<?php

// aggiungere nuovo protocollo per template
include (ADMIN_DIR . 'panels/admin.defaultpanels.php');
include (ADMIN_DIR . 'includes/panels.prototypes.php');
require (SMARTY_DIR . 'SmartyValidate.class.php');

utils_nocache_headers();

define('MOD_ADMIN_PANEL', 1);

function wp_nonce_ays() {
	die('We apologize, an error occurred.');
}

/*
 * function admin_is_user_loggedin() {
 * return ($u=user_loggedin()) && utils_checkreferer() ;
 * }
 */
function main() {

	// general setup
	global $panel, $action, $lang, $smarty, $fp_admin, $fp_admin_action;

	$panels = admin_getpanels();

	$panel = (isset($_GET ['p'])) ? $_GET ['p'] : $panels [0];
	define('ADMIN_PANEL', $panel);
	$smarty->assign('panel', $panel);

	// redirect to admin main page if requested panel does not exist
	if (!admin_panelexists($panel)) {
		// will lead to login if not logged in already
		utils_redirect("admin.php");
		die();
	}

	$panelprefix = "admin.$panel";
	$panelpath = ADMIN_DIR . "panels/$panel/$panelprefix.php";

	$fp_admin = null;

	if (file_exists($panelpath)) {

		include ($panelpath);
		$panelclass = "admin_$panel";

		if (!class_exists($panelclass))
			trigger_error("No class defined for requested panel", E_USER_ERROR);

		$fp_admin = new $panelclass($smarty);
	}

	/* check if user is loggedin */

	if (!user_loggedin()) {
		utils_redirect("login.php");
		die();
	}

	$action = isset($_GET ['action']) ? $_GET ['action'] : 'default';
	if (!$fp_admin)
		return;

	$fp_admin_action = $fp_admin->get_action($action);

	define('ADMIN_PANEL_ACTION', $action);
	$smarty->assign('action', $action);
	$panel_url = BLOG_BASEURL . "admin.php?p={$panel}";
	$action_url = $panel_url . "&action={$action}";
	$smarty->assign('panel_url', $panel_url);
	$smarty->assign('action_url', $action_url);

	if (!empty($_POST))
		check_admin_referer("admin_{$panel}_{$action}");

	$smarty->assign('success', sess_remove("success_{$panel}"));
	$retval = $fp_admin_action->exec();

	if ($retval > 0) { // if has REDIRECT option
	                   // clear postdata by a redirect

		sess_add("success_{$panel}", $smarty->get_template_vars('success'));
		$smarty->get_template_vars('success');

		$to_action = $retval > 1 ? ('&action=' . $action) : '';
		$with_mod = isset($_GET ['mod']) ? ('&mod=' . $_GET ['mod']) : '';
		$with_arguments = '';

		if ($retval == PANEL_REDIRECT_CURRENT) {
			foreach ($fp_admin_action->args as $mandatory_argument) {
				$with_arguments .= '&' . $mandatory_argument . '=' . $_REQUEST [$mandatory_argument];
			}
		}

		$url = "admin.php?p={$panel}{$to_action}{$with_mod}{$with_arguments}";
		utils_redirect($url);
	}

	$smarty->register_modifier('action_link', 'admin_filter_action');
	$smarty->register_modifier('cmd_link', 'admin_filter_command');
}

// smarty tag
function admin_filter_action($string, $action) {
	if (strpos($string, '?') === false)
		return $string .= "?action={$action}";
	else
		return $string .= wp_specialchars("&action={$action}");
}

// smarty tag
function admin_filter_command($string, $cmd, $val) {
	global $panel, $action;

	$arg = $cmd ? "&{$cmd}" : $cmd;

	return wp_nonce_url("{$string}{$arg}={$val}", "admin_{$panel}_{$action}_{$cmd}_{$val}");
}

function admin_panelstrings($panelprefix) {
	global $lang, $smarty;

	lang_load('admin');
	lang_load($panelprefix);

	$smarty->assign('subject', $lang ['admin'] ['head']);
	$smarty->assign('menubar', admin_getpanels());

	add_filter('wp_title', 'admin_panel_title', 10, 2);
}

function admin_panel_title($title, $sep) {
	global $lang, $panel;

	$t = @$lang ['admin'] ['panels'] [$panel];
	$title = "$title $sep $t";
	return $title;
}

function showcontrolpanel($params, &$smarty) {
	$smarty->display(ABS_PATH . ADMIN_DIR . 'main.tpl');
}

// html header
function admin_title($title, $sep) {
	global $lang;
	return $title = "$title $sep {$lang['admin']['head']}";
}

add_filter('wp_title', 'admin_title', 10, 2);

// setup admin_header
function admin_header_default_action() {
	global $panel, $action;
	do_action("admin_{$panel}_{$action}_head");
}
add_filter('admin_head', 'admin_header_default_action');

$fp_config = config_load();
system_init();
main();
admin_panelstrings('admin.' . ADMIN_PANEL);
theme_init($smarty);
$smarty->register_function('controlpanel', 'showcontrolpanel');

$v = $lang ['admin'] [$panel] [$action];

$smarty->assign_by_ref('panelstrings', $v);
$smarty->assign_by_ref('plang', $v);

if (isset($_GET ['mod'])) {

	switch ($_GET ['mod']) {
		case 'inline':
			$smarty->display(ABS_PATH . ADMIN_DIR . 'admin-inline.tpl');
			break;
		case 'ajax':
			echo $smarty->get_template_vars('success');
	}
} else {
	$smarty->display('admin.tpl');
}

?>