<?php
class core
{
    public static $settings = '';
    /*  ----------------------------------------------------------------------
        08.12.2022
        Наполняем базу городов, регионов и стран
    ----------------------------------------------------------------------  */
    static function get_geo_api($ip)
    {
        $ch = curl_init('http://ip-api.com/json/' . $ip . '?lang=ru');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_HEADER, false);
        $res = curl_exec($ch);
        curl_close($ch);
        $res = json_decode($res, true);
        return $res;
    }
    static function geo()
    {
        $res = self::get_geo_api($_SERVER['REMOTE_ADDR']);
        $strana_id = \DB::getValue('SELECT `id` FROM `strana` WHERE `txt` = "' . $res['country'] . '"');
        if (!$strana_id && $res['country'])
            $strana_id = \DB::add("INSERT INTO `strana` (`txt`) VALUES (?)", array($res['country']));
        $region_id = \DB::getValue('SELECT `id` FROM `region` WHERE `txt` = "' . $res['regionName'] . '" AND `strana_id` = ' . $strana_id);
        if (!$region_id && $res['regionName'])
            $region_id = \DB::add("INSERT INTO `region` (`txt`, `strana_id`) VALUES (?, ?)", array($res['regionName'], $strana_id));
        $city_id = \DB::getValue('SELECT `id` FROM `city` WHERE `txt` = "' . $res['city'] . '" AND `strana_id` = ' . $strana_id . ' AND `region_id`=' . $region_id);
        if (!$city_id && $res['city']) {
            $city_id = \DB::add("INSERT INTO `city` (`txt`, `strana_id`, `region_id`) VALUES (?, ?, ?)", array($res['city'], $strana_id, $region_id));
            $_SESSION['city'] = $city_id;
        }
    }
    /*  ----------------------------------------------------------------------
        08.12.2022
        Берем настройки модуля/сайта
    ----------------------------------------------------------------------  */
    static function getSettings($set, $mod = 'global')
    {
        //echo 'SELECT `json` FROM `settings` WHERE `mod` = "' . $mod . '" LIMIT 1';
        $txt = \DB::getValue('SELECT `json` FROM `settings` WHERE `mod` = "' . $mod . '" LIMIT 1');
        $massiv = \json::from_j($txt);
        return $massiv[$set];
    }

    /*  ----------------------------------------------------------------------
        02.04.2023
        Все настройки модуля
    ----------------------------------------------------------------------  */
    static function setSettingsMod($mod = 'global')
    {
        $json = \DB::getValue("SELECT `json` FROM `settings` WHERE `mod`=?", $mod);
        //    echo $json;
        return \json::from_j($json);
    }
    /*  ----------------------------------------------------------------------
        08.12.2022
        Авторизация по куки
    ----------------------------------------------------------------------  */
    static function loginCookies()
    {
        if (@$_COOKIE['cookies'] && !@$_SESSION['user_id']) {
            $res = \json::from_j(base64_decode($_COOKIE['cookies']));
            $users = \DB::getAll('SELECT `dostup`, `act` FROM `users` WHERE `id` = "' . $res['user_id'] . '" AND `pwd`="' . $res['pwd'] . '" LIMIT 1');
            if ($users[0]['dostup']) {
                $_SESSION['user_id'] = $res['user_id'];
                $_SESSION['dostup'] = $users[0]['dostup'];
            }
        }
    }


