package net.minecraft.world.level.block;

import com.mojang.serialization.MapCodec;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
import java.util.List;
import java.util.function.ToIntFunction;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.tags.BlockTags;
import net.minecraft.util.RandomSource;
import net.minecraft.util.Util;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.context.BlockPlaceContext;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelAccessor;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.ScheduledTickAccess;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.StateDefinition;
import net.minecraft.world.level.block.state.properties.BlockStateProperties;
import net.minecraft.world.level.block.state.properties.BooleanProperty;
import net.minecraft.world.level.block.state.properties.IntegerProperty;
import net.minecraft.world.level.material.FluidState;
import net.minecraft.world.level.material.Fluids;
import net.minecraft.world.phys.BlockHitResult;
import net.minecraft.world.phys.Vec3;
import net.minecraft.world.phys.shapes.CollisionContext;
import net.minecraft.world.phys.shapes.VoxelShape;

public class CandleBlock extends AbstractCandleBlock implements SimpleWaterloggedBlock {
	public static final MapCodec<CandleBlock> CODEC = simpleCodec(CandleBlock::new);
	public static final int MIN_CANDLES = 1;
	public static final int MAX_CANDLES = 4;
	public static final IntegerProperty CANDLES = BlockStateProperties.CANDLES;
	public static final BooleanProperty LIT = AbstractCandleBlock.LIT;
	public static final BooleanProperty WATERLOGGED = BlockStateProperties.WATERLOGGED;
	public static final ToIntFunction<BlockState> LIGHT_EMISSION = state -> state.getValue(LIT) ? 3 * (Integer)state.getValue(CANDLES) : 0;
	private static final Int2ObjectMap<List<Vec3>> PARTICLE_OFFSETS = Util.make(
		new Int2ObjectOpenHashMap<>(4),
		map -> {
			float s = 0.0625F;
			map.put(1, List.of(new Vec3(8.0, 8.0, 8.0).scale(0.0625)));
			map.put(2, List.of(new Vec3(6.0, 7.0, 8.0).scale(0.0625), new Vec3(10.0, 8.0, 7.0).scale(0.0625)));
			map.put(3, List.of(new Vec3(8.0, 5.0, 10.0).scale(0.0625), new Vec3(6.0, 7.0, 8.0).scale(0.0625), new Vec3(9.0, 8.0, 7.0).scale(0.0625)));
			map.put(
				4,
				List.of(
					new Vec3(7.0, 5.0, 9.0).scale(0.0625),
					new Vec3(10.0, 7.0, 9.0).scale(0.0625),
					new Vec3(6.0, 7.0, 6.0).scale(0.0625),
					new Vec3(9.0, 8.0, 6.0).scale(0.0625)
				)
			);
		}
	);
	private static final VoxelShape[] SHAPES = new VoxelShape[]{
		Block.column(2.0, 0.0, 6.0), Block.box(5.0, 0.0, 6.0, 11.0, 6.0, 9.0), Block.box(5.0, 0.0, 6.0, 10.0, 6.0, 11.0), Block.box(5.0, 0.0, 5.0, 11.0, 6.0, 10.0)
	};

	@Override
	public MapCodec<CandleBlock> codec() {
		return CODEC;
	}

	public CandleBlock(final BlockBehaviour.Properties properties) {
		super(properties);
		this.registerDefaultState(this.stateDefinition.any().setValue(CANDLES, 1).setValue(LIT, false).setValue(WATERLOGGED, false));
	}

	@Override
	protected InteractionResult useItemOn(
		final ItemStack itemStack,
		final BlockState state,
		final Level level,
		final BlockPos pos,
		final Player player,
		final InteractionHand hand,
		final BlockHitResult hitResult
	) {
		if (itemStack.isEmpty() && player.getAbilities().mayBuild && (Boolean)state.getValue(LIT)) {
			extinguish(player, state, level, pos);
			return InteractionResult.SUCCESS;
		} else {
			return super.useItemOn(itemStack, state, level, pos, player, hand, hitResult);
		}
	}

	@Override
	protected boolean canBeReplaced(final BlockState state, final BlockPlaceContext context) {
		return !context.isSecondaryUseActive() && context.getItemInHand().getItem() == this.asItem() && state.getValue(CANDLES) < 4
			? true
			: super.canBeReplaced(state, context);
	}

	@Override
	public BlockState getStateForPlacement(final BlockPlaceContext context) {
		BlockState state = context.getLevel().getBlockState(context.getClickedPos());
		if (state.is(this)) {
			return state.cycle(CANDLES);
		} else {
			FluidState replacedFluidState = context.getLevel().getFluidState(context.getClickedPos());
			boolean isWaterSource = replacedFluidState.is(Fluids.WATER);
			return super.getStateForPlacement(context).setValue(WATERLOGGED, isWaterSource);
		}
	}

	@Override
	protected BlockState updateShape(
		final BlockState state,
		final LevelReader level,
		final ScheduledTickAccess ticks,
		final BlockPos pos,
		final Direction directionToNeighbour,
		final BlockPos neighbourPos,
		final BlockState neighbourState,
		final RandomSource random
	) {
		if ((Boolean)state.getValue(WATERLOGGED)) {
			ticks.scheduleTick(pos, Fluids.WATER, Fluids.WATER.getTickDelay(level));
		}

		return super.updateShape(state, level, ticks, pos, directionToNeighbour, neighbourPos, neighbourState, random);
	}

	@Override
	protected FluidState getFluidState(final BlockState state) {
		return state.getValue(WATERLOGGED) ? Fluids.WATER.getSource(false) : super.getFluidState(state);
	}

	@Override
	protected VoxelShape getShape(final BlockState state, final BlockGetter level, final BlockPos pos, final CollisionContext context) {
		return SHAPES[state.getValue(CANDLES) - 1];
	}

	@Override
	protected void createBlockStateDefinition(final StateDefinition.Builder<Block, BlockState> builder) {
		builder.add(CANDLES, LIT, WATERLOGGED);
	}

	@Override
	public boolean placeLiquid(final LevelAccessor level, final BlockPos pos, final BlockState state, final FluidState fluidState) {
		if (!(Boolean)state.getValue(WATERLOGGED) && fluidState.is(Fluids.WATER)) {
			BlockState newState = state.setValue(WATERLOGGED, true);
			if ((Boolean)state.getValue(LIT)) {
				extinguish(null, newState, level, pos);
			} else {
				level.setBlock(pos, newState, 3);
			}

			level.scheduleTick(pos, fluidState.getType(), fluidState.getType().getTickDelay(level));
			return true;
		} else {
			return false;
		}
	}

	public static boolean canLight(final BlockState state) {
		return state.is(BlockTags.CANDLES, s -> s.hasProperty(LIT) && s.hasProperty(WATERLOGGED))
			&& !(Boolean)state.getValue(LIT)
			&& !(Boolean)state.getValue(WATERLOGGED);
	}

	@Override
	protected Iterable<Vec3> getParticleOffsets(final BlockState state) {
		return (Iterable<Vec3>)PARTICLE_OFFSETS.get(((Integer)state.getValue(CANDLES)).intValue());
	}

	@Override
	protected boolean canBeLit(final BlockState state) {
		return !(Boolean)state.getValue(WATERLOGGED) && super.canBeLit(state);
	}

	@Override
	protected boolean canSurvive(final BlockState state, final LevelReader level, final BlockPos pos) {
		return Block.canSupportCenter(level, pos.below(), Direction.UP);
	}
}