package org.bukkit.craftbukkit.entity;

import org.apache.commons.lang.Validate;
import org.bukkit.Material;
import org.bukkit.craftbukkit.CraftServer;
import org.bukkit.craftbukkit.inventory.CraftItemStack;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.ThrownPotion;
import org.bukkit.inventory.ItemStack;
import org.bukkit.potion.Potion;
import org.bukkit.potion.PotionEffect;
import org.ultramine.mods.bukkit.interfaces.entity.projectile.IMixinEntityPotion;

import java.util.Collection;

public class CraftThrownPotion extends CraftProjectile implements ThrownPotion
{
	public CraftThrownPotion(CraftServer server, net.minecraft.entity.projectile.EntityPotion entity)
	{
		super(server, entity);
	}

	// TODO: This one does not handle custom NBT potion effects does it?
	// In that case this method could be said to be misleading or incorrect
	public Collection<PotionEffect> getEffects()
	{
		return Potion.getBrewer().getEffectsFromDamage(getHandle().getPotionDamage());
	}

	public ItemStack getItem()
	{
		// We run this method once since it will set the item stack if there is none.
		getHandle().getPotionDamage();

		return CraftItemStack.asBukkitCopy(((IMixinEntityPotion) getHandle()).getPotionDamage());
	}

	public void setItem(ItemStack item)
	{
		// The ItemStack must not be null.
		Validate.notNull(item, "ItemStack cannot be null.");

		// The ItemStack must be a potion.
		Validate.isTrue(item.getType() == Material.POTION, "ItemStack must be a potion. This item stack was " + item.getType() + ".");

		((IMixinEntityPotion) getHandle()).setPotionDamage(CraftItemStack.asNMSCopy(item));
	}

	@Override
	public net.minecraft.entity.projectile.EntityPotion getHandle()
	{
		return (net.minecraft.entity.projectile.EntityPotion) entity;
	}

	@Override
	public String toString()
	{
		return "CraftThrownPotion";
	}

	public EntityType getType()
	{
		return EntityType.SPLASH_POTION;
	}
}