app/location.py

import requests
from typing import Dict, Any, List, Tuple

# Rough bounding box for Hyderabad, India (approximate)
# swlat, swlng (bottom-left) and nelat, nelng (top-right)
HYD_BBOX = (17.200, 78.200, 17.650, 78.650)

INAT_ENDPOINT = "https://api.inaturalist.org/v1/observations"

def hyderabad_bbox() -> Tuple[float, float, float, float]:
    return HYD_BBOX

def find_observations_in_hyd(taxon_name: str, per_page: int = 30) -> List[Dict[str, Any]]:
    swlat, swlng, nelat, nelng = HYD_BBOX
    params = {
        "taxon_name": taxon_name,
        "swlat": swlat,
        "swlng": swlng,
        "nelat": nelat,
        "nelng": nelng,
        "order": "desc",
        "order_by": "created_at",
        "per_page": per_page,
    }
    r = requests.get(INAT_ENDPOINT, params=params, timeout=30)
    r.raise_for_status()
    data = r.json()
    return data.get("results", [])

def observations_to_markers(observations: List[Dict[str, Any]]):
    markers = []
    for o in observations:
        coords = o.get("geojson", {}).get("coordinates")
        if not coords or len(coords) != 2:
            # fallback
            lat = o.get("location", ",").split(",")[0] if o.get("location") else None
            lng = o.get("location", ",").split(",")[1] if o.get("location") else None
            if lat and lng:
                try:
                    markers.append((float(lat), float(lng), o))
                except Exception:
                    continue
            continue
        lng, lat = coords  # iNat stores as [lng, lat]
        markers.append((lat, lng, o))
    return markers