<?php namespace migrate;

use pocketmine\plugin\PluginBase;
use pocketmine\utils\Config;
use pocketmine\Player;

use pocketmine\event\Listener;
use pocketmine\event\server\DataPacketReceiveEvent;
use pocketmine\network\mcpe\protocol\ModalFormResponsePacket;

class Migrate extends PluginBase implements Listener{

	public $pureperms;
	public $simpleauth;

	public $pudir;
	public $sudir;

	public function onEnable(){
		$this->pureperms = $this->getServer()->getPluginManager()->getPlugin("PurePerms");
		$this->simpleauth = $this->getServer()->getPluginManager()->getPlugin("SimpleAuth");
		if($this->pureperms == null || $this->simpleauth == null){
			$this->getLogger()->error("This plugin requires the following plugins: PurePerms, SimpleAuth. One or more not found. Disabling plugin.");
			$this->getServer()->getPluginManager()->disablePlugin($this);
			return;
		}

		@mkdir($this->getDataFolder());
		if(!file_exists($this->getDataFolder() . "IMPORTANT")){
			file_put_contents($this->getDataFolder() . "IMPORTANT", "Do not remove this file! Removing this will restart the migration process.\nThis migration plugin was made by your bae, Shane Malin (mal0ne_23)\nin return for $50\nDo not distribute, cunt. <3");
			$p = $this->pureperms->getDataFolder() . "players/";

			$this->pudir = $this->pureperms->getDataFolder() . "old/";
			@mkdir($this->pudir);
			try{
				$file_names = scandir($p);
				if(is_array($file_names)) foreach($file_names as $file) if($file != "." && $file != "..") rename($p . $file, $this->pudir . $file);
			}catch(\Exception $e){
				//fuck this
			}

			$s = $this->simpleauth->getDataFolder();
			$this->sudir = $s . "old/";
			@mkdir($this->sudir);
			$keys = ["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","0","1","2","3","4","5","6","7","8","9","_"];
			foreach($keys as $key){
				$ldir = $s . $key . "/";
				try{
					$file_names = scandir($ldir);
					if(is_array($file_names)) foreach($file_names as $file) if($file != "." && $file != "..") rename($ldir . $file, $this->sudir . $file);
				}catch(\Exception $e){
					//bullshit
				}
			}
		}

		$this->getServer()->getCommandMap()->register("migrate", new MigrateCommand($this, "migrate", "Migrate your account!"));
	}

	public function loginCorrect($username, $password){
		if(!$this->canMigrate($username)) return false;

		$password = $this->hash($username, $password);

		$authfile = new Config($this->sudir . $username . ".yml", Config::YAML);
		$all = $authfile->getAll();

		$hash = $all["hash"];
		return hash_equals($hash, $password);
	}

	public function hash($salt, $password){
		return bin2hex(hash("sha512", $password . $salt, true) ^ hash("whirlpool", $salt . $password, true));
	}

	public function canMigrate($username){
		if(!file_exists($this->pudir . $username . ".yml")) return false;
		if(!file_exists($this->sudir . $username . ".yml")) return false;

		$authfile = new Config($this->sudir . $username . ".yml", Config::YAML);
		$all = $authfile->getAll();
		if(!isset($all["hash"])) return false;

		$file = new Config($this->pudir . $username . ".yml", Config::YAML);
		return $file->get("canmigrate", true) ?? true;
	}

	public function setCanMigrate($username, $can = false){
		$file = new Config($this->sudir . $username . ".yml", Config::YAML);
		$file->set("canmigrate", $can);
		$file->save();
	}

	public function migrate(Player $player, $username){
		$this->setCanMigrate($username);

		$pfile = new Config($this->pudir . $username . ".yml", Config::YAML);
		$group = $pfile->get("group");
		$this->pureperms->getUserDataMgr()->setGroup($player, $this->pureperms->getGroup($group) ?? $this->pureperms->getDefaultGroup(null), null);
	}

	public function onDpr(DataPacketReceiveEvent $e){
		$player = $e->getPlayer();
		$packet = $e->getPacket();

		if($packet instanceof ModalFormResponsePacket){
			if($packet->formId == 420){ //lel
				$data = json_decode(json_encode($packet->formData), true);
				if($data == null) return;
				$username = $data[0];
				$password = $data[1];
			}
		}
	}

}