from __future__ import annotations

import csv
from time import sleep
from typing import Any

import requests

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


class DMUE(FileDownloadActivityRefDataProvider):
    """Activity ref data provider for Diploma Museos de España"""

    POLL_INTERVAL_DAYS = 365
    ACTIVITY = ActivityName.DMUE
    DATA_URL = "https://dmue.radiogalena.es/nom_dmue.csv"

    def __init__(self, provider_config: dict[str, Any]) -> None:
        super().__init__(self.ACTIVITY, provider_config, self.DATA_URL, self.POLL_INTERVAL_DAYS)

    def _http_response_to_data(self, http_response: requests.Response) -> list[ActivityRef]:
        new_data: list[ActivityRef] = []

        for row in csv.reader(http_response.content.decode("utf-8-sig").splitlines(), delimiter=";"):
            if len(row) > 1 and row[0] and row[1]:
                new_data.append(
                    ActivityRef(sig=self.ACTIVITY, id=row[0].strip(), name=row[1].strip(), ref_type=ActivityRefType.BUILDING)
                )

            # 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