local term = require("term")
local os = require("os")
local component = require("component")
local event = require("event")

username = "roxox1"
password = "reece"
isLoggedIn = false

function clear()
  term.clear()
end

function login()
  if isLoggedIn == true then mainMenu() end  --In case we somehow get here by mistake
  clear()
  print("Username: ")
  usernameentered = io.read()
  print("Password: ")
  passwordentered = io.read()
  if usernameetered == username then
    if passwordentered == password then
      isLoggedIn = true
    end
  end
  if isLoggedIn == true then mainMenu() end
  if isLoggedIn == false then print("Nope") os.sleep(2) login() end
end

function mainMenu()
  clear()
  print("--------------------")
  print("(1) Check resources")
  print("(2) Craft items")
  print("(3) Check Power")
  print("(4) Logout")
  print("(5) Close Program")
  print("--------------------")
  input = io.read()

  if input == "1" then checkResources() end -- Check resources
  if input == 2 then print("(2)") end -- Craft Items
  if input == '3' then checkPower() end
  if input == '4' then logout() end
  if input == '5' then closeProgram() end
end

function checkResources()
	itemTable = {}
	print("Opening listening port 888..")
	if component.modem.open(888) then
		print("Port 888 is open.")
	else
		print("Something went wrong :(")
		component.modem.close(888)
		mainMenu()
	end
	local function addItemsToTable(_, _, _, _, _, itemData)
		myTable = serialization.unserialize(itemData)
		for x,y in pairs(myTable) do print(key, value) end
	end
	event.listen("modem_message", addItemsToTable)
	a = io.read()
end

function checkPower()
  clear()
  print(component.RotationalDynamo.getPower())
  e = io.read()
  mainMenu()
end
function logout() -- Logout
  isLoggedIn = false
  login()
end

function closeProgram() -- Close Program
  clear()
end

mainMenu()