server_buyer.ns

export async function main(ns) {
    //number of gigs for each server to have
    let servers = ns.getPurchasedServers();
    ns.tprint("I'm alive");
    let serverGigs = 0;
    if (servers.length === 0) {
        serverGigs = 4;
    } else {
        sort(ns, servers);
        serverGigs = (ns.getServerRam(servers[servers.length - 1])[0] * 2);
    }
    ns.tprint("RAM: " + serverGigs);
    //money multiplier (55k per gigabyte)
    const moneyPerGig = 55000;
    //excess is how much additional money I want - 110% is my initial amount.
    const excess = 110;
     while (true) {
        if (ns.getServerMoneyAvailable("home") >= serverGigs * moneyPerGig * excess / 100) {
            let purchasedServers = ns.getPurchasedServers();
            if (purchasedServers.length == 25) {
                //if max number of servers is owned, delete least RAM-heavy one
                await sort(ns, purchasedServers);
                //TODO: REMOVE TARGET OF SERVER THAT JUST GOT DELETED FROM TARGETED
                ns.tprint("Removing server " + purchasedServers[0]);
            ns.deleteServer(purchasedServers[0]);
            } else {
                ns.tprint("Less than 25 servers, none sold");

            }
            ns.purchaseServer(serverGigs + "server", serverGigs);
            //set up the new server to hack the most valuable target. Increase serverGigs
            ns.tprint("Running setup on server named " + serverGigs + "server");
            setup(ns, serverGigs + "server");
            serverGigs *= 2;

        }

        await ns.sleep(30000);
    }
}

async function sort(ns, purchasedServers) {
    for (let i = 0; i < purchasedServers.length; i++) {
        let lowestRAMServer = i;
        for (let j = i; j < purchasedServers.length; j++) {
            if (ns.getServerRam(purchasedServers[j]) > ns.getServerRam(purchasedServers[i])) {
                lowestRAMServer = j;
            }
        }

        let tempHolder = purchasedServers[i];
        purchasedServers[i] = purchasedServers[lowestRAMServer];
        purchasedServers[lowestRAMServer] = tempHolder;
    }
}


 async function setup(ns, server) {
    ns.tprint(server);
    let runnableScripts = ~~(ns.getServerRam(server)[0] / ns.getScriptRam("basic_hack.ns"));
    //while there are no targets, wait
    let targets = ns.read("targetable.txt");
        while (targets === '') {
            async ns.sleep(5000);
            targets = ns.read("targetable.txt");
        }
    let targetList = targets.split(":");
    ns.tprint(targetList[0]);
    let target = targetList[0];
    ns.tprint(target);
    //copy basic hack to server
    ns.scp("basic_hack.ns", server);
    //run as many copies of basic_hack as possible
    ns.tprint("Runnable scripts:" + runnableScripts);
    ns.tprint("Min security: " + ns.getServerMinSecurityLevel(server));
    ns.tprint("Target: " + target);
    await ns.exec ("basic_hack.ns", server, runnableScripts,
    ns.getServerMinSecurityLevel(server) + 2, target);
    targetList.shift();
    //update targetable with the new list
    ns.write("targeted.txt", server, 'w');
    for (let i = 0; i < targetList.length; i++) {
        ns.write("targetable.txt", targetList[i], 'a');
    }
}