package net.minecraft.util.datafix.fixes;

import com.google.common.base.Suppliers;
import com.mojang.datafixers.DSL;
import com.mojang.datafixers.OpticFinder;
import com.mojang.datafixers.Typed;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.datafixers.types.Type;
import com.mojang.datafixers.util.Pair;
import java.util.function.Supplier;
import net.minecraft.util.datafix.ExtraDataFixUtils;
import net.minecraft.util.datafix.schemas.NamespacedSchema;

public class ThrownPotionSplitFix extends EntityRenameFix {
    private final Supplier<ThrownPotionSplitFix.ItemIdFinder> itemIdFinder = Suppliers.memoize(
        () -> {
            Type<?> type = this.getInputSchema().getChoiceType(References.ENTITY, "minecraft:potion");
            Type<?> type1 = ExtraDataFixUtils.patchSubType(
                type, this.getInputSchema().getType(References.ENTITY), this.getOutputSchema().getType(References.ENTITY)
            );
            OpticFinder<?> opticfinder = type1.findField("Item");
            OpticFinder<Pair<String, String>> opticfinder1 = DSL.fieldFinder("id", DSL.named(References.ITEM_NAME.typeName(), NamespacedSchema.namespacedString()));
            return new ThrownPotionSplitFix.ItemIdFinder(opticfinder, opticfinder1);
        }
    );

    public ThrownPotionSplitFix(Schema p_393626_) {
        super("ThrownPotionSplitFix", p_393626_, true);
    }

    @Override
    protected Pair<String, Typed<?>> fix(String p_391718_, Typed<?> p_396704_) {
        if (!p_391718_.equals("minecraft:potion")) {
            return Pair.of(p_391718_, p_396704_);
        } else {
            String s = this.itemIdFinder.get().getItemId(p_396704_);
            return "minecraft:lingering_potion".equals(s) ? Pair.of("minecraft:lingering_potion", p_396704_) : Pair.of("minecraft:splash_potion", p_396704_);
        }
    }

    record ItemIdFinder(OpticFinder<?> itemFinder, OpticFinder<Pair<String, String>> itemIdFinder) {
        public String getItemId(Typed<?> p_396590_) {
            return p_396590_.getOptionalTyped(this.itemFinder)
                .flatMap(p_395709_ -> p_395709_.getOptional(this.itemIdFinder))
                .map(Pair::getSecond)
                .map(NamespacedSchema::ensureNamespaced)
                .orElse("");
        }
    }
}