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


CITY_COORDINATES = {
    "Paris": (48.8566, 2.3522),
    "Dakar": (14.6928, -17.4467),
    "New York": (40.7128, -74.0060),
    "Tokyo": (35.6895, 139.6917),
}

@tool
def get_weather(city:str)-> str: 
    """
    Fetch the current weather for a given city using Open-Meteo.

    Args:
        city (str): Name of the city (must be in CITY_COORDINATES)
    
    Returns:
        str: Text summary of the current temperature and wind speed.
    """
    try:
        if city not in CITY_COORDINATES:
            return f"City '{city}' not found in coordinates table."
        
        lat, lon = CITY_COORDINATES[city]
        url = f"https://api.open-meteo.com/v1/forecast?latitude={lat}&longitude={lon}&current_weather=true"
        response = requests.get(url)
        if response.status_code != 200:
            return f"Error fetching weather for {city} (status: {response.status_code})"
        
        data = response.json()
        weather = data["current_weather"]
        temp = weather["temperature"]
        wind = weather["windspeed"]
        return f"The current weather in {city}: {temp}°C, wind {wind} km/h"
    
    except Exception as e:
        return f"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, DuckDuckGoSearchTool(), image_generation_tool, get_weather],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()