no

nos.pullEvent = os.pullEventRaw

local w, h = term.getSize()

function printCentered(y, s)
    local x = math.floor((w - string.len(s)) / 2)
    term.setCursorPos(x, y)
    term.clearLine()
    term.write(s)
end

local nOption = 1

local function drawMenu()
    term.clear()
    term.setCursorPos(1, 1)
    term.setTextColor(colors.cyan)  -- Set text color to cyan
    term.write("Impending OS Alpha // ")
    term.setCursorPos(1, 2)
    term.setTextColor(colors.orange)  -- Set text color to orange
    shell.run("id")

    term.setCursorPos(w - 11, 1)
    if nOption == 1 then
        term.setTextColor(colors.green)  -- Set text color to green for selected option
        term.write("Command")
    elseif nOption == 2 then
        term.setTextColor(colors.yellow)  -- Set text color to yellow for selected option
        term.write("Programs")
    elseif nOption == 3 then
        term.setTextColor(colors.red)  -- Set text color to red for selected option
        term.write("Shutdown")
    elseif nOption == 4 then
        term.setTextColor(colors.magenta)  -- Set text color to magenta for selected option
        term.write("Uninstall")
    else
        term.setTextColor(colors.white)  -- Reset text color
    end
end

-- GUI
term.clear()
local function drawFrontend()
    term.setBackgroundColor(colors.black)  -- Set background color to black
    term.clear()
    printCentered(math.floor(h / 2) - 3, "")
    printCentered(math.floor(h / 2) - 2, "Start Menu")
    printCentered(math.floor(h / 2) - 1, "")
    printCentered(math.floor(h / 2) + 0, ((nOption == 1) and "[ Command  ]") or "Command")
    printCentered(math.floor(h / 2) + 1, ((nOption == 2) and "[ Programs ]") or "Programs")
    printCentered(math.floor(h / 2) + 2, ((nOption == 3) and "[ Shutdown ]") or "Shutdown")
    printCentered(math.floor(h / 2) + 3, ((nOption == 4) and "[ Uninstall]") or " Uninstall")
    printCentered(math.floor(h / 2) + 4, "")
    term.setBackgroundColor(colors.black)  -- Reset background color
end

-- Display
drawMenu()
drawFrontend()

while true do
    local e, p = os.pullEvent()
    if e == "key" then
        local key = p
        if key == 17 or key == 200 then
            if nOption > 1 then
                nOption = nOption - 1
                drawMenu()
                drawFrontend()
            end
        elseif key == 31 or key == 208 then
            if nOption < 4 then
                nOption = nOption + 1
                drawMenu()
                drawFrontend()
            end
        elseif key == 28 then
            break
        end
    end
end

term.clear()

-- Conditions
if nOption == 1 then
    shell.run("ios/.command")
elseif nOption == 2 then
    shell.run("ios/.programs")
elseif nOption == 3 then
    os.shutdown()
else
    shell.run("ios/.UninstallDialog")
end