<?php
	declare(strict_types = 1);
	namespace Kimendisch\Thi_Hub;
	use Flake\Project;
	use Flake\Lang;
	use Flake\Lang_Dict;
	use Flake\Request;
	use Flake\Url;
	use Flake\Url_redirect;
	
	// MAYBE REDIRECT //
	// get selected language
	$param_lang = Project::param("lang");
	
	// validate
	if(!in_array($param_lang, ["de", "en"])){
		// try to find best language
		unset($_GET["lang"]);
		if(isset($_COOKIE[Lang::COOKIE_NAME])) unset($_COOKIE[Lang::COOKIE_NAME]);
		$lang = new Lang(list: ["de", "en"], default: "de");
		
		// redirect
		$path_raw = Request::path_raw();
		if($param_lang !== null) $path_raw = array_splice($path_raw, 1);
		array_unshift($path_raw, $lang->get());
		$path_raw_full = implode("/", $path_raw);
		Url_redirect::path_modify($path_raw_full);
	}
	
	
	// LANGUAGE MANAGER //
	// hack: fake get param from url path
	$_GET["lang"] = $param_lang;
	
	// initialize
	Data::$lang_object = new Lang(list: ["de", "en"], default: "de");
	Data::$lang = Data::$lang_object->get();
	
	// load dict
	Data::$dict = new Lang_Dict(Data::$lang_object);
	require("./page/strings.php");
	
	
	// BUILD ALTERNATE LANGUAGE URLS //
	// get content path
	$content_path_raw = Request::path_raw();
	$content_path_raw = array_splice($content_path_raw, 1);
	
	// prepend lang codes
	foreach(["de", "en"] as $one_lang_code){
		$path_raw = $content_path_raw;
		array_unshift($path_raw, $one_lang_code);
		Data::$alternate[$one_lang_code] = Url::path_modify(implode("/", $path_raw));
	}
?>