/** @param {NS} ns */
export async function main(ns) {
  ns.tail();
  let aPserv = ns.getPurchasedServers();  //array of purchased servers
  let nPserv = aPserv.length; //amount of purchased servers we have
  let nMoney = ns.getServerMoneyAvailable("home");  //player money
  let nPrevSize = 4; //nPrevSize is 4 so the first server we will buy is 8


  //Purchase Servers
  //idea is to purchase the first server at 8 gb, next one at 16, next at 32 and so on

  for (let i = 0; nPserv < i; i++) {
    nMoney = ns.getServerMoneyAvailable("home");  //check money for each iteration
    if (nMoney >= ns.getPurchasedServerCost(nPrevSize * 2)) { //can we afford next server?
      const sServer = ns.purchaseServer(`pserv-${toString(i).padStart(2, "0")}`, nPrevSize * 2); //purchase server with name pserv- + 0i
      ns.print(`Purchased ${sServer} for ${nPrevSize * 2}`);  //print tail message that we purchased server
      nPrevSize *= 2; //increase nPrevSize for next iteration
      nPserv++  //increase number of purchased servers
    }
    else {
      ns.print(`Insufficient funds for pserv-${toString(i).padStart(2, "0")} ${nMoney} / ${ns.getPurchasedServerCost(nPrevSize * 2)}`);
      await ns.sleep(5000);
    }
  }
  ns.tprint("for loop purchase complete");


  //upgrade servers
  //idea is to upgrade the lowest server to match the highest (which should be 2^20 in size)

  let nCurrentRAM;
  let nLowestRAM = 2 ** 21;
  let nHighestRAM = 0;
  let sLowestPserv;
  let sHighestPserv;
  let nTotalPServRAM = 0;

  for (let i = 0; i < nPserv; i++) {
    nCurrentRAM = ns.getServerMaxRam(aPserv[i]);

    nTotalPServRAM += nCurrentRAM;

    if (nCurrentRAM < nLowestRAM) {
      nLowestRAM = nCurrentRAM
      sLowestPserv = aPservers[i];
    }

    if (nCurrentRAM > nHighestRAM) {
      nHighestRAM = nCurrentRAM
      sHighestPserv = aPserv[i];
    }
  }

  //sLowestPserv should now be the lowest server
  //sHighestPserv should now be the highest server

  for (let i = 0; sLowestPserv < sHighestPserv ; i++) {
    if (nMoney >= ns.getPurchasedServerUpgradeCost(sLowestPserv, 2^20)){
      ns.upgradePurchasedServer(sLowestPserv, 2^20);


    }




  }

}