package net.minecraft.world.entity.projectile;

import net.minecraft.nbt.CompoundTag;
import net.minecraft.network.syncher.EntityDataAccessor;
import net.minecraft.network.syncher.EntityDataSerializers;
import net.minecraft.network.syncher.SynchedEntityData;
import net.minecraft.network.syncher.SynchedEntityData.Builder;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.Level;

public abstract class ThrowableItemProjectile extends ThrowableProjectile implements ItemSupplier {
	private static final EntityDataAccessor<ItemStack> DATA_ITEM_STACK = SynchedEntityData.defineId(
		ThrowableItemProjectile.class, EntityDataSerializers.ITEM_STACK
	);

	public ThrowableItemProjectile(EntityType<? extends ThrowableItemProjectile> entityType, Level level) {
		super(entityType, level);
	}

	public ThrowableItemProjectile(EntityType<? extends ThrowableItemProjectile> entityType, double x, double y, double z, Level level, ItemStack item) {
		super(entityType, x, y, z, level);
		this.setItem(item);
	}

	public ThrowableItemProjectile(EntityType<? extends ThrowableItemProjectile> entityType, LivingEntity owner, Level level, ItemStack item) {
		this(entityType, owner.getX(), owner.getEyeY() - 0.1F, owner.getZ(), level, item);
		this.setOwner(owner);
	}

	public void setItem(ItemStack stack) {
		this.getEntityData().set(DATA_ITEM_STACK, stack.copyWithCount(1));
	}

	protected abstract Item getDefaultItem();

	@Override
	public ItemStack getItem() {
		return this.getEntityData().get(DATA_ITEM_STACK);
	}

	@Override
	protected void defineSynchedData(Builder builder) {
		builder.define(DATA_ITEM_STACK, new ItemStack(this.getDefaultItem()));
	}

	@Override
	public void addAdditionalSaveData(CompoundTag tag) {
		super.addAdditionalSaveData(tag);
		tag.put("Item", this.getItem().save(this.registryAccess()));
	}

	@Override
	public void readAdditionalSaveData(CompoundTag tag) {
		super.readAdditionalSaveData(tag);
		if (tag.contains("Item", 10)) {
			this.setItem((ItemStack)ItemStack.parse(this.registryAccess(), tag.getCompound("Item")).orElseGet(() -> new ItemStack(this.getDefaultItem())));
		} else {
			this.setItem(new ItemStack(this.getDefaultItem()));
		}
	}
}