package net.minecraft.world.level.block;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Map;
import java.util.Optional;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.tags.BlockTags;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.ItemInteractionResult;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.HangingSignItem;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.context.BlockPlaceContext;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelAccessor;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.block.entity.BlockEntity;
import net.minecraft.world.level.block.entity.BlockEntityTicker;
import net.minecraft.world.level.block.entity.BlockEntityType;
import net.minecraft.world.level.block.entity.HangingSignBlockEntity;
import net.minecraft.world.level.block.entity.SignBlockEntity;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.StateDefinition;
import net.minecraft.world.level.block.state.properties.BlockStateProperties;
import net.minecraft.world.level.block.state.properties.BooleanProperty;
import net.minecraft.world.level.block.state.properties.IntegerProperty;
import net.minecraft.world.level.block.state.properties.RotationSegment;
import net.minecraft.world.level.block.state.properties.WoodType;
import net.minecraft.world.level.material.FluidState;
import net.minecraft.world.level.material.Fluids;
import net.minecraft.world.phys.BlockHitResult;
import net.minecraft.world.phys.shapes.CollisionContext;
import net.minecraft.world.phys.shapes.VoxelShape;
import org.jetbrains.annotations.Nullable;

public class CeilingHangingSignBlock extends SignBlock {
	public static final MapCodec<CeilingHangingSignBlock> CODEC = RecordCodecBuilder.mapCodec(
		instance -> instance.group(WoodType.CODEC.fieldOf("wood_type").forGetter(SignBlock::type), propertiesCodec()).apply(instance, CeilingHangingSignBlock::new)
	);
	public static final IntegerProperty ROTATION = BlockStateProperties.ROTATION_16;
	public static final BooleanProperty ATTACHED = BlockStateProperties.ATTACHED;
	protected static final float AABB_OFFSET = 5.0F;
	protected static final VoxelShape SHAPE = Block.box(3.0, 0.0, 3.0, 13.0, 16.0, 13.0);
	private static final Map<Integer, VoxelShape> AABBS = Maps.<Integer, VoxelShape>newHashMap(
		ImmutableMap.of(
			0,
			Block.box(1.0, 0.0, 7.0, 15.0, 10.0, 9.0),
			4,
			Block.box(7.0, 0.0, 1.0, 9.0, 10.0, 15.0),
			8,
			Block.box(1.0, 0.0, 7.0, 15.0, 10.0, 9.0),
			12,
			Block.box(7.0, 0.0, 1.0, 9.0, 10.0, 15.0)
		)
	);

	@Override
	public MapCodec<CeilingHangingSignBlock> codec() {
		return CODEC;
	}

	public CeilingHangingSignBlock(WoodType type, BlockBehaviour.Properties properties) {
		super(type, properties.sound(type.hangingSignSoundType()));
		this.registerDefaultState(this.stateDefinition.any().setValue(ROTATION, 0).setValue(ATTACHED, false).setValue(WATERLOGGED, false));
	}

	@Override
	protected ItemInteractionResult useItemOn(
		ItemStack stack, BlockState state, Level level, BlockPos pos, Player player, InteractionHand hand, BlockHitResult hitResult
	) {
		return level.getBlockEntity(pos) instanceof SignBlockEntity signBlockEntity
				&& this.shouldTryToChainAnotherHangingSign(player, hitResult, signBlockEntity, stack)
			? ItemInteractionResult.SKIP_DEFAULT_BLOCK_INTERACTION
			: super.useItemOn(stack, state, level, pos, player, hand, hitResult);
	}

	private boolean shouldTryToChainAnotherHangingSign(Player player, BlockHitResult hitResult, SignBlockEntity sign, ItemStack stack) {
		return !sign.canExecuteClickCommands(sign.isFacingFrontText(player), player)
			&& stack.getItem() instanceof HangingSignItem
			&& hitResult.getDirection().equals(Direction.DOWN);
	}

	@Override
	protected boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) {
		return level.getBlockState(pos.above()).isFaceSturdy(level, pos.above(), Direction.DOWN, SupportType.CENTER);
	}

	@Override
	public BlockState getStateForPlacement(BlockPlaceContext context) {
		Level level = context.getLevel();
		FluidState fluidState = level.getFluidState(context.getClickedPos());
		BlockPos blockPos = context.getClickedPos().above();
		BlockState blockState = level.getBlockState(blockPos);
		boolean bl = blockState.is(BlockTags.ALL_HANGING_SIGNS);
		Direction direction = Direction.fromYRot(context.getRotation());
		boolean bl2 = !Block.isFaceFull(blockState.getCollisionShape(level, blockPos), Direction.DOWN) || context.isSecondaryUseActive();
		if (bl && !context.isSecondaryUseActive()) {
			if (blockState.hasProperty(WallHangingSignBlock.FACING)) {
				Direction direction2 = blockState.getValue(WallHangingSignBlock.FACING);
				if (direction2.getAxis().test(direction)) {
					bl2 = false;
				}
			} else if (blockState.hasProperty(ROTATION)) {
				Optional<Direction> optional = RotationSegment.convertToDirection((Integer)blockState.getValue(ROTATION));
				if (optional.isPresent() && ((Direction)optional.get()).getAxis().test(direction)) {
					bl2 = false;
				}
			}
		}

		int i = !bl2 ? RotationSegment.convertToSegment(direction.getOpposite()) : RotationSegment.convertToSegment(context.getRotation() + 180.0F);
		return this.defaultBlockState().setValue(ATTACHED, bl2).setValue(ROTATION, i).setValue(WATERLOGGED, fluidState.getType() == Fluids.WATER);
	}

	@Override
	protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
		VoxelShape voxelShape = (VoxelShape)AABBS.get(state.getValue(ROTATION));
		return voxelShape == null ? SHAPE : voxelShape;
	}

	@Override
	protected VoxelShape getBlockSupportShape(BlockState state, BlockGetter level, BlockPos pos) {
		return this.getShape(state, level, pos, CollisionContext.empty());
	}

	@Override
	protected BlockState updateShape(BlockState state, Direction direction, BlockState neighborState, LevelAccessor level, BlockPos pos, BlockPos neighborPos) {
		return direction == Direction.UP && !this.canSurvive(state, level, pos)
			? Blocks.AIR.defaultBlockState()
			: super.updateShape(state, direction, neighborState, level, pos, neighborPos);
	}

	@Override
	public float getYRotationDegrees(BlockState state) {
		return RotationSegment.convertToDegrees((Integer)state.getValue(ROTATION));
	}

	@Override
	protected BlockState rotate(BlockState state, Rotation rotation) {
		return state.setValue(ROTATION, rotation.rotate((Integer)state.getValue(ROTATION), 16));
	}

	@Override
	protected BlockState mirror(BlockState state, Mirror mirror) {
		return state.setValue(ROTATION, mirror.mirror((Integer)state.getValue(ROTATION), 16));
	}

	@Override
	protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) {
		builder.add(ROTATION, ATTACHED, WATERLOGGED);
	}

	@Override
	public BlockEntity newBlockEntity(BlockPos pos, BlockState state) {
		return new HangingSignBlockEntity(pos, state);
	}

	@Nullable
	@Override
	public <T extends BlockEntity> BlockEntityTicker<T> getTicker(Level level, BlockState state, BlockEntityType<T> blockEntityType) {
		return createTickerHelper(blockEntityType, BlockEntityType.HANGING_SIGN, SignBlockEntity::tick);
	}
}