<?php
namespace imcat;

// basKeyid类
class basKeyid{    
    
    /* *** 特殊字符表 **************************************************************
    《!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~》// All:32
    《"&<>》HTML
    《:/?=&#%》URL/COOKIE 
    《\/*?"<>|:》(WIN)FILE
    《'$[]{}》SQL,PHP,下标,变量
    《|:"';》session存数据库,特殊字符
    《!()+,-.;@^_`~》安全13个 
    《*+-./@_》7个js-escape安全escape
    《-._@》4个id安全字符:xie_ys@08-cms.com
    ***************************************************************************** */
    
    // *** 格式化N位
    static function fmt099($str,$len){
        $s = "";
        for($i=1;$i<=$len-strlen($str);$i++) { 
            $s = $s."0";
        }
        return $s.$str;
    }
    // *** 格式化xBase进制
    static function fmtBase32($kTab,$xNum,$xBase,$xLen=6,$xDir='Right'){
        $sKey = $kTab=='' ? KEY_TAB32 : $kTab; $s0 = "";
        if($xBase==0){$xBase=16;}
        $n = $xNum; $m0 = pow($xBase,$xLen);
        if($n>$m0) {
            if($xDir=="Right") {
                $m1 = substr($n,strlen($m0)-$xLen,$xLen);  
                if($m1>$m0){ $m1 = substr($m1,1,strlen($m1)-1); }
            }else{
                $m1 = substr($n,0,$xLen);   
                if($m1>$m0){ $m1 = substr($m1,0,strlen($m1)-1); }
            }
            $n = $m1;
        }
        for($i=$xLen-1; $i>=0; $i--) {
            if($i>0){
                $ni = intval($n/(pow($xBase,$i)));
            }else{
                $ni = $n;
            }
            $si = substr($sKey,$ni,1);
            $s0 = $s0.$si; 
            $n = $n % pow($xBase,$i);
        } 
        return $s0;
    }
    // *** Time时间相关
    static function getYYYYMMDD($xDate=''){
        if(strlen($xDate)>4) $str = date("Ymd",strtotime($xDate));
        else $str = date("Ymd"); 
        return $str;
    }
    // re : 31829.010991;
    static function getTimer(){
        $t1 = date("His"); //084830 --- time() 函数返回当前时间的 Unix 时间戳。
        $a1 = explode(' ', microtime());  //0.81250100 1283820399
        $n = substr($t1,0,2)*3600+substr($t1,2,2)*60+substr($t1,4,2);
        return $n+$a1[0]; //31874.515625
    }
    // re: 837;
    static function getMSec($type=0){
        if($type) return microtime()*1000; //562.519
        $s = microtime(); 
        return substr($s,2,3); //562
    }

    
    // *** 随机源table
    static function kidTable($Type='24'){
        $sSpe = '!"#$%&\'()*+,-./:;<=>?@[\]^_`{|}~'; //32个 
        $sSp1 = '!()+,-.;@^_`~'; // 安全13个 
        $sSp2 = '*+-./@_'; // 7个js-escape安全escape
        $sSp3 = '+-.@_'; // 5个绝对安全
        $sfula = KEY_NUM10.KEY_CHR26.strtoupper(KEY_CHR26);
        switch ($Type){ 
            case "0" : $sOrg = KEY_NUM10; break; 
            case "a" : $sOrg = KEY_CHR26; break;
            case "h" : $sOrg = KEY_NUM16; break; 
            case "H" : $sOrg = strtoupper(KEY_NUM16); break; 
            case "A" : $sOrg = strtoupper(KEY_CHR26); break; 
            case "k" : $sOrg = KEY_TAB32; break;
            case "30": $sOrg = KEY_TAB30; break;
            case "24": $sOrg = KEY_TAB24; break; 
            case "22": $sOrg = KEY_CHR22; break;
            case "s" : $sOrg = $sSpe; break; 
            case "1" : $sOrg = $sSp1; break; 
            case "2" : $sOrg = $sSp2; break; 
            case "3" : $sOrg = $sSp2; break; 
            case "f" : $sOrg = $sfula; break; 
            case "fs" : $sOrg = $sfula.$sSpe; break; 
            case "fs1" : $sOrg = $sfula.$sSp1; break; 
            case "fs2" : $sOrg = $sfula.$sSp2; break; 
            case "fs3" : $sOrg = $sfula.$sSp3; break; 
            default  : $sOrg = KEY_TAB24."abcdf"; break; 
        }
        return $sOrg;
    }
    // *** 打乱的table
    // *** obj : 打乱obj...
    static function kidRTable($Type='24',$re='rnd',$obj=''){
        $sOrg = $bOrg = self::kidTable($Type);
        if($re=='org') return $sOrg;
        $sOrg = str_shuffle($sOrg);
        $sLen = strlen($sOrg); 
        if(empty($obj)) return $sOrg;
        for($i=0;$i<$sLen;$i++){
            $ch1 = substr($sOrg, mt_rand(0,$sLen-1), 1);
            $ch2 = substr($bOrg, mt_rand(0,$sLen-1), 1);
            $obj = str_replace($ch1,$ch2,$obj);
        }
        return $obj;
    }
    // *** 随机码
    static function kidRand($Type='24',$Len=16){
        $sOrg = self::kidTable($Type);
        $sLen = strlen($sOrg); $str = '';
        if($Len<=0){
            for($i=0;$i<$sLen;$i++){
                $ch = substr($sOrg, mt_rand(0,$sLen-1), 1);
                $str .= $ch; 
                $sOrg = str_replace($ch,'',$sOrg);
                if($nLen==1){ $str .= $sOrg; break; }
            }
        }else{
            for($i=0;$i<$Len;$i++){
                $str .= substr($sOrg, mt_rand(0,$sLen-1), 1);
            }
        }
        return $str;
    }
    
