import logging
import re
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 ParksNPeaks(HTTPSpotProvider):
    """Spot provider for Parks n Peaks"""

    POLL_INTERVAL_SEC = 120
    SPOTS_URL = "https://www.parksnpeaks.org/api/ALL"
    SUBMIT_URL = "https://www.parksnpeaks.org/api/SPOT/"
    SIOTA_LIST_URL = "https://www.silosontheair.com/data/silos.csv"
    SUBMITTABLE_SIGS = ["POTA", "SOTA", "WWFF", "HEMA", "WOTA", "ZLOTA", "SIOTA", "KRMNPA", "SANPCPA"]

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

    def _http_response_to_spots(self, http_response):
        new_spots = []
        # Iterate through source data
        if http_response and http_response != "":
            for source_spot in http_response.json():
                # Convert to our spot format
                spot = Spot(source=self.name,
                            source_id=source_spot["actID"],
                            dx_call=source_spot["actCallsign"].upper(),
                            de_call=source_spot["actSpoter"].upper() if source_spot["actSpoter"] != "" else None,
                            # typo exists in API
                            freq=float(source_spot["actFreq"].replace(",", "").replace("+-", "")
                                       .replace("+/-", "").strip()) * 1000000 if (source_spot["actFreq"] != "") else None,
                            # Seen PNP spots with empty frequency, and with comma-separated thousands digits
                            mode=source_spot["actMode"].upper(),
                            comment=source_spot["actComments"],
                            time=datetime.strptime(source_spot["actTime"], "%Y-%m-%d %H:%M:%S").replace(
                                tzinfo=pytz.UTC).timestamp())

                # Extract a de_call if it's in the comment but not in the "actSpoter" field
                m = re.search(r"\(de ([A-Za-z0-9]*)\)", spot.comment or "")
                if not spot.de_call and m:
                    spot.de_call = str(m.group(1))

                # Record SIG information. Sometimes we get a "SIG" of "QRP", which we ignore as it's not a programme with a
                # defined set of references
                sig = source_spot["actClass"].upper()
                sig_ref = source_spot["actSiteID"]
                if sig and sig != "" and sig != "QRP" and sig_ref and sig_ref != "":
                    spot.sig = sig
                    sig_refs = [SIGRef(id=source_spot["actSiteID"], sig=source_spot["actClass"].upper())]
                    spot.sig_refs = sig_refs

                    # Free text location is not present in all spots, so only add it if it's set
                    if "actLocation" in source_spot and source_spot["actLocation"] != "":
                        sig_refs[0].name = source_spot["actLocation"]

                    # Log a warning for the developer if PnP gives us an unknown programme we've never seen before
                    if sig not in ["POTA", "SOTA", "WWFF", "SIOTA", "ZLOTA", "KRMNPA", "SANPCPA", "LLOTA"]:
                        logging.warning("PNP spot found with sig " + sig + ", developer needs to add support for this!")

                # Add new spot to the list
                new_spots.append(spot)
        return new_spots

    def can_submit_spot(self, sig):
        return sig in self.SUBMITTABLE_SIGS

    def submit_spot(self, spot, credentials):
        # TODO test this works
        user_id = credentials.get("user_id", "")
        api_key = credentials.get("api_key", "")
        if not user_id or not api_key:
            raise ValueError(
                "Parks N Peaks user ID and API key are required. Get yours from your Parks N Peaks account.")
        sig_ref = spot.sig_refs[0].id if spot.sig_refs else ""
        body = {
            "actClass": spot.sig or "",
            "actCallsign": spot.dx_call,
            "actSite": sig_ref,
            "mode": spot.mode or "",
            "freq": str(spot.freq / 1000000.0),
            "comments": spot.comment or "",
            "userID": user_id,
            "APIKey": api_key,
        }
        response = requests.post(self.SUBMIT_URL, json=body, headers=HTTP_HEADERS, timeout=(5, 30))
        if not response.ok:
            raise RuntimeError("Parks N Peaks API returned " + str(response.status_code) + ": " + response.text)
