test

function install()

  local login   = fs.exists("/os/usr/login")
  local motd    = fs.exists("/os/usr/motd")
  local version = fs.exists("/os/usr/version")
  local path    = fs.exists("/os/usr")

  if path == true then

    if motd == true then

      if version == true then

        if login == true then

          return

        elseif login == false then

          local login = fs.open("/os/usr/login", "w")
          print("test")

        end

      elseif version == false then

        local version = fs.open("/os/usr/version", "w")
        version.write("V.1.0")
        print("version creer")

      end

    elseif motd == false then

      local motd = fs.open("/os/usr/motd", "w")
      motd.write("Windob OS")
      print("motd creer")

    end

  elseif path == false then

    fs.makeDir("/os/usr")
    print("dossier creer")

  end

end

function hud()

  local motd    = fs.open("/os/usr/motd", fs.exists("/os/usr/motd") and "r")
  local version = fs.open("/os/usr/version", fs.exists("/os/usr/version") and "r")
  local x, y    = term.getSize()

  x = 1
  while x < 52 do
    term.setCursorPos(x, 1)
    term.write("-")
    x = x+1
  end

  x = 1
  while x < 52 do
    term.setCursorPos(x, 3)
    term.write("-")
    x = x+1
  end

  y = 2
  x = 46
  term.setCursorPos(x, y)
  term.write("|")

  term.setCursorPos(1, 2)
  term.write(motd.readAll())
  term.setCursorPos(47, 2)
  term.write(version.readAll())

end

function drawLogin()

  local username = "Username :"
  local password = "Password :"
  local x, y     = term.getSize()

  x = 19
  while x < 33 do
    term.setCursorPos(x, y/2.5)
    term.write("-")
    x = x+1
  end

  x = 19
  while x < 33 do
    term.setCursorPos(x, y/2)
    term.write("-")
    x = x+1
  end

  x = 19
  while x < 33 do
    term.setCursorPos(x, y/1.6)
    term.write("-")
    x = x+1
  end

  x = 19
  while x < 33 do
    term.setCursorPos(x, y/1.45)
    term.write("-")
    x = x+1
  end

  x = 19
  while x < 33 do
    term.setCursorPos(x, y/1.2)
    term.write("-")
    x = x+1
  end

  y = 7
  x = 18
  while y < 16 do
    term.setCursorPos(x, y)
    term.write("|")
    y = y+1
  end

  y = 7
  x = 33
  while y < 16 do
    term.setCursorPos(x, y)
    term.write("|")
    y = y+1
  end

  term.setCursorPos(21, 8)
  print(username)
  term.setCursorPos(21, 12)
  print(password)

end

function login()

  local login = fs.open("/os/usr/login", fs.exists("/os/usr/login") and "r")

  term.setCursorPos(19, 10)
  local username = read()
  term.setCursorPos(19, 14)
  local password = read("*")

  if username == login.readLine(1, 1) then

    if password == login.readLine(1, 2) then

      term.clear()
      hud()
      term.setCursorPos(1, 5)
      return

    elseif password then

      term.setCursorPos(17, 17)
      term.write("Something's wrong !")
      os.sleep(2)
      os.reboot()

    end

  elseif username then

    term.setCursorPos(17, 17)
    term.write("Something's wrong !")
    os.sleep(2)
    os.reboot()

  end

end

term.clear()
install()
--parallel.waitForAll(hud, drawLogin, login)