/*
 * 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.networking;


import java.util.Collections;
import java.util.List;

import javax.annotation.Nullable;

import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyEnum;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
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.IStringSerializable;
import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

import appeng.api.util.AEPartLocation;
import appeng.block.AEBaseTileBlock;
import appeng.core.sync.GuiBridge;
import appeng.helpers.AEGlassMaterial;
import appeng.helpers.ICustomCollision;
import appeng.tile.networking.TileWireless;
import appeng.util.Platform;

public class BlockWireless extends AEBaseTileBlock implements ICustomCollision
{

	enum State implements IStringSerializable
	{
		OFF,
		ON,
		HAS_CHANNEL;

		@Override
		public String getName()
		{
			return name().toLowerCase();
		}
	}


	public static final PropertyEnum<State> STATE = PropertyEnum.create( "state", State.class );

	public BlockWireless()
	{
		super( AEGlassMaterial.INSTANCE );
		this.setTileEntity( TileWireless.class );
		this.setLightOpacity( 0 );
		this.setFullSize( false );
		this.setOpaque( false );
		this.setDefaultState( getDefaultState().withProperty( STATE, State.OFF ) );
	}

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

	@Override
	public IBlockState getActualState( IBlockState state, IBlockAccess worldIn, BlockPos pos )
	{
		State teState = State.OFF;

		TileWireless te = getTileEntity( worldIn, pos );
		if( te != null )
		{
			if( te.isActive() )
			{
				teState = State.HAS_CHANNEL;
			}
			else if( te.isPowered() )
			{
				teState = State.ON;
			}
		}

		return super.getActualState( state, worldIn, pos )
				.withProperty( STATE, teState );
	}

	@Override
	protected IProperty[] getAEStates()
	{
		return new IProperty[] { STATE };
	}

	@Override
	public boolean onBlockActivated( final World w, final BlockPos pos, final IBlockState state, final EntityPlayer player, final EnumHand hand, final @Nullable ItemStack heldItem, final EnumFacing side, final float hitX, final float hitY, final float hitZ )
	{
		if( player.isSneaking() )
		{
			return false;
		}

		final TileWireless tg = this.getTileEntity( w, pos );
		if( tg != null )
		{
			if( Platform.isServer() )
			{
				Platform.openGUI( player, tg, AEPartLocation.fromFacing( side ), GuiBridge.GUI_WIRELESS );
			}
			return true;
		}
		return false;
	}

	@Override
	public Iterable<AxisAlignedBB> getSelectedBoundingBoxesFromPool( final World w, final BlockPos pos, final Entity thePlayer, final boolean b )
	{
		final TileWireless tile = this.getTileEntity( w, pos );
		if( tile != null )
		{
			final EnumFacing forward = tile.getForward();

			double minX = 0;
			double minY = 0;
			double minZ = 0;
			double maxX = 1;
			double maxY = 1;
			double maxZ = 1;

			switch( forward )
			{
				case DOWN:
					minZ = minX = 3.0 / 16.0;
					maxZ = maxX = 13.0 / 16.0;
					maxY = 1.0;
					minY = 5.0 / 16.0;
					break;
				case EAST:
					minZ = minY = 3.0 / 16.0;
					maxZ = maxY = 13.0 / 16.0;
					maxX = 11.0 / 16.0;
					minX = 0.0;
					break;
				case NORTH:
					minY = minX = 3.0 / 16.0;
					maxY = maxX = 13.0 / 16.0;
					maxZ = 1.0;
					minZ = 5.0 / 16.0;
					break;
				case SOUTH:
					minY = minX = 3.0 / 16.0;
					maxY = maxX = 13.0 / 16.0;
					maxZ = 11.0 / 16.0;
					minZ = 0.0;
					break;
				case UP:
					minZ = minX = 3.0 / 16.0;
					maxZ = maxX = 13.0 / 16.0;
					maxY = 11.0 / 16.0;
					minY = 0.0;
					break;
				case WEST:
					minZ = minY = 3.0 / 16.0;
					maxZ = maxY = 13.0 / 16.0;
					maxX = 1.0;
					minX = 5.0 / 16.0;
					break;
				default:
					break;
			}

			return Collections.singletonList( new AxisAlignedBB( minX, minY, minZ, maxX, maxY, maxZ ) );
		}
		return Collections.singletonList( new AxisAlignedBB( 0.0, 0, 0.0, 1.0, 1.0, 1.0 ) );
	}

	@Override
	public void addCollidingBlockToList( final World w, final BlockPos pos, final AxisAlignedBB bb, final List<AxisAlignedBB> out, final Entity e )
	{
		final TileWireless tile = this.getTileEntity( w, pos );
		if( tile != null )
		{
			final EnumFacing forward = tile.getForward();

			double minX = 0;
			double minY = 0;
			double minZ = 0;
			double maxX = 1;
			double maxY = 1;
			double maxZ = 1;

			switch( forward )
			{
				case DOWN:
					minZ = minX = 3.0 / 16.0;
					maxZ = maxX = 13.0 / 16.0;
					maxY = 1.0;
					minY = 5.0 / 16.0;
					break;
				case EAST:
					minZ = minY = 3.0 / 16.0;
					maxZ = maxY = 13.0 / 16.0;
					maxX = 11.0 / 16.0;
					minX = 0.0;
					break;
				case NORTH:
					minY = minX = 3.0 / 16.0;
					maxY = maxX = 13.0 / 16.0;
					maxZ = 1.0;
					minZ = 5.0 / 16.0;
					break;
				case SOUTH:
					minY = minX = 3.0 / 16.0;
					maxY = maxX = 13.0 / 16.0;
					maxZ = 11.0 / 16.0;
					minZ = 0.0;
					break;
				case UP:
					minZ = minX = 3.0 / 16.0;
					maxZ = maxX = 13.0 / 16.0;
					maxY = 11.0 / 16.0;
					minY = 0.0;
					break;
				case WEST:
					minZ = minY = 3.0 / 16.0;
					maxZ = maxY = 13.0 / 16.0;
					maxX = 1.0;
					minX = 5.0 / 16.0;
					break;
				default:
					break;
			}

			out.add( new AxisAlignedBB( minX, minY, minZ, maxX, maxY, maxZ ) );
		}
		else
		{
			out.add( new AxisAlignedBB( 0.0, 0.0, 0.0, 1.0, 1.0, 1.0 ) );
		}
	}

	@Override
	public boolean isFullCube( IBlockState state )
	{
		return false;
	}

}