<?php

function view($tmpl, $data = [])
{
    $view = \utils\View::getInstance();
    $view->assign($data);
    $view->fetch($tmpl);
}

function input($key, $default = null){
    return $_POST[$key] ?? $_GET[$key] ?? $default;
}

/*生成唯一标志
*标准的UUID格式为：xxxxxxxx-xxxx-xxxx-xxxxxx-xxxxxxxxxx(8-4-4-4-12)
*/

function uuid($num = 1, $dx = 2)
{
    $array = array();
    for ($i = 0; $num > $i; $i++) {
        $chars = md5(uniqid(mt_rand(), true));
        $uuid = substr($chars, 0, 8) . '-'
            . substr($chars, 8, 4) . '-'
            . substr($chars, 12, 4) . '-'
            . substr($chars, 16, 4) . '-'
            . substr($chars, 20, 12);
        if (!in_array($uuid, $array)) {
            $array[] = ($dx == 1) ? strtoupper($uuid) : strtolower($uuid);
        } else {
            $i--;
        }
    }
    return $array;
}

/**
 * 生成GUID
 */
function create_guid()
{
    if (function_exists('com_create_guid') === true) {
        return trim(com_create_guid(), '{}');
    }
    return sprintf('%04X%04X-%04X-%04X-%04X-%04X%04X%04X', mt_rand(0, 65535), mt_rand(0, 65535), mt_rand(0, 65535), mt_rand(16384, 20479), mt_rand(32768, 49151), mt_rand(0, 65535), mt_rand(0, 65535), mt_rand(0, 65535));
}

function Fcurl($url, $ifpost = 0, $datafields = '', $cookiefile = '', $v = false)
{
    $ip_long = array(
        array('607649792', '608174079'), //36.56.0.0-36.63.255.255
        array('1038614528', '1039007743'), //61.232.0.0-61.237.255.255
        array('1783627776', '1784676351'), //106.80.0.0-106.95.255.255
        array('2035023872', '2035154943'), //121.76.0.0-121.77.255.255
        array('2078801920', '2079064063'), //123.232.0.0-123.235.255.255
        array('-1950089216', '-1948778497'), //139.196.0.0-139.215.255.255
        array('-1425539072', '-1425014785'), //171.8.0.0-171.15.255.255
        array('-1236271104', '-1235419137'), //182.80.0.0-182.92.255.255
        array('-770113536', '-768606209'), //210.25.0.0-210.47.255.255
        array('-569376768', '-564133889'), //222.16.0.0-222.95.255.255
    );
    $rand_key = mt_rand(0, 9);
    $ip = long2ip(mt_rand($ip_long[$rand_key][0], $ip_long[$rand_key][1]));
    $header = array(
        "Connection: Keep-Alive",
        "Accept: text/html, application/xhtml+xml, */*",
        "Pragma: no-cache",
        "Accept-Language: zh-Hans-CN,zh-Hans;q=0.8,en-US;q=0.5,en;q=0.3",
        "User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0)",
        'CLIENT-IP:' . $ip,
        'X-FORWARDED-FOR:' . $ip,
        'REMOTE_ADDR:' . $ip
    );
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_HEADER, $v);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    $ifpost && curl_setopt($ch, CURLOPT_POST, $ifpost);
    $ifpost && curl_setopt($ch, CURLOPT_POSTFIELDS, $datafields);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    $cookiefile && curl_setopt($ch, CURLOPT_COOKIE, $cookiefile);
    curl_setopt($ch, CURLOPT_TIMEOUT, 30); //允许执行的最长秒数
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($ch, CURLOPT_REFERER, $url);
    $ok = curl_exec($ch);
    curl_close($ch);
    unset($ch);
    $ok = strToUTF8($ok);
    return $ok;
}

function strToUTF8($strText)
{
    $encode = mb_detect_encoding($strText, array('UTF-8', 'GB2312', 'GBK'));
    if ($encode != "UTF-8") {
        return @iconv($encode, 'UTF-8', $strText);
    } else {
        return $strText;
    }
}

function getip($type = 0,$adv=false) {
    $type       =  $type ? 1 : 0;
    static $ip  =   NULL;
    if ($ip !== NULL) return $ip[$type];
    if($adv){
        if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
            $arr    =   explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
            $pos    =   array_search('unknown',$arr);
            if(false !== $pos) unset($arr[$pos]);
            $ip     =   trim($arr[0]);
        }elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
            $ip     =   $_SERVER['HTTP_CLIENT_IP'];
        }elseif (isset($_SERVER['REMOTE_ADDR'])) {
            $ip     =   $_SERVER['REMOTE_ADDR'];
        }
    }elseif (isset($_SERVER['REMOTE_ADDR'])) {
        $ip     =   $_SERVER['REMOTE_ADDR'];
    }
// IP地址合法验证
    $long = sprintf("%u",ip2long($ip));
    $ip   = $long ? array($ip, $long) : array('0.0.0.0', 0);
    return $ip[$type];
}

