from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool

from Gradio_UI import GradioUI
import requests
from typing import Union

@tool 
def my_custom_tool(currency_name: str, currency_value: float, target_currency: str) -> float:
    """A tool that converts an amount from one currency to another using current exchange rates.
    
    Args:
        currency_name: A string representing the source currency code (e.g., 'TRY', 'USD', 'EUR').
        currency_value: A number representing the amount of money in the source currency to convert.
        target_currency: A string representing the target currency code (e.g., 'USD', 'EUR', 'GBP').
    """
    try:
        # Normalize currency codes
        from_currency = currency_name.upper().strip()
        to_currency = target_currency.upper().strip()
        
        # Use a different free API for currency conversion
        url = f"https://open.er-api.com/v6/latest/{from_currency}"
        response = requests.get(url)
        
        # Check if the response is None
        if response is None:
            return f"Error: API returned None response"
            
        data = response.json()
        
        # Check if the API request was successful
        if response.status_code != 200 or data.get('result') != 'success':
            return f"Error: API request failed with status {response.status_code}"
        
        # Check if the target currency is available
        if to_currency not in data.get('rates', {}):
            return f"Error: Target currency {to_currency} not found"
        
        # Get the exchange rate and calculate the converted amount
        exchange_rate = data['rates'][to_currency]
        converted_amount = currency_value * exchange_rate
        
        # Return the converted amount rounded to 2 decimal places
        return round(converted_amount, 2)
        
    except requests.exceptions.RequestException as e:
        return f"Network error: {str(e)}"
    except KeyError as e:
        return f"Data error: Currency not found - {str(e)}"
    except Exception as e:
        return f"Unexpected error: {str(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').
    """
    try:
        # Create timezone object
        tz = pytz.timezone(timezone)
        # Get current time in that timezone
        local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
        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 = FinalAnswerTool()

# If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
# model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 

model = HfApiModel(
max_tokens=2096,
temperature=0.5,
model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
custom_role_conversions=None,
)


# Import tool from Hub
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[final_answer,get_current_time_in_timezone], ## add your tools here (don't remove final answer)
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()