package net.minecraft.world.level.levelgen.feature;

import com.mojang.serialization.Codec;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.util.RandomSource;
import net.minecraft.world.level.WorldGenLevel;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.levelgen.feature.configurations.NoneFeatureConfiguration;

public class GlowstoneFeature extends Feature<NoneFeatureConfiguration> {
	public GlowstoneFeature(final Codec<NoneFeatureConfiguration> codec) {
		super(codec);
	}

	@Override
	public boolean place(final FeaturePlaceContext<NoneFeatureConfiguration> context) {
		WorldGenLevel level = context.level();
		BlockPos origin = context.origin();
		RandomSource random = context.random();
		if (!level.isEmptyBlock(origin)) {
			return false;
		} else {
			BlockState aboveState = level.getBlockState(origin.above());
			if (!aboveState.is(Blocks.NETHERRACK) && !aboveState.is(Blocks.BASALT) && !aboveState.is(Blocks.BLACKSTONE)) {
				return false;
			} else {
				level.setBlock(origin, Blocks.GLOWSTONE.defaultBlockState(), 2);

				for (int i = 0; i < 1500; i++) {
					BlockPos placePos = origin.offset(random.nextInt(8) - random.nextInt(8), -random.nextInt(12), random.nextInt(8) - random.nextInt(8));
					if (level.getBlockState(placePos).isAir()) {
						int neighbours = 0;

						for (Direction direction : Direction.values()) {
							if (level.getBlockState(placePos.relative(direction)).is(Blocks.GLOWSTONE)) {
								neighbours++;
							}

							if (neighbours > 1) {
								break;
							}
						}

						if (neighbours == 1) {
							level.setBlock(placePos, Blocks.GLOWSTONE.defaultBlockState(), 2);
						}
					}
				}

				return true;
			}
		}
	}
}