from datetime import datetime

import pytz
import requests

from core.constants import HTTP_HEADERS
from data.sig_ref import SIGRef
from data.spot import Spot
from providers.spot.http_spot_provider import HTTPSpotProvider


class POTA(HTTPSpotProvider):
    """Spot provider for Parks on the Air"""

    POLL_INTERVAL_SEC = 120
    SPOTS_URL = "https://api.pota.app/spot/activator"
    SUBMIT_URL = "https://api.pota.app/spot"

    def __init__(self, provider_config):
        super().__init__("POTA", provider_config, self.SPOTS_URL, self.POLL_INTERVAL_SEC)

    def _http_response_to_spots(self, http_response):
        new_spots = []
        # Iterate through source data
        for source_spot in http_response.json():
            # Convert to our spot format
            spot = Spot(source=self.name,
                        source_id=source_spot["spotId"],
                        dx_call=source_spot["activator"].upper(),
                        de_call=source_spot["spotter"].upper(),
                        freq=float(source_spot["frequency"]) * 1000,
                        mode=source_spot["mode"].upper(),
                        comment=source_spot["comments"],
                        sig="POTA",
                        sig_refs=[SIGRef(id=source_spot["reference"], sig="POTA", name=source_spot["name"],
                                         latitude=source_spot["latitude"], longitude=source_spot["longitude"])],
                        time=datetime.strptime(source_spot["spotTime"], "%Y-%m-%dT%H:%M:%S").replace(
                            tzinfo=pytz.UTC).timestamp(),
                        dx_grid=source_spot["grid6"],
                        dx_latitude=source_spot["latitude"],
                        dx_longitude=source_spot["longitude"])

            # Add to our list. Don't worry about de-duping, removing old spots etc. at this point; other code will do
            # that for us.
            new_spots.append(spot)
        return new_spots

    def can_submit_spot(self, sig):
        return sig == "POTA"

    def submit_spot(self, spot, credentials):
        sig_ref = spot.sig_refs[0].id if spot.sig_refs else None
        if sig_ref:
            body = {
                "activator": spot.dx_call,
                "spotter": spot.de_call,
                "frequency": str(spot.freq / 1000.0),
                "mode": spot.mode or "",
                "reference": sig_ref,
                "comments": spot.comment or "",
                "source": "Spothole",
            }
            headers = {**HTTP_HEADERS, "Content-Type": "application/json"}
            response = requests.post(self.SUBMIT_URL, json=body, headers=headers, timeout=(5, 30))
            if not response.ok:
                raise RuntimeError("POTA API returned " + str(response.status_code) + ": " + response.text)
        else:
            raise RuntimeError("Park reference is required for submitting POTA spots.")
