package net.minecraft.util.datafix.fixes;

import com.mojang.datafixers.DSL;
import com.mojang.datafixers.DataFix;
import com.mojang.datafixers.OpticFinder;
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.datafixers.types.templates.TaggedChoice.TaggedChoiceType;
import com.mojang.datafixers.util.Pair;
import com.mojang.serialization.Dynamic;
import java.util.Map;
import java.util.Optional;
import net.minecraft.Util;
import net.minecraft.util.datafix.LegacyComponentDataFixUtils;

public class BannerEntityCustomNameToOverrideComponentFix extends DataFix {
	public BannerEntityCustomNameToOverrideComponentFix(Schema outputSchema) {
		super(outputSchema, false);
	}

	@Override
	public TypeRewriteRule makeRule() {
		Type<?> type = this.getInputSchema().getType(References.BLOCK_ENTITY);
		TaggedChoiceType<?> taggedChoiceType = this.getInputSchema().findChoiceType(References.BLOCK_ENTITY);
		OpticFinder<?> opticFinder = type.findField("CustomName");
		OpticFinder<Pair<String, String>> opticFinder2 = DSL.typeFinder((Type<Pair<String, String>>)this.getInputSchema().getType(References.TEXT_COMPONENT));
		return this.fixTypeEverywhereTyped("Banner entity custom_name to item_name component fix", type, typed -> {
			Object object = typed.get(taggedChoiceType.finder()).getFirst();
			return object.equals("minecraft:banner") ? this.fix(typed, opticFinder2, opticFinder) : typed;
		});
	}

	private Typed<?> fix(Typed<?> data, OpticFinder<Pair<String, String>> textComponentTypeOptic, OpticFinder<?> customNameOptic) {
		Optional<String> optional = data.getOptionalTyped(customNameOptic).flatMap(typed -> typed.getOptional(textComponentTypeOptic).map(Pair::getSecond));
		boolean bl = optional.flatMap(LegacyComponentDataFixUtils::extractTranslationString)
			.filter(string -> string.equals("block.minecraft.ominous_banner"))
			.isPresent();
		return bl
			? Util.writeAndReadTypedOrThrow(
				data,
				data.getType(),
				dynamic -> {
					Dynamic<?> dynamic2 = dynamic.createMap(
						Map.of(
							dynamic.createString("minecraft:item_name"),
							dynamic.createString((String)optional.get()),
							dynamic.createString("minecraft:hide_additional_tooltip"),
							dynamic.emptyMap()
						)
					);
					return dynamic.set("components", dynamic2).remove("CustomName");
				}
			)
			: data;
	}
}