"""Open-Meteo weather for nomad cities."""

from __future__ import annotations

import httpx

from app.data.platform_data import WEATHER_CITIES


async def get_city_weather(slug: str) -> dict | None:
  meta = WEATHER_CITIES.get(slug)
  if not meta:
    return None
  url = (
    "https://api.open-meteo.com/v1/forecast"
    f"?latitude={meta['lat']}&longitude={meta['lng']}"
    "&current=temperature_2m,relative_humidity_2m,wind_speed_10m,weather_code"
    "&timezone=auto"
  )
  try:
    async with httpx.AsyncClient(timeout=8) as client:
      res = await client.get(url)
      res.raise_for_status()
      data = res.json()
    cur = data.get("current") or {}
    return {
      "slug": slug,
      "name": meta["name"],
      "temperature": cur.get("temperature_2m"),
      "humidity": cur.get("relative_humidity_2m"),
      "wind_speed": cur.get("wind_speed_10m"),
      "weather_code": cur.get("weather_code"),
    }
  except (httpx.HTTPError, KeyError):
    return {"slug": slug, "name": meta["name"], "temperature": None, "error": "unavailable"}


async def list_weather() -> list[dict]:
  results = []
  for slug in WEATHER_CITIES:
    w = await get_city_weather(slug)
    if w:
      results.append(w)
  return results