/*
 * This file is part of Applied Energistics 2.
 * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
 *
 * Applied Energistics 2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Applied Energistics 2 is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.debug;


import java.util.EnumSet;
import java.util.LinkedList;
import java.util.List;

import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.world.World;
import appeng.core.AELog;
import appeng.core.features.AEFeature;
import appeng.items.AEBaseItem;
import appeng.util.Platform;


public class ToolEraser extends AEBaseItem
{

	public static final int BLOCK_ERASE_LIMIT = 90000;

	public ToolEraser()
	{
		this.setFeature( EnumSet.of( AEFeature.UnsupportedDeveloperTools, AEFeature.Creative ) );
	}
	
	@Override
	public boolean onItemUseFirst(
			ItemStack stack,
			EntityPlayer player,
			World world,
			BlockPos pos,
			EnumFacing side,
			float hitX,
			float hitY,
			float hitZ )
	{
		if( Platform.isClient() )
		{
			return false;
		}

		IBlockState state = world.getBlockState( pos );

		List<BlockPos> next = new LinkedList<BlockPos>();
		next.add( pos );

		int blocks = 0;
		while( blocks < BLOCK_ERASE_LIMIT && !next.isEmpty() )
		{
			List<BlockPos> c = next;
			next = new LinkedList<BlockPos>();

			for( BlockPos wc : c )
			{
				IBlockState c_state = world.getBlockState( wc );

				if( state == c_state )
				{
					blocks++;
					world.setBlockToAir( wc );

					next.add( wc.add( 1, 0, 0 ) );
					next.add( wc.add( -1, 0, 0 ) );
					next.add( wc.add( 0, 1, 0 ) );
					next.add( wc.add( 0, -1, 0 ) );
					next.add( wc.add( 0, 0, 1 ) );
					next.add( wc.add( 0, 0, -1 ) );
				}
			}
		}

		AELog.info( "Delete " + blocks + " blocks" );

		return true;
	}
}