/**
 * Copyright (c) 2011-2015, SpaceToad and the BuildCraft Team
 * http://www.mod-buildcraft.com
 * <p/>
 * BuildCraft is distributed under the terms of the Minecraft Mod Public
 * License 1.0, or MMPL. Please check the contents of the license located in
 * http://www.mod-buildcraft.com/MMPL-1.0.txt
 */
package buildcraft.energy;

import java.util.HashMap;
import java.util.Map;

import net.minecraft.block.Block;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.world.World;

import cpw.mods.fml.common.eventhandler.Event.Result;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.event.entity.player.FillBucketEvent;

public final class BucketHandler {

	public static BucketHandler INSTANCE = new BucketHandler();
	public Map<Block, Item> buckets = new HashMap<Block, Item>();

	private BucketHandler() {
	}

	@SubscribeEvent
	public void onBucketFill(FillBucketEvent event) {
		ItemStack result = fillCustomBucket(event.world, event.target);

		if (result == null) {
			return;
		}

		event.result = result;
		event.setResult(Result.ALLOW);
	}

	private ItemStack fillCustomBucket(World world, MovingObjectPosition pos) {
		Block block = world.getBlock(pos.blockX, pos.blockY, pos.blockZ);

		Item bucket = buckets.get(block);

		if (bucket != null && world.getBlockMetadata(pos.blockX, pos.blockY, pos.blockZ) == 0) {
			world.setBlockToAir(pos.blockX, pos.blockY, pos.blockZ);
			return new ItemStack(bucket);
		} else {
			return null;
		}
	}
}