<?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/
 *
 *
 */

declare(strict_types=1);

namespace pocketmine\network\mcpe\cache;

use pocketmine\network\mcpe\protocol\AvailableActorIdentifiersPacket;
use pocketmine\network\mcpe\protocol\BiomeDefinitionListPacket;
use pocketmine\network\mcpe\protocol\serializer\NetworkNbtSerializer;
use pocketmine\network\mcpe\protocol\types\CacheableNbt;
use pocketmine\utils\SingletonTrait;
use Symfony\Component\Filesystem\Path;
use function file_get_contents;

class StaticPacketCache{
	use SingletonTrait;

	/**
	 * @phpstan-return CacheableNbt<\pocketmine\nbt\tag\CompoundTag>
	 */
	private static function loadCompoundFromFile(string $filePath) : CacheableNbt{
		$rawNbt = @file_get_contents($filePath);
		if($rawNbt === false) throw new \RuntimeException("Failed to read file");
		return new CacheableNbt((new NetworkNbtSerializer())->read($rawNbt)->mustGetCompoundTag());
	}

	private static function make() : self{
		return new self(
			BiomeDefinitionListPacket::create(self::loadCompoundFromFile(Path::join(\pocketmine\BEDROCK_DATA_PATH, 'biome_definitions.nbt'))),
			AvailableActorIdentifiersPacket::create(self::loadCompoundFromFile(Path::join(\pocketmine\BEDROCK_DATA_PATH, 'entity_identifiers.nbt')))
		);
	}

	public function __construct(
		private BiomeDefinitionListPacket $biomeDefs,
		private AvailableActorIdentifiersPacket $availableActorIdentifiers
	){}

	public function getBiomeDefs() : BiomeDefinitionListPacket{
		return $this->biomeDefs;
	}

	public function getAvailableActorIdentifiers() : AvailableActorIdentifiersPacket{
		return $this->availableActorIdentifiers;
	}
}