import json
import logging
from time import sleep

from pyhamtools.locator import locator_to_latlong

from core.enums import ActivityName, ActivityRefType
from data.activity_ref import ActivityRef
from providers.activityrefdata.file_download_activity_ref_data_provider import (
    FileDownloadActivityRefDataProvider,
)

logger = logging.getLogger(__name__)


class PARC(FileDownloadActivityRefDataProvider):
    """Activity ref data provider for Protected Area Radiu Community"""

    POLL_INTERVAL_DAYS = 30
    ACTIVITY = ActivityName.PARC
    DATA_URL = "https://parc-community.com/api/partner/parks?format=json"

    def __init__(self, provider_config):
        # Ensure there is an API key in our config, and set up the query URL using it. If no key is provided,
        # disable this spot provider.
        api_key = provider_config.get("api_key", "")
        if api_key == "":
            provider_config["enabled"] = False
            logger.warning(
                "PARC activity reference provider configured but no api key was provided, this API will not be queried."
            )

        super().__init__(self.ACTIVITY, provider_config, self.DATA_URL + "&key=" + api_key, self.POLL_INTERVAL_DAYS)

    def _http_response_to_data(self, http_response):
        new_data = []
        # Use stdlib json rather than http_response.json(), as the PARC data can contain NaN values which simplejson
        # rejects
        data = json.loads(http_response.text)
        for ref in data["parks"]:
            ref_id = ref["reference"]
            name = ref["name"]
            grid = ref["grid"]
            lat = ref["latitude"]
            lon = ref["longitude"]

            # grid, lat & lon can all be null, but sometimes we have grid but not lat/lon
            if grid and (lat is None or lon is None):
                lat, lon = locator_to_latlong(grid)

            new_data.append(
                ActivityRef(
                    activity=self.ACTIVITY,
                    id=ref_id,
                    # Name is sometimes NaN, not even a string somehow?
                    name=name if isinstance(name, str) else None,
                    ref_type=ActivityRefType.PARK,
                    url=f"https://parc-community.com/parks/{ref_id}",
                    grid=grid,
                    latitude=lat,
                    longitude=lon,
                )
            )

            # Bail out if a stop has been requested, i.e. the program is shutting down - no need to parse the rest
            # of the data in this case
            if self._stop_event.is_set():
                break

            # Very short pause. This will extend the time to handle activity refs by a few seconds but will ensure some time
            # is available for other threads e.g. the web server.
            sleep(0.001)

        return new_data