package net.minecraft.world.level.block;

import com.mojang.serialization.MapCodec;
import net.minecraft.core.BlockPos;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.entity.BlockEntity;
import net.minecraft.world.level.block.entity.StructureBlockEntity;
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.EnumProperty;
import net.minecraft.world.level.block.state.properties.StructureMode;
import net.minecraft.world.level.redstone.Orientation;
import net.minecraft.world.phys.BlockHitResult;
import org.jspecify.annotations.Nullable;

/**
 * Access widened by fabric-transitive-access-wideners-v1 to accessible
 */
public class StructureBlock extends BaseEntityBlock implements GameMasterBlock {
	public static final MapCodec<StructureBlock> CODEC = simpleCodec(StructureBlock::new);
	public static final EnumProperty<StructureMode> MODE = BlockStateProperties.STRUCTUREBLOCK_MODE;

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

	/**
	 * Access widened by fabric-transitive-access-wideners-v1 to accessible
	 */
	public StructureBlock(final BlockBehaviour.Properties properties) {
		super(properties);
		this.registerDefaultState(this.stateDefinition.any().setValue(MODE, StructureMode.LOAD));
	}

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

	@Override
	protected InteractionResult useWithoutItem(final BlockState state, final Level level, final BlockPos pos, final Player player, final BlockHitResult hitResult) {
		if (level.getBlockEntity(pos) instanceof StructureBlockEntity structureBlockEntity) {
			return (InteractionResult)(structureBlockEntity.usedBy(player) ? InteractionResult.SUCCESS : InteractionResult.PASS);
		} else {
			return InteractionResult.PASS;
		}
	}

	@Override
	public void setPlacedBy(final Level level, final BlockPos pos, final BlockState state, @Nullable final LivingEntity by, final ItemStack itemStack) {
		if (!level.isClientSide()) {
			if (by != null && level.getBlockEntity(pos) instanceof StructureBlockEntity structureBlockEntity) {
				structureBlockEntity.createdBy(by);
			}
		}
	}

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

	@Override
	protected void neighborChanged(
		final BlockState state, final Level level, final BlockPos pos, final Block block, @Nullable final Orientation orientation, final boolean movedByPiston
	) {
		if (level instanceof ServerLevel serverLevel) {
			if (level.getBlockEntity(pos) instanceof StructureBlockEntity structureBlock) {
				boolean shouldTrigger = level.hasNeighborSignal(pos);
				boolean isPowered = structureBlock.isPowered();
				if (shouldTrigger && !isPowered) {
					structureBlock.setPowered(true);
					this.trigger(serverLevel, structureBlock);
				} else if (!shouldTrigger && isPowered) {
					structureBlock.setPowered(false);
				}
			}
		}
	}

	private void trigger(final ServerLevel level, final StructureBlockEntity structureBlock) {
		switch (structureBlock.getMode()) {
			case SAVE:
				structureBlock.saveStructure(false);
				break;
			case LOAD:
				structureBlock.placeStructure(level);
				break;
			case CORNER:
				structureBlock.unloadStructure();
			case DATA:
		}
	}
}