package net.minecraft.world.item;

import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.Maps;
import com.mojang.logging.LogUtils;
import com.mojang.serialization.Codec;
import com.mojang.serialization.DataResult;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.function.Consumer;
import net.minecraft.SharedConstants;
import net.minecraft.Util;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderGetter;
import net.minecraft.core.HolderLookup;
import net.minecraft.core.HolderSet;
import net.minecraft.core.Holder.Reference;
import net.minecraft.core.component.DataComponentMap;
import net.minecraft.core.component.DataComponentType;
import net.minecraft.core.component.DataComponents;
import net.minecraft.core.registries.BuiltInRegistries;
import net.minecraft.core.registries.Registries;
import net.minecraft.network.RegistryFriendlyByteBuf;
import net.minecraft.network.chat.CommonComponents;
import net.minecraft.network.chat.Component;
import net.minecraft.network.codec.ByteBufCodecs;
import net.minecraft.network.codec.StreamCodec;
import net.minecraft.resources.DependantName;
import net.minecraft.resources.ResourceKey;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.sounds.SoundEvents;
import net.minecraft.tags.BlockTags;
import net.minecraft.tags.DamageTypeTags;
import net.minecraft.tags.EntityTypeTags;
import net.minecraft.tags.TagKey;
import net.minecraft.util.Mth;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.EquipmentSlot;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.SlotAccess;
import net.minecraft.world.entity.item.ItemEntity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.flag.FeatureElement;
import net.minecraft.world.flag.FeatureFlag;
import net.minecraft.world.flag.FeatureFlagSet;
import net.minecraft.world.flag.FeatureFlags;
import net.minecraft.world.food.FoodProperties;
import net.minecraft.world.inventory.ClickAction;
import net.minecraft.world.inventory.Slot;
import net.minecraft.world.inventory.tooltip.TooltipComponent;
import net.minecraft.world.item.Item.TooltipContext.1;
import net.minecraft.world.item.Item.TooltipContext.2;
import net.minecraft.world.item.Item.TooltipContext.3;
import net.minecraft.world.item.component.BlocksAttacks;
import net.minecraft.world.item.component.Consumable;
import net.minecraft.world.item.component.Consumables;
import net.minecraft.world.item.component.DamageResistant;
import net.minecraft.world.item.component.ItemAttributeModifiers;
import net.minecraft.world.item.component.ProvidesTrimMaterial;
import net.minecraft.world.item.component.Tool;
import net.minecraft.world.item.component.TooltipDisplay;
import net.minecraft.world.item.component.UseCooldown;
import net.minecraft.world.item.component.UseRemainder;
import net.minecraft.world.item.context.UseOnContext;
import net.minecraft.world.item.enchantment.Enchantable;
import net.minecraft.world.item.enchantment.Repairable;
import net.minecraft.world.item.equipment.ArmorMaterial;
import net.minecraft.world.item.equipment.ArmorType;
import net.minecraft.world.item.equipment.Equippable;
import net.minecraft.world.item.equipment.trim.TrimMaterial;
import net.minecraft.world.level.ClipContext;
import net.minecraft.world.level.ItemLike;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.ClipContext.Fluid;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.saveddata.maps.MapId;
import net.minecraft.world.level.saveddata.maps.MapItemSavedData;
import net.minecraft.world.phys.BlockHitResult;
import net.minecraft.world.phys.Vec3;
import org.jetbrains.annotations.Nullable;
import org.slf4j.Logger;

