public class FruityGrandExchange extends API {

    private final GrandExchange ge;

    public FruityGrandExchange(FruityZulrah script) {
        this.ge = script.getGrandExchange();
        exchangeContext(script.getBot());
    }

    public boolean sell(Exchange exchange) {
        SellItemEvent event = new SellItemEvent(exchange);
        return execute(event).hasFinished();
    }

    public boolean buy(Exchange exchange) {
        BuyItemEvent event = new BuyItemEvent(exchange);
        return execute(event).hasFinished();
    }

    public boolean open() {
        Entity booth = getBooth();
        if (booth != null && booth.interact("Exchange")) {
            Time.sleep(ge::isOpen);
            return true;
        }
        return false;
    }

    public boolean close() {
        if (ge.close()) {
            Time.sleep(() -> !ge.isOpen());
            return true;
        }
        return false;
    }

    public Entity getBooth() {
        return getObjects().closest(i -> i.getName().contains("Grand Exchange booth") && i.hasAction("Exchange"));
    }

    public List<GrandExchange.Box> getBoxes() {
        return Arrays.asList(GrandExchange.Box.values());
    }

    public GrandExchange.Box getBox(Predicate<GrandExchange.Box> predicate) {
        return getBoxes().stream().filter(predicate).findFirst().orElse(null);
    }

    public List<GrandExchange.Box> getBoxes(Predicate<GrandExchange.Box> predicate) {
        return getBoxes().stream().filter(predicate).collect(Collectors.toList());
    }

    public List<GrandExchange.Box> getCompletedBoxes() {
        return getBoxes(box -> {
            GrandExchange.Status status = ge.getStatus(box);
            return status == GrandExchange.Status.FINISHED_BUY || status == GrandExchange.Status.FINISHED_SALE;
        });
    }

    public List<GrandExchange.Box> getEmptyBoxes() {
        return getBoxes(box -> ge.getStatus(box) == GrandExchange.Status.EMPTY);
    }

    public List<GrandExchange.Box> getOffers() {
        return getBoxes(box -> ge.getStatus(box) != GrandExchange.Status.EMPTY);
    }

    public List<Integer> getItems() {
        List<Integer> items = new ArrayList<>();
        getOffers().forEach(box -> items.add(ge.getItemId(box)));
        return items;
    }

    public GrandExchange.Box getBoxForID(int id) {
        return getBox(box -> ge.getItemId(box) == id);
    }

    @Override
    public void initializeModule() {

    }

}