ServerManager

/** @param {NS} ns */
export async function main(ns) {
    var ram = ns.args[0];
    var canBuy = true;
    var maxSize = ns.getPurchasedServerMaxRam();
    ns.tprint("Next Server Cost - " + + ns.getPurchasedServerCost(ram));
    while (canBuy) {
        let servers = ns.getPurchasedServers();
        let cost = ns.getPurchasedServerCost(ram)
        // Check if we have enough money to purchase a server
        if (ns.getServerMoneyAvailable("home") > cost) {
            //check if we are at max
            if (servers.length == ns.getPurchasedServerLimit()) {
                //find the smallest memory server we have
                //ns.tprint(JSON.stringify(servers));
                ns.tprint("At max servers, attempting to sell smallest server.");
                let smallest = [servers[0], ns.getServerMaxRam(servers[0])];
                for (let server of servers) {
                    //ns.tprint("Checking server - " + server);
                    let r = ns.getServerMaxRam(server);
                    if (r < smallest[1]) {
                        smallest = [server, r];
                    }
                }
                //check if smallest server has been maxed
                if (smallest[1] == maxSize) {
                    //Notify and end script. We are done here.
                    ns.tprint("We have reached max servers at max size!!!!!");
                    canBuy = false;
                } else {
                    //end all running scripts on the server
                    ns.killall(smallest[0]);
                    //delete it
                    if (ns.deleteServer(smallest[0])) {
                        ns.tprint(smallest[0] + " removed to make room for new server.");
                    } else {
                        ns.tprint("Could not delete server - " + smallest[0]);
                    }
                }
            }
            if (ns.getPurchasedServers().length < ns.getPurchasedServerLimit()) {
                var hostname = ns.purchaseServer("MyServer-" + ram, ram);
                ram = ram * 2;
                if (ram > maxSize) ram = maxSize;
                ns.tprint(hostname + " purchased for - " + cost + ". Next server costs - " + ns.getPurchasedServerCost(ram));
            }

        }
        await ns.sleep(5000);
    }
}