package net.minecraft.util;

import io.netty.util.internal.ThreadLocalRandom;
import net.minecraft.world.level.levelgen.LegacyRandomSource;
import net.minecraft.world.level.levelgen.PositionalRandomFactory;
import net.minecraft.world.level.levelgen.RandomSupport;
import net.minecraft.world.level.levelgen.SingleThreadedRandomSource;
import net.minecraft.world.level.levelgen.ThreadSafeLegacyRandomSource;

public interface RandomSource {
	@Deprecated
	double GAUSSIAN_SPREAD_FACTOR = 2.297;

	static RandomSource create() {
		return create(RandomSupport.generateUniqueSeed());
	}

	@Deprecated
	static RandomSource createThreadSafe() {
		return new ThreadSafeLegacyRandomSource(RandomSupport.generateUniqueSeed());
	}

	static RandomSource create(final long seed) {
		return new LegacyRandomSource(seed);
	}

	static RandomSource createThreadLocalInstance() {
		return new SingleThreadedRandomSource(ThreadLocalRandom.current().nextLong());
	}

	static RandomSource createThreadLocalInstance(final long seed) {
		return new SingleThreadedRandomSource(seed);
	}

	RandomSource fork();

	PositionalRandomFactory forkPositional();

	void setSeed(long seed);

	int nextInt();

	int nextInt(int bound);

	default int nextIntBetweenInclusive(final int min, final int maxInclusive) {
		return this.nextInt(maxInclusive - min + 1) + min;
	}

	long nextLong();

	boolean nextBoolean();

	float nextFloat();

	double nextDouble();

	double nextGaussian();

	default double triangle(final double mean, final double spread) {
		return mean + spread * (this.nextDouble() - this.nextDouble());
	}

	default float triangle(final float mean, final float spread) {
		return mean + spread * (this.nextFloat() - this.nextFloat());
	}

	default void consumeCount(final int rounds) {
		for (int i = 0; i < rounds; i++) {
			this.nextInt();
		}
	}

	default int nextInt(final int origin, final int bound) {
		if (origin >= bound) {
			throw new IllegalArgumentException("bound - origin is non positive");
		} else {
			return origin + this.nextInt(bound - origin);
		}
	}
}