<?php
	function displayPage(string $message)
	{
		global $RUNTIME;
		$HTML = new HTML();
		$HTML->setHTMLTitle("Registrieren");
		$HTML->importHTML("register.html");

		$HTML->ReplaceLayoutInhalt("%%MESSAGE%%", $message);
		$HTML->ReplaceLayoutInhalt("%%tosURL%%", $RUNTIME['TOOLS']['TOS'] ); 
		$HTML->ReplaceLayoutInhalt("%%INVCODE%%", htmlspecialchars($_REQUEST['code'])); 
	
		$HTML->build();
		echo $HTML->ausgabe();
		die();
	}

	if(!isset($_REQUEST['code']))
		die("MISSING INVITE CODE!");

	if(strlen($_REQUEST['code']) != 32 || !preg_match('/[a-f0-9]+/', $_REQUEST['code'])) {
		die("INVALID INVITE CODE!");
	}

	$statementInviteCode = $RUNTIME['PDO']->prepare("SELECT 1 FROM InviteCodes WHERE InviteCode = ? LIMIT 1");
	$statementInviteCode->execute([$_REQUEST['code']]);

	if($statementInviteCode->rowCount() == 0) {
		die("INVALID INVITE CODE!");
	}

	if($_SERVER['REQUEST_METHOD'] != 'POST') {		
		displayPage("");
	}

	include_once('app/FormValidator.php');

	$validator = new FormValidator(array(
		'tos' => array('required' => true, 'equals' => 'on'),
		'username' => array('required' => true, 'regex' => '/[^\\/<>\s]{1,64}( [^\\/<>\s]{1,64})?/'),
		'password' => array('required' => true, 'regex' => '/.{1,1000}/'),
		'email' => array('required' => true, 'regex' => '/\S{1,64}@\S{1,250}.\S{2,64}/'),
		'avatar' => array('required' => true)
	));

	if(!$validator->isValid($_POST)) {
		if(!isset($_POST['tos']) || $_POST['tos'] !== true) {
			displayPage("Du musst die Nutzungsbedingungen lesen und Akzeptieren.");
		}
		else {
			displayPage("Ups da stimmt was nicht. Versuche es bitte noch mal.");
		}

		die();
	}

	$RUNTIME['REGISTER']['Name']	=	null;
	$RUNTIME['REGISTER']['PASS']	=	null;
	$RUNTIME['REGISTER']['EMAIL']	=	null;
	$RUNTIME['REGISTER']['AVATAR']	=	null;
	$RUNTIME['REGISTER']['TOS']		=	true;
	$name = trim($_POST['username']);
	if($name != "")
	{
		$nameParts = explode(" ", $name);
		if(count($nameParts) == 1)
		{
			$name .= " Resident";
			$nameParts = explode(" ", $name);
		}
			
		$statementAvatarName = $RUNTIME['PDO']->prepare("SELECT 1 FROM UserAccounts WHERE FirstName = :FirstName AND LastName = :LastName LIMIT 1");
		$statementAvatarName->execute(['FirstName' => $nameParts[0], 'LastName' => $nameParts[1]]); 
		if($statementAvatarName->rowCount() == 0)
		{
			$RUNTIME['REGISTER']['Name']	=	$name;
		}
		else
		{
			displayPage("Der gewählte Name ist bereits vergeben.");
		}
	}
	$RUNTIME['REGISTER']['PASS'] = trim($_POST['password']);
	$RUNTIME['REGISTER']['EMAIL']	=	trim($_POST['email']);	
	if(isset($RUNTIME['DEFAULTAVATAR'][$_POST['avatar']]['UUID']))
	{
		$RUNTIME['REGISTER']['AVATAR']	=	trim($_POST['avatar']);
	}
	else
	{
		displayPage("Der gewählte Standardavatar existiert nicht.");
	}

	include 'app/OpenSim.php';
	$opensim = new OpenSim();

