/*
 * 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.integration.modules.ic2;


import java.util.EnumSet;
import java.util.Set;

import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.EnumFacing;

import ic2.api.energy.prefab.BasicSink;
import ic2.api.energy.tile.IEnergyEmitter;

import appeng.api.config.PowerUnits;
import appeng.tile.powersink.IExternalPowerSink;


/**
 * The real implementation of IC2PowerSink.
 */
public class IC2PowerSinkAdapter extends BasicSink implements IC2PowerSink
{

	private final IExternalPowerSink powerSink;

	private final Set<EnumFacing> validFaces = EnumSet.allOf( EnumFacing.class );

	public IC2PowerSinkAdapter( IExternalPowerSink powerSink )
	{
		super( (TileEntity) powerSink, 0, Integer.MAX_VALUE );
		this.powerSink = powerSink;
	}

	@Override
	public void invalidate()
	{
		super.onChunkUnload();
	}

	@Override
	public void onChunkUnload()
	{
		super.onChunkUnload();
	}

	@Override
	public void onLoad()
	{
		super.onLoaded();
	}

	@Override
	public double getDemandedEnergy()
	{
		return powerSink.getExternalPowerDemand( PowerUnits.EU, Double.MAX_VALUE );
	}

	@Override
	public double injectEnergy( EnumFacing directionFrom, double amount, double voltage )
	{
		return PowerUnits.EU.convertTo( PowerUnits.AE, powerSink.injectExternalPower( PowerUnits.EU, amount ) );
	}

	@Override
	public boolean acceptsEnergyFrom( IEnergyEmitter iEnergyEmitter, EnumFacing side )
	{
		return validFaces.contains( side );
	}

	@Override
	public void setValidFaces( Set<EnumFacing> faces )
	{
		this.validFaces.clear();
		this.validFaces.addAll( faces );
	}
}