import urllib.request
import json
import socket
from datetime import datetime

machine_name = socket.gethostname()
url = "http://192.168.50.27:5000/lookup"
payload = {
    "name": machine_name,
}

def get_data():
    data = json.dumps(payload).encode("utf-8")

    req = urllib.request.Request(
        url,
        headers={"Content-Type": "application/json"},
        data=data,
        method="POST"
    )

    try:
        with urllib.request.urlopen(req, timeout=10) as response:
            data = response.read()
            json_data = json.loads(data)
            print(json_data)
            return json_data
    except:
        return None

data = get_data()
if data is None or data["noshutdown"] == 1:
    exit

time = datetime.strptime(data["time"], "%H:%M").time()
now = datetime.now().time()
print(time)
print(now)
print(now - time)