/*
 * This file is part of Applied Energistics 2.
 * Copyright (c) 2013 - 2015, 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.networking;


import java.util.EnumSet;
import java.util.List;
import java.util.Random;

import net.minecraft.block.Block;
import net.minecraft.block.state.IBlockState;
import net.minecraft.client.particle.EffectRenderer;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.EnumDyeColor;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumWorldBlockLayer;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.Vec3;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;
import net.minecraftforge.fml.common.registry.GameRegistry;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;
import appeng.api.parts.IPartHost;
import appeng.api.parts.PartItemStack;
import appeng.api.parts.SelectedPart;
import appeng.api.util.AEColor;
import appeng.block.AEBaseTileBlock;
import appeng.client.render.BaseBlockRender;
import appeng.client.render.blocks.RendererCableBus;
import appeng.core.AEConfig;
import appeng.core.Api;
import appeng.core.CommonHelper;
import appeng.core.features.AECableBusFeatureHandler;
import appeng.core.features.AEFeature;
import appeng.helpers.AEGlassMaterial;
import appeng.integration.IntegrationRegistry;
import appeng.integration.IntegrationType;
import appeng.integration.abstraction.IFMP;
import appeng.parts.ICableBusContainer;
import appeng.parts.NullCableBusContainer;
import appeng.tile.AEBaseTile;
import appeng.tile.networking.TileCableBus;
import appeng.tile.networking.TileCableBusTESR;
import appeng.util.Platform;

// TODO: MFR INTEGRATION
//@Interface( iface = "powercrystals.minefactoryreloaded.api.rednet.connectivity.IRedNetConnection", iname = "MFR" )
public class BlockCableBus extends AEBaseTileBlock // implements IRedNetConnection
{

	private static final ICableBusContainer NULL_CABLE_BUS = new NullCableBusContainer();
	public static Class<? extends TileEntity> noTesrTile;
	public static Class<? extends TileEntity> tesrTile;
	/**
	 * Immibis MB Support.
	 */
	boolean ImmibisMicroblocks_TransformableBlockMarker = true;

	public BlockCableBus()
	{
		super( AEGlassMaterial.INSTANCE );
		this.setLightOpacity( 0 );
		this.isFullSize = this.isOpaque = false;

		// this will actually be overwritten later through setupTile and the combined layers
		this.setTileEntity( TileCableBus.class );
		this.setFeature( EnumSet.of( AEFeature.Core ) );
	}

	@Override
	public void randomDisplayTick(
			World worldIn,
			BlockPos pos,
			IBlockState state,
			Random rand )
	{
		this.cb( worldIn, pos ).randomDisplayTick( worldIn, pos, rand );
	}

	@Override
	public void onNeighborChange(
			IBlockAccess w,
			BlockPos pos,
			BlockPos neighbor )
	{
		this.cb( w, pos ).onNeighborChanged();
	}

	@Override
	public Item getItemDropped(
			IBlockState state,
			Random rand,
			int fortune )
	{
		return null;
	}

	@Override
	public int isProvidingWeakPower(
			IBlockAccess w,
			BlockPos pos,
			IBlockState state,
			EnumFacing side )
	{
		return this.cb( w, pos ).isProvidingWeakPower( side.getOpposite() ); // TODO: IS OPPOSITE!?
	}

	@Override
	public boolean canProvidePower()
	{
		return true;
	}

	@Override
	public void onEntityCollidedWithBlock(
			World w,
			BlockPos pos,
			IBlockState state,
			Entity entityIn )
	{
		this.cb( w, pos ).onEntityCollision( entityIn );
	}

	@Override
	public int isProvidingStrongPower(
			IBlockAccess w,
			BlockPos pos,
			IBlockState state,
			EnumFacing side )
	{
		return this.cb( w, pos ).isProvidingStrongPower( side.getOpposite() );  // TODO: IS OPPOSITE!?
	}

	@Override
	public int getLightValue(
			IBlockAccess world,
			BlockPos pos )
	{
		IBlockState block = world.getBlockState( pos );
		if( block != null && block.getBlock() != this )
		{
			return block.getBlock().getLightValue( world, pos );
		}
		if( block == null )
		{
			return 0;
		}
		return this.cb( world, pos ).getLightValue();
	}

	@Override
	public boolean isLadder( IBlockAccess world, BlockPos pos, EntityLivingBase entity )
	{
		return this.cb( world, pos ).isLadder( entity );
	}