public class Item implements FeatureElement, ItemLike {
	public static final Codec<Holder<Item>> CODEC = BuiltInRegistries.ITEM
		.holderByNameCodec()
		.validate(holder -> holder.is(Items.AIR.builtInRegistryHolder()) ? DataResult.error(() -> "Item must not be minecraft:air") : DataResult.success(holder));
	public static final StreamCodec<RegistryFriendlyByteBuf, Holder<Item>> STREAM_CODEC = ByteBufCodecs.holderRegistry(Registries.ITEM);
	private static final Logger LOGGER = LogUtils.getLogger();
	public static final Map<Block, Item> BY_BLOCK = Maps.<Block, Item>newHashMap();
	public static final ResourceLocation BASE_ATTACK_DAMAGE_ID = ResourceLocation.withDefaultNamespace("base_attack_damage");
	public static final ResourceLocation BASE_ATTACK_SPEED_ID = ResourceLocation.withDefaultNamespace("base_attack_speed");
	public static final int DEFAULT_MAX_STACK_SIZE = 64;
	public static final int ABSOLUTE_MAX_STACK_SIZE = 99;
	public static final int MAX_BAR_WIDTH = 13;
	protected static final int APPROXIMATELY_INFINITE_USE_DURATION = 72000;
	private final Reference<Item> builtInRegistryHolder = BuiltInRegistries.ITEM.createIntrusiveHolder(this);
	private final DataComponentMap components;
	@Nullable
	private final Item craftingRemainingItem;
	protected final String descriptionId;
	private final FeatureFlagSet requiredFeatures;

	public static int getId(Item item) {
		return item == null ? 0 : BuiltInRegistries.ITEM.getId(item);
	}

	public static Item byId(int id) {
		return BuiltInRegistries.ITEM.byId(id);
	}

	@Deprecated
	public static Item byBlock(Block block) {
		return (Item)BY_BLOCK.getOrDefault(block, Items.AIR);
	}

	public Item(Item.Properties properties) {
		this.descriptionId = properties.effectiveDescriptionId();
		this.components = properties.buildAndValidateComponents(Component.translatable(this.descriptionId), properties.effectiveModel());
		this.craftingRemainingItem = properties.craftingRemainingItem;
		this.requiredFeatures = properties.requiredFeatures;
		if (SharedConstants.IS_RUNNING_IN_IDE) {
			String string = this.getClass().getSimpleName();
			if (!string.endsWith("Item")) {
				LOGGER.error("Item classes should end with Item and {} doesn't.", string);
			}
		}
	}

	@Deprecated
	public Reference<Item> builtInRegistryHolder() {
		return this.builtInRegistryHolder;
	}

	public DataComponentMap components() {
		return this.components;
	}

	public int getDefaultMaxStackSize() {
		return this.components.getOrDefault(DataComponents.MAX_STACK_SIZE, 1);
	}

	/**
	 * Called as the item is being used by an entity.
	 */
	public void onUseTick(Level level, LivingEntity livingEntity, ItemStack stack, int remainingUseDuration) {
	}

	public void onDestroyed(ItemEntity itemEntity) {
	}

	public void verifyComponentsAfterLoad(ItemStack stack) {
	}

	public boolean canDestroyBlock(ItemStack stack, BlockState state, Level level, BlockPos pos, LivingEntity entity) {
		Tool tool = stack.get(DataComponents.TOOL);
		return tool != null && !tool.canDestroyBlocksInCreative() ? !(entity instanceof Player player && player.getAbilities().instabuild) : true;
	}

	@Override
	public Item asItem() {
		return this;
	}

	/**
	 * Called when this item is used when targeting a Block
	 */
	public InteractionResult useOn(UseOnContext context) {
		return InteractionResult.PASS;
	}

	public float getDestroySpeed(ItemStack stack, BlockState state) {
		Tool tool = stack.get(DataComponents.TOOL);
		return tool != null ? tool.getMiningSpeed(state) : 1.0F;
	}

	public InteractionResult use(Level level, Player player, InteractionHand hand) {
		ItemStack itemStack = player.getItemInHand(hand);
		Consumable consumable = itemStack.get(DataComponents.CONSUMABLE);
		if (consumable != null) {
			return consumable.startConsuming(player, itemStack, hand);
		} else {
			Equippable equippable = itemStack.get(DataComponents.EQUIPPABLE);
			if (equippable != null && equippable.swappable()) {
				return equippable.swapWithEquipmentSlot(itemStack, player);
			} else {
				BlocksAttacks blocksAttacks = itemStack.get(DataComponents.BLOCKS_ATTACKS);
				if (blocksAttacks != null) {
					player.startUsingItem(hand);
					return InteractionResult.CONSUME;
				} else {
					return InteractionResult.PASS;
				}
			}
		}
	}

