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 net.minecraft.util.datafix.LegacyComponentDataFixUtils;
import net.minecraft.util.datafix.schemas.NamespacedSchema;

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

	@Override
	public TypeRewriteRule makeRule() {
		Type<?> type = this.getInputSchema().getType(References.BLOCK_ENTITY);
		Type<?> type2 = this.getInputSchema().getType(References.ITEM_STACK);
		TaggedChoiceType<?> taggedChoiceType = this.getInputSchema().findChoiceType(References.BLOCK_ENTITY);
		OpticFinder<Pair<String, String>> opticFinder = DSL.fieldFinder("id", DSL.named(References.ITEM_NAME.typeName(), NamespacedSchema.namespacedString()));
		OpticFinder<?> opticFinder2 = type.findField("components");
		OpticFinder<?> opticFinder3 = type2.findField("components");
		OpticFinder<?> opticFinder4 = opticFinder2.type().findField("minecraft:item_name");
		OpticFinder<Pair<String, String>> opticFinder5 = DSL.typeFinder((Type<Pair<String, String>>)this.getInputSchema().getType(References.TEXT_COMPONENT));
		return TypeRewriteRule.seq(this.fixTypeEverywhereTyped("Ominous Banner block entity common rarity to uncommon rarity fix", type, typed -> {
			Object object = typed.get(taggedChoiceType.finder()).getFirst();
			return object.equals("minecraft:banner") ? this.fix(typed, opticFinder2, opticFinder4, opticFinder5) : typed;
		}), this.fixTypeEverywhereTyped("Ominous Banner item stack common rarity to uncommon rarity fix", type2, typed -> {
			String string = (String)typed.getOptional(opticFinder).map(Pair::getSecond).orElse("");
			return string.equals("minecraft:white_banner") ? this.fix(typed, opticFinder3, opticFinder4, opticFinder5) : typed;
		}));
	}

	private Typed<?> fix(Typed<?> data, OpticFinder<?> componentField, OpticFinder<?> itemNameField, OpticFinder<Pair<String, String>> textComponentField) {
		return data.updateTyped(
			componentField,
			typed -> {
				boolean bl = typed.getOptionalTyped(itemNameField)
					.flatMap(typedx -> typedx.getOptional(textComponentField))
					.map(Pair::getSecond)
					.flatMap(LegacyComponentDataFixUtils::extractTranslationString)
					.filter(string -> string.equals("block.minecraft.ominous_banner"))
					.isPresent();
				return bl
					? typed.updateTyped(
							itemNameField,
							typedx -> typedx.set(
								textComponentField,
								Pair.of(References.TEXT_COMPONENT.typeName(), LegacyComponentDataFixUtils.createTranslatableComponentJson("block.minecraft.ominous_banner"))
							)
						)
						.update(DSL.remainderFinder(), dynamic -> dynamic.set("minecraft:rarity", dynamic.createString("uncommon")))
					: typed;
			}
		);
	}
}