.menu

term.clear()
term.setCursorPos(1,1)
print("##############################")
term.setCursorPos(1,2)

function drawMenu()
    term.setCursorPos(1,13)
    print("Command   ")

    term.setCursorPos(1,15)
    print("Ports    ")

    term.setCursorPos(1,17)
    print("Unavailable    ")
end

function drawOption1()
    term.setCursorPos(1,13)
    print("[Command]")
end

function drawOption2()
    term.setCursorPos(1,15)
    print("[Ports]")
end

function drawOption3()
    term.setCursorPos(1,17)
    print("[Unavailable]")
end

print("    ___         __  ")
print("   /   |  _____/ /_ ")
print("  / /| | / ___/ __ \\")
print(" / ___ |(__  ) / / /")
print("/_/  |_/____/_/ /_/  1.0.2")

drawMenu()
term.setCursorPos(1,13)
print("[Command]")

term.setCursorPos(1,8)
print("##############################")
print("Main Menu")
print("Pick a page to go to.")
print("######################")
term.setCursorPos(1,12)

local buttonNum = -1
while true do
  local event, key, isHeld = os.pullEvent("key")
    if key == keys.up then
        if buttonNum >= -1 then
            buttonNum = buttonNum - 1
        end
    end

    if key == keys.down then
        if buttonNum <= -1 then
            buttonNum = buttonNum + 1
        end
    end

    if key == keys.enter then
        if buttonNum == -1 then
            shell.run(".command")
            break
        elseif buttonNum == 0 then
            shell.run(".PortConnectionLost")
            break
        end
    end

    if buttonNum == -1 then
        drawMenu()
        drawOption1()
    elseif buttonNum == 0 then
        drawMenu()
        drawOption2()
    elseif buttonNum == 1 then
        drawMenu()
        drawOption3()
    end

end