	@Override
	public boolean isSideSolid( IBlockAccess w, BlockPos pos, EnumFacing side )
	{
		return this.cb( w, pos ).isSolidOnSide( side );
	}

	@Override
	public boolean isReplaceable(
			World w,
			BlockPos pos )
	{
		return this.cb( w, pos ).isEmpty();
	}

	@Override
	public boolean removedByPlayer(
			World world,
			BlockPos pos,
			EntityPlayer player,
			boolean willHarvest )
	{
		if( player.capabilities.isCreativeMode )
		{
			AEBaseTile tile = this.getTileEntity( world, pos );
			if( tile != null )
			{
				tile.disableDrops();
			}
			// maybe ray trace?
		}
		return super.removedByPlayer( world, pos, player, willHarvest );
	}

	@Override
	public boolean canConnectRedstone(
			IBlockAccess w,
			BlockPos pos,
			EnumFacing side )
	{
		if ( side == null )
			side = EnumFacing.UP;
		
		return this.cb( w, pos ).canConnectRedstone( EnumSet.of( side ) );
	}

	@Override
	public boolean canRenderInLayer(
			EnumWorldBlockLayer layer )
	{
		if( AEConfig.instance.isFeatureEnabled( AEFeature.AlphaPass ) )
		{
			return layer == EnumWorldBlockLayer.CUTOUT || layer == EnumWorldBlockLayer.TRANSLUCENT;
		}

		return layer == EnumWorldBlockLayer.CUTOUT;
	}

	@Override
	public ItemStack getPickBlock(
			MovingObjectPosition target,
			World world,
			BlockPos pos )
	{
		Vec3 v3 = target.hitVec.subtract( pos.getX(), pos.getY(), pos.getZ() );
		SelectedPart sp = this.cb( world, pos ).selectPart( v3 );

		if( sp.part != null )
		{
			return sp.part.getItemStack( PartItemStack.Pick );
		}
		else if( sp.facade != null )
		{
			return sp.facade.getItemStack();
		}

		return null;
	}

	@Override
	@SideOnly( Side.CLIENT )
	public boolean addHitEffects( World world, MovingObjectPosition target, EffectRenderer effectRenderer )
	{
		Object object = this.cb( world, target.getBlockPos() );
		if( object instanceof IPartHost )
		{
			IPartHost host = (IPartHost) object;

			// TODO HIT EFFECTS
			/*
			for( AEPartLocation side : AEPartLocation.values() )
			{
				IPart p = host.getPart( side );
				TextureAtlasSprite ico = this.getIcon( p );

				if( ico == null )
				{
					continue;
				}

				byte b0 = (byte) ( Platform.getRandomInt() % 2 == 0 ? 1 : 0 );

				for( int i1 = 0; i1 < b0; ++i1 )
				{
					for( int j1 = 0; j1 < b0; ++j1 )
					{
						for( int k1 = 0; k1 < b0; ++k1 )
						{
							double d0 = target.blockX + ( i1 + 0.5D ) / b0;
							double d1 = target.blockY + ( j1 + 0.5D ) / b0;
							double d2 = target.blockZ + ( k1 + 0.5D ) / b0;

							double dd0 = target.hitVec.xCoord;
							double dd1 = target.hitVec.yCoord;
							double dd2 = target.hitVec.zCoord;
							EntityDiggingFX fx = ( new EntityDiggingFX( world, dd0, dd1, dd2, d0 - target.blockX - 0.5D, d1 - target.blockY - 0.5D, d2 - target.blockZ - 0.5D, this, 0 ) ).applyColourMultiplier( target.blockX, target.blockY, target.blockZ );

							fx.setParticleIcon( ico );

							effectRenderer.addEffect( fx );
						}
					}
				}
			}
			*/
		}

		return true;
	}

	@Override
	public boolean addDestroyEffects(
			World world,
			BlockPos pos,
			EffectRenderer effectRenderer )
	{
		Object object = this.cb( world, pos );
		if( object instanceof IPartHost )
		{
			IPartHost host = (IPartHost) object;

