os.pullEvent = os.pullEventRaw -- Cancelles CTRL T

-- Variables
username = "finnanut"
sudoUser = "toor"
password = "inmybutt"
attemptsMade = 0

doorSide = "bottom"

local center = function(text)
	maxW, mxH = term.getSize()
	cursorX, cursorY = term.getCursorPos()

	term.setCursorPos((maxW - #text) / 2, cursorY)
	write(text)
	term.setCursorPos(cursorX, cursorY + 1)
end

function checkAttempts()
	if attemptsMade > 3 then
		term.clear()
		term.setCursorPos(1, 1)
		center("Too many attempts have been made, Please try again in 2 minutes.")
		sleep(120)
		os.reboot()
	end
end

function doLogin()
	checkAttempts()

	term.clear()

	if attemptsMade > 0 then
		center("Attempts made: " .. attemptsMade)
	end

	write("Username: ")
	userInput = read()

	if userInput == sudoUser then
		term.clear()
		term.setCursorPos(1, 1)
		center("Welcome into the computer.")

		elseif userInput == username then
			write("Password: ")
			passwordInput = read("*")

			if passwordInput == password then
				term.clear()
				term.setCursorPos(1, 1)
				center("Welcome back.")

				sleep(1)
				rs.setOutput(doorSide, true)
				sleep(2)
				rs.setOutput(doorSide, false)

				term.setCursorPos(1, 1)
				os.reboot()

			else
				term.clear()
				center("Incorrect password.")
				attemptsMade = attemptsMade + 1
				sleep(1)
				term.clear()
				term.setCursorPos(1, 1)
				doLogin()
			end
		else
						term.clear()
			term.setCursorPos(1, 1)
			center("Incorrect username.")
			attemptsMade = attemptsMade + 1
			sleep(1)
			term.clear()
			term.setCursorPos(1, 1)
			doLogin()
		end
	end

doLogin()