/*
 * 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.misc;


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

import javax.annotation.Nullable;

import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.client.Minecraft;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

import appeng.api.AEApi;
import appeng.api.util.AEAxisAlignedBB;
import appeng.block.AEBaseTileBlock;
import appeng.client.render.BaseBlockRender;
import appeng.client.render.blocks.RenderBlockCharger;
import appeng.client.render.effects.LightningFX;
import appeng.core.AEConfig;
import appeng.core.CommonHelper;
import appeng.core.features.AEFeature;
import appeng.helpers.ICustomCollision;
import appeng.tile.AEBaseTile;
import appeng.tile.misc.TileCharger;
import appeng.util.Platform;


public class BlockCharger extends AEBaseTileBlock implements ICustomCollision
{

	public BlockCharger()
	{
		super( Material.IRON );

		this.setTileEntity( TileCharger.class );
		this.setLightOpacity( 2 );
		this.setFullSize( this.setOpaque( false ) );
		this.setFeature( EnumSet.of( AEFeature.Core ) );
	}

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

	@Override
	public boolean onActivated( final World w, final BlockPos pos, 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;
		}

		if( Platform.isServer() )
		{
			final TileCharger tc = this.getTileEntity( w, pos );
			if( tc != null )
			{
				tc.activate( player );
			}
		}

		return true;
	}

	@Override
	@SideOnly( Side.CLIENT )
	public void randomDisplayTick( final IBlockState state, final World w, final BlockPos pos, final Random r )
	{
		if( !AEConfig.instance.enableEffects )
		{
			return;
		}

		if( r.nextFloat() < 0.98 )
		{
			return;
		}

		final AEBaseTile tile = this.getTileEntity( w, pos );
		if( tile instanceof TileCharger )
		{
			final TileCharger tc = (TileCharger) tile;

			if( AEApi.instance().definitions().materials().certusQuartzCrystalCharged().isSameAs( tc.getStackInSlot( 0 ) ) )
			{
				final double xOff = 0.0;
				final double yOff = 0.0;
				final double zOff = 0.0;

				for( int bolts = 0; bolts < 3; bolts++ )
				{
					if( CommonHelper.proxy.shouldAddParticles( r ) )
					{
						final LightningFX fx = new LightningFX( w, xOff + 0.5 + pos.getX(), yOff + 0.5 + pos.getY(), zOff + 0.5 + pos.getZ(), 0.0D, 0.0D, 0.0D );
						Minecraft.getMinecraft().effectRenderer.addEffect( fx );
					}
				}
			}
		}
	}

	@Override
	public Iterable<AxisAlignedBB> getSelectedBoundingBoxesFromPool( final World w, final BlockPos pos, final Entity thePlayer, final boolean b )
	{
		final TileCharger tile = this.getTileEntity( w, pos );
		if( tile != null )
		{
			final double twoPixels = 2.0 / 16.0;
			final EnumFacing up = tile.getUp();
			final EnumFacing forward = tile.getForward();
			final AEAxisAlignedBB bb = new AEAxisAlignedBB( twoPixels, twoPixels, twoPixels, 1.0 - twoPixels, 1.0 - twoPixels, 1.0 - twoPixels );

			if( up.getFrontOffsetX() != 0 )
			{
				bb.minX = 0;
				bb.maxX = 1;
			}
			if( up.getFrontOffsetY() != 0 )
			{
				bb.minY = 0;
				bb.maxY = 1;
			}
			if( up.getFrontOffsetZ() != 0 )
			{
				bb.minZ = 0;
				bb.maxZ = 1;
			}

			switch( forward )
			{
				case DOWN:
					bb.maxY = 1;
					break;
				case UP:
					bb.minY = 0;
					break;
				case NORTH:
					bb.maxZ = 1;
					break;
				case SOUTH:
					bb.minZ = 0;
					break;
				case EAST:
					bb.minX = 0;
					break;
				case WEST:
					bb.maxX = 1;
					break;
				default:
					break;
			}

			return Collections.singletonList( bb.getBoundingBox() );
		}
		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 )
	{
		out.add( new AxisAlignedBB( 0.0, 0.0, 0.0, 1.0, 1.0, 1.0 ) );
	}
}