			// TODO DESTROY EFFECTS
			/*
			for( AEPartLocation side : AEPartLocation.values() )
			{
				IPart p = host.getPart( side );
				TextureAtlasSprite ico = this.getIcon( p );

				if( ico == null )
				{
					continue;
				}

				byte b0 = 3;

				for( int i1 = 0; i1 < b0; ++i1 )
				{
					for( int j1 = 0; j1 < b0; ++j1 )
					{
						for( int k1 = 0; k1 < b0; ++k1 )
						{
							double d0 = x + ( i1 + 0.5D ) / b0;
							double d1 = y + ( j1 + 0.5D ) / b0;
							double d2 = z + ( k1 + 0.5D ) / b0;
							EntityDiggingFX fx = ( new EntityDiggingFX( world, d0, d1, d2, d0 - x - 0.5D, d1 - y - 0.5D, d2 - z - 0.5D, this, meta ) ).applyColourMultiplier( x, y, z );

							fx.setParticleIcon( ico );

							effectRenderer.addEffect( fx );
						}
					}
				}
			}
			*/
		}

		return true;
	}

	@Override
	public void onNeighborBlockChange(
			World w,
			BlockPos pos,
			IBlockState state,
			Block neighborBlock )
	{
		if( Platform.isServer() )
		{
			this.cb( w, pos ).onNeighborChanged();
		}
	}

	private ICableBusContainer cb( IBlockAccess w, BlockPos pos )
	{
		TileEntity te = w.getTileEntity( pos );
		ICableBusContainer out = null;

		if( te instanceof TileCableBus )
		{
			out = ( (TileCableBus) te ).cb;
		}
		else if( IntegrationRegistry.INSTANCE.isEnabled( IntegrationType.FMP ) )
		{
			out = ( (IFMP) IntegrationRegistry.INSTANCE.getInstance( IntegrationType.FMP ) ).getCableContainer( te );
		}

		return out == null ? NULL_CABLE_BUS : out;
	}

	@Override
	protected Class<? extends BaseBlockRender> getRenderer()
	{
		return RendererCableBus.class;
	}

	@Override
	public boolean onActivated(
			World w,
			BlockPos pos,
			EntityPlayer player,
			EnumFacing side,
			float hitX,
			float hitY,
			float hitZ )
	{
		return this.cb( w, pos ).activate( player, new Vec3( hitX, hitY, hitZ ) );
	}

	@Override
	public boolean recolorBlock(
			World world,
			BlockPos pos,
			EnumFacing side,
			EnumDyeColor color )
	{
		return this.recolorBlock( world, pos, side, color, null );
	}

	public boolean recolorBlock(
			World world,
			BlockPos pos,
			EnumFacing side,
			EnumDyeColor color,
			EntityPlayer who )
	{
		try
		{
			return this.cb( world, pos ).recolourBlock( side, AEColor.values()[ color.ordinal() ], who );
		}
		catch( Throwable ignored )
		{}
		return false;
	}

	@Override
	@SideOnly( Side.CLIENT )
	public void getCheckedSubBlocks( Item item, CreativeTabs tabs, List<ItemStack> itemStacks )
	{
		// do nothing
	}

	@Override
	public <T extends AEBaseTile> T getTileEntity( IBlockAccess w, BlockPos pos )
	{
		TileEntity te = w.getTileEntity( pos );

		if( noTesrTile.isInstance( te ) )
		{
			return (T) te;
		}

		if( tesrTile != null && tesrTile.isInstance( te ) )
		{
			return (T) te;
		}

		return null;
	}

	@Override
	protected void setFeature( EnumSet<AEFeature> f )
	{
		final AECableBusFeatureHandler featureHandler = new AECableBusFeatureHandler( f, this, this.featureSubName );
		this.setHandler( featureHandler );
	}

	public void setupTile()
	{
		noTesrTile = Api.INSTANCE.partHelper().getCombinedInstance( TileCableBus.class.getName() );
		this.setTileEntity( noTesrTile );
		GameRegistry.registerTileEntity( noTesrTile, "BlockCableBus" );
		if( Platform.isClient() )
		{
			tesrTile = Api.INSTANCE.partHelper().getCombinedInstance( TileCableBusTESR.class.getName() );
			GameRegistry.registerTileEntity( tesrTile, "ClientOnly_TESR_CableBus" );
			CommonHelper.proxy.bindTileEntitySpecialRenderer( tesrTile, this );
		}
	}

	/*
	 *  // TODO MFR INTEGRATION
		@Override
		@Method( iname = "MFR" )
		public RedNetConnectionType getConnectionType( World world, int x, int y, int z, AEPartLocation side )
		{
			return this.cb( world, x, y, z ).canConnectRedstone( EnumSet.allOf( AEPartLocation.class ) ) ? RedNetConnectionType.CableSingle : RedNetConnectionType.None;
		}
	*/
}