import asyncio
import nats

NATS_SERVER = "nats://localhost:4222"
TOKEN = "dfji348934jdd0i24uhjd29834ijrr0345jo0r3j034n"


async def message_handler(msg):
    subject = msg.subject
    reply = msg.reply
    data = msg.data.decode()
    print(f"Received a message on '{subject} {reply}': {data}")

async def main():
    # It is very likely that the demo server will see traffic from clients other than yours.
    # To avoid this, start your own locally and modify the example to use it.
    nc = await nats.connect(NATS_SERVER, token=TOKEN)

    # You can also use the following for TLS against the demo server.
    #
    # nc = await nats.connect("tls://demo.nats.io:4443")



    # Simple publisher and async subscriber via coroutine.
    while True:
        sub = await nc.subscribe("foo", cb=message_handler)
        await asyncio.sleep(0.1)



if __name__ == '__main__':
    try:
        asyncio.run(main())
    except KeyboardInterrupt:
        pass