/*
 * 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.misc;


import javax.annotation.Nullable;

import net.minecraft.block.Block;
import net.minecraft.block.SoundType;
import net.minecraft.block.material.Material;
import net.minecraft.block.BlockState;
import net.minecraft.entity.Entity;
import net.minecraft.entity.LivingEntity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.entity.projectile.AbstractArrowEntity;
import net.minecraft.item.Items;
import net.minecraft.item.ItemStack;
import net.minecraft.util.ActionResultType;
import net.minecraft.util.Hand;
import net.minecraft.util.SoundCategory;
import net.minecraft.util.SoundEvents;
import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.BlockRayTraceResult;
import net.minecraft.util.math.shapes.ISelectionContext;
import net.minecraft.util.math.shapes.VoxelShape;
import net.minecraft.util.math.shapes.VoxelShapes;
import net.minecraft.world.Explosion;
import net.minecraft.world.IBlockReader;
import net.minecraft.world.World;

import appeng.block.AEBaseBlock;
import appeng.entity.EntityTinyTNTPrimed;
import net.minecraft.world.server.ServerWorld;


public class BlockTinyTNT extends AEBaseBlock
{

	private static final VoxelShape SHAPE = VoxelShapes.create(new AxisAlignedBB( 0.25f, 0.0f, 0.25f, 0.75f, 0.5f, 0.75f ));

	public BlockTinyTNT()
	{
		super( Properties.create(Material.TNT).hardnessAndResistance(0).sound(SoundType.GROUND).notSolid() );
	}

	@Override
	public int getOpacity(BlockState state, IBlockReader worldIn, BlockPos pos) {
		return 2; // FIXME: Validate that this is the correct value range
	}

	@Override
	public VoxelShape getShape(BlockState state, IBlockReader worldIn, BlockPos pos, ISelectionContext context) {
		return SHAPE;
	}

	@Override
	public ActionResultType onActivated(final World w, final BlockPos pos, final PlayerEntity player, final Hand hand, final @Nullable ItemStack heldItem, final BlockRayTraceResult hit)
	{
		if( heldItem != null && heldItem.getItem() == Items.FLINT_AND_STEEL )
		{
			this.startFuse( w, pos, player );
			w.removeBlock(pos, false);
			heldItem.damageItem( 1, player, p -> {
				p.sendBreakAnimation(hand);
			} ); // FIXME Check if onBroken is equivalent
			return ActionResultType.SUCCESS;
		}
		else
		{
			return super.onActivated( w, pos, player, hand, heldItem, hit);
		}
	}

	public void startFuse( final World w, final BlockPos pos, final LivingEntity igniter )
	{
		if( !w.isRemote )
		{
			final EntityTinyTNTPrimed primedTinyTNTEntity = new EntityTinyTNTPrimed( w, pos.getX() + 0.5F, pos.getY() + 0.5F, pos.getZ() + 0.5F, igniter );
			w.addEntity( primedTinyTNTEntity );
			w.playSound( null, primedTinyTNTEntity.getPosX(), primedTinyTNTEntity.getPosY(), primedTinyTNTEntity.getPosZ(), SoundEvents.ENTITY_TNT_PRIMED,
					SoundCategory.BLOCKS, 1, 1 );
		}
	}

	@Override
	public void neighborChanged( BlockState state, World world, BlockPos pos, Block blockIn, BlockPos fromPos, boolean isMoving )
	{
		if( world.getRedstonePowerFromNeighbors( pos ) > 0 )
		{
			this.startFuse( world, pos, null );
			world.removeBlock(pos, false);
		}
	}

	@Override
	public void onBlockAdded(BlockState state, World w, BlockPos pos, BlockState oldState, boolean isMoving) {
		super.onBlockAdded( state, w, pos, oldState, isMoving );

		if( w.getRedstonePowerFromNeighbors( pos ) > 0 )
		{
			this.startFuse( w, pos, null );
			w.removeBlock(pos, false);
		}
	}

	@Override
	public void onEntityWalk( final World w, final BlockPos pos, final Entity entity )
	{
		if( entity instanceof AbstractArrowEntity && !w.isRemote )
		{
			final AbstractArrowEntity entityarrow = (AbstractArrowEntity) entity;

			if( entityarrow.isBurning() )
			{
				LivingEntity igniter = null;
				// Check if the shooter still exists
				if (w instanceof ServerWorld) {
					ServerWorld serverWorld = (ServerWorld) w;
					Entity shooter = serverWorld.getEntityByUuid(entityarrow.shootingEntity);
					if (shooter instanceof LivingEntity) {
						igniter = (LivingEntity) shooter;
					}

				}
				this.startFuse( w, pos, igniter );
				w.removeBlock(pos, false);
			}
		}
	}

	@Override
	public boolean canDropFromExplosion( final Explosion exp )
	{
		return false;
	}

	@Override
	public void onExplosionDestroy( final World w, final BlockPos pos, final Explosion exp )
	{
		super.onExplosionDestroy( w, pos, exp );
		if( !w.isRemote )
		{
			final EntityTinyTNTPrimed primedTinyTNTEntity = new EntityTinyTNTPrimed( w, pos.getX() + 0.5F, pos.getY() + 0.5F, pos.getZ() + 0.5F, exp
					.getExplosivePlacedBy() );
			primedTinyTNTEntity.setFuse( w.rand.nextInt( primedTinyTNTEntity.getFuse() / 4 ) + primedTinyTNTEntity.getFuse() / 8 );
			w.addEntity( primedTinyTNTEntity );
		}
	}

}