--os.pullEvent = os.pullEventRaw
local monitor = peripheral.find("monitor")
function lock()
  if peripheral.find("monitor") then
    monitor.clear()
    monitor.setCursorPos(1,1)
    monitor.print("Currently Locked")
  end
  term.clear()
  term.setCursorPos(1,1)
  term.setTextColor(colors.yellow)
  textutils.slowPrint("MC Crafters Security System")
  term.setTextColor(colors.white)
  sleep(1)
  textutils.slowWrite("Username: ")
  user = read()
  textutils.slowWrite("Password: ")
  pass = read("*")
  if user == "Admin" and pass == "password" then
    term.setCursorPos(1,4)
    term.setTextColor(colors.green)
    textutils.slowPrint("Valid Login Credentials, Welcome to The System.")
    if peripheral.find("monitor") then
      monitor.clear()
      monitor.setCursorPos(1,1)
      monitor.print("Currently Unlocked")
    end
    sleep(2)
    term.clear()
    os.version()
    term.setCursorPos(1,2)
  else
    term.setCursorPos(1,4)
    term.setTextColor(colors.red)
    textutils.slowPint("Invalid Login Credenials, Please Don't Try Again.")
    sleep(2)
    lock()
  end
end

if not fs.exists("startup") then
  local file = fs.open("startup", "w")
  file:shell.run("lock")
  file:close()
  os.reboot()
end

lock()