functionalities.py

from smolagents import tool
import requests

@tool
def suggest_outfit(occasion: str) -> str:
    """
    Suggests an outfit based on the occasion type.
    Args:
        occasion (str): One of "casual", "formal", "active", or "custom".
    Returns:
        str: A recommended outfit description suitable for the occasion.
    """
    if occasion == "casual":
        return "T‑shirt, Jeans and sneakers."
    elif occasion == "formal":
        return "White shirt, tie, blue suit and Oxford shoes."
    elif occasion == "active":
        return "Jogging trousers, T‑shirt and trainers."
    else:
        return "Custom outfit for the fashion advisor."

@tool
def define_coordinates(city: str) -> dict:
    """
    Looks up geographic coordinates and timezone for a city.
    Args:
        city (str): Name of the city to geocode.
    Returns:
        dict: Contains "latitude", "longitude", and "timezone",
              or {"error": "..."} if lookup fails.
    """
    city = city.strip()
    if not city:
        return {"error": "City name cannot be empty."}
    url = f"https://geocoding‑api.open‑meteo.com/v1/search?name={city}&count=1"
    resp = requests.get(url); data = resp.json()
    if not data.get("results"):
        return {"error": f"No location found for city: {city}"}
    r = data["results"][0]
    return {"latitude": r["latitude"], "longitude": r["longitude"], "timezone": r["timezone"]}

@tool
def get_weather(city: str) -> dict:
    """
    Retrieves current weather (temp, wind, code, description) for a city.
    Args:
        city (str): Name of the city to fetch weather for.
    Returns:
        dict: Keys include "temperature", "wind_speed", "weather_code",
              "description", and "summary", or {"error": "..."} if failure.
    """
    coords = define_coordinates(city)
    if "error" in coords:
        return {"error": coords["error"]}
    url = (
        f"https://api.open‑meteo.com/v1/forecast?"
        f"latitude={coords['latitude']}&longitude={coords['longitude']}"
        f"&current_weather=true&timezone={coords['timezone']}"
    )
    resp = requests.get(url); data = resp.json()
    cw = data["current_weather"]
    code = cw["weathercode"]
    # classify code
    (desc := (
      "clear sky" if code==0 else
      "mainly clear to partly cloudy" if 1<=code<=3 else
      "fog" if code in (45,48) else
      "drizzle" if 51<=code<=57 else
      "rain" if 61<=code<=67 else
      "snow" if 71<=code<=77 else
      "rain showers" if 80<=code<=82 else
      "snow showers" if 85<=code<=86 else
      "thunderstorm" if code==95 else
      "thunderstorm with hail" if 96<=code<=99 else
      "unknown"
    ))
    return {
        "temperature": cw["temperature"],
        "wind_speed": cw["windspeed"],
        "weather_code": code,
        "description": desc,
        "summary": f"Temperature in {city}: {cw['temperature']}°C, wind {cw['windspeed']} km/h, {desc}."
    }