function getBrowserOs()
{
    $flag = $_SERVER['HTTP_USER_AGENT'];
    if (preg_match('/Windows[\d\. \w]*/', $flag, $match)) {
        $sys = $match[0];
    } else {
        $sys = 'Unknown';
    }
    // 检查操作系统
    if (preg_match('/Chrome\/[\d\.\w]*/', $flag, $match)) {
        // 检查Chrome
        $browser = $match[0];
    } elseif (preg_match('/Safari\/[\d\.\w]*/', $flag, $match)) {
        // 检查Safari
        $browser = $match[0];
    } elseif (preg_match('/MSIE [\d\.\w]*/', $flag, $match)) {
        // IE
        $browser = $match[0];
    } elseif (preg_match('/Opera\/[\d\.\w]*/', $flag, $match)) {
        // opera
        $browser = $match[0];
    } elseif (preg_match('/Firefox\/[\d\.\w]*/', $flag, $match)) {
        // Firefox
        $browser = $match[0];
    } elseif (preg_match('/OmniWeb\/(v*)([^\s|;]+)/i', $flag, $match)) {
        //OmniWeb
        $browser = $match[2];
    } elseif (preg_match('/Netscape([\d]*)\/([^\s]+)/i', $flag, $match)) {
        //Netscape
        $browser = $match[2];
    } elseif (preg_match('/Lynx\/([^\s]+)/i', $flag, $match)) {
        //Lynx
        $browser = $match[1];
    } elseif (preg_match('/360SE/i', $flag, $match)) {
        //360SE
        $browser = '360安全浏览器';
    } elseif (preg_match('/SE 2.x/i', $flag, $match)) {
        //搜狗
        $browser = '搜狗浏览器';
    } else {
        $browser = 'unkown';
    }
    return [$sys, $browser];
}

function is_url($url)
{
    if (filter_var($url, FILTER_VALIDATE_URL) !== false) {
        return true;
    } else {
        return false;
    }
}

function urlheader($url)
{
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($curl, CURLOPT_HEADER, 1);  //输出header信息
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);  //不显示网页内容
    curl_setopt($curl, CURLOPT_ENCODING, ''); //允许执行gzip
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($curl, CURLOPT_REFERER, $url);
    curl_setopt($curl, CURLOPT_TIMEOUT, 8);
    $data = curl_exec($curl);
    $pHeader = array();
    if (!curl_errno($curl)) {
        $info = curl_getinfo($curl);
        $httpHeaderSize = $info['header_size'];  //header字符串体积
        $Header = substr($data, 0, $httpHeaderSize); //获得header字符串
        preg_match_all("/([A-Za-z_\-]*?): (.*?)\r/iU", $Header, $pat_array);
        $headers = array();
        foreach ($pat_array['1'] as $key => $vo) {
            $headers[$vo] = $pat_array['2'][$key];
        }
        $pHeader['head'] = $headers;
        $data = substr($data, $httpHeaderSize);
        $ysize = strlen($data);
        $pHeader['jc'] = array(
            'ystype' => isset($headers['Content-Encoding']) ? $headers['Content-Encoding'] : '-',
            'ysize' => $ysize,
            'yssize' => $info['size_download'],
            'ysl' => @round((100 - ($info['size_download'] / $ysize * 100)), 3),
        );
    }
    curl_close($curl);
    return $pHeader;
}

function htmlTotext($str)
{
    $str = str_replace(array("\n", "\r", "\t", ' ', '&nbsp;'), '', $str);
    $str = preg_replace("/<style.*?>.*?<\/style.*?>/is", "", $str);
    $str = preg_replace("/<script.*?>.*?<\/script.*?>/is", "", $str);
    $str = strip_tags($str);
    return $str;
}

function webstatus($url)
{
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($curl, CURLOPT_HEADER, 1);  //输出header信息
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);  //不显示网页内容
    curl_setopt($curl, CURLOPT_ENCODING, ''); //允许执行gzip
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($curl, CURLOPT_REFERER, $url);
    curl_setopt($curl, CURLOPT_TIMEOUT, 8);
    $data = curl_exec($curl);
    $Header = '';
    $code = '';
    $ip = '';
    if (!curl_errno($curl) && $data) {
        $info = curl_getinfo($curl);
        $httpHeaderSize = $info['header_size'];  //header字符串体积
        $Header = substr($data, 0, $httpHeaderSize); //获得header字符串
        $code = $info['http_code'];
        $ip = $info['primary_ip'];
    }
    curl_close($curl);
    return array(
        'head' => str_replace(array("\r", "\n"), array("<br/>", ""), $Header),
        'code' => $code,
        'ip' => $ip
    );
}