    /*  ----------------------------------------------------------------------
        09.12.2022
        Получаем данные корзины
        Выводим массив, в массиве cart - все содержимое корзины, в summ - итог корзины
    ----------------------------------------------------------------------  */
    static function getCart()
    {
        $session_id = (@$_SESSION['user_id']) ? @$_SESSION['user_id'] : session_id();
        $cart = \DB::getAll("SELECT * FROM `cart` WHERE `user_id`=? AND `order` IS NULL", $session_id);
        $summ = 0;
        //Получаем название товаров и цены
        for ($i = 0; $i < count($cart); $i++) {
            $t = \DB::getRow("SELECT `title`, `cena` FROM `tovar` WHERE `id`=? LIMIT 1", $cart[$i]['tovar_id']);
            //$cart[$i]['title'] = \DB::getValue( "SELECT `title` FROM `tovar` WHERE `id`=? LIMIT 1", $cart[$i]['tovar_id'] );
            $cart[$i]['title'] = $t['title'];
            $cart[$i]['cena'] = $t['cena'];
            $cart[$i]['img'] = \DB::getValue("SELECT `filename` FROM `tovar_img` WHERE `tovar_id`=? LIMIT 1", $cart[$i]['tovar_id']);
            //$cart[$i]['cena'] = \DB::getValue( "SELECT `cena` FROM `tovar_price_history` WHERE `tovar_id`=? ORDER BY `t` DESC LIMIT 1", $cart[$i]['tovar_id'] );
            $cart[$i]['st'] = $cart[$i]['kolvo'] * $cart[$i]['cena'];
            $summ = $summ + $cart[$i]['st'];
        }
        $result['cart'] = $cart;
        $result['summ'] = $summ;
        return $result;
    }

    /*  ----------------------------------------------------------------------
        20.12.2022
        Получаем данные об основной организации пользователя
    ----------------------------------------------------------------------  */
    static function getUserMainOrg($user_id)
    {

    }
    /*  ----------------------------------------------------------------------
        09.12.2022
        IP
    ----------------------------------------------------------------------  */
    static function detect_ip()
    {
        $ip = false;
        if (isset($_SERVER["HTTP_X_FORWARDED_FOR"]) and preg_match("#^[0-9.]+$#", $_SERVER["HTTP_X_FORWARDED_FOR"])) {
            $ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
        } else if (isset($_SERVER["HTTP_X_REAL_IP"]) and preg_match("#^[0-9.]+$#", $_SERVER["HTTP_X_REAL_IP"])) {
            $ip = $_SERVER["HTTP_X_REAL_IP"];
        } else if (preg_match("#^[0-9.]+$#", $_SERVER["REMOTE_ADDR"])) {
            $ip = $_SERVER["REMOTE_ADDR"];
        }
        return $ip;
    }

    /*  ----------------------------------------------------------------------
        09.12.2022
        Авторизация
    ----------------------------------------------------------------------  */
    private static function redirectAfterLogin($dostup)
    {
        if ($dostup == 'a' || $dostup == 'm')
            header('Location: /admin/');
        if ($dostup == 'u')
            header('Location: /' . self::getSettings('default_mod_auth') . '/');
    }
    static function login()
    {
        $user = \DB::getAll('SELECT `id`, `dostup` FROM `users` WHERE `email` = ? AND `pwd`=? LIMIT 1', array($_POST['email'], md5($_POST['pwd'])));
        if ($user[0]['dostup']) {
            $_SESSION['dostup'] = $user[0]['dostup'];
            $_SESSION['user_id'] = $user[0]['id'];
        }
        if ($_POST['remember'] == 'on' && $user[0]['dostup']) {
            $_SESSION['pwd'] = md5($_POST['pwd']);
            $cookies = base64_encode(\json::to_j($_SESSION));
            $tri_mes = time() + 31536000;
            setcookie('cookies', $cookies, $tri_mes, '/', $_SERVER['SERVER_NAME']);
        }
        self::redirectAfterLogin($user[0]['dostup']);
    }
    /*  ----------------------------------------------------------------------
        12.12.2022
        Получаем данные о пользователе
    ----------------------------------------------------------------------  */
    static function getUserInfo($id)
    {
        //echo 'SELECT * FROM `users` WHERE `id` = ' . $id . ' LIMIT 1';
        $user = \DB::getAll('SELECT `fio` FROM `users` WHERE `id` = ? LIMIT 1', $id);
        return $user;
    }
    /*  ----------------------------------------------------------------------
        13.12.2022
        Шифровальщик
    ----------------------------------------------------------------------  */
    /*static function crypt ( $String, $act='crypt', $pwd ) {
        if ($act=='crypt')$String=base64_encode($String);
        $Salt='BGuxLWQtKweKEMV4';
        $StrLen = strlen($String);
        $Seq = $Password;
        $Gamma = '';
        while (strlen($Gamma)<$StrLen){
            $Seq = pack("H*",sha1($Gamma.$Seq.$Salt));
            $Gamma.=substr($Seq,0,8);
        }
        $result = $String^$Gamma;
        if ($act=='decrypt')$String=base64_decode($String);
        return $result;
    }*/

