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

import com.mojang.logging.LogUtils;
import com.mojang.serialization.Codec;
import com.mojang.serialization.MapCodec;
import java.util.HashSet;
import java.util.Set;
import net.minecraft.CrashReportCategory;
import net.minecraft.CrashReportDetail;
import net.minecraft.core.BlockPos;
import net.minecraft.core.HolderLookup;
import net.minecraft.core.SectionPos;
import net.minecraft.core.component.DataComponentGetter;
import net.minecraft.core.component.DataComponentMap;
import net.minecraft.core.component.DataComponentPatch;
import net.minecraft.core.component.DataComponentType;
import net.minecraft.core.component.DataComponents;
import net.minecraft.core.component.PatchedDataComponentMap;
import net.minecraft.core.registries.BuiltInRegistries;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.NbtOps;
import net.minecraft.nbt.Tag;
import net.minecraft.network.chat.Component;
import net.minecraft.network.chat.ComponentSerialization;
import net.minecraft.network.protocol.Packet;
import net.minecraft.network.protocol.game.ClientGamePacketListener;
import net.minecraft.world.Container;
import net.minecraft.world.Containers;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.ChunkPos;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.state.BlockState;
import org.jetbrains.annotations.Nullable;
import org.slf4j.Logger;

public abstract class BlockEntity {
	private static final Codec<BlockEntityType<?>> TYPE_CODEC = BuiltInRegistries.BLOCK_ENTITY_TYPE.byNameCodec();
	private static final Logger LOGGER = LogUtils.getLogger();
	private final BlockEntityType<?> type;
	@Nullable
	protected Level level;
	protected final BlockPos worldPosition;
	protected boolean remove;
	private BlockState blockState;
	private DataComponentMap components = DataComponentMap.EMPTY;

	public BlockEntity(BlockEntityType<?> type, BlockPos pos, BlockState blockState) {
		this.type = type;
		this.worldPosition = pos.immutable();
		this.validateBlockState(blockState);
		this.blockState = blockState;
	}

	private void validateBlockState(BlockState state) {
		if (!this.isValidBlockState(state)) {
			throw new IllegalStateException("Invalid block entity " + this.getNameForReporting() + " state at " + this.worldPosition + ", got " + state);
		}
	}

	public boolean isValidBlockState(BlockState state) {
		return this.type.isValid(state);
	}

	public static BlockPos getPosFromTag(ChunkPos chunkPos, CompoundTag tag) {
		int i = tag.getIntOr("x", 0);
		int j = tag.getIntOr("y", 0);
		int k = tag.getIntOr("z", 0);
		int l = SectionPos.blockToSectionCoord(i);
		int m = SectionPos.blockToSectionCoord(k);
		if (l != chunkPos.x || m != chunkPos.z) {
			LOGGER.warn("Block entity {} found in a wrong chunk, expected position from chunk {}", tag, chunkPos);
			i = chunkPos.getBlockX(SectionPos.sectionRelative(i));
			k = chunkPos.getBlockZ(SectionPos.sectionRelative(k));
		}

		return new BlockPos(i, j, k);
	}

	@Nullable
	public Level getLevel() {
		return this.level;
	}

	public void setLevel(Level level) {
		this.level = level;
	}

	/**
	 * @return whether this BlockEntity's level has been set
	 */
	public boolean hasLevel() {
		return this.level != null;
	}

	protected void loadAdditional(CompoundTag tag, HolderLookup.Provider registries) {
	}

	public final void loadWithComponents(CompoundTag tag, HolderLookup.Provider registries) {
		this.loadAdditional(tag, registries);
		this.components = (DataComponentMap)tag.read(BlockEntity.ComponentHelper.COMPONENTS_CODEC, registries.createSerializationContext(NbtOps.INSTANCE))
			.orElse(DataComponentMap.EMPTY);
	}

	public final void loadCustomOnly(CompoundTag tag, HolderLookup.Provider registries) {
		this.loadAdditional(tag, registries);
	}

	protected void saveAdditional(CompoundTag tag, HolderLookup.Provider registries) {
	}

	public final CompoundTag saveWithFullMetadata(HolderLookup.Provider registries) {
		CompoundTag compoundTag = this.saveWithoutMetadata(registries);
		this.saveMetadata(compoundTag);
		return compoundTag;
	}

	public final CompoundTag saveWithId(HolderLookup.Provider registries) {
		CompoundTag compoundTag = this.saveWithoutMetadata(registries);
		this.saveId(compoundTag);
		return compoundTag;
	}

	public final CompoundTag saveWithoutMetadata(HolderLookup.Provider registries) {
		CompoundTag compoundTag = new CompoundTag();
		this.saveAdditional(compoundTag, registries);
		compoundTag.store(BlockEntity.ComponentHelper.COMPONENTS_CODEC, registries.createSerializationContext(NbtOps.INSTANCE), this.components);
		return compoundTag;
	}

	public final CompoundTag saveCustomOnly(HolderLookup.Provider registries) {
		CompoundTag compoundTag = new CompoundTag();
		this.saveAdditional(compoundTag, registries);
		return compoundTag;
	}

	public final CompoundTag saveCustomAndMetadata(HolderLookup.Provider registries) {
		CompoundTag compoundTag = this.saveCustomOnly(registries);
		this.saveMetadata(compoundTag);
		return compoundTag;
	}

	private void saveId(CompoundTag tag) {
		addEntityType(tag, this.getType());
	}

	public static void addEntityType(CompoundTag tag, BlockEntityType<?> entityType) {
		tag.store("id", TYPE_CODEC, entityType);
	}

	private void saveMetadata(CompoundTag tag) {
		this.saveId(tag);
		tag.putInt("x", this.worldPosition.getX());
		tag.putInt("y", this.worldPosition.getY());
		tag.putInt("z", this.worldPosition.getZ());
	}

