package net.minecraft.server;

import com.mojang.datafixers.DSL;
import com.mojang.datafixers.DataFix;
import com.mojang.datafixers.Dynamic;
import com.mojang.datafixers.TypeRewriteRule;
import com.mojang.datafixers.Typed;
import com.mojang.datafixers.schemas.Schema;
import java.util.Locale;
import java.util.Optional;

public class DataConverterLang extends DataFix {

    public DataConverterLang(Schema schema, boolean flag) {
        super(schema, flag);
    }

    public TypeRewriteRule makeRule() {
        return this.fixTypeEverywhereTyped("OptionsLowerCaseLanguageFix", this.getInputSchema().getType(DataConverterTypes.OPTIONS), (typed) -> {
            return typed.update(DSL.remainderFinder(), (dynamic) -> {
                Optional<String> optional = dynamic.get("lang").asString();

                return optional.isPresent() ? dynamic.set("lang", dynamic.createString(((String) optional.get()).toLowerCase(Locale.ROOT))) : dynamic;
            });
        });
    }
}