import logging
import re
from datetime import datetime
from typing import ClassVar

import pytz
import requests

from core.constants import HTTP_HEADERS
from core.enums import ActivityName, Mode
from data.activity_ref import ActivityRef
from data.spot import Spot
from providers.spot.http_spot_provider import HTTPSpotProvider

logger = logging.getLogger(__name__)


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/"
    SUBMITTABLE_ACTIVITIES: ClassVar[list[ActivityName]] = [
        ActivityName.POTA,
        ActivityName.SOTA,
        ActivityName.WWFF,
        ActivityName.HEMA,
        ActivityName.WOTA,
        ActivityName.ZLOTA,
        ActivityName.SIOTA,
        ActivityName.KRMNPA,
        ActivityName.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=Mode.from_name(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 activity information. Sometimes we get an activity of "QRP", which we ignore as it's not a
                # programme with a defined set of references
                activity = source_spot["actClass"].upper()
                ref_id = source_spot["actSiteID"]
                if activity and activity != "" and activity != ActivityName.QRP and ref_id and ref_id != "":
                    spot.sig = activity
                    activity_refs = [
                        ActivityRef(
                            id=source_spot["actSiteID"],
                            sig=source_spot["actClass"].upper(),
                        )
                    ]
                    spot.sig_refs = activity_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"] != "":
                        activity_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 activity not in [
                        ActivityName.POTA,
                        ActivityName.SOTA,
                        ActivityName.WWFF,
                        ActivityName.HEMA,
                        ActivityName.SIOTA,
                        ActivityName.ZLOTA,
                        ActivityName.KRMNPA,
                        ActivityName.SANPCPA,
                        ActivityName.LLOTA,
                    ]:
                        logger.warning(f"PNP spot found with activity {activity}, 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, activity):
        return activity in self.SUBMITTABLE_ACTIVITIES

    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."
            )
        ref_id = spot.sig_refs[0].id if spot.sig_refs else ""
        body = {
            "actClass": spot.sig or "",
            "actCallsign": spot.dx_call,
            "actSite": ref_id,
            "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(f"Parks N Peaks API returned {response.status_code!s}: {response.text}")