#!/usr/bin/env python3

import sys,socket,os

def chat_client(host,port):
    whoami = os.getenv("USER")
    try:
        s = socket.socket(socket.AF_INET,socket.SOCK_STREAM) 
        s.connect((host,port))
        while True:
            message = input("moi > ")
            message = whoami+" > "+message
            s.sendall(message.encode())
            data = s.recv(1024)
            print(data.decode())
    except KeyboardInterrupt:
        s.close()
    finally:
        print("bye")

if __name__ ==  "__main__":
    try:
        chat_client(sys.argv[1],int(sys.argv[2]))
    except IndexError:
        print(f"{sys.argv[0]} demande un hôte où se connecter et un numéro de port")