import csv
from time import sleep

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


class WWBOTA(FileDownloadActivityRefDataProvider):
    """Activity ref data provider for Worldwide Bunkers on the Air"""

    POLL_INTERVAL_DAYS = 30
    ACTIVITY = ActivityName.WWBOTA
    DATA_URL = "https://api.wwbota.org/bunkers/?format=CSV"

    def __init__(self, provider_config):
        super().__init__(self.ACTIVITY, provider_config, self.DATA_URL, self.POLL_INTERVAL_DAYS)

    def _http_response_to_data(self, http_response):
        new_data = []
        for row in csv.DictReader(http_response.content.decode("utf-8-sig").splitlines()):
            ref_id = row["Reference"]
            new_data.append(
                ActivityRef(
                    sig=self.ACTIVITY,
                    id=ref_id,
                    name=row.get("Name", None),
                    ref_type=ActivityRefType.BUNKER,
                    url=f"https://bunkerwiki.org/?s={ref_id}" if ref_id.startswith("B/G") else None,
                    grid=row["Locator"] if "Locator" in row and row["Locator"] != "" else None,
                    latitude=float(row["Lat"]) if "Lat" in row and row["Lat"] != "" else None,
                    longitude=float(row["Long"]) if "Long" in row and row["Long"] != "" else None,
                )
            )

            # 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