//---------------------------------------------------------------------------
// Global Functions
//---------------------------------------------------------------------------
bool dir_isvaliddir(LPSTR path) //Check valid directory
{
        //TODO: Add your source code here
         DWORD dwAttrib;
         dwAttrib = GetFileAttributes(path);
         if (dwAttrib == -1)
         {
	         return( false );
         }
         if (dwAttrib & FILE_ATTRIBUTE_DIRECTORY)
	 {
                 return( true );
         }
         return( false );
}
//---------------------------------------------------------------------------
void scandir(char * dirname)
{
        //TODO: Add your source code here
   DIR *dir;
   struct dirent *ent; //entities
   char tmpstr[255];
   char tmpstr1[80];
   double filesize;
   TDateTime FileDT;

   int NF = 0;

   if ((dir = opendir(dirname)) == NULL)
   {
     sprintf(tmpstr,  "Unable to open '%s' directory.\n", dirname );
     ShowMessage( tmpstr );
     exit(1);
   }
   while ((ent = readdir(dir)) != NULL)
   {
     //debug_Print(ent->d_name);
     if( strcmp(ent->d_name, "." ) == 0 )
     {
        //debug_Print("Current directory !!");
     }
     else
     if( strcmp(ent->d_name, ".." ) == 0 )
     {
        //debug_Print("Parent directory !!");
     }
     else
     {
        /*
       sprintf(tmpstr,"%s\\%s",dirname,ent->d_name);
       this->WorkStr->Caption = tmpstr;
       */
       sprintf(tmpstr,"%s\\%s",dirname,ent->d_name);
       if (FileExists(tmpstr))
       {
         filesize = (double (dir_getfilesize( tmpstr ))) / 1024.0;
         FileDT = dir_getfiledatetime( tmpstr );

         //debug_Print(tmpstr);
         if( is_supportedFileExt( tmpstr ) )
         {
           sprintf( tmpstr1,"%s  (%8.1lfkb)", ent->d_name, filesize);
           this->AddIcon( tmpstr, tmpstr1, NF );

           NF++;
         }
       }
     }
   }
   if (closedir(dir) != 0)
   {
     //debug_Print("Unable to close directory");
     sprintf(tmpstr, "Unable to close '%s' directory.\n", dirname );
     ShowMessage(tmpstr );
   }

}
//---------------------------------------------------------------------------

bool is_supportedFileExt(AnsiString theFilePath)
{
        //TODO: Add your source code here
    AnsiString temp;
    temp = theFilePath.SubString( theFilePath.Length()-2, 3 );
    //temp = temp.UpperCase();
    if( temp == "avi" || temp == "AVI" )
    {
        return( true );
    }
    return( false );

}

//---------------------------------------------------------------------------
long dir_getfilesize(LPSTR path)
{
        //TODO: Add your source code here
         int fh;
         OFSTRUCT os;
         long size;
         fh = OpenFile(path, &os, OF_READ|OF_SHARE_DENY_NONE);
         if (fh == -1)
	 {
                 return(0);
         }
         size = GetFileSize( (HANDLE) fh, NULL);
         _lclose(fh);
         return(size);
}
//---------------------------------------------------------------------------
TDateTime dir_getfiledatetime(LPSTR path)
{
        //TODO: Add your source code here
    int fh;
    OFSTRUCT os;

    fh = OpenFile(path, &os, OF_READ|OF_SHARE_DENY_NONE);
    if (fh == -1)
    {
       return(0);
    }
    FILETIME ftCreate, ftAccess, ftWrite;
    SYSTEMTIME stUTC, stLocal;

    // Retrieve the file times for the file.
    if (!GetFileTime((HANDLE) fh, &ftCreate, &ftAccess, &ftWrite))
        return FALSE;

    // Convert the last-write time to local time.
    FileTimeToSystemTime(&ftWrite, &stUTC);
    SystemTimeToTzSpecificLocalTime(NULL, &stUTC, &stLocal);
    char tempstr[80];
    // Build a string showing the date and time.
    wsprintf(tempstr, "%02d/%02d/%d  %02d:%02d:%02d",
        stLocal.wYear, stLocal.wMonth, stLocal.wDay,
        stLocal.wHour, stLocal.wMinute, stLocal.wSecond );

     _lclose(fh);

    return( StrToDateTime(tempstr) );
}

//---------------------------------------------------------------------------
bool isNum( int *aNum, AnsiString aNumStr)
{
  char *tempstr = aNumStr.c_str();
  int len = strlen( tempstr );
  *aNum = -1;

  if( aNumStr.IsEmpty() )
  {
    return false;
  }

  for( int i=0; i<len; i++ )
  {
    if( !isdigit( tempstr[i] ) )
      return false;
  }
 *aNum = aNumStr.ToInt();
 return true;

}
//---------------------------------------------------------------------------