#!/usr/bin/env python3
import argparse
import logging
import multiprocessing
import socket
import sys

from server.httpserver import HTTPServer


def main():
    parser = argparse.ArgumentParser(description='HTTP Server')
    parser.add_argument("--verbose", "-v", action='count', default=0, help="Increase verbosity level of logging")
    parser.add_argument("--workers", "-w",
                        help="The amount of worker processes. This is by default based on the number of cpu threads.",
                        type=int)
    parser.add_argument("--port", "-p", help="The port to listen on", default=8000)
    arguments = parser.parse_args()

    logging_level = logging.ERROR - (10 * arguments.verbose)
    logging.basicConfig(level=logging_level, format="%(levelname)s:[SERVER] %(message)s")
    logging.debug("Arguments: %s", arguments)

    # Set workers
    if arguments.workers:
        workers = int(arguments.workers)
    else:
        workers = multiprocessing.cpu_count()

    # Set port
    if arguments.port:
        port = int(arguments.port)
    else:
        port = 8000

    # Get hostname and address
    hostname = socket.gethostname()
    address = socket.gethostbyname(hostname)
    server = HTTPServer(address, port, workers, logging_level)
    server.start()


try:
    if __name__ == '__main__':
        main()
except Exception as e:
    print("[ABRT] Internal error: " + str(e), file=sys.stderr)
    logging.debug("Internal error", exc_info=e)
    sys.exit(70)