<?php

/*
 *
 *  ____            _        _   __  __ _                  __  __ ____
 * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
 * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
 * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * @author PocketMine Team
 * @link http://www.pocketmine.net/
 *
 *
*/

namespace pocketmine\inventory;

use pocketmine\block\TrappedChest;
use pocketmine\level\Level;
use pocketmine\network\protocol\BlockEventPacket;
use pocketmine\Player;

use pocketmine\tile\Chest;

class ChestInventory extends ContainerInventory{
	public function __construct(Chest $tile){
		parent::__construct($tile, InventoryType::get(InventoryType::CHEST));
	}

	/**
	 * @return Chest
	 */
	public function getHolder(){
		return $this->holder;
	}

	public function onOpen(Player $who){
		parent::onOpen($who);

		if(count($this->getViewers()) === 1){
			$pk = new BlockEventPacket();
			$pk->x = $this->getHolder()->getX();
			$pk->y = $this->getHolder()->getY();
			$pk->z = $this->getHolder()->getZ();
			$pk->case1 = 1;
			$pk->case2 = 2;
			if(($level = $this->getHolder()->getLevel()) instanceof Level){
				$level->addChunkPacket($this->getHolder()->getX() >> 4, $this->getHolder()->getZ() >> 4, $pk);
			}
		}

		if($this->getHolder()->getLevel() instanceof Level){
			/** @var TrappedChest $block */
			$block = $this->getHolder()->getBlock();
			if($block instanceof TrappedChest){
				if(!$block->isActivated()){
					$block->activate();
				}
			}
		}
	}

	public function onClose(Player $who){
		if($this->getHolder()->getLevel() instanceof Level){
			/** @var TrappedChest $block */
			$block = $this->getHolder()->getBlock();
			if($block instanceof TrappedChest){
				if($block->isActivated()){
					$block->deactivate();
				}
			}
		}

		if(count($this->getViewers()) === 1){
			$pk = new BlockEventPacket();
			$pk->x = $this->getHolder()->getX();
			$pk->y = $this->getHolder()->getY();
			$pk->z = $this->getHolder()->getZ();
			$pk->case1 = 1;
			$pk->case2 = 0;
			if(($level = $this->getHolder()->getLevel()) instanceof Level){
				$level->addChunkPacket($this->getHolder()->getX() >> 4, $this->getHolder()->getZ() >> 4, $pk);
			}
		}
		parent::onClose($who);
	}
}