from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
from typing import List, Dict, Union
import time


from Gradio_UI import GradioUI

# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def get_city_coordinates(city_name: str, country_code: str = None) -> List[Dict[str, Union[str, float]]]:
    #Keep this format for the description / args / args description but feel free to modify the tool
    """
    A tool that retrieves geographical coordinates and location details for a given city using Nominatim API.

    The function queries OpenStreetMap's Nominatim service to get location data.
    It includes a 1-second delay to respect API rate limits and returns multiple matches if found.

    Args:
        city_name: Name of the city to search for
        country_code: Optional two-letter country code (ISO 3166-1 alpha-2) to filter results
    """
    time.sleep(1)  # Rate limiting
    
    params = {
        'q': city_name,
        'format': 'json',
        'addressdetails': 1,
        'countrycodes': country_code if country_code else None
    }
    
    try:
        response = requests.get(
            "https://nominatim.openstreetmap.org/search",
            params={k: v for k, v in params.items() if v is not None},
            headers={'User-Agent': 'MyGeocodingApp/1.0'}
        )
        response.raise_for_status()
        
        return [{
            'name': city_name,
            'latitude': float(result['lat']),
            'longitude': float(result['lon']),
            'country': result['address'].get('country', 'Unknown'),
            'state': result['address'].get('state', 'Unknown'),
            'type': result['type']
        } for result in response.json()]
        
    except requests.exceptions.RequestException as e:
        print(f"Error fetching coordinates: {e}")
        return []

@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=[get_city_coordinates, get_current_time_in_timezone, final_answer], ## 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()