<?php

require_once 'inc/resource.php';
require_once 'inc/http.php';
require_once 'resources/403.php';
require_once 'resources/404.php';

class Site extends Resource
{
    private $page;
    private $req;
    private $root;
    private $_headers;
    private $_status;
    
    public function __construct($root)
    {
        $this->root = $root;
    }
    
    public function getUser()
    {
        return $this->req->user;
    }
    
    private function getPage()
    {
        if(!$this->page)
        {
            $user = $this->getUser();
            if(!$user)
            {
                $this->page = new Forbidden();
            }
            else
            {
                $page = $this->root;
                
                if($this->req->path)
                {
                    $segments = explode('/', $this->req->path);
                    foreach($segments as $segment)
                    {
                        $page = $page->child($segment);
                    }
                    
                    if($page->addSlash && $segments[count($segments)-1] != '')
                    {
                        return new Redirector($segments[count($segments)-1] . '/', 301);
                    }
                }
                
                $this->page = $page;
            }
        }
        
        return $this->page;
    }
    
    public function render($req)
    {
        $this->req = $req;
        
        $response = parent::render($req);
        $response->status = $this->_status;
        $response->headers = $this->_headers;
        
        $this->req = null;
        $this->page = null;
        $this->_status = null;
        $this->_headers = null;
        
        return $response;
    }
    
    public function title($req)
    {
        $title = "FlaxServ";
        $subtitle = $this->getPage()->title($req);
        
        if($subtitle)
        {
            $title = sprintf("%s &raquo; %s", $title, $subtitle);
        }
        
        return $title;
    }
    
    public function pageTitle()
    {
        return $this->title($this->req);
    }
    
    public function content()
    {
        $pageResponse = $this->getPage()->render($this->req);
        $this->_status = $pageResponse->status;
        $this->_headers = $pageResponse->headers;
        
        return $pageResponse->data;
    }
}