-- CraftOS - CC Tweaked - Number Pad GUI using Basalt GUI
-- Monitor Size: 7, 5
basalt = require("basalt")
code = "1771"
input = ""
last_success = 0
redstoneOn = false

main = basalt.createFrame()
textField = main:addTextfield()
  :setPosition(1,5)

textField:addLine("In: ")

basalt:autoUpdate()

local function update()
  -- Input won't show up, just *'s'
  textField:editLine(1, string.rep("*", #input) .. string.rep("-", 4 - #input))
end

local function check()
  if #input < 4 then
    return
  end

  if input == code then
    input = ""
    last_success = os.clock()
    redstoneOn = true
    redstone.setOutput("back", true)
    update()
  else
    input = ""
    update()
  end
end

local button1 = main
  :addButton()
  :setPosition(1,1)
  :setText("1")
  :setSize(1,1)
  :onClick(
    function()
      input = input .. "1"
      update()
      check()
    end)

local button2 = main
  :addButton()
  :setPosition(2,1)
  :setText("2")
  :setSize(1,1)
  :onClick(
    function()
      input = input .. "2"
      update()
      check()
    end)

local button3 = main
  :addButton()
  :setPosition(3,1)
  :setText("3")
  :setSize(1,1)
  :onClick(
    function()
      input = input .. "3"
      update()
      check()
    end)

local button4 = main
  :addButton()
  :setPosition(1,2)
  :setText("4")
  :setSize(1,1)
  :onClick(
    function()
      input = input .. "4"
      update()
      check()
    end)

local button5 = main
  :addButton()
  :setPosition(2,2)
  :setText("5")
  :setSize(1,1)
  :onClick(
    function()
      input = input .. "5"
      update()
      check()
    end)

local button6 = main
  :addButton()
  :setPosition(3,2)
  :setText("6")
  :setSize(1,1)
  :onClick(
    function()
      input = input .. "6"
      update()
      check()
    end)

local button7 = main
  :addButton()
  :setPosition(1,3)
  :setText("7")
  :setSize(1,1)
  :onClick(
    function()
      input = input .. "7"
      update()
      check()
    end)

local button8 = main
  :addButton()
  :setPosition(2,3)
  :setText("8")
  :setSize(1,1)
  :onClick(
    function()
      input = input .. "8"
      update()
      check()
    end)

local button9 = main
  :addButton()
  :setPosition(3,3)
  :setText("9")
  :setSize(1,1)
  :onClick(
    function()
      input = input .. "9"
      update()
      check()
    end)

local button0 = main
  :addButton()
  :setPosition(2,4)
  :setText("0")
  :setSize(1,1)
  :onClick(
    function()
      input = input .. "0"
      update()
      check()
    end)

while true do
  if os.clock() - last_success > 5 and redstoneOn then
    redstoneOn = false
    redstone.setOutput("back", false)
  end
  sleep(0.1)
end