### Simple IP Monitor
import datetime
import os
import time
from clint.textui import colored


def format_string(str, min_length):
    while len(str) < min_length:
        str += " "
    return str


class IP:
    def __init__(self, str_ip, online, since):
        self.str_ip = str_ip
        self.online = online
        self.since = since

    def format_time(self):
        seconds = (datetime.datetime.now() - self.since).total_seconds()
        time_str = ""

        WEEK = 604800
        DAY = 216000
        HOUR = 3600
        MINUTE = 60

        while (seconds >= 0):
            if (seconds >= WEEK):
                weeks = int(seconds / WEEK)
                seconds -= (weeks * WEEK)
                time_str += int(weeks).__str__() + " weeks "
            if (seconds >= DAY):
                days = int(seconds / DAY)
                seconds -= days * DAY
                time_str += int(days).__str__() + " days "
            if (seconds >= HOUR):
                hours = int(seconds / HOUR)
                seconds -= hours * HOUR
                time_str += int(hours).__str__() + " hours "
            if (seconds >= MINUTE):
                minutes = int(seconds / MINUTE)
                seconds -= minutes * MINUTE
                time_str += int(minutes).__str__() + " minutes "
            if (seconds <= 60):
                return time_str + int(seconds).__str__() + " seconds "

    def __str__(self):
        return "%s %s for %s" % (
            format_string(self.str_ip, 15),
            colored.green("Online  ") if self.online else colored.red("Offline "),
            self.format_time(),
        )


def get_ips(file_path):
    ips_list = [line.rstrip('\n') for line in open(file_path)]

    ips_dict = {}

    for str_ip in ips_list:
        ips_dict[str_ip] = IP(str_ip, False, datetime.datetime.now())

    return ips_dict


def check_ips(ip_dict):
    for ip_key in ip_dict.keys():

        ip = ip_dict[ip_key]

        response = os.system("ping -c 1 -W 1 " + str(ip.str_ip) + " >/dev/null 2>&1")

        if (response == 0):
            # dont update time if already online before call
            if not ip.online:
                # update time
                ip.since = datetime.datetime.now()
            # set online
            ip.online = True
        else:
            ip.online = False


def print_ipinfo(ip_dict):
    for ip_key in ip_dict:
        ip = ip_dict[ip_key]
        print(ip)
    print()


filepath = './iplist.txt'

ip_dict = get_ips(filepath)

while True:
    check_ips(ip_dict)
    print_ipinfo(ip_dict)

    time.sleep(.1)