);
};

const unRegister = (eventName, callback) => {
    if (!callbacks[eventName]) {
        callbacks[eventName] = new Set();
    }
    callbacks[eventName].delete(callback);
};

const unRegisterAll = () => {
    callbacks = {};
};

const fire = (eventName, payload) => {
    if (callbacks[eventName]) {
        callbacks[eventName].forEach(callback => {
            try {
                callback(payload);
            } catch (error) {
                console.log(error);
            }
        });
    }
};

export default {
    register,
    unRegister,
    unRegisterAll,
    fire
};