<?php

namespace Code\Module;

use App;
use Code\Web\Controller;
use Code\Lib\Libprofile;
use Code\Lib\Channel;
use Code\Lib as Zlib;
use Code\Render\Theme;


class Menu extends Controller
{


    public function init()
    {

        if (argc() > 1 && argv(1) === 'sys' && is_site_admin()) {
            $sys = Channel::get_system();
            if ($sys && intval($sys['channel_id'])) {
                App::$is_sys = true;
            }
        }

        if (argc() > 1) {
            $which = argv(1);
        } else {
            return;
        }

        Libprofile::load($which);
    }


    public function post()
    {

        if (!App::$profile) {
            return;
        }

        $which = argv(1);


        $uid = App::$profile['channel_id'];

        if (array_key_exists('sys', $_REQUEST) && $_REQUEST['sys'] && is_site_admin()) {
            $sys = Channel::get_system();
            $uid = intval($sys['channel_id']);
            App::$is_sys = true;
        }

        if (!$uid) {
            return;
        }

        $_REQUEST['menu_channel_id'] = $uid;

        if ($_REQUEST['menu_bookmark']) {
            $_REQUEST['menu_flags'] |= MENU_BOOKMARK;
        }
        if ($_REQUEST['menu_system']) {
            $_REQUEST['menu_flags'] |= MENU_SYSTEM;
        }

        $menu_id = ((argc() > 1) ? intval(argv(1)) : 0);
        if ($menu_id) {
            $_REQUEST['menu_id'] = intval(argv(1));
            $r = Zlib\Menu::edit($_REQUEST);
            if ($r) {
                Zlib\Menu::sync_packet($uid, get_observer_hash(), $menu_id);
                //info( t('Menu updated.') . EOL);
                goaway(z_root() . '/mitem/' . $which . '/' . $menu_id . ((App::$is_sys) ? '?f=&sys=1' : ''));
            } else {
                notice(t('Unable to update menu.') . EOL);
            }
        } else {
            $r = Zlib\Menu::create($_REQUEST);
            if ($r) {
                Zlib\Menu::sync_packet($uid, get_observer_hash(), $r);

                //info( t('Menu created.') . EOL);
                goaway(z_root() . '/mitem/' . $which . '/' . $r . ((App::$is_sys) ? '?f=&sys=1' : ''));
            } else {
                notice(t('Unable to create menu.') . EOL);
            }
        }
    }


    public function get()
    {


        if (!App::$profile) {
            notice(t('Requested profile is not available.') . EOL);
            App::$error = 404;
            return '';
        }

        $which = argv(1);

        $_SESSION['return_url'] = App::$query_string;

        $uid = local_channel();
        $owner = 0;
        $channel = null;
        $observer = App::get_observer();

        $channel = App::get_channel();

        if (App::$is_sys && is_site_admin()) {
            $sys = Channel::get_system();
            if ($sys && intval($sys['channel_id'])) {
                $uid = $owner = intval($sys['channel_id']);
                $channel = $sys;
                $observer = $sys;
            }
        }

        if (!$owner) {
            // Figure out who the page owner is.
            $r = Channel::from_username($which);
            if ($r) {
                $owner = intval($r['channel_id']);
            }
        }

        $ob_hash = (($observer) ? $observer['xchan_hash'] : '');

        $perms = get_all_perms($owner, $ob_hash);

        if (!$perms['write_pages']) {
            notice(t('Permission denied.') . EOL);
            return '';
        }

        // Get the observer, check their permissions

        $ob_hash = (($observer) ? $observer['xchan_hash'] : '');

        $perms = get_all_perms($owner, $ob_hash);

        if (!$perms['write_pages']) {
            notice(t('Permission denied.') . EOL);
            return '';
        }

        if (argc() == 2) {
            $channel = (($sys) ? $sys : Channel::from_id($owner));

