import sys

isup = "does not exist." not in $(ip link show dev wg0 2>&1)

try:
    match sys.argv[1]:
        case "toggle":
            if isup:
                footclient wg-quick down wg0
            else:
                footclient wg-quick up wg0
        case "status":
            if isup:
                print("u")
            else:
                print("d")
        case _:
            raise RuntimeError

except (RuntimeError, IndexError):
    print('"toggle" or "status" must be provided')
    exit(1)

exit(0)