doorlock

-- 1.1.1

function yNt()
	local n=1
	while true do
		local x, y=term.getCursorPos()
		term.clearLine()
		if n==1 then write(">No<   Yes") else write (" No   >Yes<") end
		term.setCursorPos(x, y)
		a, b=os.pullEvent("key")
		if b==263 and n==2 then n=1 end
		if b==262 and n==1 then n=2 end
		if b==257 then
			print("")
			if n==1 then return false end
			if n==2 then return true end
		end
	end
end

function Menu()
	term.clear()
	term.setCursorPos(1,1)
	term.setTextColour(colours.green)
	write("exit    ")
	term.setTextColour(colours.white)
	print(" : Change nothing")
	term.setTextColour(colours.green)
	write("settings")
	term.setTextColour(colours.white)
	print(" : Change passwords and side")
	term.setTextColour(colours.green)
	write("unistall")
	term.setTextColour(colours.white)
	print(" : Unistall doorlock")
	print(" ")
	term.setTextColour(colours.yellow)
	write("@doorlock>")
	choise = read()

	if choise ~= "exit" and choise ~= "unistall" and choise ~= "settings" then
		term.setTextColour(colours.red)
		print("unknown command")
		os.sleep(1.5)
		os.reboot()
	end

	if choise == "unistall" then
		fs.delete("/CB/doorlock")
		os.reboot()
	end

	if choise == "exit" then
		os.reboot()
	end

	if choise == "settings" then
		Settings()
		os.sleep(1)
		os.reboot()
	end
end

function Settings()
	term.setTextColour(colours.brown)
	write("Enter the user password : ")
	pass = read("*")
	write("Confirm : ")
	cpass = read("*")

	if pass ~= cpass then
		term.setTextColour(colours.red)
		print("Passwords are not corresponding !")
		os.sleep(1.5)
		os.reboot()
	end

	term.setTextColour(colours.brown)
	write("Enter the admin password : ")
	apass = read("*")
	write("Confirm : ")
	acpass = read("*")

	if apass ~= acpass then
		term.setTextColour(colours.red)
		print("Passwords are not corresponding !")
		os.sleep(1.5)
		os.reboot()
	end

	if apass == pass then
		term.setTextColour(colours.red)
		print("User and admin passwords are the same !")
		os.sleep(1.5)
		os.reboot()
	end

	term.setTextColour(colours.white)
	write("Side of the door : ")
	side = read()

	if side ~= "bottom" and side ~= "top" and side ~= "back" and side ~= "front" and side ~= "right" and side ~= "left" then
		term.setTextColour(colours.red)
		print("Side not exists.")
		os.sleep(1.5)
		os.reboot()
	end

	term.setTextColour(colours.green)
	wr = fs.open("/CB/doorlock", "w")
	wr.writeLine(pass)
	wr.writeLine(apass)
	wr.writeLine(side)
	wr.close()
	pas = fs.open("/CB/password", "w")
	pas.write("none")
	pas.close()
	print("Password sucessfuly set")
	os.sleep(2)
end

if not fs.exists("/CB/doorlock") then
	term.clear()
	term.setCursorPos(1,1)
	term.setTextColour(colours.red)
	print("Do you realy want to use DoorLock ?")
	print("This will set DoorLock as startup")
	if yNt() == false then
		os.reboot()
	end
	Settings()
end



term.clear()
term.setCursorPos(1,1)
term.setTextColour(colours.blue)
print("DoorLock V. 1.1.1")
print(" ")

file = fs.open("/CB/doorlock", "r")
word = file.readLine()
aword = file.readLine()
sid = file.readLine()
file.close()

term.setTextColour(colours.brown)
write("Password : ")
passwd = read ("*")

if passwd ~= word then
	if passwd == aword then
		Menu()
		os.sleep(1)
		os.reboot()
		else
		term.setTextColour(colours.red)
		print("wrong password")
		os.sleep(1.5)
		os.reboot()
	end
end

redstone.setOutput(sid, true)
os.sleep(3)
redstone.setOutput(sid, false)
os.reboot()