from LocalParticipant import LocalParticipant
from Messages.ParticipantMsg import ParticipantMsg
from Messages.NetworkIdMsg import NetworkIdMsg
from Things.TemperatureSensor import TemperatureSensor
from Thing import Thing

import socket
import threading

class SiteServer(LocalParticipant):
    """! A site server is a participant which provides a shared simulated environment 
    """

    name = "Site Server"

    def __init__(self, port=7681):
        """! Create a new site server
        @param port The UDP port on which communication is received
        """
        self.ip_address = "0.0.0.0"
        self.port = port
        self.local_port = port

        self.others = []
        self.network_id = 0
        self.buffer = bytearray(256)
        self.thing_msg_processors = {}
        self.new_thing_handlers = []
        self.publishInterval = 0

        self.udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)        
        self.udp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
        self.udp_socket.bind(("0.0.0.0", self.local_port))

        self.thread = threading.Thread(target = self.Receiver)
        self.thread.daemon = True
        self.thread.start()
        
        self.Register(TemperatureSensor, Thing.Type.TemperatureSensor)

    def ProcessParticipantMsg(self, sender, msg):
        if msg.network_id == 0:
            print(f'{self.name} received New Client -> {sender.network_id}')
            self.Send(sender, NetworkIdMsg(sender.network_id))
        # else:
        #     print(f'{self.name} Client')
    
    def ProcessNetworkId(self, msg):
        pass