	@Nullable
	public static BlockEntity loadStatic(BlockPos pos, BlockState state, CompoundTag tag, HolderLookup.Provider registries) {
		BlockEntityType<?> blockEntityType = (BlockEntityType<?>)tag.read("id", TYPE_CODEC).orElse(null);
		if (blockEntityType == null) {
			LOGGER.error("Skipping block entity with invalid type: {}", tag.get("id"));
			return null;
		} else {
			BlockEntity blockEntity;
			try {
				blockEntity = blockEntityType.create(pos, state);
			} catch (Throwable var8) {
				LOGGER.error("Failed to create block entity {} for block {} at position {} ", blockEntityType, pos, state, var8);
				return null;
			}

			try {
				blockEntity.loadWithComponents(tag, registries);
				return blockEntity;
			} catch (Throwable var7) {
				LOGGER.error("Failed to load data for block entity {} for block {} at position {}", blockEntityType, pos, state, var7);
				return null;
			}
		}
	}

	public void setChanged() {
		if (this.level != null) {
			setChanged(this.level, this.worldPosition, this.blockState);
		}
	}

	protected static void setChanged(Level level, BlockPos pos, BlockState state) {
		level.blockEntityChanged(pos);
		if (!state.isAir()) {
			level.updateNeighbourForOutputSignal(pos, state.getBlock());
		}
	}

	public BlockPos getBlockPos() {
		return this.worldPosition;
	}

	public BlockState getBlockState() {
		return this.blockState;
	}

	@Nullable
	public Packet<ClientGamePacketListener> getUpdatePacket() {
		return null;
	}

	public CompoundTag getUpdateTag(HolderLookup.Provider registries) {
		return new CompoundTag();
	}

	public boolean isRemoved() {
		return this.remove;
	}

	/**
	 * Marks this {@code BlockEntity} as no longer valid (removed from the level).
	 */
	public void setRemoved() {
		this.remove = true;
	}

	/**
	 * Marks this {@code BlockEntity} as valid again (no longer removed from the level).
	 */
	public void clearRemoved() {
		this.remove = false;
	}

	public void preRemoveSideEffects(BlockPos pos, BlockState state) {
		if (this instanceof Container container && this.level != null) {
			Containers.dropContents(this.level, pos, container);
		}
	}

	public boolean triggerEvent(int id, int type) {
		return false;
	}

	public void fillCrashReportCategory(CrashReportCategory reportCategory) {
		reportCategory.setDetail("Name", this::getNameForReporting);
		reportCategory.setDetail("Cached block", this.getBlockState()::toString);
		if (this.level == null) {
			reportCategory.setDetail("Block location", (CrashReportDetail<String>)(() -> this.worldPosition + " (world missing)"));
		} else {
			reportCategory.setDetail("Actual block", this.level.getBlockState(this.worldPosition)::toString);
			CrashReportCategory.populateBlockLocationDetails(reportCategory, this.level, this.worldPosition);
		}
	}

	private String getNameForReporting() {
		return BuiltInRegistries.BLOCK_ENTITY_TYPE.getKey(this.getType()) + " // " + this.getClass().getCanonicalName();
	}

	public BlockEntityType<?> getType() {
		return this.type;
	}

	@Deprecated
	public void setBlockState(BlockState blockState) {
		this.validateBlockState(blockState);
		this.blockState = blockState;
	}

	protected void applyImplicitComponents(DataComponentGetter componentGetter) {
	}

	public final void applyComponentsFromItemStack(ItemStack stack) {
		this.applyComponents(stack.getPrototype(), stack.getComponentsPatch());
	}

	public final void applyComponents(DataComponentMap components, DataComponentPatch patch) {
		final Set<DataComponentType<?>> set = new HashSet();
		set.add(DataComponents.BLOCK_ENTITY_DATA);
		set.add(DataComponents.BLOCK_STATE);
		final DataComponentMap dataComponentMap = PatchedDataComponentMap.fromPatch(components, patch);
		this.applyImplicitComponents(new DataComponentGetter() {
			@Nullable
			@Override
			public <T> T get(DataComponentType<? extends T> component) {
				set.add(component);
				return dataComponentMap.get(component);
			}

			@Override
			public <T> T getOrDefault(DataComponentType<? extends T> component, T defaultValue) {
				set.add(component);
				return dataComponentMap.getOrDefault(component, defaultValue);
			}
		});
		DataComponentPatch dataComponentPatch = patch.forget(set::contains);
		this.components = dataComponentPatch.split().added();
	}

	protected void collectImplicitComponents(DataComponentMap.Builder components) {
	}

	@Deprecated
	public void removeComponentsFromTag(CompoundTag tag) {
	}

	public final DataComponentMap collectComponents() {
		DataComponentMap.Builder builder = DataComponentMap.builder();
		builder.addAll(this.components);
		this.collectImplicitComponents(builder);
		return builder.build();
	}

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

	public void setComponents(DataComponentMap components) {
		this.components = components;
	}

	@Nullable
	public static Component parseCustomNameSafe(@Nullable Tag tag, HolderLookup.Provider registries) {
		return tag == null
			? null
			: (Component)ComponentSerialization.CODEC
				.parse(registries.createSerializationContext(NbtOps.INSTANCE), tag)
				.resultOrPartial(string -> LOGGER.warn("Failed to parse custom name, discarding: {}", string))
				.orElse(null);
	}

	static class ComponentHelper {
		public static final MapCodec<DataComponentMap> COMPONENTS_CODEC = DataComponentMap.CODEC.optionalFieldOf("components", DataComponentMap.EMPTY);

		private ComponentHelper() {
		}
	}
}