package net.shin1gamix.xpshop.listeners;

import java.util.UUID;

import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.inventory.InventoryClickEvent;

import net.shin1gamix.xpshop.Core;
import net.shin1gamix.xpshop.PlayerManager;
import net.shin1gamix.xpshop.objects.ShopItem;
import net.shin1gamix.xpshop.objects.ShopItemCharge;

public class InventoryHandler implements Listener {

	private final Core core;

	public InventoryHandler(final Core core) {
		this.core = core;
	}

	@EventHandler
	private void onClick(final InventoryClickEvent e) {

		final Player player = (Player) e.getWhoClicked();
		final UUID id = player.getUniqueId();

		if (!this.core.getPlayerManagerMap().containsKey(id)) {
			return;
		}

		final PlayerManager invman = this.core.getPlayerManagerMap().get(id);
		if (!e.getInventory().equals(invman.getInventory())) {
			return;
		}

		if (e.getCurrentItem() == null) {
			return;
		}

		e.setCancelled(true);

		final ShopItem item = getItemBySlot(invman, e.getRawSlot());

		if (item == null) {
			return;
		}

		if (item instanceof ShopItemCharge) {
			((ShopItemCharge) item).executeTask();
		}
	}

	private ShopItem getItemBySlot(final PlayerManager invman, final int slot) {
		for (final ShopItem item : invman.getItems()) {
			for (final int slots : item.getSlots()) {
				if (slots - 1 == slot) {
					return item;
				}
			}
		}
		return null;

	}

}