package net.minecraft.advancements.triggers;

import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Optional;
import net.minecraft.advancements.predicates.ContextAwarePredicate;
import net.minecraft.advancements.predicates.ItemPredicate;
import net.minecraft.advancements.predicates.MinMaxBounds;
import net.minecraft.advancements.predicates.entity.EntityPredicate;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.world.item.ItemInstance;
import net.minecraft.world.item.ItemStack;

public class ItemDurabilityTrigger extends SimpleCriterionTrigger<ItemDurabilityTrigger.TriggerInstance> {
	@Override
	public Codec<ItemDurabilityTrigger.TriggerInstance> codec() {
		return ItemDurabilityTrigger.TriggerInstance.CODEC;
	}

	public void trigger(final ServerPlayer player, final ItemStack itemStack, final int newDurability) {
		this.trigger(player, t -> t.matches(itemStack, newDurability));
	}

	public record TriggerInstance(Optional<ContextAwarePredicate> player, Optional<ItemPredicate> item, MinMaxBounds.Ints durability, MinMaxBounds.Ints delta)
		implements SimpleCriterionTrigger.SimpleInstance {
		public static final Codec<ItemDurabilityTrigger.TriggerInstance> CODEC = RecordCodecBuilder.create(
			i -> i.group(
					EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("player").forGetter(ItemDurabilityTrigger.TriggerInstance::player),
					ItemPredicate.CODEC.optionalFieldOf("item").forGetter(ItemDurabilityTrigger.TriggerInstance::item),
					MinMaxBounds.Ints.CODEC.optionalFieldOf("durability", MinMaxBounds.Ints.ANY).forGetter(ItemDurabilityTrigger.TriggerInstance::durability),
					MinMaxBounds.Ints.CODEC.optionalFieldOf("delta", MinMaxBounds.Ints.ANY).forGetter(ItemDurabilityTrigger.TriggerInstance::delta)
				)
				.apply(i, ItemDurabilityTrigger.TriggerInstance::new)
		);

		public static Criterion<ItemDurabilityTrigger.TriggerInstance> changedDurability(final Optional<ItemPredicate> item, final MinMaxBounds.Ints durability) {
			return changedDurability(Optional.empty(), item, durability);
		}

		public static Criterion<ItemDurabilityTrigger.TriggerInstance> changedDurability(
			final Optional<ContextAwarePredicate> player, final Optional<ItemPredicate> item, final MinMaxBounds.Ints durability
		) {
			return CriteriaTriggers.ITEM_DURABILITY_CHANGED.createCriterion(new ItemDurabilityTrigger.TriggerInstance(player, item, durability, MinMaxBounds.Ints.ANY));
		}

		public boolean matches(final ItemStack itemStack, final int newDurability) {
			if (this.item.isPresent() && !((ItemPredicate)this.item.get()).test((ItemInstance)itemStack)) {
				return false;
			} else {
				return !this.durability.matches(itemStack.getMaxDamage() - newDurability) ? false : this.delta.matches(itemStack.getDamageValue() - newDurability);
			}
		}
	}
}