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","Cancle"}
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,_)
    local kppin = ""
    repeat
        eventName, address, button, button_label = event.pull("keypad")
        print("key pressed: " .. button)
        if button == "Cancle" then
            break
        end
        kppin = kppin .. button
        keypad.setDisplay(kppin, 1)
    until #kppin == 8
    if button == "Cancle" then
        return
    end
    suc = datacard:decrypt(cardData,"&F)J@NcRfTjWnZr4",kppin..kppin)
    if suc == playername then
        keypad.setDisplay("ACCESS GRANTED", 1)
    else
        keypad.setDisplay("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)