package net.minecraft.world.level.block.entity;

import net.minecraft.core.BlockPos;
import net.minecraft.core.component.DataComponentGetter;
import net.minecraft.core.component.DataComponentMap;
import net.minecraft.core.component.DataComponents;
import net.minecraft.resources.ResourceKey;
import net.minecraft.world.RandomizableContainer;
import net.minecraft.world.entity.player.Inventory;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.inventory.AbstractContainerMenu;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.component.SeededContainerLoot;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.storage.ValueOutput;
import net.minecraft.world.level.storage.loot.LootTable;
import net.minecraft.world.phys.Vec3;
import org.jspecify.annotations.Nullable;

public abstract class RandomizableContainerBlockEntity extends BaseContainerBlockEntity implements RandomizableContainer {
	@Nullable
	protected ResourceKey<LootTable> lootTable;
	protected long lootTableSeed = 0L;

	protected RandomizableContainerBlockEntity(final BlockEntityType<?> type, final BlockPos worldPosition, final BlockState blockState) {
		super(type, worldPosition, blockState);
	}

	@Nullable
	@Override
	public ResourceKey<LootTable> getLootTable() {
		return this.lootTable;
	}

	@Override
	public void setLootTable(@Nullable final ResourceKey<LootTable> lootTable) {
		this.lootTable = lootTable;
	}

	@Override
	public long getLootTableSeed() {
		return this.lootTableSeed;
	}

	@Override
	public void setLootTableSeed(final long lootTableSeed) {
		this.lootTableSeed = lootTableSeed;
	}

	@Override
	public boolean isEmpty() {
		this.unpackLootTable(null);
		return super.isEmpty();
	}

	@Override
	public ItemStack getItem(final int slot) {
		this.unpackLootTable(null);
		return super.getItem(slot);
	}

	@Override
	public ItemStack removeItem(final int slot, final int count) {
		this.unpackLootTable(null);
		return super.removeItem(slot, count);
	}

	@Override
	public ItemStack removeItemNoUpdate(final int slot) {
		this.unpackLootTable(null);
		return super.removeItemNoUpdate(slot);
	}

	@Override
	public void setItem(final int slot, final ItemStack itemStack) {
		this.unpackLootTable(null);
		super.setItem(slot, itemStack);
	}

	@Override
	public boolean canOpen(final Player player) {
		return (this.lootTable == null || !player.isSpectator()) && super.canOpen(player);
	}

	@Nullable
	@Override
	public AbstractContainerMenu createMenu(final int containerId, final Inventory inventory, final Player player) {
		if (this.canOpen(player)) {
			this.unpackLootTable(inventory.player);
			return this.createMenu(containerId, inventory);
		} else {
			if (!player.isSpectator()) {
				BaseContainerBlockEntity.sendChestLockedNotifications(Vec3.atCenterOf(this.getBlockPos()), player, this.getDisplayName());
			}

			return null;
		}
	}

	@Override
	protected void applyImplicitComponents(final DataComponentGetter components) {
		super.applyImplicitComponents(components);
		SeededContainerLoot loot = components.get(DataComponents.CONTAINER_LOOT);
		if (loot != null) {
			this.lootTable = loot.lootTable();
			this.lootTableSeed = loot.seed();
		}
	}

	@Override
	protected void collectImplicitComponents(final DataComponentMap.Builder components) {
		super.collectImplicitComponents(components);
		if (this.lootTable != null) {
			components.set(DataComponents.CONTAINER_LOOT, new SeededContainerLoot(this.lootTable, this.lootTableSeed));
		}
	}

	@Override
	public void removeComponentsFromTag(final ValueOutput output) {
		super.removeComponentsFromTag(output);
		output.discard("LootTable");
		output.discard("LootTableSeed");
	}
}