package net.minecraft.util.datafix.fixes;

import com.mojang.datafixers.DSL;
import com.mojang.datafixers.DataFix;
import com.mojang.datafixers.TypeRewriteRule;
import com.mojang.datafixers.Typed;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.datafixers.types.Type;
import com.mojang.serialization.Dynamic;
import java.util.stream.Stream;

public class IglooMetadataRemovalFix extends DataFix {
    public IglooMetadataRemovalFix(Schema p_15902_, boolean p_15903_) {
        super(p_15902_, p_15903_);
    }

    @Override
    protected TypeRewriteRule makeRule() {
        Type<?> type = this.getInputSchema().getType(References.STRUCTURE_FEATURE);
        return this.fixTypeEverywhereTyped(
            "IglooMetadataRemovalFix", type, p_274928_ -> p_274928_.update(DSL.remainderFinder(), IglooMetadataRemovalFix::fixTag)
        );
    }

    private static <T> Dynamic<T> fixTag(Dynamic<T> p_15905_) {
        boolean flag = p_15905_.get("Children").asStreamOpt().map(p_15911_ -> p_15911_.allMatch(IglooMetadataRemovalFix::isIglooPiece)).result().orElse(false);
        return flag ? p_15905_.set("id", p_15905_.createString("Igloo")).remove("Children") : p_15905_.update("Children", IglooMetadataRemovalFix::removeIglooPieces);
    }

    private static <T> Dynamic<T> removeIglooPieces(Dynamic<T> p_15909_) {
        return p_15909_.asStreamOpt()
            .map(p_15907_ -> p_15907_.filter(p_145382_ -> !isIglooPiece((Dynamic<?>)p_145382_)))
            .map(p_15909_::createList)
            .result()
            .orElse(p_15909_);
    }

    private static boolean isIglooPiece(Dynamic<?> p_15913_) {
        return p_15913_.get("id").asString("").equals("Iglu");
    }
}