DOGGY OS BOOT SCREEN

-- 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 and loading bar
local function showSplashScreen()
    local bgColor = colors.gray  -- Adjusted middle color around the dog image

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

    local dogX = math.floor(screenWidth / 2) - 11
    local dogY = math.floor(screenHeight / 2) - 5  -- Adjusted position for the dog image

    term.setTextColor(colors.yellow)
    for i, line in ipairs(dogImage) do
        term.setCursorPos(dogX, dogY + i)
        term.setBackgroundColor(bgColor)  -- Set background color around the dog image
        term.write(line)
    end

    -- Loading bar parameters
    local barWidth = 30
    local barHeight = 1  -- Height of the loading bar
    local barX = math.floor((screenWidth - barWidth) / 2)
    local barY = math.floor(screenHeight / 2) + 6  -- Adjusted position for the loading bar

    -- Draw box around loading bar with a different border color
    drawBorderedBox(barX - 1, barY - 1, barWidth + 2, barHeight + 2, colors.blue, colors.gray)

    -- Function to update loading bar (original speed)
    local function updateLoadingBar(progress)
        local fillWidth = math.floor(barWidth * progress)
        term.setCursorPos(barX, barY)
        term.setBackgroundColor(colors.lightGray)
        term.write(string.rep(" ", fillWidth))
        term.setBackgroundColor(colors.gray)
        term.write(string.rep(" ", barWidth - fillWidth))
    end

    -- Simulate loading process (original speed)
    local totalSteps = 20  -- Total steps for loading animation
    for i = 1, totalSteps do
        local progress = i / totalSteps
        updateLoadingBar(progress)
        os.sleep(0.2)  -- Original speed for loading animation
    end

    -- Run /disk/os/lock.lua after loading completes
    shell.run("/disk/os/lock.lua")

    -- 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...")
end

-- Example usage: Display splash screen
showSplashScreen()