/*
 * This file is part of the authRXBN single sign-on package.
 *
 * (c) Ruben Meyer <contact@rxbn.de>
 */

// init
var methods = {};

let client = require('prom-client');
client.collectDefaultMetrics(); // collect system info

let register = client.register;

let metrics = {};

var cfg = require(global['__dirname']+'/bin/config');

/**
 * get a metric
 * @author Ruben Meyer
 * @param {String} name metric name
 * @return {Metric}
 */
methods.getMetric = (name) => {
	return metrics[name];
}

/**
 * add a metric
 * @author Ruben Meyer
 * @param {String} name metric name
 * @param {Metric} metric metric object
 * @param {Boolean} overwrite overwrite parameter to overwrite metric if it already exists
 * @return {Boolean}
 */
methods.addMetric = (name, metric, overwrite = false) => {
	if(name in metrics && !overwrite)
		return false;

	metrics[name] = metric;
	return true;
};

/**
 * get the metrics register
 * @author Ruben Meyer
 * @return {Object}
 */
methods.getRegister = () => {
	return register;
};

/**
 * get the metrics client
 * @author Ruben Meyer
 * @return {Object}
 */
methods.getClient = () => {
	return client;
};

module.exports = methods;