import os
import os.path
import json

from datetime import datetime

DATE_FORMAT = '%d-%m-%Y %H:%M:%S'

DATADIR = './data'


def get_json_files():

    for root, _, files in os.walk(DATADIR):
        for f in files:
            if f.endswith('.json'):
                yield os.path.join(root, f)


def check_all_servers():

    for f in get_json_files():
        try:
            with open(f, encoding='utf-8') as file_object:
                data = json.load(file_object)

            with open(f, mode='w', encoding='utf-8') as file_object:

                date = datetime.strptime(data['last_updated'],
                                         DATE_FORMAT)
                now = datetime.utcnow()

                delta = now - date

                if delta.seconds >= 3600:
                    status = 'Offline'
                elif delta.second >= 1200:
                    status = 'Unkown'
                else:
                    status = None

                if status:
                    for key in ('server_status', 'tor_status'):
                        data[key] = status

                json.dump(data, file_object)
        except:
            continue


if __name__ == '__main__':
    check_all_servers()