package net.minecraft.world.item;

import java.util.List;
import net.minecraft.core.BlockPos;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.boss.enderdragon.EndCrystal;
import net.minecraft.world.item.context.UseOnContext;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.dimension.end.EnderDragonFight;
import net.minecraft.world.level.gameevent.GameEvent;
import net.minecraft.world.phys.AABB;

public class EndCrystalItem extends Item {
	public EndCrystalItem(final Item.Properties properties) {
		super(properties);
	}

	@Override
	public InteractionResult useOn(final UseOnContext context) {
		Level level = context.getLevel();
		BlockPos pos = context.getClickedPos();
		BlockState blockState = level.getBlockState(pos);
		if (!blockState.is(Blocks.OBSIDIAN) && !blockState.is(Blocks.BEDROCK)) {
			return InteractionResult.FAIL;
		} else {
			BlockPos above = pos.above();
			if (!level.isEmptyBlock(above)) {
				return InteractionResult.FAIL;
			} else {
				double x = above.getX();
				double y = above.getY();
				double z = above.getZ();
				List<Entity> entities = level.getEntities(null, new AABB(x, y, z, x + 1.0, y + 2.0, z + 1.0));
				if (!entities.isEmpty()) {
					return InteractionResult.FAIL;
				} else {
					if (level instanceof ServerLevel serverLevel) {
						EndCrystal crystal = new EndCrystal(level, x + 0.5, y, z + 0.5);
						crystal.setShowBottom(false);
						level.addFreshEntity(crystal);
						level.gameEvent(context.getPlayer(), GameEvent.ENTITY_PLACE, above);
						EnderDragonFight fight = serverLevel.getDragonFight();
						if (fight != null) {
							fight.tryRespawn();
						}
					}

					context.getItemInHand().shrink(1);
					return InteractionResult.SUCCESS;
				}
			}
		}
	}
}