# 域名whois查询
function whois_query($domain)
{
    // fix the domain name:
    $domain = strtolower(trim($domain));
    $domain = preg_replace('/^http:\/\//i', '', $domain);
    $domain = preg_replace('/^www\./i', '', $domain);
    $domain = explode('/', $domain);
    $domain = trim($domain[0]);
    // split the TLD from domain name
    $_domain = explode('.', $domain);
    $lst = count($_domain) - 1;
    $ext = $_domain[$lst];
    // You find resources and lists
    // like these on wikipedia:
    //
    // http://de.wikipedia.org/wiki/Whois
    //
    $servers = array(
        "biz" => "whois.neulevel.biz",
        "com" => "whois.internic.net",
        "us" => "whois.nic.us",
        "coop" => "whois.nic.coop",
        "info" => "whois.nic.info",
        "name" => "whois.nic.name",
        "net" => "whois.internic.net",
        "gov" => "whois.nic.gov",
        "edu" => "whois.internic.net",
        "mil" => "rs.internic.net",
        "int" => "whois.iana.org",
        "ac" => "whois.nic.ac",
        "ae" => "whois.uaenic.ae",
        "at" => "whois.ripe.net",
        "au" => "whois.aunic.net",
        "be" => "whois.dns.be",
        "bg" => "whois.ripe.net",
        "br" => "whois.registro.br",
        "bz" => "whois.belizenic.bz",
        "ca" => "whois.cira.ca",
        "cc" => "whois.nic.cc",
        "ch" => "whois.nic.ch",
        "cl" => "whois.nic.cl",
        "cn" => "whois.cnnic.net.cn",
        "cz" => "whois.nic.cz",
        "de" => "whois.nic.de",
        "fr" => "whois.nic.fr",
        "hu" => "whois.nic.hu",
        "ie" => "whois.domainregistry.ie",
        "il" => "whois.isoc.org.il",
        "in" => "whois.ncst.ernet.in",
        "ir" => "whois.nic.ir",
        "mc" => "whois.ripe.net",
        "to" => "whois.tonic.to",
        "tv" => "whois.tv",
        "ru" => "whois.ripn.net",
        "org" => "whois.pir.org",
        "aero" => "whois.information.aero",
        "nl" => "whois.domain-registry.nl"
    );
    if (!isset($servers[$ext])) {
        return 'Error: No matching nic server found!';
    }
    $nic_server = $servers[$ext];
    $output = '';
    // connect to whois server:
    if ($conn = fsockopen($nic_server, 43)) {
        fputs($conn, $domain . "\r\n");
        while (!feof($conn)) {
            $output .= fgets($conn, 128);
        }
        fclose($conn);
    } else {
        return 'Error: Could not connect to ' . $nic_server . '!';
    }
    return $output;
}

function urltitlecode($url)
{
    $url = htmlspecialchars_decode($url);
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);  //不显示网页内容
    curl_setopt($curl, CURLOPT_ENCODING, ''); //允许执行gzip
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($curl, CURLOPT_REFERER, $url);
    curl_setopt($curl, CURLOPT_TIMEOUT, 8);
    $data = curl_exec($curl);
    $code = '404';
    $title = '页面不见啦！';
    if (!curl_errno($curl)) {
        $data = strToUTF8($data);
        $info = curl_getinfo($curl);
        $data = htmlspecialchars_decode($data);
        preg_match("/.*<title>(.*?)<\/title>.*/is", $data, $match);
        $title = isset($match['1']) ? $match['1'] : ' - ';
        $code = $info['http_code'];
    }
    curl_close($curl);
    return array(
        'code' => $code,
        'title' => $title
    );
}

function json($data){
    header('Content-Type: application/json');
    echo json_encode($data, JSON_UNESCAPED_UNICODE);
    exit;
}

function page($array, $pagesize, $current)
{
    $_return = array();
    $count = Count($array);
    $total = ceil($count / $pagesize);//求总页数
    $current = ($current > ($total) ? ($total) : $current);//当前页如果大于总页数，当前页为最后一页
    $start = ($current - 1) * $pagesize;//分页显示时，应该从多少条信息开始读取
    $page = ($start + $pagesize);
    $page = $count < $page ? $count : $page;
    for ($i = $start; $i < $page; $i++) {
        if (isset($array[$i])) array_push($_return, $array[$i]);//将该显示的信息放入数组 $_return 中
    }
    return array(
        $_return,
        $total,
        $count
    );
}

function getWebConfig(){
    return require_once (BASE_PATH . "/config/web.php");
}