(() => {
    class Config {
        constructor() {
            this._config = {};
            this.updateCB = {};
        }

        get data() {
            return this._config;
        }

        get(key, def = null) {
            if (this._config[key] !== undefined) {
                return this._config[key];
            }
            this.set(key, def);
            return def;
        }

        getFloat(key, def = 0) {
            return parseFloat(this.get(key, def));
        }

        getInt(key, def) {
            return parseInt(this.get(key, def));
        }

        set(key, value) {
            this._config[key] = value;
            if (this.updateCB[key]) {
                this.updateCB[key](value);
            }
        }

        onUpdate(s, cb) {
            this.updateCB[s] = cb;
        }
    }

    moduleLoader.isModuleLoaded(['Registry'], () => {
        window.config = new Config();
        registry.set('config', window.config);
    });
})();