<?php
/*
This file belongs to the Webinterface of schokokeks.org Hosting

Written by schokokeks.org Hosting, namely
  Bernd Wurst <bernd@schokokeks.org>
  Hanno Böck <hanno@schokokeks.org>

This code is published under a 0BSD license.

Nevertheless, in case you use a significant part of this code, we ask (but not require, see the license) that you keep the authors' names in place and return your changes to the public. We would be especially happy if you tell us what you're going to do with this code.
*/

if (!defined("TOP_INCLUDED")) {
    define("TOP_INCLUDED", true);

    require_once("inc/error.php");
    require_once("inc/debug.php");
    global $prefix, $section;

    $menuitem = [];
    $weighted_menuitem = [];

    $submenu = [];

    foreach (config('modules') as $module) {
        $menu = [];
        if (file_exists("modules/{$module}/menu.php")) {
            include("modules/{$module}/menu.php");
        }
        if (empty($menu)) {
            #DEBUG("Modul {$module} hat keine Menüeinträge");
            continue;
        }
        // Menüeinträge spammen den debug-output zu
        //DEBUG("<h4>$module</h4>");
        //DEBUG($menu);
        // $menu["foo"]["file"] enthält den Link
        foreach (array_keys($menu) as $key) {
            $menu[$key]["file"] = $prefix."go/".$module."/".$menu[$key]["file"];
            $weight = $menu[$key]["weight"];
            if (isset($menu[$key]['submenu'])) {
                if (isset($submenu[$menu[$key]['submenu']][$weight])) {
                    $submenu[$menu[$key]['submenu']][$weight] = array_merge($submenu[$menu[$key]['submenu']][$weight], [$key => $menu[$key]]);
                } else {
                    $submenu[$menu[$key]['submenu']][$weight] = [$key => $menu[$key]];
                }
            } else {
                if (array_key_exists($weight, $weighted_menuitem)) {
                    $weighted_menuitem[$weight] = array_merge($weighted_menuitem[$weight], [$key => $menu[$key]]);
                } else {
                    $weighted_menuitem[$weight] = [$key => $menu[$key]];
                }
            }
        }
        $menuitem = array_merge($menuitem, $menu);
    }

    foreach ($submenu as $key => $content) {
        $found = false;
        foreach ($weighted_menuitem as $weight => $data) {
            if (array_key_exists($key, $data)) {
                DEBUG("found requested submenu ".$key);
                $found = true;
            }
        }
        if (!$found) {
            DEBUG("Submenu ".$key." requested but not present!");
            // Ein Submenü von einem nicht existierenden Hauptmenü wird angefordert
            // Menüpunkt muss als Hauptmenüpunkt geführt werden
            $weighted_menuitem = $weighted_menuitem + $content;
        }
    }

    ksort($weighted_menuitem);
    #DEBUG($weighted_menuitem);

    foreach ($submenu as $weight => $data) {
        ksort($submenu[$weight]);
    }

    #DEBUG($submenu);

    // Verbiete das Laden in jeglichem Frameset
    header("X-FRAME-OPTIONS: DENY");
    header("Content-Type: ".config('mime_type'));

    if (!isset($html_header)) {
        $html_header = '';
    }

    function array_key_exists_r($needle, $haystack)
    {
        $result = array_key_exists($needle, $haystack);
        if ($result) {
            return $result;
        }
        foreach ($haystack as $v) {
            if (is_array($v)) {
                $result = array_key_exists_r($needle, $v);
            }
            if ($result) {
                return $result;
            }
        }
        return $result;
    }


    $menu = '';

    foreach ($weighted_menuitem as $key => $menuitem) {
        foreach ($menuitem as $key => $item) {
            if ($key == $section) {
                $menu .= '<a href="'.$item['file'].'" class="menuitem active">'.$item['label'].'</a>'."\n";
            } else {
                $menu .= '<a href="'.$item['file'].'" class="menuitem">'.$item['label'].'</a>'."\n";
            }
            if (isset($submenu[$key])) {
                if ($key == $section || (array_key_exists($key, $submenu) && array_key_exists_r($section, $submenu[$key]))) {
                    $menu .= "\n";
                    foreach ($submenu[$key] as $weight => $mysub) {
                        foreach ($mysub as $sec => $item) {
                            if ($sec == $section) {
                                $menu .= '<a href="'.$item['file'].'" class="submenuitem menuitem active">'.$item['label'].'</a>'."\n";
                            } else {
                                $menu .= '<a href="'.$item['file'].'" class="submenuitem menuitem">'.$item['label'].'</a>'."\n";
                            }
                        }
                    }
                    $menu .= "\n";
                }
            }
        }
    }

    $userinfo = '';

    $role = $_SESSION['role'];
    if ($role != ROLE_ANONYMOUS) {
        $userinfo .= '<p class="userinfo">Angemeldet als:<br />';
        if ($role & ROLE_SYSTEMUSER && isset($_SESSION['subuser'])) {
            $userinfo .= '<strong>'.$_SESSION['subuser'].'</strong>';
            $userinfo .= '<br />Mitbenutzer von '.$_SESSION['userinfo']['username'];
        } elseif ($role & ROLE_SYSTEMUSER) {
            $userinfo .= '<strong>'.$_SESSION['userinfo']['username'].'</strong>';
            $userinfo .= '<br />'.$_SESSION['userinfo']['name'];
            $userinfo .= '<br />(UID '.$_SESSION['userinfo']['uid'].(($role & ROLE_CUSTOMER) ? ', Kunde '.$_SESSION['customerinfo']['customerno'] : '').')';
        } elseif ($role & ROLE_CUSTOMER) {
            $userinfo .= '<strong>'.$_SESSION['customerinfo']['name'].'</strong>';
            $userinfo .= '<br />(Kunde '.$_SESSION['customerinfo']['customerno'].')';
        } elseif ($role & (ROLE_MAILACCOUNT | ROLE_VMAIL_ACCOUNT)) {
            $userinfo .= '<strong>'.$_SESSION['mailaccount'].'</strong><br />(Postfach von Benutzer <em>'.$_SESSION['userinfo']['username'].'</em>)';
        }
        $userinfo .= '</p>';
    }

    if (isset($_SESSION['admin_user'])) {
        $userinfo .= '<p class="admininfo">';
        $userinfo .= '<a href="'.$prefix.'go/su/back_to_admin">Zurück zu »'.$_SESSION['admin_user'].'«</a>';
        $userinfo .= '</p>';
    }

    $messages = get_messages();

    $BASE_PATH = $prefix;
    $THEME_PATH = $prefix."themes/".config('theme')."/";
}