/** @param {NS} ns */
export async function main(ns) {
  //args
  const sTarget = ns.args[0]; // target server

  // declare objects
  const oHome = ns.getServer("home");
  //const oTarget = ns.getServer(sTarget);

  //declare variables
  const sWeakenScript = "RMweaken.js";
  const sBatch = "RMcontroller.js";

  const nCores = oHome.cpuCores;
  let nSecurity = ns.getServerSecurityLevel(sTarget);
  const nMinSecurity = ns.getServerMinSecurityLevel(sTarget);
  const nWeakenSTR = ns.weakenAnalyze(1, nCores);
  let nThreads = Math.ceil((nSecurity - nMinSecurity) / nWeakenSTR);
  let nFreeRam = ns.getServerMaxRam("home") - ns.getServerUsedRam("home");
  ns.tail("RMbreach.js", "home", sTarget);
  //ns.resizeTail(815, 395);
  //ns.moveTail(1925, 0);

  // crack target
  // ns.run(sCrack, 1, sTarget);

  if (nThreads > 0 && nSecurity > nMinSecurity) {
    const nDelay = ns.getWeakenTime(sTarget);

    ns.tprint("current security is: " + nSecurity);
    ns.tprint("minimum security is: " + nMinSecurity);
    ns.tprint("threads needed for weaken: " + nThreads);
    ns.tprint(nThreads + " will reduce Security by " + ns.weakenAnalyze(nThreads, nCores));
    let nScriptRAM = ns.getScriptRam(sWeakenScript, "home");
    let nRequiredRAM = nScriptRAM * nThreads;
    ns.tprint(nThreads + " of " + sWeakenScript + " requires " + nRequiredRAM + " GB of RAM");
    ns.tprint("weakening will take " + (nDelay / 1000 / 60) + " minutes");

    if (nFreeRam > nRequiredRAM) {
      ns.run(sWeakenScript, nThreads, sTarget);

      await ns.sleep(Math.ceil(nDelay));

      nSecurity = ns.getServerSecurityLevel(sTarget);
      ns.tprint("Breach complete, security level is now at: " + nSecurity);

    }
    else {
      ns.print("not enough RAM to run all threads at once, splitting into smaller chunks...");
      while (nSecurity > nMinSecurity) {
        nThreads /= (1+(nRequiredRAM / nFreeRam));
        ns.print(Math.ceil(nRequiredRAM / nFreeRam));
        ns.print(nThreads);
        ns.print(nThreads * nScriptRAM);
        ns.run(sWeakenScript, Math.ceil(nThreads), sTarget);
        await ns.sleep(Math.ceil(nDelay));
        nSecurity = ns.getServerSecurityLevel(sTarget);
      }

    }

  }

  //run batch 
  const nBatchPID = ns.run(sBatch, 1, sTarget);
  ns.tail(nBatchPID, "home", sBatch, 1, sTarget);
  ns.resizeTail(815, 395, nBatchPID);
  ns.moveTail(1925, 0, nBatchPID);

}