<?php

/**
 * Неверный запрос
 */
namespace ctiso;
use Exception,
    ArrayAccess,
    ctiso\Collection,
    ctiso\Session;

/**
 * @template T
 */
class HttpRequest extends Collection
{

    public $_session;
    /**
     * Constructor
     * Stores "request data" in GPC order.
     */
    public function __construct()
    {
        $list = [
            'data'   => $_REQUEST,
            'get'    => $_GET,
            'post'   => $_POST,
            'cookie' => $_COOKIE
        ];

        $ajax = $this->isAjax();
        foreach ($list as $key => $value) {
            $data = new Collection();
            $data->import($value);
            parent::set($key, $data);
        }

        $data = new Collection();
        $data->import($GLOBALS['_FILES']);
        parent::set('files', $data);
    }

    function _get($key)
    {
        return parent::get($key);
    }

    /**
     * @param T $key
     * @return mixed
     */
    function get($key, $default = null)
    {
        return parent::get('data')->get($key, $default);
    }

    function session(Session $value = null)
    {
        if ($value) {
            $this->_session = $value;
        }
        return $this->_session;
    }

    function set($key, $value/*: any*/)
    {
        parent::get('data')->set($key, $value);
    }

    function export($key = 'data')
    {
        return parent::get($key)->export();
    }

    function clear()
    {
        return parent::get('data')->clear();
    }

    /**
     * Allow access to data stored in GET, POST and COOKIE super globals.
     *
     * @param string $var
     * @param string $key
     * @return mixed
     */
    public function getRawData($var, $key)
    {
        $data = parent::get(strtolower($var));
        if ($data) {
            return $data->get($key);
        }
        return null;
    }

    public function setRawData($var, $key, $val)
    {
        $data = parent::get(strtolower($var));
        if ($data) {
            return $data->set($key, $val);
        }
    }

    public function setAction($name)
    {
        $this->setRawData('get', 'action', $name);
    }

    public function getAction()
    {
        $result = $this->getRawData('get', 'action');
        return ($result) ? $result : 'index';
    }

    public function isAjax()
    {
        return isset($_SERVER['HTTP_X_REQUESTED_WITH']) && ($_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest');
    }

    public function redirect($url) {
        header('location: ' . $url);
        exit();
    }

    static function getProtocol() {
        return (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
    }
}