import terminal
import strutils

import escapeSequences

proc termGetCursorPos*(ouput: File): (int, int) =
  # TODO, must only call this at the start of the program
  ouput.write(escGetCursorPos)

  var response = ""
  if getch() != '\e':
    raise newException(InvalidResponseError, "Unsupported terminal - can't get cursor position.")
  if getch() != '[':
    raise newException(InvalidResponseError, "Can't parse response in getCursorPos")
  var newChar = getch()
  while newChar != ';':
    response &= newChar
    newChar = getch()
  let y = parseInt(response) - 1
  response = ""
  newChar = getch()
  while newChar != 'R':
    response &= newChar
    newChar = getch()
  let x = parseInt(response) - 1

  return (x, y)

proc termGetWidth*: int =
  terminalWidth()

proc termGetHeight*: int =
  terminalHeight()