import os
import time

import syncthing_monitor.config_xml as xml
from .etcd_client import EtcdClient
from .syncthing_client import SyncthingClient

DEFAULT_ST_CONFIG_XML_PATH = '/config/config.xml'
DEFAULT_ST_GUI_PORT = 8384


def loop(gui_port="8384", host="sync"):
    api_key = xml.parse_api_key(DEFAULT_ST_CONFIG_XML_PATH)
    print("Found API Key: {0}".format(api_key))

    xml.set_listen_ip_to_any(DEFAULT_ST_CONFIG_XML_PATH, DEFAULT_ST_CONFIG_XML_PATH, DEFAULT_ST_GUI_PORT)

    syncthing = SyncthingClient(api_key, host, gui_port)
    my_device_id = syncthing.get_my_device_id()
    print("Found Device ID: {0}".format(my_device_id))

    my_syncthing_hostname = os.getenv('SYNCTHING_HOSTNAME')

    etcd = EtcdClient('etcd')
    updater = Updater(etcd, syncthing)
    etcd.register_device_update_handler(updater.update_devices)
    etcd.append_device_id(my_device_id, my_syncthing_hostname)

    while True:
        time.sleep(1)


class Updater:
    def __init__(self, etcd, syncthing):
        self.etcd = etcd
        self.syncthing = syncthing

    # noinspection PyUnusedLocal
    def update_devices(self, event):
        device_list = self.etcd.get_device_list()
        self.syncthing.add_devices(device_list)
        self.syncthing.print_config()


if __name__ == "__main__":
    loop()