<?php

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 * Description of Cookies
 *
 * @author fabi0
 */

namespace Models;

final class Cookies {

    const Session = null;
    const OneDay = 86400;
    const SevenDays = 604800;
    const ThirtyDays = 2592000;
    const SixMonths = 15811200;
    const OneYear = 31536000;
    const Lifetime = -1;

    public function __construct() {

    }

    /**
     * Returns true if there is a cookie with this name.
     *
     * @param string $name
     * @return bool
     */
    public function exists($name) {
        return isset($_COOKIE[$name]);
    }

    /**
     * Returns true if there no cookie with this name or it's empty, or 0,
     * or a few other things. Check http://php.net/empty for a full list.
     *
     * @param string $name
     * @return bool
     */
    public function isEmpty($name) {
        return empty($_COOKIE[$name]);
    }

    /**
     * Get the value of the given cookie. If the cookie does not exist the value
     * of $default will be returned.
     *
     * @param string $name
     * @param string $default
     * @return mixed
     */
    public function get($name, $default = '') {
        return (isset($_COOKIE[$name]) ? $_COOKIE[$name] : $default);
    }

    /**
     * Set a cookie. Silently does nothing if headers have already been sent.
     *
     * @param string $name
     * @param string $value
     * @param mixed $expiry
     * @param string $path
     * @param string $domain
     * @return bool
     */
    public function set($name, $value, $expiry = self::OneYear, $path = '/', $domain = "", $secure = false, $httpOnly = true) {
        $retval = false;
        if (!headers_sent()) {
            if ($domain === false) {
                $domain = $_SERVER['HTTP_HOST'];
            }

            if ($expiry === -1) {
                $expiry = 1893456000;
            } elseif (is_numeric($expiry)) {
                $expiry += time();
            } else {
                $expiry = strtotime($expiry);
            }

            $retval = setcookie($name, $value, $expiry, $path, $domain, $secure, $httpOnly);

            if ($retval) {
                $_COOKIE[$name] = $value;
            }
        }
        return $retval;
    }

    /**
     * Delete a cookie.
     *
     * @param string $name
     * @param string $path
     * @param string $domain
     * @param bool $remove_from_global Set to true to remove this cookie from this request.
     * @return bool
     */
    public function delete($name, $path = '/', $domain = false, $remove_from_global = false) {
        $retval = false;
        if (!headers_sent()) {
            if ($domain === false) {
                $domain = $_SERVER['HTTP_HOST'];
            }
            $retval = setcookie($name, '', time() - 3600, $path, $domain);

            if ($remove_from_global) {
                unset($_COOKIE[$name]);
            }
        }
        return $retval;
    }

}