/*
 * Copyright (c) 2016, 2017, 2018, 2019 FabricMC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.fabricmc.fabric.test.screenhandler.block;

import net.minecraft.block.BlockRenderType;
import net.minecraft.block.BlockState;
import net.minecraft.block.BlockWithEntity;
import net.minecraft.block.entity.BlockEntity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.inventory.Inventory;
import net.minecraft.screen.NamedScreenHandlerFactory;
import net.minecraft.screen.ScreenHandler;
import net.minecraft.util.ActionResult;
import net.minecraft.util.Hand;
import net.minecraft.util.ItemScatterer;
import net.minecraft.util.hit.BlockHitResult;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;

public class BoxBlock extends BlockWithEntity {
	public BoxBlock(Settings settings) {
		super(settings);
	}

	@Override
	public ActionResult onUse(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
		if (!world.isClient) {
			NamedScreenHandlerFactory screenHandlerFactory = state.createScreenHandlerFactory(world, pos);

			if (screenHandlerFactory != null) {
				player.openHandledScreen(screenHandlerFactory);
			}
		}

		return ActionResult.SUCCESS;
	}

	@Override
	public BlockEntity createBlockEntity(BlockPos blockPos, BlockState blockState) {
		return new BoxBlockEntity(blockPos, blockState);
	}

	@Override
	public BlockRenderType getRenderType(BlockState state) {
		return BlockRenderType.MODEL;
	}

	@Override
	public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState newState, boolean moved) {
		if (state.getBlock() != newState.getBlock()) {
			BlockEntity be = world.getBlockEntity(pos);

			if (be instanceof Inventory) {
				ItemScatterer.spawn(world, pos, (Inventory) be);
				world.updateComparators(pos, this);
			}

			super.onStateReplaced(state, world, pos, newState, moved);
		}
	}

	@Override
	public int getComparatorOutput(BlockState state, World world, BlockPos pos) {
		return ScreenHandler.calculateComparatorOutput(world.getBlockEntity(pos));
	}
}
