/*
 * 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.reporting;

import java.util.List;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import appeng.api.implementations.ICraftingPatternItem;
import appeng.api.networking.crafting.ICraftingPatternDetails;
import appeng.api.storage.data.IAEItemStack;
import appeng.client.texture.CableBusTextures;
import appeng.core.sync.GuiBridge;
import appeng.tile.inventory.AppEngInternalInventory;
import appeng.tile.inventory.InvOperation;

public class PartPatternTerminal extends PartTerminal
{

	final AppEngInternalInventory crafting = new AppEngInternalInventory( this, 9 );
	final AppEngInternalInventory output = new AppEngInternalInventory( this, 3 );
	final AppEngInternalInventory pattern = new AppEngInternalInventory( this, 2 );

	private boolean craftingMode = true;

	@Override
	public void writeToNBT(NBTTagCompound data)
	{
		super.writeToNBT( data );
		data.setBoolean( "craftingMode", isCraftingRecipe() );
		pattern.writeToNBT( data, "pattern" );
		output.writeToNBT( data, "outputList" );
		crafting.writeToNBT( data, "craftingGrid" );
	}

	@Override
	public void readFromNBT(NBTTagCompound data)
	{
		super.readFromNBT( data );
		setCraftingRecipe( data.getBoolean( "craftingMode" ) );
		pattern.readFromNBT( data, "pattern" );
		output.readFromNBT( data, "outputList" );
		crafting.readFromNBT( data, "craftingGrid" );
	}

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

	public PartPatternTerminal(ItemStack is) {
		super( PartPatternTerminal.class, is );
		frontBright = CableBusTextures.PartPatternTerm_Bright;
		frontColored = CableBusTextures.PartPatternTerm_Colored;
		frontDark = CableBusTextures.PartPatternTerm_Dark;
	}

	@Override
	public GuiBridge getGui( EntityPlayer p )
	{
		int x = (int) p.posX, y = (int) p.posY, z = (int) p.posZ;
		if ( getHost().getTile() != null )
		{
			x = tile.xCoord;
			y = tile.yCoord;
			z = tile.zCoord;
		}

		if( GuiBridge.GUI_PATTERN_TERMINAL.hasPermissions( getHost().getTile(), x, y, z, side, p ) )
			return GuiBridge.GUI_PATTERN_TERMINAL;
		return GuiBridge.GUI_ME;
	}

	@Override
	public IInventory getInventoryByName(String name)
	{
		if ( name.equals( "crafting" ) )
			return crafting;

		if ( name.equals( "output" ) )
			return output;

		if ( name.equals( "pattern" ) )
			return pattern;

		return super.getInventoryByName( name );
	}

	@Override
	public void onChangeInventory(IInventory inv, int slot, InvOperation mc, ItemStack removedStack, ItemStack newStack)
	{
		if ( inv == pattern && slot == 1 )
		{
			ItemStack is = pattern.getStackInSlot( 1 );
			if ( is != null && is.getItem() instanceof ICraftingPatternItem )
			{
				ICraftingPatternItem pattern = (ICraftingPatternItem) is.getItem();
				ICraftingPatternDetails details = pattern.getPatternForItem( is, this.getHost().getTile().getWorldObj() );
				if ( details != null )
				{
					setCraftingRecipe( details.isCraftable() );

					for (int x = 0; x < crafting.getSizeInventory() && x < details.getInputs().length; x++)
					{
						IAEItemStack item = details.getInputs()[x];
						crafting.setInventorySlotContents( x, item == null ? null : item.getItemStack() );
					}

					for (int x = 0; x < output.getSizeInventory() && x < details.getOutputs().length; x++)
					{
						IAEItemStack item = details.getOutputs()[x];
						output.setInventorySlotContents( x, item == null ? null : item.getItemStack() );
					}
				}
			}
		}
		else if ( inv == crafting )
		{
			fixCraftingRecipes();
		}

		host.markForSave();
	}

	public boolean isCraftingRecipe()
	{
		return craftingMode;
	}

	public void setCraftingRecipe(boolean craftingMode)
	{
		this.craftingMode = craftingMode;
		fixCraftingRecipes();
	}

	private void fixCraftingRecipes()
	{
		if ( isCraftingRecipe() )
		{
			for (int x = 0; x < crafting.getSizeInventory(); x++)
			{
				ItemStack is = crafting.getStackInSlot( x );
				if ( is != null )
					is.stackSize = 1;
			}
		}
	}
}