package net.minecraft.util.datafix.fixes;

import com.mojang.datafixers.DSL;
import com.mojang.datafixers.Typed;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.serialization.Dynamic;
import java.util.Optional;

public class PlayerHeadBlockProfileFix extends NamedEntityFix {
	public PlayerHeadBlockProfileFix(final Schema outputSchema) {
		super(outputSchema, false, "PlayerHeadBlockProfileFix", References.BLOCK_ENTITY, "minecraft:skull");
	}

	@Override
	protected Typed<?> fix(final Typed<?> entity) {
		return entity.update(DSL.remainderFinder(), this::fix);
	}

	private <T> Dynamic<T> fix(Dynamic<T> entity) {
		Optional<Dynamic<T>> skullOwner = entity.get("SkullOwner").result();
		Optional<Dynamic<T>> extraType = entity.get("ExtraType").result();
		Optional<Dynamic<T>> profile = skullOwner.or(() -> extraType);
		if (profile.isEmpty()) {
			return entity;
		} else {
			entity = entity.remove("SkullOwner").remove("ExtraType");
			return entity.set("profile", ItemStackComponentizationFix.fixProfile((Dynamic<?>)profile.get()));
		}
	}
}