	$avatarUUID = $opensim->gen_uuid();
	$passwordHash = password_hash($RUNTIME['REGISTER']['PASS'], PASSWORD_ARGON2ID);
	$avatarNameParts = explode(" ", $RUNTIME['REGISTER']['Name']);
	$statementAuth = $RUNTIME['PDO']->prepare('INSERT INTO `auth` (`UUID`, `passwordHash`, `webLoginKey`, `accountType`) VALUES (:UUID, :HASHVALUE, :WEBKEY, :ACCTYPE)'); 
	$statementAuth->execute(['UUID' => $avatarUUID, 'HASHVALUE' => $passwordHash, 'WEBKEY' => "00000000-0000-0000-0000-000000000000", 'ACCTYPE' => "UserAccount"]);
	$statementAccounts = $RUNTIME['PDO']->prepare('INSERT INTO `UserAccounts` (`PrincipalID`, `ScopeID`, `FirstName`, `LastName`, `Email`, `ServiceURLs`, `Created`, `UserLevel`, `UserFlags`, `UserTitle`, `active`) VALUES (:PrincipalID, :ScopeID, :FirstName, :LastName, :Email, :ServiceURLs, :Created, :UserLevel, :UserFlags, :UserTitle, :active )'); 
	$statementAccounts->execute(['PrincipalID' => $avatarUUID, 'ScopeID' => "00000000-0000-0000-0000-000000000000", 'FirstName' => $avatarNameParts[0], 'LastName' => $avatarNameParts[1], 'Email' => $RUNTIME['REGISTER']['EMAIL'], 'ServiceURLs' => "HomeURI= GatekeeperURI= InventoryServerURI= AssetServerURI= ", 'Created' => time(), 'UserLevel' => 0, 'UserFlags' => 0, 'UserTitle' => "", 'active' => 1]);
	$statementProfile = $RUNTIME['PDO']->prepare('INSERT INTO `userprofile` (`useruuid`, `profilePartner`, `profileImage`, `profileFirstImage`) VALUES (:useruuid, :profilePartner, :profileImage, :profileFirstImage)'); 
	$statementProfile->execute(['useruuid' => $avatarUUID, 'profilePartner' => "00000000-0000-0000-0000-000000000000", 'profileImage' => "00000000-0000-0000-0000-000000000000", 'profileFirstImage' => "00000000-0000-0000-0000-000000000000"]);
	$Inventory 				= array('Calling Cards' => 2, 'Objects' => 6, 'Landmarks' => 3, 'Clothing' => 5, 'Gestures' => 21, 'Body Parts' => 13, 'Textures' =>  0, 'Scripts' => 10, 'Photo Album' => 15, 'Lost And Found' => 16, 'Trash' => 14, 'Notecards' =>  7, 'My Inventory' =>  8, 'Sounds' =>  1, 'Animations' => 20);
	$InventoryRootFolder 	= $opensim->gen_uuid();
	foreach ($Inventory as $FolderName => $InventoryType)
	{
		$FolderUUID = $opensim->gen_uuid();
		if ($InventoryType == 8)
		{
			$FolderUUID = $InventoryRootFolder;
			$FolderParent = "00000000-0000-0000-0000-000000000000";
		}else{
			$FolderParent = $InventoryRootFolder;
		}
		$statementInventoryFolder = $RUNTIME['PDO']->prepare('INSERT INTO `inventoryfolders` (`folderName`, `type`, `version`, `folderID`, `agentID`, `parentFolderID`) VALUES (:folderName, :folderTyp, :folderVersion, :folderID, :agentID, :parentFolderID)'); 
		$statementInventoryFolder->execute(['agentID' => $avatarUUID, 'folderName' => $FolderName, 'folderTyp' => $InventoryType, 'folderVersion' => 1, 'folderID' => $FolderUUID, 'parentFolderID' => $FolderParent]);
	}
	$statementInviteDeleter = $RUNTIME['PDO']->prepare('DELETE FROM InviteCodes WHERE InviteCode = :code'); 
	$statementInviteDeleter->execute(['code' => $_REQUEST['code']]);
	session_unset(); // Unset pre-session variables, next request will generate a new CSRF token
	$_SESSION['USERNAME'] = trim($RUNTIME['REGISTER']['Name']);
	$_SESSION['FIRSTNAME'] = trim($avatarNameParts[0]);
	$_SESSION['LASTNAME'] = trim($avatarNameParts[1]);
	$_SESSION['EMAIL'] = trim($RUNTIME['REGISTER']['EMAIL']);
	$_SESSION['PASSWORD'] = $passwordHash;
	$_SESSION['UUID'] = $avatarUUID;
	$_SESSION['LEVEL'] = 0;
	$_SESSION['DISPLAYNAME'] = strtoupper(trim($RUNTIME['REGISTER']['Name']));
	$_SESSION['LOGIN'] = 'true';

	header('Location: index.php?page=dashboard');
	die();
?>