import datetime
import socket

from utils import mac_address, broadcast_address

if __name__ == "__main__":

    print("Starting listener...")

    connection = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.ntohs(3))

    while True:
        byte_string, addr = connection.recvfrom(65536)

        destination = byte_string[0:6]
        if byte_string[12:14] == b"\x60\x00" \
                and (destination == mac_address or destination == broadcast_address):

            source = byte_string[6:12]
            message = byte_string[14:].decode("utf-8").rstrip("\x00")
            dt_string = datetime.datetime.now().strftime("%d/%m/%Y %H:%M:%S")
            print("----")
            print("Revcd from {} to {} @{}".format(source, destination, dt_string))

            if message == "ZeusWPI is de max!":
                print("Congratulations, packet received correctly!")
            else:
                print("Wrong message, please check that you are sending \"ZeusWPI is de max!\"")