/*
 * 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.List;

import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;

import appeng.api.config.RedstoneMode;
import appeng.api.config.Upgrades;
import appeng.api.util.IConfigManager;
import appeng.parts.PartBasicState;
import appeng.tile.inventory.IAEAppEngInventory;
import appeng.tile.inventory.InvOperation;
import appeng.util.ConfigManager;
import appeng.util.IConfigManagerHost;


public abstract class PartUpgradeable extends PartBasicState implements IAEAppEngInventory, IConfigManagerHost
{
	private final IConfigManager manager;
	private final UpgradeInventory upgrades;

	public PartUpgradeable( final ItemStack is )
	{
		super( is );
		this.upgrades = new StackUpgradeInventory( this.is, this, this.getUpgradeSlots() );
		this.upgrades.setMaxStackSize( 1 );
		this.manager = new ConfigManager( this );
	}

	protected int getUpgradeSlots()
	{
		return 4;
	}

	@Override
	public void updateSetting( final IConfigManager manager, final Enum settingName, final Enum newValue )
	{

	}

	@Override
	public void onChangeInventory( final IInventory inv, final int slot, final InvOperation mc, final ItemStack removedStack, final ItemStack newStack )
	{
		if( inv == this.upgrades )
		{
			this.upgradesChanged();
		}
	}

	public void upgradesChanged()
	{

	}

	protected boolean isSleeping()
	{
		if( this.getInstalledUpgrades( Upgrades.REDSTONE ) > 0 )
		{
			switch( this.getRSMode() )
			{
				case IGNORE:
					return false;

				case HIGH_SIGNAL:
					if( this.host.hasRedstone( this.side ) )
					{
						return false;
					}

					break;

				case LOW_SIGNAL:
					if( !this.host.hasRedstone( this.side ) )
					{
						return false;
					}

					break;

				case SIGNAL_PULSE:
				default:
					break;
			}

			return true;
		}

		return false;
	}

	@Override
	public int getInstalledUpgrades( final Upgrades u )
	{
		return this.upgrades.getInstalledUpgrades( u );
	}

	@Override
	public boolean canConnectRedstone()
	{
		return this.upgrades.getMaxInstalled( Upgrades.REDSTONE ) > 0;
	}

	@Override
	public void readFromNBT( final net.minecraft.nbt.NBTTagCompound extra )
	{
		super.readFromNBT( extra );
		this.manager.readFromNBT( extra );
		this.upgrades.readFromNBT( extra, "upgrades" );
	}

	@Override
	public void writeToNBT( final net.minecraft.nbt.NBTTagCompound extra )
	{
		super.writeToNBT( extra );
		this.manager.writeToNBT( extra );
		this.upgrades.writeToNBT( extra, "upgrades" );
	}

	@Override
	public void getDrops( final List<ItemStack> drops, final boolean wrenched )
	{
		for( final ItemStack is : this.upgrades )
		{
			if( is != null )
			{
				drops.add( is );
			}
		}
	}

	@Override
	public IConfigManager getConfigManager()
	{
		return this.manager;
	}

	@Override
	public IInventory getInventoryByName( final String name )
	{
		if( name.equals( "upgrades" ) )
		{
			return this.upgrades;
		}

		return null;
	}

	public RedstoneMode getRSMode()
	{
		return null;
	}
}