mon = peripheral.wrap("front")
mon2 = peripheral.wrap("top")
local password = {
  digit1 = "*",
  digit2 = "*",
  digit3 = "*",
  digit4 = "*"
}
mon.clear()
mon.setCursorPos(2,1)
mon.setBackgroundColor((colors.red))
mon.write("Reset")function writePad()
  local i = 1
  local x = 2
  local y = 2

  while i <= 9 do
        mon.setBackgroundColor((colors.lime))
        mon.setCursorPos(y,x)
        mon.write(i)
        mon.setCursorPos(y+1, x)
        mon.setBackgroundColor((colors.black))
        mon.write(" ")
        y = y + 2

        if y == 8 then
          y = 2
          x = x + 1
        end

        i = i + 1
  end
end
writePad()mon.setBackgroundColor((colors.black))
function writePass()
  local pass = {
  pass1 = "_",
  pass2 = "_",
  pass3 = "_",
  pass4 = "_"
}
if password.digit1 ~= "*" then
   pass.pass1 = "*"
endif password.digit2 ~= "*" then
   pass.pass2 = "*"
end
if password.digit3 ~= "*" then
   pass.pass3 = "*"
endif password.digit4 ~= "*" then
   pass.pass4 = "*"
end
  mon.setCursorPos(2,5)
  mon.write(pass.pass1..pass.pass2..pass.pass3..pass.pass4)
endwritePass()

local passPos = 1
local mousePosW = 1
local mousePosH = 1function setDigit(digit)
  if passPos == 1 then
        password.digit1 = digit
  end

  if passPos == 2 then
        password.digit2 = digit
  end

  if passPos == 3 then
        password.digit3 = digit
  end

  if passPos == 4 then
        password.digit4 = digit
  end
  passPos = passPos + 1
endfunction checkMousePos()
  if mousePosH == 1 then
        resetPass()
  end
  if mousePosH == 2 then

        if mousePosW == 2 or mousePosW == 3 then
          setDigit("1")
        end

        if mousePosW == 4 or mousePosW == 5 then
          setDigit("2")
        end

        if mousePosW == 6 or mousePosW == 7 then
          setDigit("3")
        end
  end

  if mousePosH == 3 then

        if mousePosW == 2 or mousePosW == 3 then
          setDigit("4")
        end

        if mousePosW == 4 or mousePosW == 5 then
          setDigit("5")
        end

        if mousePosW == 6 or mousePosW == 7 then
          setDigit("6")
        end
  end

  if mousePosH == 4 then

        if mousePosW == 2 or mousePosW == 3 then
          setDigit("7")
        end

        if mousePosW == 4 or mousePosW == 5 then
          setDigit("8")
        end

        if mousePosW == 6 or mousePosW == 7 then
          setDigit("9")
        end
  end

endfunction resetPass()

  password.digit1 = "*"
  password.digit2 = "*"
  password.digit3 = "*"
  password.digit4 = "*"
  passPos = 1
  writePass()
end
while true do
  if passPos == 5 then
        if password.digit1 == "2" and password.digit2 == "1" and password.digit3 == "0" and password.digit4 == "3" then -- this is where the actual password is hardcoded in
          rs.setOutput("left", true)
          mon2.setCursorPos(1,1)
          mon2.clear()
          mon2.write("Welcome to the Reactor Room") -- change this to whatever message you want
          sleep(4)
          rs.setOutput("left", false)
          resetPass()

        else
          local timer = 3
          mon2.setTextColor(16384)
          while timer > 0 do
          mon2.setCursorPos(1,1)
          mon2.clear()
          mon2.write("Fuck off, you are not welcome!")
          sleep(0.5)
          mon2.setCursorPos(1,1)
          mon2.clear()
          sleep(0.5)
          timer = timer - 1
        end
          resetPass()
        end
  end
  mon2.setTextColor(1)
  mon2.setCursorPos(1,1)
  mon2.clear()
  mon2.write("Authorised Personel Only")
  event,p1,p2,p3 = os.pullEvent()

  if event == "monitor_touch" then
        mousePosH = p3
        mousePosW = p2
   checkMousePos()
  endwritePass()
end