package mineplex.game.clans.items;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import mineplex.game.clans.items.attributes.ItemAttribute;

import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.ItemStack;

/**
 * Represents a customizable wrapper for an {@link ItemStack}, enabling the possession
 * of special abilities, attributes, and triggers on item.
 * @author MrTwiggy
 *
 */
public class CustomItem 
{

	private ItemAttribute superPrefix;
	private ItemAttribute prefix;
	private ItemAttribute suffix;
	
	private String _displayName;
	
	/**
	 * @return the name displayed to players for the item.
	 */
	public String getDisplayName()
	{
		// Concatenate attribute prefixes/suffixes to display name.
		String display = _displayName;
		
		if (prefix != null)
		{
			display = prefix.getDisplayName() + " " + display;
		}
		
		if (superPrefix != null)
		{
			display = superPrefix.getDisplayName() + " " + display;
		}
		
		if (suffix != null)
		{
			display += " of " + suffix.getDisplayName();
		}
		
		return display;
	}
	
	public List<String> getLore()
	{
		List<String> lore = new ArrayList<String>();
		
		// TODO: Add decorative stat lore (and hidden json-encoding/uuid info)
		lore.add("Custom stat lore string!");
		
		return lore;
	}
	
	public ItemStack toItemStack()
	{
		// TODO: Generate an item stack representing this CustomItem
		return null;
	}
	
	public void onInteract(PlayerInteractEvent event)
	{
		for (ItemAttribute attribute : getAttributes())
		{
			attribute.onInteract(event);
		}
	}
	
	public void onAttack(EntityDamageByEntityEvent event)
	{
		for (ItemAttribute attribute : getAttributes())
		{
			attribute.onAttack(event);
		}
	}
	
	public void onAttacked(EntityDamageByEntityEvent event)
	{
		for (ItemAttribute attribute : getAttributes())
		{
			attribute.onAttacked(event);
		}
	}
	
	/**
	 * @return the (possibly empty) set of {@link ItemAttribute}s attached to this item.
	 */
	public Set<ItemAttribute> getAttributes()
	{
		Set<ItemAttribute> attributes = new HashSet<ItemAttribute>();
		attributes.add(superPrefix);
		attributes.add(prefix);
		attributes.add(suffix);
		return attributes;
	}
}