/*
 * 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.layers;

import net.minecraftforge.common.util.ForgeDirection;
import net.minecraftforge.fluids.FluidStack;
import net.minecraftforge.fluids.FluidTankInfo;
import net.minecraftforge.fluids.IFluidHandler;

import appeng.api.parts.IPart;
import appeng.api.parts.LayerBase;

public class LayerIFluidHandler extends LayerBase implements IFluidHandler
{

	static final FluidTankInfo[] emptyList = new FluidTankInfo[0];

	@Override
	public int fill(ForgeDirection from, FluidStack resource, boolean doFill)
	{
		IPart part = this.getPart( from );
		if ( part instanceof IFluidHandler )
			return ((IFluidHandler) part).fill( from, resource, doFill );
		return 0;
	}

	@Override
	public FluidStack drain(ForgeDirection from, FluidStack resource, boolean doDrain)
	{
		IPart part = this.getPart( from );
		if ( part instanceof IFluidHandler )
			return ((IFluidHandler) part).drain( from, resource, doDrain );
		return null;
	}

	@Override
	public FluidStack drain(ForgeDirection from, int maxDrain, boolean doDrain)
	{
		IPart part = this.getPart( from );
		if ( part instanceof IFluidHandler )
			return ((IFluidHandler) part).drain( from, maxDrain, doDrain );
		return null;
	}

	@Override
	public boolean canFill(ForgeDirection from, net.minecraftforge.fluids.Fluid fluid)
	{
		IPart part = this.getPart( from );
		if ( part instanceof IFluidHandler )
			return ((IFluidHandler) part).canFill( from, fluid );
		return false;
	}

	@Override
	public boolean canDrain(ForgeDirection from, net.minecraftforge.fluids.Fluid fluid)
	{
		IPart part = this.getPart( from );
		if ( part instanceof IFluidHandler )
			return ((IFluidHandler) part).canDrain( from, fluid );
		return false;
	}

	@Override
	public FluidTankInfo[] getTankInfo(ForgeDirection from)
	{
		IPart part = this.getPart( from );
		if ( part instanceof IFluidHandler )
			return ((IFluidHandler) part).getTankInfo( from );
		return emptyList;
	}

}