os.loadAPI("h2touchpanel")

local password = 0


function input(num)
  print("before:",password)
  password = password * 10 + num
  print("after:",password)
end

function clear()
  password = 0
end

function enter()
  if password == 1234 then
    print("OK! Open the door.")
    rs.setOutput("right", true)
    sleep(5.0)
    rs.setOutput("right", false)
  else
    print("NG! Please retry!")
  end
  password = 0
end


local buttons = {}
buttons[1] = {name = "1", cmd = function() input(1) end}
buttons[2] = {name = "2", cmd = function() input(2) end}
buttons[3] = {name = "3", cmd = function() input(3) end}
buttons[4] = {name = "4", cmd = function() input(4) end}
buttons[5] = {name = "5", cmd = function() input(5) end}
buttons[6] = {name = "6", cmd = function() input(6) end}
buttons[7] = {name = "7", cmd = function() input(7) end}
buttons[8] = {name = "8", cmd = function() input(8) end}
buttons[9] = {name = "9", cmd = function() input(9) end}
buttons[10] = {name = "0", cmd = function() input(0) end}
buttons[11] = {name = "clear", cmd = function() clear() end}
buttons[12] = {name = "enter", cmd = function() enter() end}

local monitor = peripheral.wrap("top")
local option = {topPos = 2, bottomPos = 9}
local panel = h2touchpanel.makePanel(buttons, 3, 4, monitor, option)
panel:draw()


while true do
  local event, btn = panel:pullButtonPushEvent()
  btn:run()
  panel:drawPushedButtonEffect(btn, 0.5)
end