import csv

from data.sig_ref import SIGRef
from sigrefdataproviders.file_download_sig_ref_data_provider import FileDownloadSIGRefDataProvider


class WWFF(FileDownloadSIGRefDataProvider):
    """SIG ref data provider for Worldwide Flora & Fauna"""

    POLL_INTERVAL_DAYS = 30
    SIG = "WWFF"
    DATA_URL = "https://wwff.co/wwff-data/wwff_directory.csv"

    def __init__(self, provider_config):
        super().__init__(self.SIG, 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(SIGRef(sig=self.SIG, id=ref_id, name=row["name"] if "name" in row else None,
                                      url="https://wwff.co/directory/?showRef=" + ref_id,
                                      grid=row["iaruLocator"] if "iaruLocator" in row and row[
                                          "iaruLocator"] != "-" else None,
                                      latitude=float(row["latitude"]) if "latitude" in row and row[
                                          "latitude"] != "" and row["latitude"] != "-" else None,
                                      longitude=float(row["longitude"]) if "longitude" in row and row[
                                          "longitude"] != "" and row["longitude"] != "-" 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

        return new_data