import sys
import time
import logging

ONEYEAR = 366 * 24 * 3600


def get_abs_time(times):
    """
    Gets the absolute times for the given potential relative times. If a given timestamp is less than
    one year, then the value is relative and converted into an absolute timestamp

    Parameters :
        times([(float)]) : an array of unix timestamps or relative duration (< 1 year) as floats

    Returns :
        [(float)] : an array of absolute unix timestamps as floats
    """
    now = int(time.time() + 0.999)
    return [t + now if t < ONEYEAR else t for t in times]


class Logger(object):
    def __init__(self, logpath):
        self.terminal = sys.stdout
        self.log = open(logpath, "a")

    def write(self, message):
        self.terminal.write(message)
        self.log.write(message)

    def flush(self):
        pass


class Instrument:
    def __init__(self):
        self.clients = {}

    def remove(self, client):
        try:
            del self.clients[client.id]
        except KeyError:
            logging.warning('client already removed %s', client.id)

    def register(self, client):
        self.clients[client.id] = client
        return client