import socket
from infosec import Infosec
import sys
import binascii

class Peer(object):
    def __init__(self, server, peer_entry):
        self.handles = peer_entry["handles"]
        self.keys = peer_entry["keys"]
        self.peer_id = peer_entry["peer_id"]
        self.server = server
        self.address = peer_entry["address"]
        self.port = peer_entry["port"]
        self.socket = self.server.udp_server_socket 
        self.infosec = Infosec(server)                                 

    def get_key(self):
        if len(self.keys) > 0:
            return self.keys[0]
        else:
            return None

    def send(self, msg):
        try:
            full_message = str.encode(msg["body"])                                        
        
            signed_packet_bytes = self.infosec.pack(self, msg)
            self.server.print_debug("packing message: %s" % full_message)
            self.socket.sendto(signed_packet_bytes, (self.address, self.port))   
            self.server.print_debug("[%s:%d] <- %s" % (self.address,
                                                     self.port,
                                                     binascii.hexlify(signed_packet_bytes)[0:16]))

        except Exception as ex:
            print("Exception while attempting to encode message: %s" % ex)