keymasterID = nil
identifierID = nil
triesRemaining = 3

function getUsers()
	prox = peripheral.wrap("top")
	targets = prox.getTargets()
	for k,v in pairs(targets) do
		if v.Name == "Player" then
		  details = prox.getTargetDetails(k)
		  return details.Username
		end
	end
end

function updateScreen()
	os.pullEvent("char")
	term.clear()
	term.setCursorPos(1,1)
	uname = getUsers()
	term.clear()
	term.setCursorPos(1,1)
	print("Welcome, " .. uname .."!")
	term.setCursorPos(1,2)
	os.queueEvent("char", 15)
end

function getPassword()
	pass = read("*")
	if pass == "pie" then
		print("Successful")
	else
		triesRemaining = triesRemaining - 1
		print("Unsucessful. " .. triesRemaining .. " tries remaining")
	end
end

term.clear()
term.setCursorPos(1,1)
while true do
	parallel.waitForAll(updateScreen, getPassword)
end