<?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\command\defaults;

use pocketmine\command\CommandSender;

class DumpMemoryCommand extends VanillaCommand{

	private static $executions = 0;

	public function __construct(string $name){
		parent::__construct(
			$name,
			"Dumps the memory",
			"/$name <TOKEN (run once to get it)> [path]"
		);
		$this->setPermission("pocketmine.command.dumpmemory");
	}

	public function execute(CommandSender $sender, string $commandLabel, array $args){
		if(!$this->testPermission($sender)){
			return true;
		}

		$token = strtoupper(substr(sha1(BOOTUP_RANDOM . ":" . $sender->getServer()->getServerUniqueId() . ":" . self::$executions), 6, 6));

		if(count($args) < 1 or strtoupper($args[0]) !== $token){
			$sender->sendMessage("Usage: /" . $this->getName() . " " . $token);
			return true;
		}

		++self::$executions;

		$sender->getServer()->getMemoryManager()->dumpServerMemory($args[1] ?? ($sender->getServer()->getDataPath() . "/memoryDump_$token"), 48, 80);
		return true;
	}
}
