<?php

require_once('include/menu.php');
require_once('include/acl_selectors.php');

function mitem_init(&$a) {

	$uid = local_channel();

	if(array_key_exists('sys',$_REQUEST) && $_REQUEST['sys'] && is_site_admin()) {
		$sys = get_sys_channel();
		$uid = intval($sys['channel_id']);
		$a->is_sys = true;
	}

	if(! $uid)
		return;

	if(argc() < 2)
		return;

	$m = menu_fetch_id(intval(argv(1)),$uid);
	if(! $m) {
		notice( t('Menu not found.') . EOL);
		return '';
	}
	$a->data['menu'] = $m;

}

function mitem_post(&$a) {

	$uid = local_channel();

	if($a->is_sys && is_site_admin()) {
		$sys = get_sys_channel();
		$uid = intval($sys['channel_id']);
	}

	if(! $uid) {
		return;
	}

	if(! $a->data['menu'])
		return;

	if(!$_REQUEST['mitem_desc'] || !$_REQUEST['mitem_link']) {
		notice( t('Unable to create element.') . EOL);
		return;
	}

	$_REQUEST['mitem_channel_id'] = $uid;
	$_REQUEST['menu_id'] = $a->data['menu']['menu_id'];

	$_REQUEST['mitem_flags'] = 0;
	if($_REQUEST['usezid'])
		$_REQUEST['mitem_flags'] |= MENU_ITEM_ZID;
	if($_REQUEST['newwin'])
		$_REQUEST['mitem_flags'] |= MENU_ITEM_NEWWIN;

	
	$mitem_id = ((argc() > 2) ? intval(argv(2)) : 0);
	if($mitem_id) {
		$_REQUEST['mitem_id'] = $mitem_id;
		$r = menu_edit_item($_REQUEST['menu_id'],$uid,$_REQUEST);	
		if($r) {
			menu_sync_packet($uid,get_observer_hash(),$_REQUEST['menu_id']);
			//info( t('Menu element updated.') . EOL);
			goaway(z_root() . '/mitem/' . $_REQUEST['menu_id'] . (($a->is_sys) ? '?f=&sys=1' : ''));
		}
		else
			notice( t('Unable to update menu element.') . EOL);

	}
	else {
		$r = menu_add_item($_REQUEST['menu_id'],$uid,$_REQUEST);	
		if($r) {
			menu_sync_packet($uid,get_observer_hash(),$_REQUEST['menu_id']);
			//info( t('Menu element added.') . EOL);
			if($_REQUEST['submit']) {
				goaway(z_root() . '/menu' . (($a->is_sys) ? '?f=&sys=1' : ''));
			}
			if($_REQUEST['submit-more']) {
				goaway(z_root() . '/mitem/' . $_REQUEST['menu_id'] . '?f=&display=block' . (($a->is_sys) ? '&sys=1' : '') );
			}
		}
		else
			notice( t('Unable to add menu element.') . EOL);

	}

}


function mitem_content(&$a) {

	$uid = local_channel();
	$channel = $a->get_channel();
	$observer = $a->get_observer();

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

	if($a->is_sys && is_site_admin()) {
		$sys = get_sys_channel();
		$uid = intval($sys['channel_id']);
		$channel = $sys;
		$ob_hash = $sys['xchan_hash'];
	}

	if(! $uid) {
		notice( t('Permission denied.') . EOL);
		return '';
	}

	if(argc() < 2 || (! $a->data['menu'])) {
		notice( t('Not found.') . EOL);
		return '';
	}

	$m = menu_fetch($a->data['menu']['menu_name'],$uid,$ob_hash);
	$a->data['menu_item'] = $m;

	$menu_list = menu_list($uid);

	foreach($menu_list as $menus) {
		if($menus['menu_name'] != $m['menu']['menu_name'])
			$menu_names[] = $menus['menu_name'];
	}

	$acl = new AccessList($channel);

	$lockstate = (($channel['channel_allow_cid'] || $channel['channel_allow_gid'] || $channel['channel_deny_cid'] || $channel['channel_deny_gid']) ? 'lock' : 'unlock');

	if(argc() == 2) {
		$r = q("select * from menu_item where mitem_menu_id = %d and mitem_channel_id = %d order by mitem_order asc, mitem_desc asc",
			intval($a->data['menu']['menu_id']),
			intval($uid)
		);

		if($_GET['display']) {
			$display = $_GET['display'];
		}
		else {
			$display = (($r) ? 'none' : 'block');
		}