	/**
	 * Called when the player finishes using this Item (E.g. finishes eating.). Not called when the player stops using the Item before the action is complete.
	 */
	public ItemStack finishUsingItem(ItemStack stack, Level level, LivingEntity livingEntity) {
		Consumable consumable = stack.get(DataComponents.CONSUMABLE);
		return consumable != null ? consumable.onConsume(level, livingEntity, stack) : stack;
	}

	public boolean isBarVisible(ItemStack stack) {
		return stack.isDamaged();
	}

	public int getBarWidth(ItemStack stack) {
		return Mth.clamp(Math.round(13.0F - stack.getDamageValue() * 13.0F / stack.getMaxDamage()), 0, 13);
	}

	public int getBarColor(ItemStack stack) {
		int i = stack.getMaxDamage();
		float f = Math.max(0.0F, ((float)i - stack.getDamageValue()) / i);
		return Mth.hsvToRgb(f / 3.0F, 1.0F, 1.0F);
	}

	public boolean overrideStackedOnOther(ItemStack stack, Slot slot, ClickAction action, Player player) {
		return false;
	}

	public boolean overrideOtherStackedOnMe(ItemStack stack, ItemStack other, Slot slot, ClickAction action, Player player, SlotAccess access) {
		return false;
	}

	public float getAttackDamageBonus(Entity target, float damage, DamageSource damageSource) {
		return 0.0F;
	}

	@Nullable
	public DamageSource getDamageSource(LivingEntity entity) {
		return null;
	}

	public void hurtEnemy(ItemStack stack, LivingEntity target, LivingEntity attacker) {
	}

	public void postHurtEnemy(ItemStack stack, LivingEntity target, LivingEntity attacker) {
	}

	/**
	 * Called when a {@link net.minecraft.world.level.block.Block} is destroyed using this Item. Return {@code true} to trigger the "Use Item" statistic.
	 */
	public boolean mineBlock(ItemStack stack, Level level, BlockState state, BlockPos pos, LivingEntity miningEntity) {
		Tool tool = stack.get(DataComponents.TOOL);
		if (tool == null) {
			return false;
		} else {
			if (!level.isClientSide && state.getDestroySpeed(level, pos) != 0.0F && tool.damagePerBlock() > 0) {
				stack.hurtAndBreak(tool.damagePerBlock(), miningEntity, EquipmentSlot.MAINHAND);
			}

			return true;
		}
	}

	public boolean isCorrectToolForDrops(ItemStack stack, BlockState state) {
		Tool tool = stack.get(DataComponents.TOOL);
		return tool != null && tool.isCorrectForDrops(state);
	}

	/**
	 * Try interacting with given entity. Return {@code InteractionResult.PASS} if nothing should happen.
	 */
	public InteractionResult interactLivingEntity(ItemStack stack, Player player, LivingEntity interactionTarget, InteractionHand usedHand) {
		return InteractionResult.PASS;
	}

	public String toString() {
		return BuiltInRegistries.ITEM.wrapAsHolder(this).getRegisteredName();
	}

	public final ItemStack getCraftingRemainder() {
		return this.craftingRemainingItem == null ? ItemStack.EMPTY : new ItemStack(this.craftingRemainingItem);
	}

	public void inventoryTick(ItemStack stack, ServerLevel level, Entity entity, @Nullable EquipmentSlot slot) {
	}

	public void onCraftedBy(ItemStack stack, Player player) {
		this.onCraftedPostProcess(stack, player.level());
	}

	public void onCraftedPostProcess(ItemStack stack, Level level) {
	}

	public ItemUseAnimation getUseAnimation(ItemStack stack) {
		Consumable consumable = stack.get(DataComponents.CONSUMABLE);
		if (consumable != null) {
			return consumable.animation();
		} else {
			BlocksAttacks blocksAttacks = stack.get(DataComponents.BLOCKS_ATTACKS);
			return blocksAttacks != null ? ItemUseAnimation.BLOCK : ItemUseAnimation.NONE;
		}
	}

	public int getUseDuration(ItemStack stack, LivingEntity entity) {
		Consumable consumable = stack.get(DataComponents.CONSUMABLE);
		if (consumable != null) {
			return consumable.consumeTicks();
		} else {
			BlocksAttacks blocksAttacks = stack.get(DataComponents.BLOCKS_ATTACKS);
			return blocksAttacks != null ? 72000 : 0;
		}
	}

	public boolean releaseUsing(ItemStack stack, Level level, LivingEntity entity, int timeLeft) {
		return false;
	}