            // list menus
            $x = Zlib\Menu::list($owner);
            if ($x) {
                for ($y = 0; $y < count($x); $y++) {
                    $m = Zlib\Menu::fetch($x[$y]['menu_name'], $owner, get_observer_hash());
                    if ($m) {
                        $x[$y]['element'] = '[element]' . base64url_encode(json_encode(Zlib\Menu::element($channel, $m))) . '[/element]';
                    }
                    $x[$y]['bookmark'] = (($x[$y]['menu_flags'] & MENU_BOOKMARK) ? true : false);
                }
            }

            $create = replace_macros(Theme::get_template('menuedit.tpl'), [
                '$menu_name' => ['menu_name', t('Menu Name'), '', t('Unique name (not visible on webpage) - required'), '*'],
                '$menu_desc' => ['menu_desc', t('Menu Title'), '', t('Visible on webpage - leave empty for no title'), ''],
                '$menu_bookmark' => ['menu_bookmark', t('Allow Bookmarks'), 0, t('Menu may be used to store saved bookmarks'), [t('No'), t('Yes')]],
                '$submit' => t('Submit and proceed'),
                '$sys' => App::$is_sys,
                '$nick' => $which,
                '$display' => 'none'
            ]);

            $o = replace_macros(Theme::get_template('menulist.tpl'), [
                '$title' => t('Menus'),
                '$create' => $create,
                '$menus' => $x,
                '$nametitle' => t('Menu Name'),
                '$desctitle' => t('Menu Title'),
                '$edit' => t('Edit'),
                '$drop' => t('Drop'),
                '$created' => t('Created'),
                '$edited' => t('Edited'),
                '$new' => t('New'),
                '$bmark' => t('Bookmarks allowed'),
                '$hintnew' => t('Create'),
                '$hintdrop' => t('Delete this menu'),
                '$hintcontent' => t('Edit menu contents'),
                '$hintedit' => t('Edit this menu'),
                '$nick' => $which,
                '$sys' => App::$is_sys
            ]);

            return $o;
        }

        if (argc() > 2) {
            if (intval(argv(2))) {
                if (argc() == 4 && argv(3) == 'drop') {
                    Zlib\Menu::sync_packet($owner, get_observer_hash(), intval(argv(1)), true);
                    $r = Zlib\Menu::delete_id(intval(argv(2)), $owner);
                    if (!$r) {
                        notice(t('Menu could not be deleted.') . EOL);
                    }

                    goaway(z_root() . '/menu/' . $which . ((App::$is_sys) ? '?f=&sys=1' : ''));
                }

                $m = Zlib\Menu::fetch_id(intval(argv(2)), $owner);

                if (!$m) {
                    notice(t('Menu not found.') . EOL);
                    return '';
                }

                $o = replace_macros(Theme::get_template('menuedit.tpl'), [
                    '$header' => t('Edit Menu'),
                    '$sys' => App::$is_sys,
                    '$menu_id' => intval(argv(2)),
                    '$menu_edit_link' => 'mitem/' . $which . '/' . intval(argv(1)) . ((App::$is_sys) ? '?f=&sys=1' : ''),
                    '$hintedit' => t('Add or remove entries to this menu'),
                    '$editcontents' => t('Edit menu contents'),
                    '$menu_name' => ['menu_name', t('Menu name'), $m['menu_name'], t('Must be unique, only seen by you'), '*'],
                    '$menu_desc' => ['menu_desc', t('Menu title'), $m['menu_desc'], t('Menu title as seen by others'), ''],
                    '$menu_bookmark' => ['menu_bookmark', t('Allow bookmarks'), (($m['menu_flags'] & MENU_BOOKMARK) ? 1 : 0), t('Menu may be used to store saved bookmarks'), [t('No'), t('Yes')]],
                    '$menu_system' => (($m['menu_flags'] & MENU_SYSTEM) ? 1 : 0),
                    '$nick' => $which,
                    '$submit' => t('Submit and proceed')
                ]);

                return $o;
            } else {
                notice(t('Not found.') . EOL);
                return '';
            }
        }
        return '';
    }
}