/*
 * 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.block.crafting;


import java.util.EnumSet;

import javax.annotation.Nullable;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyBool;
import net.minecraft.block.state.BlockStateContainer;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.util.BlockRenderLayer;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;
import net.minecraftforge.common.property.ExtendedBlockState;
import net.minecraftforge.common.property.IExtendedBlockState;
import net.minecraftforge.common.property.IUnlistedProperty;

import appeng.api.util.AEPartLocation;
import appeng.block.AEBaseTileBlock;
import appeng.client.UnlistedProperty;
import appeng.client.render.crafting.CraftingCubeState;
import appeng.core.sync.GuiBridge;
import appeng.tile.crafting.TileCraftingTile;
import appeng.util.Platform;


public class BlockCraftingUnit extends AEBaseTileBlock
{
	public static final PropertyBool FORMED = PropertyBool.create( "formed" );
	public static final PropertyBool POWERED = PropertyBool.create( "powered" );
	public static final UnlistedProperty<CraftingCubeState> STATE = new UnlistedProperty<>( "state", CraftingCubeState.class );

	public final CraftingUnitType type;

	public BlockCraftingUnit( final CraftingUnitType type )
	{
		super( Material.IRON );

		this.type = type;
		this.setTileEntity( TileCraftingTile.class );
	}

	@Override
	protected IProperty[] getAEStates()
	{
		return new IProperty[] { POWERED, FORMED };
	}

	@Override
	public IExtendedBlockState getExtendedState( IBlockState state, IBlockAccess world, BlockPos pos )
	{

		EnumSet<EnumFacing> connections = EnumSet.noneOf( EnumFacing.class );

		for( EnumFacing facing : EnumFacing.values() )
		{
			if( isConnected( world, pos, facing ) )
			{
				connections.add( facing );
			}
		}

		IExtendedBlockState extState = (IExtendedBlockState) state;

		return extState.withProperty( STATE, new CraftingCubeState( connections ) );
	}

	private boolean isConnected( IBlockAccess world, BlockPos pos, EnumFacing side )
	{
		BlockPos adjacentPos = pos.offset( side );
		return world.getBlockState( adjacentPos ).getBlock() instanceof BlockCraftingUnit;
	}

	@Override
	protected BlockStateContainer createBlockState()
	{
		return new ExtendedBlockState( this, getAEStates(), new IUnlistedProperty[] { STATE } );
	}

	@Override
	public IBlockState getStateFromMeta( final int meta )
	{
		return this.getDefaultState().withProperty( POWERED, ( meta & 1 ) == 1 ).withProperty( FORMED, ( meta & 2 ) == 2 );
	}

	@Override
	public int getMetaFromState( final IBlockState state )
	{
		boolean p = state.getValue( POWERED );
		boolean f = state.getValue( FORMED );
		return ( p ? 1 : 0 ) | ( f ? 2 : 0 );
	}

	@Override
	public void neighborChanged( final IBlockState state, final World worldIn, final BlockPos pos, final Block neighborBlock )
	{
		final TileCraftingTile cp = this.getTileEntity( worldIn, pos );
		if( cp != null )
		{
			cp.updateMultiBlock();
		}
	}

	@Override
	public BlockRenderLayer getBlockLayer()
	{
		return BlockRenderLayer.CUTOUT;
	}

	@Override
	public void breakBlock( final World w, final BlockPos pos, final IBlockState state )
	{
		final TileCraftingTile cp = this.getTileEntity( w, pos );
		if( cp != null )
		{
			cp.breakCluster();
		}

		super.breakBlock( w, pos, state );
	}

	@Override
	public boolean onBlockActivated( final World w, final BlockPos pos, final IBlockState state, final EntityPlayer p, final EnumHand hand, final @Nullable ItemStack heldItem, final EnumFacing side, final float hitX, final float hitY, final float hitZ )
	{
		final TileCraftingTile tg = this.getTileEntity( w, pos );

		if( tg != null && !p.isSneaking() && tg.isFormed() && tg.isActive() )
		{
			if( Platform.isClient() )
			{
				return true;
			}

			Platform.openGUI( p, tg, AEPartLocation.fromFacing( side ), GuiBridge.GUI_CRAFTING_CPU );
			return true;
		}

		return super.onBlockActivated( w, pos, state, p, hand, heldItem, side, hitX, hitY, hitZ );
	}

	public enum CraftingUnitType
	{
		UNIT, ACCELERATOR, STORAGE_1K, STORAGE_4K, STORAGE_16K, STORAGE_64K, MONITOR
	}
}