-- Function to draw a bordered box
local function drawBorderedBox(x, y, width, height, borderColor, bgColor)
    paintutils.drawBox(x, y, x + width - 1, y + height - 1, borderColor)
    paintutils.drawFilledBox(x + 1, y + 1, x + width - 2, y + height - 2, bgColor)
end

-- Function to draw centered text
local function drawCenteredText(y, text, textColor, bgColor)
    local w, h = term.getSize()
    local x = math.floor((w - #text) / 2) + 1
    term.setCursorPos(x, y)
    term.setTextColor(textColor)
    term.setBackgroundColor(bgColor)
    term.write(text)
end

-- Function to display the splash screen with dog image
local function showSplashScreen()
    term.setBackgroundColor(colors.blue)
    term.clear()
    term.setCursorPos(1, 1)

    local screenWidth, screenHeight = term.getSize()

    -- Draw outer border and background
    drawBorderedBox(1, 1, screenWidth, screenHeight, colors.lightGray, colors.blue)

    -- Draw inner filled area
    paintutils.drawFilledBox(2, 2, screenWidth - 1, screenHeight - 1, colors.gray)

    -- Draw title bar
    drawBorderedBox(2, 2, screenWidth - 1, 3, colors.lightGray, colors.lightGray)

    -- Draw title text
    drawCenteredText(3, "Doggy OS", colors.blue, colors.lightGray)

    -- Draw loading message
    drawCenteredText(math.floor(screenHeight / 2), "Loading...", colors.black, colors.gray)

    -- Draw ASCII art dog image
    local dogImage = {
        "     |\\_/|                  ",
        "     | @ @   Woof!           ",
        "     |   <>              _   ",
        "     |  _/\\------____ ((| |))",
        "     |               `--' |  ",
        " _____|_       ___|   |___.' ",
        "/_/_____/____/_______|       "
    }

    local dogX = math.floor(screenWidth / 2) - 11
    local dogY = math.floor(screenHeight / 2) - 4

    term.setTextColor(colors.yellow)
    for i, line in ipairs(dogImage) do
        term.setCursorPos(dogX, dogY + i)
        term.write(line)
    end

    -- Draw spinning wheel animation
    local spinnerFrames = {"|", "/", "-", "\\"}
    local spinnerX = math.floor(screenWidth / 2)
    local spinnerY = math.floor(screenHeight / 2) + 5
    local frameIndex = 1

    local function animateSpinner()
        while true do
            term.setCursorPos(spinnerX, spinnerY)
            term.setTextColor(colors.white)
            term.setBackgroundColor(colors.gray)
            term.write(spinnerFrames[frameIndex])
            frameIndex = frameIndex % #spinnerFrames + 1
            os.sleep(0.2)  -- Adjust speed of animation here
        end
    end

    -- Start spinner animation in a separate thread
    parallel.waitForAny(animateSpinner)
end

-- Example usage: Display splash screen
showSplashScreen()

-- Simulate loading process (replace with actual boot code)
os.sleep(5)  -- Replace with actual initialization process

-- Continue with normal boot process
term.setBackgroundColor(colors.black)
term.setTextColor(colors.white)
term.clear()
term.setCursorPos(1, 1)
print("No issues detected. Continuing boot process...")