-- Doggy OS Shutdown Screen with Spinner
local w, h = term.getSize()

-- Function to center text horizontally
local function centerText(y, text)
    local x = math.floor((w - #text) / 2)
    term.setCursorPos(x, y)
    term.write(text)
end

-- Function to draw the spinner animation
local function drawSpinner(x, y, delay)
    local spinnerFrames = {"|", "/", "-", "\\"}
    local frameCount = #spinnerFrames
    local currentFrame = 1

    while true do
        term.setCursorPos(x, y)
        term.write(spinnerFrames[currentFrame])

        currentFrame = currentFrame % frameCount + 1
        os.sleep(delay)
    end
end

-- Function to draw the shutdown screen
local function drawShutdownScreen()
    term.setBackgroundColor(colors.black)
    term.clear()

    term.setTextColor(colors.white)
    centerText(math.floor(h / 2), "Doggy OS is shutting down...")

    -- Start spinner animation
    local spinnerX = math.floor(w / 2) - 1
    local spinnerY = math.floor(h / 2) + 2
    drawSpinner(spinnerX, spinnerY, 0.1)
end

-- Main program
drawShutdownScreen()

-- Simulate shutdown process (this is where you'd place your shutdown logic)
print("Shutting down Doggy OS...")
os.sleep(3)  -- Simulate shutdown process

-- Clear screen after shutdown
term.setBackgroundColor(colors.black)
term.clear()