/*
 * 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.parts.automation;


import java.util.ArrayList;
import java.util.List;

import net.minecraft.block.state.IBlockState;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.WorldServer;
import net.minecraftforge.common.util.FakePlayer;
import net.minecraftforge.common.util.FakePlayerFactory;

import appeng.api.parts.IPart;
import appeng.api.parts.IPartHost;
import appeng.api.parts.IPartModel;
import appeng.api.util.AEPartLocation;
import appeng.items.parts.PartModels;


public class PartIdentityAnnihilationPlane extends PartAnnihilationPlane
{

	private static final PlaneModels MODELS = new PlaneModels( "part/identity_annihilation_plane_", "part/identity_annihilation_plane_on_" );

	@PartModels
	public static List<IPartModel> getModels()
	{
		return MODELS.getModels();
	}

	private static final float SILK_TOUCH_FACTOR = 16;

	public PartIdentityAnnihilationPlane( final ItemStack is )
	{
		super( is );
	}

	@Override
	protected boolean isAnnihilationPlane( final TileEntity blockTileEntity, final AEPartLocation side )
	{
		if( blockTileEntity instanceof IPartHost )
		{
			final IPart p = ( (IPartHost) blockTileEntity ).getPart( side );
			return p != null && p.getClass() == this.getClass();
		}
		return false;
	}

	@Override
	protected float calculateEnergyUsage( final WorldServer w, final BlockPos pos, final List<ItemStack> items )
	{
		final float requiredEnergy = super.calculateEnergyUsage( w, pos, items );

		return requiredEnergy * SILK_TOUCH_FACTOR;
	}

	@Override
	protected List<ItemStack> obtainBlockDrops( final WorldServer w, final BlockPos pos )
	{
		final FakePlayer fakePlayer = FakePlayerFactory.getMinecraft( w );
		final IBlockState state = w.getBlockState( pos );

		if( state.getBlock().canSilkHarvest( w, pos, state, fakePlayer ) )
		{
			final List<ItemStack> out = new ArrayList<ItemStack>( 1 );
			final Item item = Item.getItemFromBlock( state.getBlock() );

			if( item != null )
			{
				int meta = 0;
				if( item.getHasSubtypes() )
				{
					meta = state.getBlock().getMetaFromState( state );
				}
				final ItemStack itemstack = new ItemStack( item, 1, meta );
				out.add( itemstack );
			}
			return out;
		}
		else
		{
			return super.obtainBlockDrops( w, pos );
		}
	}

	@Override
	public IPartModel getStaticModels()
	{
		return MODELS.getModel( getConnections(), isPowered(), isActive() );
	}

}