import requests
import re



# Function to get weather information

def get_weather_info(location):
    """Fetch weather information for the specified location."""
    url = f"http://api.weatherapi.com/v1/current.json"
    params = {
        "key": weather_api_key,  # Use the secret key
        "q": location,
        "aqi": "no"
    }
    response = requests.get(url, params=params)
    if response.status_code == 200:
        data = response.json()
        weather = data["current"]["condition"]["text"]
        temp = data["current"]["temp_c"]
        return f"The current weather in {location} is {weather} with a temperature of {temp}°C."
    else:
        return "Sorry, I couldn't fetch the weather information."


def preprocess_query(user_input):
    """Process user input for weather queries or normal conversation."""
    
    # Check if the user is asking about the weather
    if "weather" in user_input.lower():
        # Try to extract a location from the user's input (if provided)
        location = extract_location(user_input)
        return get_weather_info(location)
    else:
        # Continue with the regular conversation
        return user_input

def extract_location(user_input):
    """Try to extract a location from the user's input."""
    # Define a simple regex to match common location patterns (e.g., 'weather in London', 'What is the weather in New York?')
    match = re.search(r"weather in (\w+|\w+\s\w+)", user_input, re.IGNORECASE)
    
    if match:
        # If a location is found, return it
        return match.group(1)
    else:
        # If no location is specified, return a default (e.g., "London")
        return "London"