from argparse import ArgumentParser
from json import dumps
from subprocess import run

if __name__ == "__main__":
    parser = ArgumentParser()
    parser.add_argument("interfaces", nargs="+", help="one or more names of interfaces to watch")
    args = parser.parse_args()

    watch = set(args.interfaces)

    ifconfig = run(["ifconfig", "-s"], capture_output=True, text=True).stdout

    interfaces = {line.split()[0] for line in ifconfig.splitlines()[1:]}

    active = interfaces.intersection(watch)

    result = {
        "text": "active" if len(active) > 0 else "inactive",
        "tooltip": "\n".join(active),
    }

    print(dumps(result))