<?php
function genUid($id) {
  $lid=strlen($id);
  $l1=12-$lid;
  $l2=3;
  $characters = 'abcdefghijklmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ';
  $charactersLength = strlen($characters);

  $char2 = 'abcdefghijklmnpqrstuvwxyz';
  $lchar2 = strlen($char2);

  $rand1 = '';
  for ($i = 0; $i < $l1; $i++) {
      $rand1 .= $characters[rand(0, $charactersLength - 1)];
  }
  $rand2 = '';
  for ($i = 0; $i < $l2; $i++) {
      $rand2 .= $char2[rand(0, $lchar2 - 1)];
  }
  return $rand1.''.$id.''.$rand2;
}
function UploadImageData($POST,$img_data,$modul) {
    global $db,$ar;
    //echo "<pre>"; print_r($POST); echo "</pre>";
    //echo "<pre>"; print_r($FILES); echo "</pre>";
    if(isset($POST['title']) && ($POST['title']!='')) {
        $title=$POST['title'];
    } else {
        $title="";
    }
    if(isset($POST['caption']) && ($POST['caption']!='')) {
        $caption=$POST['caption'];
    } else {
        $caption="";
    }
    //get last id
    $sql2= "select id from `files` order by id desc limit 1";
    $res2=mysqli_query($db,$sql2);
    $r2=mysqli_fetch_assoc($res2);

    if(isset($r2['id']) && ($r2['id']>0)) {
        $iid=$r2['id']+1;
    } else {
        $iid=1;
    }

    //get last seq
    $sql9= "select seq from `files` where item_id=".$POST['id']." and modul='".$modul."' order by seq desc limit 1";
    $res9=mysqli_query($db,$sql9);
    $r9=mysqli_fetch_assoc($res9);

    if(isset($r9['seq']) && ($r9['seq']>0)) {
        $seq=$r9['seq']+1;
    } else {
        $seq=1;
    }

    $folder_y=$ar['img_path']."".$modul."/".date("y");
    if (!is_dir($folder_y)) {
        mkdir($folder_y, 0777, true);
    }
    $folder_ym=$folder_y."/".date("m");
    if (!is_dir($folder_ym)) {
        mkdir($folder_ym, 0777, true);
    }

    $folder_ymd=$folder_ym."/".date("d");
    if (!is_dir($folder_ymd)) {
        mkdir($folder_ymd, 0777, true);
    }

    $folder_ymdh=$folder_ymd."/".date("H");
    if (!is_dir($folder_ymdh)) {
        mkdir($folder_ymdh, 0777, true);
    }

    $folder_main=$folder_ymdh."/".$POST['id'];

    if (!is_dir($folder_main)) {
        mkdir($folder_main, 0777, true);
    }
    $folder_seq=$folder_main."/".$seq;
    if (!is_dir($folder_seq)) {
        mkdir($folder_seq, 0777, true);
    }

    $folder_tmp=$folder_seq."/tmp";
    if (!is_dir($folder_tmp)) {
        mkdir($folder_tmp, 0777, true);
    }

    /*$sub_folder=$_POST['id']."/".$seq."/";
    switch($_POST['file_type']) {
      case "Image";

    }*/

    $path=date("y")."/".date("m")."/".date("d")."/".date("H")."/".$POST['id'];;
    $data=$img_data;
    $image_info = getimagesize($img_data);
    $extension = (isset($image_info["mime"]) ? explode('/', $image_info["mime"] )[1]: "");
    $file_name=date("YmdHis").".".$extension;

    $data = str_replace('data:image/'.$extension.';base64,', '', $data);
    $data = str_replace(' ','+',$data);
    $bin = base64_decode($data);
    if ($bin === false) {
      //$dt['info']="convert invalid";  
    }
    //$img = imageCreateFromString($bin);
    //tmp file
    $tmp_file=$folder_tmp.'/'.$file_name;
    file_put_contents($tmp_file, $bin);

    $sub_folder=$folder_seq."/image";
    $sub_folder_big=$folder_seq."/image/big";
    $sub_folder_medium=$folder_seq."/image/medium";
    $sub_folder_small=$folder_seq."/image/small";

    if(!is_dir($sub_folder)){ mkdir($sub_folder, 0755); }
    if(!is_dir($sub_folder_big)){ mkdir($sub_folder_big, 0755); }
    if(!is_dir($sub_folder_medium)){ mkdir($sub_folder_medium, 0755); }
    if(!is_dir($sub_folder_small)){ mkdir($sub_folder_small, 0755); }

    $source_image=$tmp_file;
    $img_big= $sub_folder_big."/".$file_name;
    $img_medium= $sub_folder_medium."/".$file_name;
    $img_small= $sub_folder_small."/".$file_name;
    //$destination=$ar['img_path']."".$img_url;
    //resize(640, $destination, $source_image);
    image_handler($source_image,$img_big,1080,1080,90,false);
    image_handler($source_image,$img_medium,800,800,90,false);
    image_handler($source_image,$img_small,150,150,90,false);

    $udata2=array(
      'id'=>$iid,
      'seq'=>$seq,
      'modul'=>$modul,
      'item_id'=>$POST['id'],
      'type'=>'image',
      'title'=>gpc($title),
      'caption'=>gpc($caption),
      'url_original'=>"temp/".$file_name,
      'create_at'=>time(),
      'path'=>$path,
      'url'=>$file_name
      );
    Insert($db,"files",$udata2,0);

    $udt2=array(
      'img'=>$modul."/".$path."/".$seq."/image/small/".$file_name,
    );
    Update($db,$modul,$udt2,"id=".$POST['id']);
}

?>