	@Deprecated
	public void appendHoverText(ItemStack stack, Item.TooltipContext context, TooltipDisplay tooltipDisplay, Consumer<Component> tooltipAdder, TooltipFlag flag) {
	}

	public Optional<TooltipComponent> getTooltipImage(ItemStack stack) {
		return Optional.empty();
	}

	/**
	 * Returns the unlocalized name of this item.
	 */
	@VisibleForTesting
	public final String getDescriptionId() {
		return this.descriptionId;
	}

	public final Component getName() {
		return this.components.getOrDefault(DataComponents.ITEM_NAME, CommonComponents.EMPTY);
	}

	public Component getName(ItemStack stack) {
		return stack.getComponents().getOrDefault(DataComponents.ITEM_NAME, CommonComponents.EMPTY);
	}

	/**
	 * Returns {@code true} if this item has an enchantment glint. By default, this returns {@code stack.isEnchanted()}, but other items can override it (for instance, written books always return true).
	 * 
	 * Note that if you override this method, you generally want to also call the super version (on {@link Item}) to get the glint for enchanted items. Of course, that is unnecessary if the overwritten version always returns true.
	 */
	public boolean isFoil(ItemStack stack) {
		return stack.isEnchanted();
	}

	protected static BlockHitResult getPlayerPOVHitResult(Level level, Player player, Fluid fluidMode) {
		Vec3 vec3 = player.getEyePosition();
		Vec3 vec32 = vec3.add(player.calculateViewVector(player.getXRot(), player.getYRot()).scale(player.blockInteractionRange()));
		return level.clip(new ClipContext(vec3, vec32, net.minecraft.world.level.ClipContext.Block.OUTLINE, fluidMode, player));
	}

	/**
	 * If this stack's item is a crossbow
	 */
	public boolean useOnRelease(ItemStack stack) {
		return false;
	}

	public ItemStack getDefaultInstance() {
		return new ItemStack(this);
	}

	public boolean canFitInsideContainerItems() {
		return true;
	}

	@Override
	public FeatureFlagSet requiredFeatures() {
		return this.requiredFeatures;
	}

	public boolean shouldPrintOpWarning(ItemStack stack, @Nullable Player player) {
		return false;
	}

	public static class Properties {
		private static final DependantName<Item, String> BLOCK_DESCRIPTION_ID = resourceKey -> Util.makeDescriptionId("block", resourceKey.location());
		private static final DependantName<Item, String> ITEM_DESCRIPTION_ID = resourceKey -> Util.makeDescriptionId("item", resourceKey.location());
		private final DataComponentMap.Builder components = DataComponentMap.builder().addAll(DataComponents.COMMON_ITEM_COMPONENTS);
		@Nullable
		Item craftingRemainingItem;
		FeatureFlagSet requiredFeatures = FeatureFlags.VANILLA_SET;
		@Nullable
		private ResourceKey<Item> id;
		private DependantName<Item, String> descriptionId = ITEM_DESCRIPTION_ID;
		private DependantName<Item, ResourceLocation> model = ResourceKey::location;

		public Item.Properties food(FoodProperties food) {
			return this.food(food, Consumables.DEFAULT_FOOD);
		}

		public Item.Properties food(FoodProperties food, Consumable consumable) {
			return this.component(DataComponents.FOOD, food).component(DataComponents.CONSUMABLE, consumable);
		}

		public Item.Properties usingConvertsTo(Item usingConvertsTo) {
			return this.component(DataComponents.USE_REMAINDER, new UseRemainder(new ItemStack(usingConvertsTo)));
		}

		public Item.Properties useCooldown(float useCooldown) {
			return this.component(DataComponents.USE_COOLDOWN, new UseCooldown(useCooldown));
		}

