package net.minecraft.world.item;

import com.google.common.collect.Interner;
import com.google.common.collect.Interners;
import com.google.common.collect.Maps;
import com.mojang.logging.LogUtils;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import net.minecraft.SharedConstants;
import net.minecraft.Util;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderLookup;
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.network.chat.Component;
import net.minecraft.resources.ResourceKey;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.sounds.SoundEvent;
import net.minecraft.sounds.SoundEvents;
import net.minecraft.util.Mth;
import net.minecraft.util.Unit;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.InteractionResultHolder;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.Entity;
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.component.ItemAttributeModifiers;
import net.minecraft.world.item.component.Tool;
import net.minecraft.world.item.context.UseOnContext;
import net.minecraft.world.level.ClipContext;
import net.minecraft.world.level.ItemLike;
import net.minecraft.world.level.Level;
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 {
	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;
	private final Holder.Reference<Item> builtInRegistryHolder = BuiltInRegistries.ITEM.createIntrusiveHolder(this);
	private final DataComponentMap components;
	@Nullable
	private final Item craftingRemainingItem;
	@Nullable
	private 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.components = properties.buildAndValidateComponents();
		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 Holder.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 canAttackBlock(BlockState state, Level level, BlockPos pos, Player player) {
		return 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;
	}

	/**
	 * Called to trigger the item's "innate" right click behavior. To handle when this item is used on a Block, see {@link net.minecraft.world.item.Item#useOn(net.minecraft.world.item.context.UseOnContext)}.
	 */
	public InteractionResultHolder<ItemStack> use(Level level, Player player, InteractionHand usedHand) {
		ItemStack itemStack = player.getItemInHand(usedHand);
		FoodProperties foodProperties = itemStack.get(DataComponents.FOOD);
		if (foodProperties != null) {
			if (player.canEat(foodProperties.canAlwaysEat())) {
				player.startUsingItem(usedHand);
				return InteractionResultHolder.consume(itemStack);
			} else {
				return InteractionResultHolder.fail(itemStack);
			}
		} else {
			return InteractionResultHolder.pass(player.getItemInHand(usedHand));
		}
	}

	/**
	 * 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) {
		FoodProperties foodProperties = stack.get(DataComponents.FOOD);
		return foodProperties != null ? livingEntity.eat(level, stack, foodProperties) : 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;
	}

	/**
	 * Current implementations of this method in child classes do not use the entry argument beside ev. They just raise the damage on the stack.
	 */
	public boolean hurtEnemy(ItemStack stack, LivingEntity target, LivingEntity attacker) {
		return false;
	}

	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 Component getDescription() {
		return Component.translatable(this.getDescriptionId());
	}

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

	protected String getOrCreateDescriptionId() {
		if (this.descriptionId == null) {
			this.descriptionId = Util.makeDescriptionId("item", BuiltInRegistries.ITEM.getKey(this));
		}

		return this.descriptionId;
	}

	/**
	 * Returns the unlocalized name of this item.
	 */
	public String getDescriptionId() {
		return this.getOrCreateDescriptionId();
	}

	/**
	 * Returns the unlocalized name of this item. This version accepts an ItemStack so different stacks can have different names based on their damage or NBT.
	 */
	public String getDescriptionId(ItemStack stack) {
		return this.getDescriptionId();
	}

	@Nullable
	public final Item getCraftingRemainingItem() {
		return this.craftingRemainingItem;
	}

	/**
	 * True if this Item has a container item (a.k.a. crafting result)
	 */
	public boolean hasCraftingRemainingItem() {
		return this.craftingRemainingItem != null;
	}

	/**
	 * Called each tick as long the item is in a player's inventory. Used by maps to check if it's in a player's hand and update its contents.
	 */
	public void inventoryTick(ItemStack stack, Level level, Entity entity, int slotId, boolean isSelected) {
	}

	/**
	 * Called when item is crafted/smelted. Used only by maps so far.
	 */
	public void onCraftedBy(ItemStack stack, Level level, Player player) {
		this.onCraftedPostProcess(stack, level);
	}

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

	/**
	 * Returns {@code true} if this is a complex item.
	 */
	public boolean isComplex() {
		return false;
	}

	/**
	 * Returns the action that specifies what animation to play when the item is being used.
	 */
	public UseAnim getUseAnimation(ItemStack stack) {
		return stack.has(DataComponents.FOOD) ? UseAnim.EAT : UseAnim.NONE;
	}

	public int getUseDuration(ItemStack stack, LivingEntity entity) {
		FoodProperties foodProperties = stack.get(DataComponents.FOOD);
		return foodProperties != null ? foodProperties.eatDurationTicks() : 0;
	}

