package net.minecraft.world.level.block;

import com.mojang.serialization.MapCodec;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.core.particles.BlockParticleOption;
import net.minecraft.core.particles.ParticleTypes;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.tags.BlockTags;
import net.minecraft.util.ParticleUtils;
import net.minecraft.util.RandomSource;
import net.minecraft.world.entity.item.FallingBlockEntity;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.Level;
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;

public abstract class FallingBlock extends Block implements Fallable {
	public FallingBlock(BlockBehaviour.Properties properties) {
		super(properties);
	}

	@Override
	protected abstract MapCodec<? extends FallingBlock> codec();

	@Override
	protected void onPlace(BlockState state, Level level, BlockPos pos, BlockState oldState, boolean movedByPiston) {
		level.scheduleTick(pos, this, this.getDelayAfterPlace());
	}

	@Override
	protected BlockState updateShape(
		BlockState state,
		LevelReader level,
		ScheduledTickAccess scheduledTickAccess,
		BlockPos pos,
		Direction direction,
		BlockPos neighborPos,
		BlockState neighborState,
		RandomSource random
	) {
		scheduledTickAccess.scheduleTick(pos, this, this.getDelayAfterPlace());
		return super.updateShape(state, level, scheduledTickAccess, pos, direction, neighborPos, neighborState, random);
	}

	@Override
	protected void tick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) {
		if (isFree(level.getBlockState(pos.below())) && pos.getY() >= level.getMinY()) {
			FallingBlockEntity fallingBlockEntity = FallingBlockEntity.fall(level, pos, state);
			this.falling(fallingBlockEntity);
		}
	}

	protected void falling(FallingBlockEntity entity) {
	}

	protected int getDelayAfterPlace() {
		return 2;
	}

	public static boolean isFree(BlockState state) {
		return state.isAir() || state.is(BlockTags.FIRE) || state.liquid() || state.canBeReplaced();
	}

	@Override
	public void animateTick(BlockState state, Level level, BlockPos pos, RandomSource random) {
		if (random.nextInt(16) == 0) {
			BlockPos blockPos = pos.below();
			if (isFree(level.getBlockState(blockPos))) {
				ParticleUtils.spawnParticleBelow(level, pos, random, new BlockParticleOption(ParticleTypes.FALLING_DUST, state));
			}
		}
	}

	public int getDustColor(BlockState state, BlockGetter level, BlockPos pos) {
		return -16777216;
	}
}