from smolagents import Tool
from typing import Any, Optional

class SimpleTool(Tool):
    name = "get_coordinates"
    description = "Retrieves the geographical coordinates (latitude and longitude) of a city."
    inputs = {"city":{"type":"string","description":"The name of the city to retrieve coordinates for."}}
    output_type = "array"

    def forward(self, city: str) -> tuple[float, float]:
        """
        Retrieves the geographical coordinates (latitude and longitude) of a city.

        Args:
            city (str): The name of the city to retrieve coordinates for.

        Returns:
            tuple[float, float]: The latitude and longitude of the city, or None if the coordinates could not be retrieved.
        """
        import requests
        API_KEY = "d8376952ee1e3b3e591cec518a7d41cb"
        api_url = f"http://api.openweathermap.org/geo/1.0/direct?q={city}&limit=1&appid={API_KEY}"
        try:
            response = requests.get(api_url)
            response.raise_for_status()
            data = response.json()
            if data:
                return data[0]["lat"], data[0]["lon"]
            else:
                return None
        except (requests.RequestException, ValueError, KeyError) as e:
            print(f"Error retrieving coordinates: {e}")
            return None