Doggy OS Mobile external system recovery

-- Function to check if a directory exists
function directoryExists(path)
    local success, message = fs.isDir(path)
    return success
end

-- Function to handle System Recovery submenu
function handleSystemRecovery()
    print("System Recovery")
    print("1. Reinstall System Software")
    print("2. Reinstall System Firmware")
    local choice = read()

    if choice == "1" then
        -- Reinstall System Software
        if directoryExists("/disk2/disk") then
            fs.delete("/disk2/disk")
            fs.copy("/DOSM/", "/disk2/disk")
            print("System Software reinstalled.")
        else
            print("System Software not found.")
        end
    elseif choice == "2" then
        -- Reinstall System Firmware
        if directoryExists("/disk2/no-os") then
            fs.delete("/disk2/no-os")
            fs.copy("/DOSM/bootloader/no-os", "/disk2/no-os")
        end
        if directoryExists("/disk2/startup") then
            fs.delete("/disk2/startup")
        end
        fs.copy("/DOSM/boot/error", "/disk2/startup")
        print("System Firmware reinstalled.")
    else
        print("Invalid choice.")
    end
end

-- Function to handle User Data Recovery submenu
function handleUserDataRecovery()
    print("User Data Recovery")
    print("1. Backup user data")
    print("2. Restore user data")
    local choice = read()

    if choice == "1" then
        -- Backup user data
        print("Enter the backup destination path:")
        local backupPath = read()
        if directoryExists("/disk2/disk/users/") then
            fs.copy("/disk2/disk/users/", backupPath)
            print("User data backed up.")
        else
            print("User data not found.")
        end
    elseif choice == "2" then
        -- Restore user data
        print("Enter the path of the backup data:")
        local backupPath = read()
        if directoryExists(backupPath) then
            fs.delete("/disk2/disk/users/")
            fs.copy(backupPath, "/disk2/disk/users/")
            print("User data restored.")
        else
            print("Backup data not found.")
        end
    else
        print("Invalid choice.")
    end
end

-- Main program
if directoryExists("/disk2/recovery") then
    print("Doggy OS Mobile System Recovery")
    print("---------------------------------------")
    print("1. System Recovery")
    print("2. User Data Recovery")
    local mainChoice = read()

    if mainChoice == "1" then
        handleSystemRecovery()
    elseif mainChoice == "2" then
        handleUserDataRecovery()
    else
        print("Invalid choice.")
    end
else
    print("Recovery directory not found.")
end