		public Item.Properties stacksTo(int maxStackSize) {
			return this.component(DataComponents.MAX_STACK_SIZE, maxStackSize);
		}

		public Item.Properties durability(int maxDamage) {
			this.component(DataComponents.MAX_DAMAGE, maxDamage);
			this.component(DataComponents.MAX_STACK_SIZE, 1);
			this.component(DataComponents.DAMAGE, 0);
			return this;
		}

		public Item.Properties craftRemainder(Item craftingRemainingItem) {
			this.craftingRemainingItem = craftingRemainingItem;
			return this;
		}

		public Item.Properties rarity(Rarity rarity) {
			return this.component(DataComponents.RARITY, rarity);
		}

		public Item.Properties fireResistant() {
			return this.component(DataComponents.DAMAGE_RESISTANT, new DamageResistant(DamageTypeTags.IS_FIRE));
		}

		public Item.Properties jukeboxPlayable(ResourceKey<JukeboxSong> song) {
			return this.component(DataComponents.JUKEBOX_PLAYABLE, new JukeboxPlayable(new EitherHolder<>(song)));
		}

		public Item.Properties enchantable(int enchantmentValue) {
			return this.component(DataComponents.ENCHANTABLE, new Enchantable(enchantmentValue));
		}

		public Item.Properties repairable(Item repairItem) {
			return this.component(DataComponents.REPAIRABLE, new Repairable(HolderSet.direct(repairItem.builtInRegistryHolder())));
		}

		public Item.Properties repairable(TagKey<Item> repairItems) {
			HolderGetter<Item> holderGetter = BuiltInRegistries.acquireBootstrapRegistrationLookup(BuiltInRegistries.ITEM);
			return this.component(DataComponents.REPAIRABLE, new Repairable(holderGetter.getOrThrow(repairItems)));
		}

		public Item.Properties equippable(EquipmentSlot slot) {
			return this.component(DataComponents.EQUIPPABLE, Equippable.builder(slot).build());
		}

		public Item.Properties equippableUnswappable(EquipmentSlot slot) {
			return this.component(DataComponents.EQUIPPABLE, Equippable.builder(slot).setSwappable(false).build());
		}

		public Item.Properties tool(ToolMaterial material, TagKey<Block> mineableBlocks, float attackDamage, float attackSpeed, float disableBlockingForSeconds) {
			return material.applyToolProperties(this, mineableBlocks, attackDamage, attackSpeed, disableBlockingForSeconds);
		}

		public Item.Properties pickaxe(ToolMaterial material, float attackDamage, float attackSpeed) {
			return this.tool(material, BlockTags.MINEABLE_WITH_PICKAXE, attackDamage, attackSpeed, 0.0F);
		}

		public Item.Properties axe(ToolMaterial material, float attackDamage, float attackSpeed) {
			return this.tool(material, BlockTags.MINEABLE_WITH_AXE, attackDamage, attackSpeed, 5.0F);
		}

		public Item.Properties hoe(ToolMaterial material, float attackDamage, float attackSpeed) {
			return this.tool(material, BlockTags.MINEABLE_WITH_HOE, attackDamage, attackSpeed, 0.0F);
		}

		public Item.Properties shovel(ToolMaterial material, float attackDamage, float attackSpeed) {
			return this.tool(material, BlockTags.MINEABLE_WITH_SHOVEL, attackDamage, attackSpeed, 0.0F);
		}

		public Item.Properties sword(ToolMaterial material, float attackDamage, float attackSpeed) {
			return material.applySwordProperties(this, attackDamage, attackSpeed);
		}

		public Item.Properties humanoidArmor(ArmorMaterial material, ArmorType type) {
			return this.durability(type.getDurability(material.durability()))
				.attributes(material.createAttributes(type))
				.enchantable(material.enchantmentValue())
				.component(DataComponents.EQUIPPABLE, Equippable.builder(type.getSlot()).setEquipSound(material.equipSound()).setAsset(material.assetId()).build())
				.repairable(material.repairIngredient());
		}

