"use strict";

import sysinfo from 'systeminformation';

import log from '../../lib/io/NamespacedLog.mjs'; const l = log("infobroker");

class InfoBroker {
	constructor() {
		this.allowed_tables = {
			// name → sysinfo name
			cpu: "cpu",
		};
	}
	
	is_valid_table(name) {
		return Object.keys(this.allowed_tables).includes(name);
	}
	
	async fetch_table(name) {
		if(!(typeof name === "string"))
			throw new Exception(`Error: Expected name to be of type string, but received value of type ${typeof name} instead.`);
		
		if(!this.is_valid_table(name)) {
			l.warn(`Unrecognised table '${name}' requested, returning null`);
			return null;
		}
		
		return await sysinfo[this.allowed_tables[name]]();
	}
}

export default InfoBroker;