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.schemas.Schema;
import com.mojang.datafixers.util.Pair;
import com.mojang.serialization.Dynamic;
import java.util.Map;
import java.util.stream.Collectors;

public class OptionsKeyTranslationFix extends DataFix {
	public OptionsKeyTranslationFix(final Schema outputSchema, final boolean changesType) {
		super(outputSchema, changesType);
	}

	@Override
	public TypeRewriteRule makeRule() {
		return this.fixTypeEverywhereTyped(
			"OptionsKeyTranslationFix",
			this.getInputSchema().getType(References.OPTIONS),
			input -> input.update(
				DSL.remainderFinder(),
				tag -> (Dynamic)tag.getMapValues().map(map1 -> tag.createMap((Map<? extends Dynamic<?>, ? extends Dynamic<?>>)map1.entrySet().stream().map(entry -> {
					if (((Dynamic)entry.getKey()).asString("").startsWith("key_")) {
						String oldValue = ((Dynamic)entry.getValue()).asString("");
						if (!oldValue.startsWith("key.mouse") && !oldValue.startsWith("scancode.")) {
							return Pair.of((Dynamic)entry.getKey(), tag.createString("key.keyboard." + oldValue.substring("key.".length())));
						}
					}

					return Pair.of((Dynamic)entry.getKey(), (Dynamic)entry.getValue());
				}).collect(Collectors.toMap(Pair::getFirst, Pair::getSecond)))).result().orElse(tag)
			)
		);
	}
}