import threading
import socket
import logging
import os

import config

from .http_handler import HTTPHandler


log = logging.getLogger(__name__)


def init_server_socket(server_handler):
    assert server_handler == HTTPHandler, "Server handler isn't Handler type"

    try:
        with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as main_server_socket:
            log.debug("Set socket option REUSEADDR to True")
            main_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True)

            log.info("Attempt to bind socket to 0.0.0.0:%d", config.SETUP["server"]["port"])
            main_server_socket.bind(("0.0.0.0", config.SETUP["server"]["port"]))

            log.debug("Make socket to listen")
            main_server_socket.listen()

            while True:
                conn, addr = main_server_socket.accept()
                log.info("Accept connection from %s", addr[0])

                thr_serv_conn = threading.Thread(target=server_handler, args=(conn, addr,), daemon=True)
                thr_serv_conn.start()

    except KeyboardInterrupt:
        log.info("Server get keyboard interrupt, bye!")