package net.minecraft.util.valueproviders;

import com.mojang.serialization.Codec;
import com.mojang.serialization.DataResult;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import net.minecraft.util.Mth;
import net.minecraft.util.RandomSource;

public record UniformFloat(float min, float max) implements FloatProvider {
	public static final MapCodec<UniformFloat> MAP_CODEC = RecordCodecBuilder.<UniformFloat>mapCodec(
			i -> i.group(Codec.FLOAT.fieldOf("min_inclusive").forGetter(UniformFloat::min), Codec.FLOAT.fieldOf("max_exclusive").forGetter(UniformFloat::max))
				.apply(i, UniformFloat::new)
		)
		.validate(u -> u.max <= u.min ? DataResult.error(() -> "Max must be larger than min, min: " + u.min + ", max: " + u.max) : DataResult.success(u));

	public static UniformFloat of(final float min, final float max) {
		if (max <= min) {
			throw new IllegalArgumentException("Max must exceed min");
		} else {
			return new UniformFloat(min, max);
		}
	}

	@Override
	public float sample(final RandomSource random) {
		return Mth.randomBetween(random, this.min, this.max);
	}

	@Override
	public MapCodec<UniformFloat> codec() {
		return MAP_CODEC;
	}

	public String toString() {
		return "[" + this.min + "-" + this.max + "]";
	}
}