package net.minecraft.world.level.block;

import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Map;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.tags.BlockTags;
import net.minecraft.util.RandomSource;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
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.LevelReader;
import net.minecraft.world.level.ScheduledTickAccess;
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.BlockEntityTypes;
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.EnumProperty;
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.level.pathfinder.PathComputationType;
import net.minecraft.world.phys.BlockHitResult;
import net.minecraft.world.phys.shapes.CollisionContext;
import net.minecraft.world.phys.shapes.Shapes;
import net.minecraft.world.phys.shapes.VoxelShape;
import org.jspecify.annotations.Nullable;

public class WallHangingSignBlock extends SignBlock implements HangingSignBlock {
	public static final MapCodec<WallHangingSignBlock> CODEC = RecordCodecBuilder.mapCodec(
		i -> i.group(WoodType.CODEC.fieldOf("wood_type").forGetter(SignBlock::type), propertiesCodec()).apply(i, WallHangingSignBlock::new)
	);
	public static final EnumProperty<Direction> FACING = HorizontalDirectionalBlock.FACING;
	private static final Map<Direction.Axis, VoxelShape> SHAPES_PLANK = Shapes.rotateHorizontalAxis(Block.column(16.0, 4.0, 14.0, 16.0));
	private static final Map<Direction.Axis, VoxelShape> SHAPES = Shapes.rotateHorizontalAxis(
		Shapes.or((VoxelShape)SHAPES_PLANK.get(Direction.Axis.Z), Block.column(14.0, 2.0, 0.0, 10.0))
	);

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

	public WallHangingSignBlock(final WoodType type, final BlockBehaviour.Properties properties) {
		super(type, properties.sound(type.hangingSignSoundType()));
		this.registerDefaultState(this.stateDefinition.any().setValue(FACING, Direction.NORTH).setValue(WATERLOGGED, false));
	}

	@Override
	protected InteractionResult useItemOn(
		final ItemStack itemStack,
		final BlockState state,
		final Level level,
		final BlockPos pos,
		final Player player,
		final InteractionHand hand,
		final BlockHitResult hitResult
	) {
		return (InteractionResult)(level.getBlockEntity(pos) instanceof SignBlockEntity signEntity
				&& this.shouldTryToChainAnotherHangingSign(state, player, hitResult, signEntity, itemStack)
			? InteractionResult.PASS
			: super.useItemOn(itemStack, state, level, pos, player, hand, hitResult));
	}

	private boolean shouldTryToChainAnotherHangingSign(
		final BlockState state, final Player player, final BlockHitResult hitResult, final SignBlockEntity signEntity, final ItemStack itemStack
	) {
		return !signEntity.canExecuteClickCommands(signEntity.isFacingFrontText(player), player)
			&& itemStack.getItem() instanceof HangingSignItem
			&& !this.isHittingEditableSide(hitResult, state);
	}

	private boolean isHittingEditableSide(final BlockHitResult hitResult, final BlockState state) {
		return hitResult.getDirection().getAxis() == ((Direction)state.getValue(FACING)).getAxis();
	}

	@Override
	protected VoxelShape getShape(final BlockState state, final BlockGetter level, final BlockPos pos, final CollisionContext context) {
		return (VoxelShape)SHAPES.get(((Direction)state.getValue(FACING)).getAxis());
	}

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

	@Override
	protected VoxelShape getCollisionShape(final BlockState state, final BlockGetter level, final BlockPos pos, final CollisionContext context) {
		return (VoxelShape)SHAPES_PLANK.get(((Direction)state.getValue(FACING)).getAxis());
	}

	public boolean canPlace(final BlockState state, final LevelReader level, final BlockPos pos) {
		Direction clockwise = ((Direction)state.getValue(FACING)).getClockWise();
		Direction counterClockwise = ((Direction)state.getValue(FACING)).getCounterClockWise();
		return this.canAttachTo(level, state, pos.relative(clockwise), counterClockwise) || this.canAttachTo(level, state, pos.relative(counterClockwise), clockwise);
	}

	public boolean canAttachTo(final LevelReader level, final BlockState state, final BlockPos attachPos, final Direction attachFace) {
		BlockState attachState = level.getBlockState(attachPos);
		return attachState.is(BlockTags.WALL_HANGING_SIGNS)
			? ((Direction)attachState.getValue(FACING)).getAxis().test(state.getValue(FACING))
			: attachState.isFaceSturdy(level, attachPos, attachFace, SupportType.FULL);
	}

	@Nullable
	@Override
	public BlockState getStateForPlacement(final BlockPlaceContext context) {
		BlockState state = this.defaultBlockState();
		FluidState replacedFluidState = context.getLevel().getFluidState(context.getClickedPos());
		LevelReader level = context.getLevel();
		BlockPos pos = context.getClickedPos();

		for (Direction direction : context.getNearestLookingDirections()) {
			if (direction.getAxis().isHorizontal() && !direction.getAxis().test(context.getClickedFace())) {
				Direction facing = direction.getOpposite();
				state = state.setValue(FACING, facing);
				if (state.canSurvive(level, pos) && this.canPlace(state, level, pos)) {
					return state.setValue(WATERLOGGED, replacedFluidState.is(Fluids.WATER));
				}
			}
		}

		return null;
	}

	@Override
	protected BlockState updateShape(
		final BlockState state,
		final LevelReader level,
		final ScheduledTickAccess ticks,
		final BlockPos pos,
		final Direction directionToNeighbour,
		final BlockPos neighbourPos,
		final BlockState neighbourState,
		final RandomSource random
	) {
		return directionToNeighbour.getAxis() == ((Direction)state.getValue(FACING)).getClockWise().getAxis() && !state.canSurvive(level, pos)
			? Blocks.AIR.defaultBlockState()
			: super.updateShape(state, level, ticks, pos, directionToNeighbour, neighbourPos, neighbourState, random);
	}

	@Override
	public float getYRotationDegrees(final BlockState state) {
		return ((Direction)state.getValue(FACING)).toYRot();
	}

	@Override
	protected BlockState rotate(final BlockState state, final Rotation rotation) {
		return state.setValue(FACING, rotation.rotate(state.getValue(FACING)));
	}

	@Override
	protected BlockState mirror(final BlockState state, final Mirror mirror) {
		return state.rotate(mirror.getRotation(state.getValue(FACING)));
	}

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

	@Override
	public BlockEntity newBlockEntity(final BlockPos worldPosition, final BlockState blockState) {
		return new HangingSignBlockEntity(worldPosition, blockState);
	}

	@Override
	protected boolean isPathfindable(final BlockState state, final PathComputationType type) {
		return false;
	}

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

	@Override
	public HangingSignBlock.Attachment attachmentPoint(final BlockState state) {
		return HangingSignBlock.Attachment.WALL;
	}
}