Auction

/**
 * Write a description of class Auction here.
 *
 * @author Daffa Tristan Firdaus
 * @version 4 November 2020
 */
import java.util.ArrayList;
public class Auction
{
    private ArrayList<Lot> ListOfItems;
    private int LotsOfIndex;
    public Auction()
    {
        ListOfItems = new ArrayList<Lot>();
        LotsOfIndex = 1;
    }
    public void EnterItems(String ItemName)
    {
        ListOfItems.add(new Lot(LotsOfIndex, ItemName));
        LotsOfIndex++;
    }
    public void ShowListOfItems()
    {
        for(Lot lot : ListOfItems) {
            System.out.println(lot.detail());
        }
    }
    public Lot getLot(int CurrLotsOfIndex)
    {
        if((CurrLotsOfIndex > 0) && (CurrLotsOfIndex < LotsOfIndex)) {
            Lot selectedLot = ListOfItems.get(CurrLotsOfIndex - 1);
            if(selectedLot.getID() != CurrLotsOfIndex)
            {
                 System.out.println("Internal error : Lot number " +
                 selectedLot.getID() + " has been returned instead of " +
                 CurrLotsOfIndex);
                 selectedLot = null;
                }
                return selectedLot;
            }
            else {
              System.out.println("Lot number : " + CurrLotsOfIndex +
              " doesn't exist.");
              return null;
            }
    }
    public void MakeABid(int CurrLotsOfIndex, Person bidder, long value)
    {
        Lot selectedLot = getLot(CurrLotsOfIndex);
        if(selectedLot != null) {
            boolean CheckStatus = selectedLot.bidFor(new Bid(bidder, value));
            if(CheckStatus) {
               System.out.println("Bid for Lot number " +
                    CurrLotsOfIndex + " was successful, has been bid by " +
                    bidder.getName() + " with price " + "Rp " + value);
            }
            else {
                Bid highestBid = selectedLot.getHighestBid();
                System.out.println("Lot number : " + CurrLotsOfIndex +
                    " already has a bid of :\t" +  highestBid.getBid());
            }
        }
    }
    public void close()
    {
        System.out.println("Auction has been closed.");
        for(Lot lot : ListOfItems)
        {
            System.out.println(lot.getID() + ": " +lot.getLotName());
            Bid bid = lot.getHighestBid();
            if (bid==null)
            {
                System.out.println("There is no bid for this Lot");
            }
            else
            {
                System.out.println("This Lot has been sold to " +
                bid.getBidder().getName() + " with price :\t"
                + bid.getBid());
            }
        }
    }
}