<?php defined('SYSPATH') or die('No direct script access.');

/**
 * Template Controller
 *
 * @package Templates
 * @author  Sergei Gladkovskiy <smgladkovskiy@gmail.com>
 */
abstract class Controller_Template extends Kohana_Controller_Template {

	/**
	 * Page template
	 *
	 * @var string
	 */
	public $template = 'frontend/template/main';

	/**
	 * The need of authorization
	 *
	 * @var bool
	 */
	protected $_auth_required = FALSE;

	/**
	 * User container
	 *
	 * @var boolean
	 */
	protected $_user = FALSE;

	public function __construct(Request $request, Response $response)
	{
		// Ajax-like request setting if HMVC call or POST request with param `is_ajax` == `true`
		if ($request->is_ajax() OR $request !== Request::initial()
		    OR ($request->method() === HTTP_Request::POST AND $request->post('is_ajax') === 'true'))
		{
			$request->requested_with('xmlhttprequest');
		}

		parent::__construct($request, $response);
	}

    public function before()
	{
		// Setting lang from URL
		if($this->request->param('lang'))
			I18n::$lang = $this->request->param('lang');

		parent::before();

		// Auth require check and setting $this->_user
		if ($this->_auth_required AND ! Auth::instance()->logged_in())
		{
			Session::instance()->set('url', $_SERVER['REQUEST_URI']);
			$this->request->redirect('auth/login');
		}
		elseif(($this->_auth_required AND Auth::instance()->logged_in()) OR Auth::instance()->logged_in())
		{
			$this->_user = Auth::instance()->get_user();
			View::set_global('_user', $this->_user);
		}

		if(Auth::instance()->logged_in())
		{
			$this->_user = Auth::instance()->get_user();
			View::set_global('_user', $this->_user);
		}

		if ($this->auto_render)
		{
			// default template variables  initialization
			$this->template->title    = ''; // page title
			$this->template->content  = ''; // page content
		}
	}

	public function after()
	{
		// Using template content on Ajax-like requests
		if ($request->is_ajax() === TRUE)
		{
			$this->response->body($this->template->content);
		}
		else
		{
			parent::after();
		}
	}

} // End Controller_Template