<?php
/*=====================================================================*\
|| ###################################################################
|| # Bugdar
|| # Copyright (c)2002-2013 Blue Static
|| #
|| # This program is free software; you can redistribute it and/or modify
|| # it under the terms of the GNU General Public License as published by
|| # the Free Software Foundation; version 2 of the License.
|| #
|| # This program is distributed in the hope that it will be useful, but
|| # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|| # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|| # more details.
|| #
|| # You should have received a copy of the GNU General Public License along
|| # with this program; if not, write to the Free Software Foundation, Inc.,
|| # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|| ###################################################################
\*=====================================================================*/

namespace bugdar\admin;

use \bugdar;
use \hoplite\http;
use \hoplite\views;

chdir('../');
require_once './includes/init.php';

require_once HOPLITE_ROOT . '/http/output_filter.php';
require_once HOPLITE_ROOT . '/http/response_code.php';
require_once HOPLITE_ROOT . '/http/root_controller.php';
require_once HOPLITE_ROOT . '/http/url_map.php';
require_once HOPLITE_ROOT . '/views/pdo_cache_backend.php';
require_once HOPLITE_ROOT . '/views/template_loader.php';

require_once BUGDAR_ROOT . '/admin/login.php';

class FrontController implements http\RootControllerDelegate
{
	/** @var \hoplite\http\RootController */
	private $controller = NULL;

	public function __construct(http\RootController $controller)
	{
		$this->controller = $controller;

		$url_map = new http\UrlMap($controller);
		$url_map->set_file_loader(function($name, $value) {
			require_once BUGDAR_ROOT . '/admin/' . $value;
			return 'bugdar\\admin\\' . $name . 'Action';
		});
		$controller->set_url_map($url_map);

		$url_map->set_map(array(
			'' => 'home',
			'fields/{action}' => 'fields',
			'settings' => 'settings',
		));

		$output_filter = new http\OutputFilter($controller);
		$controller->set_output_filter($output_filter);

		$tpl_loader = views\TemplateLoader::GetInstance();
		$tpl_loader->set_template_path(BUGDAR_ROOT . '/admin/templates/%s.tpl');
		$tpl_loader->set_cache_backend(new views\PDOCacheBackend(
			Bugdar::$db,  // PDO object.
			TABLE_PREFIX . 'template',  // Database table.
			'filename',  // Name column.
			'template',  // Data column.
			'timestamp'  // Modified time column.
		));
	}

	public function LoginPage()
	{
		$this->controller->InvokeAction(new LoginAction($this->controller));
	}

	// RootControllerDelegate:

	public function OnInitialRequest(http\Request $request, http\Response $response)
	{
		$response->data['language'] = fetch_user_language();
	}

	public function WillRouteRequest(http\Request $request, http\Response $response)
	{
		// TODO(port): Write a new cookie function.
		global $funct;

		$cookie = COOKIE_PREFIX . 'adminsession';

		if (can_perform('canadminpanel')) {
			$stmt = bugdar::$db->Prepare("SELECT * FROM ". TABLE_PREFIX . "adminsession WHERE sessionid = ?");
			$stmt->Execute([ filter_input(INPUT_COOKIE, $cookie, FILTER_SANITIZE_STRING) ]);
			$session = $stmt->FetchObject();

			if ($session && $session->userid == bugdar::$user['userid'] && $session->dateline >= TIMENOW - 3600) {
				// Renew the cookie.
				$funct->cookie($cookie, $session->sessionid, false);
				return;
			}
		}

		$funct->cookie($cookie, NULL);
		$this->LoginPage();
	}

	public function WillInvokeAction(http\Action $action, http\Request $request, http\Response $response)
	{
		$templates = array('admin_header', 'admin_footer');
		if ($action instanceof TemplatePreCaching)
			$templates = array_merge($templates, $action->TemplateSet());
		views\TemplateLoader::GetInstance()->PreCache($templates);
	}

	public function DidInvokeAction(http\Action $action, http\Request $request, http\Response $response) {}

	public function WillStop(http\Request $request, http\Response $response) {}
}

// Actions can implement this interface to have their required templates loaded
// with the common templates.
interface TemplatePreCaching
{
	// Return an array of template names to cache.
	public function TemplateSet();
}

error_reporting(E_ALL);

$controller = new http\RootController($GLOBALS);
$delegate = new FrontController($controller);
$controller->set_delegate($delegate);
$controller->Run();