    // *** 摸版ID
    // md2,md3,mdh,5.5,0
    static function kidTemp($xFmt='md2',$xTime=''){
        $ktab32 = str_replace('e','',KEY_TAB32).'z';
        $sTmp = strtolower($xFmt); 
        if(empty($xTime)){
            $sDate = date("Ymd");
            $sTime = date("His"); 
        }else{
            $xTime = is_numeric($xTime) ? $xTime : strtotime($xTime);
            $sDate = date("Ymd",$xTime);
            $sTime = date("His",$xTime);
        } 
        $y4 = date("Y",strtotime($sDate)); 
        $md2 = substr($ktab32,substr($sDate,4,2),1).substr($ktab32,substr($sDate,6,2),1); 
        $md3 = substr($ktab32,substr($sDate,4,2),1).substr($sDate,6,2); 
        $h   = substr($ktab32,substr($sTime,0,2),1); 
        $ms = 60 * substr($sTime,2,2) + substr($sTime,4,2);
        $s3 = substr(microtime(),2,3);
        $ms = self::fmtBase32('', intval($ms/4), 32, 2, '');
        $s3 = self::fmtBase32('', $s3, 32, 2, '');
        if(!$xFmt){ // 0
            return array($y4,$md2,$md3,$h,$ms,$s3);
        }elseif($xFmt=='md3'){ // md3
            return "$y4-$md3-$h$ms".substr($s3,0,1);
        }elseif($xFmt=='mdh'){ // mdh
            return "$y4-$md2$h-$ms".substr($s3,0,2);
        }elseif($xFmt=='5.5'){ // 5.5(18613-pdy05)
            return date('y')."$md3-$h$ms".substr($s3,0,2);             
        } // md2
        return "$y4-$md2-$h$ms".substr($s3,0,1);
    } 
    
    // 0bb38d5cbadd
    static function kidAuto($xN=24){
        $str = date("Ymd"); 
        $sy = substr($str,0,4);
        $sm = substr($str,4,2);
        $sd = substr($str,6,2);
        $YMD = self::fmtBase32('',$sy*380+$sm*31+$sd,"16",6,"");
        $HMS = self::fmtBase32('',intval(self::getTimer()*100),16,6,"");
        $str = $YMD.$HMS;
        $n = $xN - strlen($str);
        if($n>0) { $str .= self::kidRand("",$n); }
        if($n<0) { $str .= substr($str,0,$xN); }
        return $str;
    }
    
    // 1y1-xhc3w (2017-1229-...)
    static function kidY3x5(){
        $y3 = basKeyid::fmtBase32('',date('Y'),32,3);
        //$t5 = ((date('m')-1)*31+date('d'))*86400+date('H')*3600+date('i')*60+date('s');
        $t5 = strtotime(date('Y-m-d H:i:s')) - strtotime(date('Y').'-01-01');
        $x5 = basKeyid::fmtBase32('',$t5,32,5); 
        return "$y3-$x5";
    }

    static function kidNext($kTab,$xOld,$xMin,$xStep,$mLen=5){
        $ktabs = $kTab=='' ? KEY_TAB32 : $kTab; 
        $nLen = strlen($xMin);
        $t1 = KEY_NUM10; $s="";
        $tf = $ktabs==KEY_TAB24 ? 'Chr' : "Num"; $tn = $t1; $hf = 0; // (进位) 
        if(strlen($xOld)<$nLen){ return $xMin; }
        else {
            $OldID = substr($xOld,0,strlen($xMin));
            for($i=$nLen;$i>=1;$i--) { 
                $c = substr($OldID,$i-1,1); 
                if(($tf!='Num')||($c>'9')||($i==1)) { $tf="Chr"; } 
                if(strlen($xMin)<$mLen){ $tf="Chr"; }
                if($tf=="Chr") { $tn = $ktabs; }
                $n = strpos($tn,$c); // 位置 0~N-1 或为空strlen($n)=0
                if(strlen($n)>0){
                    $n = $n + $hf; 
                    if($i==$nLen) { $n = $n+$xStep; }
                    if($n>=strlen($tn)) {
                        $n = $n-strlen($tn);
                        $hf = 1;
                    }else{
                        $hf = 0;
                    }
                    $c = substr($tn,$n,1); 
                }else{ //ILOZ不在列表中则
                    $c = $c=='z' ? 'z' : chr(ord($c)+1); 
                }
                $s = $c.$s;
            } 
            if($xOld>$s) return $xOld;
            return $s;
        }
    }
    
    static function keepCheck($key, $chk=1, $fix=1, $grp=0, $len=3){
        $groups = glbConfig::read('groups');
        $keepids = glbConfig::read('keepid','sy');
        if(strlen($key)<$len){
            return basLang::show('core.kid_minlen', $len); //"请输入$len+个字符！";
        }
        if($chk && strpos($keepids,",$key,")){
            return basLang::show('core.kid_keeped', $key); 
        }
        if($fix && strpos($key,"_")){
            $fix = substr($key, 0, strpos($key,'_'));
            if(strstr($keepids,",$fix,")) return basLang::show('core.kid_preused', $key); 
        }
        if($grp && isset($groups[$key])){ 
            return basLang::show('core.kid_ismodel', $key); 
        }
        return '';
    }

}

