import gzip
import logging
import urllib.parse
from datetime import timedelta

import xmltodict
from diskcache import Cache
from pyhamtools import LookupLib, Callinfo, callinfo
from pyhamtools.exceptions import APIKeyMissingError
from pyhamtools.locator import latlong_to_locator
from requests.exceptions import ConnectionError, ReadTimeout, ConnectTimeout
from requests_cache import CachedSession

from core.config import config
from core.constants import HTTP_HEADERS, HAMQTH_PRG
from core.data_providers import DATA_PROVIDERS
from core.data_store import DATA_STORE
from core.url_data_cache import URLDataCache
from data.callsign import Callsign


def get_call_info(callsign, lookup_credentials):
    """Utility method to get the best set of data for a callsign as we can, using all enabled providers.
    lookup_credentials is an optional object that carries the user's QRZ.com/HamQTH credentials, if they provided them,
    to enable lookup using those providers."""

    callsign = Callsign(call=callsign)
    for p in DATA_PROVIDERS.callsign_data_providers:
        # Get new lookup data
        data = p.lookup(callsign, lookup_credentials)
        if data:
            # Merge in turn, replacing any existing content where we have it.
            for key, value in data.__dict__.items():
                if value is not None:
                    callsign.__dict__[key] = value

    return callsign