package ru.betterend.blocks.basis;

import java.util.EnumMap;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;

import net.fabricmc.fabric.api.object.builder.v1.block.FabricBlockSettings;
import net.fabricmc.fabric.api.tool.attribute.v1.FabricToolTags;
import net.minecraft.block.AbstractBlock;
import net.minecraft.block.Block;
import net.minecraft.block.BlockState;
import net.minecraft.block.Blocks;
import net.minecraft.block.HorizontalFacingBlock;
import net.minecraft.block.Material;
import net.minecraft.block.ShapeContext;
import net.minecraft.item.ItemPlacementContext;
import net.minecraft.sound.BlockSoundGroup;
import net.minecraft.state.StateManager;
import net.minecraft.state.property.DirectionProperty;
import net.minecraft.util.BlockMirror;
import net.minecraft.util.BlockRotation;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.util.shape.VoxelShape;
import net.minecraft.world.BlockView;
import net.minecraft.world.WorldAccess;
import net.minecraft.world.WorldView;
import ru.betterend.util.BlocksHelper;

public class BlockWallPlant extends BlockPlant {
	private static final EnumMap<Direction, VoxelShape> SHAPES = Maps.newEnumMap(ImmutableMap.of(
			Direction.NORTH, Block.createCuboidShape(1, 1, 8, 15, 15, 16),
			Direction.SOUTH, Block.createCuboidShape(1, 1, 0, 15, 15, 8),
			Direction.WEST, Block.createCuboidShape(8, 1, 1, 16, 15, 15),
			Direction.EAST, Block.createCuboidShape(0, 1, 1, 8, 15, 15)));
	public static final DirectionProperty FACING = HorizontalFacingBlock.FACING;
	
	public BlockWallPlant() {
		this(0);
	}
	
	public BlockWallPlant(int light) {
		this(FabricBlockSettings.of(Material.PLANT)
				.breakByTool(FabricToolTags.SHEARS)
				.sounds(BlockSoundGroup.GRASS)
				.luminance(light)
				.breakByHand(true)
				.noCollision());
	}
	
	public BlockWallPlant(Settings settings) {
		super(settings);
	}
	
	@Override
	protected void appendProperties(StateManager.Builder<Block, BlockState> stateManager) {
		stateManager.add(FACING);
	}

	@Override
	public VoxelShape getOutlineShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ePos) {
		return SHAPES.get(state.get(FACING));
	}

	@Override
	public AbstractBlock.OffsetType getOffsetType() {
		return AbstractBlock.OffsetType.NONE;
	}

	@Override
	public boolean canPlaceAt(BlockState state, WorldView world, BlockPos pos) {
		Direction direction = (Direction) state.get(FACING);
		BlockPos blockPos = pos.offset(direction.getOpposite());
		BlockState blockState = world.getBlockState(blockPos);
		return isSupport(world, blockPos, blockState, direction);
	}
	
	public boolean isSupport(WorldView world, BlockPos pos, BlockState blockState, Direction direction) {
		return blockState.getMaterial().isSolid() && blockState.isSideSolidFullSquare(world, pos, direction);
	}
	
	@Override
	public BlockState getPlacementState(ItemPlacementContext ctx) {
		BlockState blockState = this.getDefaultState();
		WorldView worldView = ctx.getWorld();
		BlockPos blockPos = ctx.getBlockPos();
		Direction[] directions = ctx.getPlacementDirections();
		for (int i = 0; i < directions.length; ++i) {
			Direction direction = directions[i];
			if (direction.getAxis().isHorizontal()) {
				Direction direction2 = direction.getOpposite();
				blockState = blockState.with(FACING, direction2);
				if (blockState.canPlaceAt(worldView, blockPos)) {
					return blockState;
				}
			}
		}
		return null;
	}

	@Override
	public BlockState getStateForNeighborUpdate(BlockState state, Direction facing, BlockState neighborState, WorldAccess world, BlockPos pos, BlockPos neighborPos) {
		if (!canPlaceAt(state, world, pos)) {
			return Blocks.AIR.getDefaultState();
		}
		else {
			return state;
		}
	}
	
	@Override
	public BlockState rotate(BlockState state, BlockRotation rotation) {
		return BlocksHelper.rotateHorizontal(state, rotation, FACING);
	}

	@Override
	public BlockState mirror(BlockState state, BlockMirror mirror) {
		return BlocksHelper.mirrorHorizontal(state, mirror, FACING);
	}
}