startup

mon = peripheral.wrap("top")
term.redirect(mon)
if fs.exists("bg") then
  print("Loading Background...")
else
  print("Downloading Background...")
  shell.run("pastebin get ZTPGu6zq bg")
  print("Loading Background Image")
  sleep(3)
end
bg = paintutils.loadImage("bg")

function drawBG()
  term.clear()
  term.setCursorPos(1,1)
  paintutils.drawImage(bg,1,1)
end

function fillIn()
  xH = 1
  mon.setCursorPos(1,xH)
  for i = 1,3 do
    for i = 1,2 do
      mon.setBackgroundColor(colors.white)
      repeat
        xC,yC = mon.getCursorPos()
        mon.write(" ")
      until xC == 6
      mon.setCursorPos(12,xH)
    end
    xH = xH+1
    mon.setCursorPos(1,xH)
  end
end

function getDigit()
  if x == 4 and y == 4 then return 1
  elseif x == 7 and y == 4 then return 2
  elseif x == 11 and y == 4 then return 3
  elseif x == 4 and y == 6 then return 4
  elseif x == 7 and y == 6 then return 5
  elseif x == 11 and y == 6 then return 6
  elseif x == 4 and y == 7 then return 7
  elseif x == 7 and y == 7 then return 8
  elseif x == 11 and y == 7 then return 9
  elseif x == 7 and y == 9 then return 0
  end
end

function number()
  if y >= 1 and y <= 3 then
  --
    if x >= 1 and x <= 6 then
      return 1
    elseif x >= 7 and x <= 12 then
      return 2
    elseif x >= 13 and x <= 17 then
      return 3
    end
    -- 1-2-3 ^
  elseif y >= 4 and y <= 6 then
  --
    if x >= 1 and x <= 6 then
      return 4
    elseif x >= 7 and x <= 12 then
      return 5
    elseif x >=13 and x <= 17 then
      return 6
    end
  elseif y >= 7 and y <= 9 then
  -- 4-5-6 ^
    if x >= 1 and x <= 6 then
      return 7
    elseif x >= 7 and x <= 12 then
      return 8
    elseif x >= 13 and x <=17 then
      return 9
  -- 7-8-9 ^
    end
  elseif y >= 10 then return 0
  end
end

function draw()
  mon.setBackgroundColor(colors.white)
  mon.setTextColor(colors.black)
  mon.setTextScale(0.9)
  mon.clear()
  mon.setCursorPos(4,3)
  mon.write("[1][2][3]")
  mon.setCursorPos(4,5)
  mon.write("[4][5][6]")
  mon.setCursorPos(4,7)
  mon.write("[7][8][9]")
  mon.setCursorPos(4,9)
  mon.write("   [0]")
end
function auth()
  input = {}
  for i = 1,4 do
    event,side,x,y = os.pullEvent("monitor_touch")
    table.insert(input,tonumber(number()))
  end
  result = tonumber(table.concat(input))
end

while true do
  drawBG()
  auth()
  if result == 4002 then
    print("Correct!")
    rs.setOutput("bottom",true)
    sleep(2)
    rs.setOutput("bottom",false)
  else
    print(result.." is incorrect!")
  end
  sleep(2)
end