package exercises.ex_z4;

import exercises.Utils;

import java.util.Random;
import java.util.ArrayList;
import java.util.List;

import static exercises.ex_z4.AuctionState.BIDDING;
import static exercises.ex_z4.AuctionState.FINISHED;

public class Bidder implements Runnable {
    private static int nextId = 0;
    private final String name;
    private final int id;
    private final List<Item> items = new ArrayList<>();
    private Double lastBid = null;
    private final Auctioneer auctioneer;

    public Bidder(String name, Auctioneer auctioneer) {
        this.name = name;
        this.id = nextId++;
        this.auctioneer = auctioneer;
    }

    @Override
    public void run() {
        while (true) {
            AuctionState state = auctioneer.getAuctionState();
            if (state == BIDDING) {
                Random rand = new Random();
                double addon = rand.nextDouble(500);
                Bid maximumBid = auctioneer.getMaximumBid();
                double base = maximumBid == null ? 0 : maximumBid.amount();
                lastBid = base + addon;
                auctioneer.placeBid(new Bid(this, lastBid));
                long minSleep = (long) (base * 10);
                try {
                    Utils.randomSleep(minSleep, minSleep + 1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            } else if (state == FINISHED) {
                break;
            } else {
                auctioneer.stateLock.lock();
                try {
                    auctioneer.stateCond.await();
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                } finally {
                    auctioneer.stateLock.unlock();
                }
            }
        }
    }

    public void addItem(Item item){
        items.add(item);
    }

    public String getName() {
        return name;
    }

    public int getId() {
        return id;
    }

    public Double getLastBid() {
        return lastBid;
    }

    @Override
    public String toString() {
        return "(" + id + ") " + name;
    }
}