		public Item.Properties wolfArmor(ArmorMaterial material) {
			return this.durability(ArmorType.BODY.getDurability(material.durability()))
				.attributes(material.createAttributes(ArmorType.BODY))
				.repairable(material.repairIngredient())
				.component(
					DataComponents.EQUIPPABLE,
					Equippable.builder(EquipmentSlot.BODY)
						.setEquipSound(material.equipSound())
						.setAsset(material.assetId())
						.setAllowedEntities(HolderSet.direct(EntityType.WOLF.builtInRegistryHolder()))
						.build()
				)
				.component(DataComponents.BREAK_SOUND, SoundEvents.WOLF_ARMOR_BREAK)
				.stacksTo(1);
		}

		public Item.Properties horseArmor(ArmorMaterial material) {
			HolderGetter<EntityType<?>> holderGetter = BuiltInRegistries.acquireBootstrapRegistrationLookup(BuiltInRegistries.ENTITY_TYPE);
			return this.attributes(material.createAttributes(ArmorType.BODY))
				.component(
					DataComponents.EQUIPPABLE,
					Equippable.builder(EquipmentSlot.BODY)
						.setEquipSound(SoundEvents.HORSE_ARMOR)
						.setAsset(material.assetId())
						.setAllowedEntities(holderGetter.getOrThrow(EntityTypeTags.CAN_WEAR_HORSE_ARMOR))
						.setDamageOnHurt(false)
						.build()
				)
				.stacksTo(1);
		}

		public Item.Properties trimMaterial(ResourceKey<TrimMaterial> trimMaterial) {
			return this.component(DataComponents.PROVIDES_TRIM_MATERIAL, new ProvidesTrimMaterial(trimMaterial));
		}

		public Item.Properties requiredFeatures(FeatureFlag... requiredFeatures) {
			this.requiredFeatures = FeatureFlags.REGISTRY.subset(requiredFeatures);
			return this;
		}

		public Item.Properties setId(ResourceKey<Item> id) {
			this.id = id;
			return this;
		}

		public Item.Properties overrideDescription(String description) {
			this.descriptionId = DependantName.fixed(description);
			return this;
		}

		public Item.Properties useBlockDescriptionPrefix() {
			this.descriptionId = BLOCK_DESCRIPTION_ID;
			return this;
		}

		public Item.Properties useItemDescriptionPrefix() {
			this.descriptionId = ITEM_DESCRIPTION_ID;
			return this;
		}

		protected String effectiveDescriptionId() {
			return this.descriptionId.get((ResourceKey<Item>)Objects.requireNonNull(this.id, "Item id not set"));
		}

		public ResourceLocation effectiveModel() {
			return this.model.get((ResourceKey<Item>)Objects.requireNonNull(this.id, "Item id not set"));
		}

		public <T> Item.Properties component(DataComponentType<T> component, T value) {
			this.components.set(component, value);
			return this;
		}

		public Item.Properties attributes(ItemAttributeModifiers attributes) {
			return this.component(DataComponents.ATTRIBUTE_MODIFIERS, attributes);
		}

		DataComponentMap buildAndValidateComponents(Component itemName, ResourceLocation itemModel) {
			DataComponentMap dataComponentMap = this.components.set(DataComponents.ITEM_NAME, itemName).set(DataComponents.ITEM_MODEL, itemModel).build();
			if (dataComponentMap.has(DataComponents.DAMAGE) && dataComponentMap.getOrDefault(DataComponents.MAX_STACK_SIZE, 1) > 1) {
				throw new IllegalStateException("Item cannot have both durability and be stackable");
			} else {
				return dataComponentMap;
			}
		}
	}

	public interface TooltipContext {
		Item.TooltipContext EMPTY = new 1();

		@Nullable
		HolderLookup.Provider registries();

		float tickRate();

		@Nullable
		MapItemSavedData mapData(MapId mapId);

		static Item.TooltipContext of(@Nullable Level level) {
			return (Item.TooltipContext)(level == null ? EMPTY : new 2(level));
		}

		static Item.TooltipContext of(HolderLookup.Provider registries) {
			return new 3(registries);
		}
	}
}