GuiShopManager/src/main/java/cn/citycraft/GuiShopManager/GSMItems.java

package cn.citycraft.GuiShopManager;

import java.util.HashMap;
import java.util.List;

import org.bukkit.Bukkit;
import org.bukkit.configuration.ConfigurationSection;
import org.bukkit.entity.Player;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.ItemStack;

import cn.citycraft.GuiShopManager.GuiShopManager;

public class GSMItems implements Reloadable {
	private HashMap<ItemStack, String> items = new HashMap<ItemStack, String>();
	private HashMap<String, ItemStack> item_names = new HashMap<String, ItemStack>();
	private HashMap<Integer, ItemStack> joinItems = new HashMap<Integer, ItemStack>();
	private GuiShopManager plugin;

	public GSMItems(GuiShopManager plugin) {
		this.plugin = plugin;

		loadItems(plugin);
	}

	public ItemStack getItemByName(String name) {
		ItemStack i = this.item_names.get(name);
		if (i != null)
			return i;
		for (String s : this.item_names.keySet()) {
			if (s.equalsIgnoreCase(name))
				return this.item_names.get(s);
		}
		for (String s : this.item_names.keySet()) {
			if (s.toLowerCase().startsWith(name.toLowerCase()))
				return this.item_names.get(s);
		}
		return null;
	}

	public HashMap<String, ItemStack> getItemNames() {
		return this.item_names;
	}

	public void giveJoinItems(Player p) {
		if (!this.joinItems.isEmpty()) {
			for (Integer integer : this.joinItems.keySet()) {
				int loc = integer.intValue();
				ItemStack i = this.joinItems.get(Integer.valueOf(loc));

				if ((!p.getInventory().contains(i.getType()))
						|| (!hasItem(i, p))) {
					loc--;

					boolean b = false;

					if ((loc >= p.getInventory().getSize()) || (loc < 0)) {
						loc = 0;
						b = true;
					}

					if ((!b) || (p.getInventory().getItem(loc) == null)) {
						p.getInventory().setItem(loc, i.clone());
					} else {
						p.getInventory().addItem(new ItemStack[] { i.clone() });
					}
				}
			}
		}
	}

	private boolean hasItem(ItemStack i, Player p) {
		for (ItemStack s : p.getInventory().getContents()) {
			if ((s != null)
					&& (s.hasItemMeta())
					&& (s.getItemMeta().hasDisplayName())
					&& (s.getItemMeta().getDisplayName().equalsIgnoreCase(i
							.getItemMeta().getDisplayName())))
				return true;

		}

		return false;
	}

	public boolean isShopItem(ItemStack s) {
		if (s == null)
			return false;

		for (ItemStack i : this.items.keySet()) {
			if (i != null) {
				if (i.getType() == s.getType()) {
					if (i.getItemMeta().getDisplayName()
							.equalsIgnoreCase(s.getItemMeta().getDisplayName()))
						return true;
				}
			}
		}

		return false;
	}

	private void loadItems(GuiShopManager plugin) {
		ConfigurationSection c = plugin.getConfig().getConfigurationSection(
				"Items");
		if (c == null) {
			Bukkit.getLogger()
					.severe("[GuiShopManager] No Items were found in the config :/ Delete your config and restart the server to generate a new config file.");
			return;
		}

		for (String path_name : c.getKeys(false)) {
			ConfigurationSection sec = c.getConfigurationSection(path_name);

			String open_shop = sec.getString("OpenShop");

			if (open_shop != null) {
				boolean give_on_join = sec.getBoolean("GiveOnJoin");
				int inventoryloc = sec.getInt("InventoryLocation");

				List<String> list = sec.getStringList("Look");
				if (list != null) {
					ItemStack item = plugin.getBossShop().getClassManager()
							.getItemStackCreator().createItemStack(list);

					this.items.put(item, open_shop);
					this.item_names.put(path_name, item);

					if (give_on_join) {
						this.joinItems.put(Integer.valueOf(inventoryloc), item);
					}
				}
			}
		}
	}

	public void playerClicked(PlayerInteractEvent e) {
		if (((e.getAction() == Action.RIGHT_CLICK_AIR) || (e.getAction() == Action.RIGHT_CLICK_BLOCK))
				&& (e.getItem() != null)) {
			for (ItemStack i : this.items.keySet()) {
				if (i != null && i.hasItemMeta()
						&& i.getItemMeta().hasDisplayName()) {
					if (e.getItem() != null && e.getItem().hasItemMeta()
							&& e.getItem().getItemMeta().hasDisplayName()) {
						if (i.getItemMeta()
								.getDisplayName()
								.equalsIgnoreCase(
										e.getItem().getItemMeta()
												.getDisplayName())) {
							String n = this.items.get(i);
							this.plugin.getBossShop().getAPI()
									.openShop(e.getPlayer(), n);
							e.setCancelled(true);
						}
					}
				}
			}
		}
	}

	@Override
	public void reload(GuiShopManager plugin) {
		this.items.clear();
		this.item_names.clear();
		this.joinItems.clear();

		loadItems(plugin);
	}
}