from datetime import datetime
import logging
import queue
import socket
import struct
import sys
from pathlib import Path

LOG_PATH = Path("C:/temp/wordclock_log.txt")

def setup_logging():
    FORMAT = "%(asctime)s %(message)s"
    logging.basicConfig(format=FORMAT, level=logging.INFO)
    logger = logging.getLogger()
    handler = logging.FileHandler(LOG_PATH)
    handler.setLevel(logging.INFO)
    logger.addHandler(handler)
    return logger


def get_ip_address():
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    s.connect(("1.1.1.1", 80))
    return s.getsockname()[0]


logger = setup_logging()

multicast_group = "230.120.10.2"
server_address = ("", 8123)

# Create the socket
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

# Bind to the server address
sock.bind(server_address)

logging.info("Start")

# Tell the operating system to add the socket to the multicast group
# on all interfaces.
group = socket.inet_aton(multicast_group)
mreq = struct.pack("4s4s", group, socket.inet_aton(get_ip_address()))
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)

logger.info("Ready")

# Receive/respond loop
while True:
    data, address = sock.recvfrom(1024)
    data_str = data.decode("utf-8").strip()
    logger.info(data_str)