var _CustomEvent = (function(){

    function _CustomEvent(name, callbacks){
        this.name = name;
        this.callbacks = callbacks || [];
    }

    _CustomEvent.prototype.registerCallback = function(callback){
        this.callbacks.push(callback);
    }

    return function(name, callbacks){
        return new _CustomEvent(name, callbacks);
    }

})();

var _Reactor = (function(){

    function _Reactor(events){
        this.events = events || {};
    }

    _Reactor.prototype.exists = function(eventName){
        return this.events.hasOwnProperty(eventName);
    }

    _Reactor.prototype.addEventListener = function(eventName, callback){
        if(!this.exists(eventName)){
            this.events[eventName] = new _CustomEvent(eventName);
        }

        this.events[eventName].registerCallback(callback);
    }

    _Reactor.prototype.dispatchEvent = function(eventName, eventArgs){
        this.events[eventName].callbacks.forEach(function(callback){
            callback(eventArgs);
        });
    }

    return function(events){
        return new _Reactor(events);
    }

})();

export default _Reactor;