		$create = replace_macros(get_markup_template('mitemedit.tpl'), array(
			'$menu_id'     => $a->data['menu']['menu_id'],
			'$permissions' => t('Menu Item Permissions'),
			'$permdesc'    => t("\x28click to open/close\x29"),
			'$aclselect'   => populate_acl($acl->get(),false),
			'$mitem_desc'  => array('mitem_desc', t('Link Name'), '', 'Visible name of the link','*'),
			'$mitem_link'  => array('mitem_link', t('Link or Submenu Target'), '', t('Enter URL of the link or select a menu name to create a submenu'), '*', 'list="menu-names"'),
			'$usezid'      => array('usezid', t('Use magic-auth if available'), true, '', array(t('No'), t('Yes'))),
			'$newwin'      => array('newwin', t('Open link in new window'), false,'', array(t('No'), t('Yes'))),
			'$mitem_order' => array('mitem_order', t('Order in list'),'0',t('Higher numbers will sink to bottom of listing')),
			'$submit'      => t('Submit and finish'),
			'$submit_more' => t('Submit and continue'),
			'$display'     => $display,
			'$lockstate'   => $lockstate,
			'$menu_names'  => $menu_names,
			'$sys'         => $a->is_sys
		));

		$o .= replace_macros(get_markup_template('mitemlist.tpl'),array(
			'$title'       => t('Menu:'),
			'$create'      => $create,
			'$nametitle'   => t('Link Name'),
			'$targettitle' => t('Link Target'),
			'$menuname'    => $a->data['menu']['menu_name'],
			'$menudesc'    => $a->data['menu']['menu_desc'],
			'$edmenu'      => t('Edit menu'),
			'$menu_id'     => $a->data['menu']['menu_id'],
			'$mlist'       => $r,
			'$edit'        => t('Edit element'),
			'$drop'        => t('Drop element'),
			'$new'         => t('New element'),
			'$hintmenu'    => t('Edit this menu container'),
			'$hintnew'     => t('Add menu element'),
			'$hintdrop'    => t('Delete this menu item'),
			'$hintedit'    => t('Edit this menu item'),
		));

		return $o;
	}


	if(argc() > 2) {

		if(intval(argv(2))) {

			$m = q("select * from menu_item where mitem_id = %d and mitem_channel_id = %d limit 1",
				intval(argv(2)),
				intval($uid)
			);

			if(! $m) {
				notice( t('Menu item not found.') . EOL);
				goaway(z_root() . '/menu'. (($a->is_sys) ? '?f=&sys=1' : ''));
			}

			$mitem = $m[0];

			$lockstate = (($mitem['allow_cid'] || $mitem['allow_gid'] || $mitem['deny_cid'] || $mitem['deny_gid']) ? 'lock' : 'unlock');

			if(argc() == 4 && argv(3) == 'drop') {
				menu_sync_packet($uid,get_observer_hash(),$mitem['mitem_menu_id']);
				$r = menu_del_item($mitem['mitem_menu_id'], $uid, intval(argv(2)));
				menu_sync_packet($uid,get_observer_hash(),$mitem['mitem_menu_id']);
				if($r)
					info( t('Menu item deleted.') . EOL);
				else
					notice( t('Menu item could not be deleted.'). EOL);

				goaway(z_root() . '/mitem/' . $mitem['mitem_menu_id'] . (($a->is_sys) ? '?f=&sys=1' : ''));
			}

			// edit menu item
			$o = replace_macros(get_markup_template('mitemedit.tpl'), array(
				'$header' => t('Edit Menu Element'),
				'$menu_id' => $a->data['menu']['menu_id'],
				'$permissions' => t('Menu Item Permissions'),
				'$permdesc' => t("\x28click to open/close\x29"),
				'$aclselect' => populate_acl($mitem,false),
				'$mitem_id' => intval(argv(2)),
				'$mitem_desc' => array('mitem_desc', t('Link text'), $mitem['mitem_desc'], '','*'),
				'$mitem_link'  => array('mitem_link', t('Link or Submenu Target'), $mitem['mitem_link'], 'Enter URL of the link or select a menu name to create a submenu', '*', 'list="menu-names"'),
				'$usezid' => array('usezid', t('Use magic-auth if available'), (($mitem['mitem_flags'] & MENU_ITEM_ZID) ? 1 : 0), '', array(t('No'), t('Yes'))),
				'$newwin' => array('newwin', t('Open link in new window'), (($mitem['mitem_flags'] & MENU_ITEM_NEWWIN) ? 1 : 0),'', array(t('No'), t('Yes'))),
				'$mitem_order' => array('mitem_order', t('Order in list'),$mitem['mitem_order'],t('Higher numbers will sink to bottom of listing')),
				'$submit' => t('Submit'),
				'$lockstate'     => $lockstate,
				'$menu_names'  => $menu_names
			));

			return $o;
		}
	}
}