    /*  ----------------------------------------------------------------------
        15.12.2022
        Генератор паролей
    ----------------------------------------------------------------------  */
    static function genpassword($number = 10)
    {
        $arr = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'r', 's', 't', 'u', 'v', 'x', 'y', 'z', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0');
        $pass = "";
        for ($i = 0; $i < $number; $i++) {
            $index = rand(0, count($arr) - 1);
            $pass .= $arr[$index];
        }
        return $pass;
    }

    /*  ----------------------------------------------------------------------
        28.12.2022
        Получаем мета-теги - для модулей не имеющих свои теги (используется в /main)
    ----------------------------------------------------------------------  */
    static function getMeta($mod, $id = 0)
    {
        $massiv = \DB::getAll('SELECT * FROM `meta` WHERE `id` = ? AND `mod`=? LIMIT 1', array($id, $mod));
        if (count($massiv) == 0)
            \DB::add("INSERT INTO `meta` (`id`, `mod`) VALUES (?, ?)", array($id, $mod));
        $res = $massiv[0];
        return $res;
    }

    /*  ----------------------------------------------------------------------
        03.01.2023
        Хлебные крошки
    ----------------------------------------------------------------------  */
    static function getBreadcrumb($table, $category)
    {
        $p = $category;
        $i = 0;
        while ($p != 0) {
            $massiv = \DB::getAll("SELECT `id`, `title`, `category` FROM `" . $table . "` WHERE `id`=? LIMIT 1", $p);
            $res[$i]['id'] = $massiv[0]['id'];
            $res[$i]['title'] = $massiv[0]['title'];
            $i++;
            $p = $massiv[0]['category'];
        }

        if (@$res)
            return array_reverse($res);

    }

    /*  ----------------------------------------------------------------------
        02.02.2023
        Архиватор и разорхиватор
    ----------------------------------------------------------------------  */
    static function zip($txt)
    {
        return base64_encode(gzcompress($txt, 9));
    }
    static function unzip($txt)
    {
        return gzuncompress(base64_decode($txt));
    }
    /*  ----------------------------------------------------------------------
        27.02.2023
        Проверяем ид или ид сессии пользователя (для Интернет-магазина)
    ----------------------------------------------------------------------  */
    static function checkMe()
    {
        return ($_SESSION['user_id']) ? $_SESSION['user_id'] : session_id();
    }
    /*  ----------------------------------------------------------------------
        07.02.2023
        Добавляем в корзину
    ----------------------------------------------------------------------  */
    static function addToCart($tovar_id, $kolvo = 1)
    {
        $user_id = self::checkMe();
        //        $session_id = \core::checkMe();
        //Получаем количество, если есть...
        $kolvo = \DB::getValue("SELECT `kolvo` FROM `cart` WHERE `user_id`=? AND `tovar_id`=?", array($user_id, $_POST['pages_id']));
        if ($kolvo) {
            $kolvo = $kolvo + $_POST['kolvo'];
            \DB::set("UPDATE `cart` SET `kolvo`=? WHERE `user_id`=? AND `tovar_id`=?", array($kolvo, $user_id, $_POST['pages_id']));
        } else
            $insert_id = \DB::add("INSERT INTO `cart` (`t`, `tovar_id`, `user_id`, `kolvo`) VALUES(?, ?, ?, ?)", array(time(), $_POST['pages_id'], $user_id, $_POST['kolvo']));
        //Суммируем содержимое корзины и выводим в js
        $summ = 0;
        $cart = \DB::getAll("SELECT `tovar_id`, `kolvo` FROM `cart` WHERE `user_id`=?", $user_id);
        for ($i = 0; $i < count($cart); $i++) {
            $cena = \DB::getValue("SELECT `cena` FROM `tovar_price_history` WHERE `tovar_id`=? AND `status`=1", $cart[$i]['tovar_id']);
            $m = $cena * $cart[$i]['kolvo'];
            $summ = $summ + $m;
        }
        return $summ;
    }


