/*
 * 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.core;


import java.util.Optional;

import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.init.Blocks;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;

import appeng.api.AEApi;
import appeng.api.definitions.IBlocks;
import appeng.api.definitions.IDefinitions;
import appeng.api.definitions.IItemDefinition;
import appeng.api.definitions.IItems;
import appeng.api.definitions.IMaterials;


public final class CreativeTab extends CreativeTabs
{
	public static CreativeTab instance = null;

	public CreativeTab()
	{
		super( "appliedenergistics2" );
	}

	static void init()
	{
		instance = new CreativeTab();
	}

	@Override
	public Item getTabIconItem()
	{
		return this.getIconItemStack().getItem();
	}

	@Override
	public ItemStack getIconItemStack()
	{
		final IDefinitions definitions = AEApi.instance().definitions();
		final IBlocks blocks = definitions.blocks();
		final IItems items = definitions.items();
		final IMaterials materials = definitions.materials();

		return this.findFirst( blocks.controller(), blocks.chest(), blocks.cellWorkbench(), blocks.fluixBlock(), items.cell1k(), items.networkTool(), materials.fluixCrystal(), materials.certusQuartzCrystal(), materials.skyDust() );
	}

	private ItemStack findFirst( final IItemDefinition... choices )
	{
		for( final IItemDefinition definition : choices )
		{
			Optional<ItemStack> maybeIs = definition.maybeStack( 1 );
			if( maybeIs.isPresent() )
			{
				return maybeIs.get();
			}
		}

		return new ItemStack( Blocks.CHEST );
	}
}