	/**
	 * Called when the player stops using an Item (stops holding the right mouse button).
	 */
	public void releaseUsing(ItemStack stack, Level level, LivingEntity livingEntity, int timeCharged) {
	}

	public void appendHoverText(ItemStack stack, Item.TooltipContext context, List<Component> tooltipComponents, TooltipFlag tooltipFlag) {
	}

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

	public Component getName(ItemStack stack) {
		return Component.translatable(this.getDescriptionId(stack));
	}

	/**
	 * 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();
	}

	/**
	 * Checks isDamagable and if it cannot be stacked
	 */
	public boolean isEnchantable(ItemStack stack) {
		return stack.getMaxStackSize() == 1 && stack.has(DataComponents.MAX_DAMAGE);
	}

	protected static BlockHitResult getPlayerPOVHitResult(Level level, Player player, ClipContext.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, ClipContext.Block.OUTLINE, fluidMode, player));
	}

	/**
	 * Return the enchantability factor of the item, most of the time is based on material.
	 */
	public int getEnchantmentValue() {
		return 0;
	}

	/**
	 * Return whether this item is repairable in an anvil.
	 */
	public boolean isValidRepairItem(ItemStack stack, ItemStack repairCandidate) {
		return false;
	}

	@Deprecated
	public ItemAttributeModifiers getDefaultAttributeModifiers() {
		return ItemAttributeModifiers.EMPTY;
	}

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

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

	public SoundEvent getDrinkingSound() {
		return SoundEvents.GENERIC_DRINK;
	}

	public SoundEvent getEatingSound() {
		return SoundEvents.GENERIC_EAT;
	}

	public SoundEvent getBreakingSound() {
		return SoundEvents.ITEM_BREAK;
	}

	public boolean canFitInsideContainerItems() {
		return true;
	}

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

	public static class Properties {
		private static final Interner<DataComponentMap> COMPONENT_INTERNER = Interners.newStrongInterner();
		@Nullable
		private DataComponentMap.Builder components;
		@Nullable
		Item craftingRemainingItem;
		FeatureFlagSet requiredFeatures = FeatureFlags.VANILLA_SET;

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

		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.FIRE_RESISTANT, Unit.INSTANCE);
		}

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

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

		public <T> Item.Properties component(DataComponentType<T> component, T value) {
			if (this.components == null) {
				this.components = DataComponentMap.builder().addAll(DataComponents.COMMON_ITEM_COMPONENTS);
			}

			this.components.set(component, value);
			return this;
		}

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

		DataComponentMap buildAndValidateComponents() {
			DataComponentMap dataComponentMap = this.buildComponents();
			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;
			}
		}

		private DataComponentMap buildComponents() {
			return this.components == null ? DataComponents.COMMON_ITEM_COMPONENTS : COMPONENT_INTERNER.intern(this.components.build());
		}
	}

	public interface TooltipContext {
		Item.TooltipContext EMPTY = new Item.TooltipContext() {
			@Nullable
			@Override
			public HolderLookup.Provider registries() {
				return null;
			}

			@Override
			public float tickRate() {
				return 20.0F;
			}

			@Nullable
			@Override
			public MapItemSavedData mapData(MapId mapId) {
				return null;
			}
		};

		@Nullable
		HolderLookup.Provider registries();

		float tickRate();

		@Nullable
		MapItemSavedData mapData(MapId mapId);

		static Item.TooltipContext of(@Nullable Level level) {
			return level == null ? EMPTY : new Item.TooltipContext() {
				@Override
				public HolderLookup.Provider registries() {
					return level.registryAccess();
				}

				@Override
				public float tickRate() {
					return level.tickRateManager().tickrate();
				}

				@Override
				public MapItemSavedData mapData(MapId mapId) {
					return level.getMapData(mapId);
				}
			};
		}

		static Item.TooltipContext of(HolderLookup.Provider registries) {
			return new Item.TooltipContext() {
				@Override
				public HolderLookup.Provider registries() {
					return registries;
				}

				@Override
				public float tickRate() {
					return 20.0F;
				}

				@Nullable
				@Override
				public MapItemSavedData mapData(MapId mapId) {
					return null;
				}
			};
		}
	}
}