cs go credit system

import java.util.Scanner;

public class CreditSystem {

    public static void main(String[] args) {

        System.out.println("---[<<START PAGE>>]---");
        System.out.println("--MENU--\n1: To Buy Case Key\n2: To Open Case");
        Scanner mainmenu = new Scanner (System.in);
        int menu = mainmenu.nextInt();

        if (menu==1) {


        }

        else if () {

        }

        else {
            System.out.println("Please enter valid menu option!");
        }



        //Credit System is Starting

        int totalCash = 100;
        int currentCash = 100;
        int kroma3KeyPrice = 7;
        int kroma2KeyPrice = 5;
        int ankaKeyPrice = 3;
        int revolverKeyPrice = 4;
        int kroma3keybought = 0, kroma2keybought = 0, ankakeybought = 0, revolverkeybought = 0;

        boolean turnHead = false;

        while (turnHead == false && currentCash >= kroma3KeyPrice || currentCash >= kroma2KeyPrice || currentCash >= ankaKeyPrice || currentCash >= revolverKeyPrice) {

        System.out.println("Info: You have " + currentCash + "$ in your wallet. \n");

        System.out.println("--EQUIPMENTS--\nYou have Kroma 3 Key: " + kroma3keybought + "\nYou have Kroma 2 Key: " + kroma2keybought + "\nYou have Anka Key: " + ankakeybought + "\nYou have Revolver Key: " + revolverkeybought);

        System.out.println("\n--PROCESS MENU\nWhich type key do you want to buy? \n1:Kroma 3 Key (" + kroma3KeyPrice + "$)\n2:Kroma 2 Key (" + kroma2KeyPrice + "$)\n3:Anka Key (" + ankaKeyPrice + "$)\n4:Revolver Key (" + revolverKeyPrice + "$)\n");
        System.out.print("Enter the type value: ");
        Scanner type = new Scanner (System.in);
        int keyType = type.nextInt();



        while (currentCash >= kroma3KeyPrice || currentCash >= kroma2KeyPrice || currentCash >= ankaKeyPrice || currentCash >= revolverKeyPrice) {

        if (keyType == 1) {
            Scanner keyNumberBuy = new Scanner (System.in);
            System.out.print("How much key do you want? Max(" + maxKeyNumber(currentCash, kroma3KeyPrice) + ") : ");
            int keyNumber = keyNumberBuy.nextInt();
            int boughtKeyPrice = keyNumber*kroma3KeyPrice;
            int newCurrentCash = (currentCash)-(keyNumber*kroma3KeyPrice);

            if (keyNumber==50) {
                System.out.println("--Logged Out!\n");
                break;
            }

            else if (newCurrentCash >= 0 && keyNumber <= maxKeyNumber(currentCash, kroma3KeyPrice)) {
                System.out.println("+Succes: You bought " + keyNumber + " Kroma3 key and " + newCurrentCash + "$ cash left.");
                currentCash = newCurrentCash;
                kroma3keybought = kroma3keybought +keyNumber;

            }

            else {
                System.out.println("You can not buy more than max key value! Your cash is not enough!");
            }


        }

        else if (keyType == 2) {
            Scanner keyNumberBuy = new Scanner (System.in);
            System.out.print("How much key do you want? Max(" + maxKeyNumber(currentCash, kroma2KeyPrice) + ") : ");
            int keyNumber = keyNumberBuy.nextInt();
            int boughtKeyPrice = keyNumber*kroma2KeyPrice;
            int newCurrentCash = (currentCash)-(keyNumber*kroma2KeyPrice);

            if (keyNumber==50) {
                System.out.println("--Logged Out!\n");
                break;
            }

            if (newCurrentCash >= 0 && keyNumber <= maxKeyNumber(currentCash, kroma2KeyPrice)) {
                System.out.println("+Succes: You bought " + keyNumber + " Kroma2 key and " + newCurrentCash + "$ cash left.");
                currentCash = newCurrentCash;
                kroma2keybought = kroma2keybought +keyNumber;
            }

            else {
                System.out.println("You can not buy more than max key value! Your cash is not enough!");
            }

        }

        else if (keyType == 3) {
            Scanner keyNumberBuy = new Scanner (System.in);
            System.out.print("How much key do you want? Max(" + maxKeyNumber(currentCash, ankaKeyPrice) + ") : ");
            int keyNumber = keyNumberBuy.nextInt();
            int boughtKeyPrice = keyNumber*ankaKeyPrice;
            int newCurrentCash = (currentCash)-(keyNumber*ankaKeyPrice);

            if (keyNumber==50) {
                System.out.println("--Logged Out!\n");
                break;
            }

            if (newCurrentCash >= 0 && keyNumber <= maxKeyNumber(currentCash, ankaKeyPrice)) {
                System.out.println("+Succes: You bought " + keyNumber + " Anka key and " + newCurrentCash + "$ cash left.");
                currentCash = newCurrentCash;
                ankakeybought = ankakeybought +keyNumber;
            }

            else {
                System.out.println("You can not buy more than max key value! Your cash is not enough!");
            }

        }

        else if (keyType == 4) {
            Scanner keyNumberBuy = new Scanner (System.in);
            System.out.print("How much key do you want? Max(" + maxKeyNumber(currentCash, revolverKeyPrice) + ") : ");
            int keyNumber = keyNumberBuy.nextInt();
            int boughtKeyPrice = keyNumber*revolverKeyPrice;
            int newCurrentCash = (currentCash)-(keyNumber*revolverKeyPrice);

            if (keyNumber==50) {
                System.out.println("--Logged Out!\n");
                break;
            }

            if (newCurrentCash >= 0 && keyNumber <= maxKeyNumber(currentCash, revolverKeyPrice)) {
                System.out.println("+Succes: You bought " + keyNumber + " Revolver key and " + newCurrentCash + "$ cash left.");
                currentCash = newCurrentCash;
                revolverkeybought = revolverkeybought +keyNumber;
            }

            else {
                System.out.println("You can not buy more than max key value! Your cash is not enough!");
            }
        }

        else {
            System.out.println("Please enter valid key type number!\n");
            break;
        }


        }//while
        }//while
        System.out.println("Opps! You do not have enough money to continiue :(");

    }

    private static int maxKeyNumber(int currentCash, int x) {
        int maxKeyNumber = currentCash/x;
        return maxKeyNumber;

    }



}