    /*  ----------------------------------------------------------------------
        07.03.2023
        Делаем превьюшку
    ----------------------------------------------------------------------  */
    static function imgPreview($src, $dst, $w = 800, $h = 600)
    {
        $tmp = self::genpassword(10);
        exec("convert -define jpeg:size=640x480 " . $src . " -thumbnail '800x600>' -background white -gravity center -extent 800x600 " . $dst);
    }

    /*  ----------------------------------------------------------------------
        17.03.2023
        Получаем получаем последню цену
    ----------------------------------------------------------------------  */
    static function GetLostPrice($tovar_id)
    {
        return \DB::getValue("SELECT `cena` FROM `tovar_price_history` WHERE `tovar_id`=? AND `status`=1 ORDER BY `t` DESC LIMIT 1", $tovar_id);
    }


    /*  ----------------------------------------------------------------------
       06.07.2023
       Поиск текста по строке
   ----------------------------------------------------------------------  */
    static function findtxt($txt, $find)
    {

        $r = (stripos($txt, $find) === false) ? 0 : 1;
        /*
            $pos1 = stripos($txt, $find);
            if ($pos1 === false) return 0;
            else
            return 1;*/
        return $r;
    }

    /*  ----------------------------------------------------------------------
        08.07.2023
        Уникализирует массив, документация:
        https://snipp.ru/php/array-unique-multi
    ----------------------------------------------------------------------  */
    static function array_unique_key($array, $key)
    {
        $tmp = $key_array = array();
        $i = 0;
        foreach ($array as $val) {
            if (!in_array($val[$key], $key_array)) {
                $key_array[$i] = $val[$key];
                $tmp[$i] = $val;
            }
            $i++;
        }
        return $tmp;
    }

    /*  ----------------------------------------------------------------------
          26.08.2023
          Загружаем фотки в таблицу img
      ----------------------------------------------------------------------  */

    static function upload_img($content_type, $content_id, $clear = 0)
    {
        @mkdir('img/' . $_SERVER['SERVER_NAME'] . '/' . $content_type, 0700);
        @mkdir('img/' . $_SERVER['SERVER_NAME'] . '/' . $content_type . '/' . $content_id, 0700);


        if ($_FILES['file']['tmp_name']) {
            if (preg_match('/[.](jpg)|(jpeg)|(JPG)|(JPEG)$/', $_FILES['file']['name'])) {
                $img_name = self::genpassword(30);
                $source = $_FILES['file']['tmp_name'];
                $target_original = 'img/' . $_SERVER['SERVER_NAME'] . '/' . $content_type . '/' . $content_id . '/' . $img_name . '.jpg';
                copy($source, $target_original);
                \DB::add("INSERT INTO `img` (`filename`, `content_type`,  `content_id`) VALUES (?, ?, ?)", array($img_name, $content_type, $content_id));
                if ($clear == 1) {
                    //удаляем мусор
                    $hlam = \DB::getAll("SELECT * FROM `img` WHERE `content_type`=? AND `content_id`=? AND `filename`<>?", array($content_type, $content_id, $img_name));
                    for ($i = 0; $i < count($hlam); $i++)
                        unlink('img/' . $_SERVER['SERVER_NAME'] . '/' . $content_type .'/' . $content_id . '/' . $hlam[$i]['filename'] . '.jpg');
                    \DB::set("DELETE FROM `img` WHERE `content_type`=? AND `content_id`=? AND `filename`<>?", array($content_type, $content_id, $img_name));
                }
                $res['img'] = $img_name;
                echo \json::to_j($res);
            }
        }

    }


}


?>