package net.minecraft.world.level.block;

import com.mojang.serialization.MapCodec;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.util.RandomSource;
import net.minecraft.world.item.context.BlockPlaceContext;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.ScheduledTickAccess;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.properties.AttachFace;
import net.minecraft.world.level.block.state.properties.BlockStateProperties;
import net.minecraft.world.level.block.state.properties.EnumProperty;
import org.jetbrains.annotations.Nullable;

public abstract class FaceAttachedHorizontalDirectionalBlock extends HorizontalDirectionalBlock {
	public static final EnumProperty<AttachFace> FACE = BlockStateProperties.ATTACH_FACE;

	protected FaceAttachedHorizontalDirectionalBlock(BlockBehaviour.Properties properties) {
		super(properties);
	}

	@Override
	protected abstract MapCodec<? extends FaceAttachedHorizontalDirectionalBlock> codec();

	@Override
	protected boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) {
		return canAttach(level, pos, getConnectedDirection(state).getOpposite());
	}

	public static boolean canAttach(LevelReader reader, BlockPos pos, Direction direction) {
		BlockPos blockPos = pos.relative(direction);
		return reader.getBlockState(blockPos).isFaceSturdy(reader, blockPos, direction.getOpposite());
	}

	@Nullable
	@Override
	public BlockState getStateForPlacement(BlockPlaceContext context) {
		for (Direction direction : context.getNearestLookingDirections()) {
			BlockState blockState;
			if (direction.getAxis() == Direction.Axis.Y) {
				blockState = this.defaultBlockState()
					.setValue(FACE, direction == Direction.UP ? AttachFace.CEILING : AttachFace.FLOOR)
					.setValue(FACING, context.getHorizontalDirection());
			} else {
				blockState = this.defaultBlockState().setValue(FACE, AttachFace.WALL).setValue(FACING, direction.getOpposite());
			}

			if (blockState.canSurvive(context.getLevel(), context.getClickedPos())) {
				return blockState;
			}
		}

		return null;
	}

	@Override
	protected BlockState updateShape(
		BlockState blockState,
		LevelReader levelReader,
		ScheduledTickAccess scheduledTickAccess,
		BlockPos blockPos,
		Direction direction,
		BlockPos blockPos2,
		BlockState blockState2,
		RandomSource randomSource
	) {
		return getConnectedDirection(blockState).getOpposite() == direction && !blockState.canSurvive(levelReader, blockPos)
			? Blocks.AIR.defaultBlockState()
			: super.updateShape(blockState, levelReader, scheduledTickAccess, blockPos, direction, blockPos2, blockState2, randomSource);
	}

	protected static Direction getConnectedDirection(BlockState state) {
		switch ((AttachFace)state.getValue(FACE)) {
			case CEILING:
				return Direction.DOWN;
			case FLOOR:
				return Direction.UP;
			default:
				return state.getValue(FACING);
		}
	}
}