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

from Gradio_UI import GradioUI

@tool
def get_weather(city: str) -> str:
    """
    A tool that fetches the current weather for the specified city.
    Args:
        city (str): Name of the city (e.g. 'Athens', 'New York' etc.)
    """
    api_key = os.getenv("OPEN_WEATHER_API")
    base_url = "https://api.openweathermap.org/data/2.5/weather"
    params = {"q": city, "appid": api_key, "units": "metric", "lang": "en"}
    
    try:
        response = requests.get(base_url, params=params)
        response.raise_for_status()  # Raise an exception for HTTP errors
        
        data = response.json()
        weather_desc = data["weather"][0]["description"]
        temp = data["main"]["temp"]
        return f"The weather in {city} is {weather_desc} with a temperature of {temp}°C."
    
    except requests.exceptions.HTTPError as e:
        return f"HTTP Error: {e.response.status_code} - {e.response.reason}"
    except Exception as e:
        return f"Error fetching weather: {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, get_weather], ## 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()