component = require("component")

event = require("event")
keypad = component.os_keypad
datacard = component.data
cardreader = component.os_magreader

keypad.setEventName("keypad")
keypad.setDisplay("Enter PIN", 1)

keypad.setVolume(0.25);
keypad.getVolume();

customButtons = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "0","11"}
customButtonColor = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}

keypad.setKey(customButtons, customButtonColor)

local _eventName = "magCardRead"
cardreader.setEventName(_eventName)

function OnRead(_,_,playername,cardData,UUID,isLocked,_)
 kppin = ""
  repeat
eventName, address, button, button_label = event.pull("keypad")
 print(kppin .. " len:" .. #kppin)
 kppin = kppin +  button
 keypad.setDisplay(kppin, 1)
 until #kppin > 7
 suc = datacard:decrypt(cardData,"&F)J@NcRfTjWnZr4",kppin..kppin)
 if suc == playername then
  print("ACCESS GRANTED", 1)
 else
  print("ACCESS DENIED TRY AGAIN", 1)
  os.sleep(2.5)
  OnRead(_,_,playername,cardData,UUID,isLocked,_)
 end
end

event.listen("magCardRead", OnRead)
event.pull("interrupted")
event.ignore("magCardRead", OnRead)