Doggy OS Firmware recovery and update tool

local function drawSeparator()
    print(string.rep("-", 30))
end

local function showMenu()
    term.clear()
    term.setCursorPos(1, 1)
    print("=== VA11-ILLA Bootloader Tool ===")
    drawSeparator()
    print("1. Download file from Pastebin")
    print("2. Use a local file")
    print("3. Exit")
    drawSeparator()
    term.write("Enter your choice: ")
end

local function downloadFromPastebin()
    term.clear()
    term.setCursorPos(1, 1)
    print("=== Download from Pastebin ===")
    drawSeparator()
    term.write("Enter Pastebin code: ")
    local code = read()
    local url = "https://pastebin.com/raw/" .. code
    local response = http.get(url)

    if response then
        local file = fs.open("VA11-ILLA_DOSBL", "w")
        file.write(response.readAll())
        file.close()
        response.close()
        print("\nFile downloaded successfully as VA11-ILLA_DOSBL!")
        sleep(2)
        return true
    else
        print("\nFailed to download. Check the code or network connection.")
        sleep(2)
        return false
    end
end

local function copyFromLocal()
    term.clear()
    term.setCursorPos(1, 1)
    print("=== Use Local File ===")
    drawSeparator()
    term.write("Enter the path to the local file: ")
    local path = read()

    if fs.exists(path) then
        fs.copy(path, "VA11-ILLA_DOSBL")
        print("\nFile copied successfully as VA11-ILLA_DOSBL!")
        sleep(2)
        return true
    else
        print("\nFile not found. Check the path.")
        sleep(2)
        return false
    end
end

local function runRepairScript()
    term.clear()
    term.setCursorPos(1, 1)
    print("Running FW-REPAIR...")
    drawSeparator()

    if fs.exists("/disk/bootloader/FW-REPAIR.lua") then
        shell.run("/disk/bootloader/FW-REPAIR.lua")
    else
        print("\nError: Repair script not found at /disk/bootloader/FW-REPAIR.lua")
        sleep(2)
    end
end

local function main()
    while true do
        showMenu()
        local choice = read()

        if choice == "1" then
            if downloadFromPastebin() then
                runRepairScript()
            end
        elseif choice == "2" then
            if copyFromLocal() then
                runRepairScript()
            end
        elseif choice == "3" then
            print("\nExiting tool. Goodbye!")
            sleep(1)
            break
        else
            print("\nInvalid choice. Please try again.")
            sleep(2)
        end
    end
end

main()