import concurrent.{scheduleAtFixedRate, scheduler}

val ROW = 10
val COL = 20
val digits = array( [
  "   __",
  " /  /",
  "/__/ ",
  "     ",
  "    /",
  "   / ",
  "   __",
  "  __/",
  "/__  ",
  "   __",
  "  __/",
  " __/ ",
  "     ",
  " /__/",
  "   / ",
  "   __",
  " /__ ",
  " __/ ",
  "   __",
  " /__ ",
  "/__/ ",
  "   __",
  "    /",
  "   / ",
  "   __",
  " /__/",
  "/__/ ",
  "   __",
  " /__/",
  " __/ "
  ] )
val colon = array( [
  "  ",
  " .",
  ". "
  ] )

def displayTime =
  def pad( n ) = if n < 10 then '0' + n else n

  t = $time
  s = (t + $timeZoneOffset)\1000%86400
  time = pad( s\3600 ) + ':' + pad( s%3600\60 ) + ':' + pad( s%60 )

  for row <- 0:3
    print( if $os.startsWith('Windows') then '\n' else '\u001B[' + (ROW + row) + ';' + COL + 'H' )

    for ch <- time
      print( if ch == ':' then colon(row) else digits(int(ch)*3 + row) )

  println()
  t

if not $os.startsWith( 'Windows' )
  print( '\u001B[2J\u001B[?25l' )

scheduleAtFixedRate( displayTime, 1000 - displayTime()%1000, 1000 )
readLine()
scheduler().shutdown()

if not $os.startsWith( 'Windows' )
  print( '\u001B[?25h' )