from smolagents import CodeAgent, HfApiModel, tool
from smolagents.default_tools import FinalAnswerTool
import datetime
import pytz
import yaml
import geopy
from geopy.geocoders import Nominatim
import pycountry

# Define your tools
@tool
def get_currency_from_timezone(timezone: str) -> str:
    """A tool that returns the official currency of the location specified in the timezone
    Args:
        timezone: A string representing a valid timezone as city. (e.g London)
    """
    print(f"get_currency_from_timezone called with timezone: {timezone}") # ADD THIS LINE
    try:
        geolocator = Nominatim(user_agent="currency_finder")
        location = geolocator.geocode(timezone)
        if location:
            address_parts = location.address.split(",")
            country_name = address_parts[-2].strip()

            try:
                country = pycountry.countries.search_fuzzy(country_name)[0]
                if hasattr(country, 'currencies'):
                    print(f"get_currency_from_timezone returning currency: {currency_info}")
                    return ", ".join(country.currencies)  # Return currencies as a comma-separated string
                else:
                    return f"No currency information found for {country_name}"

            except LookupError:
                return f"Country '{country_name}' not found."
        else:
            return f"Location '{timezone}' not found." # Corrected variable name

    except Exception as e:
        return f"An error occurred: {e}"

@tool
def get_current_time_in_timezone(timezone: str) -> str:
    """A tool that fetches the current local time in a specified timezone.
    Args:
        timezone: A string representing a valid timezone (e.g., 'America/New_York').
    """
    print(f"get_current_time_in_timezone called with timezone: {timezone}") # ADD THIS LINE
    try:
        tz = pytz.timezone(timezone)
        local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
        print(f"get_current_time_in_timezone returning time: {local_time_str}") 
        return f"The current local time in {timezone} is: {local_time}"
    except Exception as e:
        return f"Error fetching time for timezone '{timezone}': {str(e)}"

final_answer_tool = FinalAnswerTool() # Initialize FinalAnswerTool

# Model setup
model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    custom_role_conversions=None,
)

# Load prompt templates
with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)

# Initialize CodeAgent - CORRECT WAY TO USE CodeAgent
agent = CodeAgent(
    model=model,
    tools=[get_currency_from_timezone, get_current_time_in_timezone, final_answer_tool], # Use final_answer_tool instance
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name="TimeZoneCurrencyAgent", # Give your agent a name
    description="An agent that can fetch the current time and currency for a given location.", # Add a description
    prompt_templates=prompt_templates,
)

from Gradio_UI import GradioUI # Import GradioUI after agent definition

GradioUI(agent).launch()