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

# Initialize DuckDuckGo search tool
search_tool = DuckDuckGoSearchTool()

@tool
def find_open_restaurants_by_location(location: str, 
                                cuisine: str = None, 
                                rating: float = None, 
                                number_of_options: int = 5
                               )-> str: 
    """A tool that searches for restaurants according to location, cuisine, rating and local time. 
    Args:
        location: A string representing the location area with the optional inclusion of a zip code to search for open restaurants (e.g. Paris, Paris 75005, London, London NW1 4RY).
        cuisine: An optional string representing the cuisine type (e.g. Asian, Indian, Italian, breakfast, lunch, etc.)
        rating: An optional float representing the average customer rating of the restaurant from Google, TripAdvisor, or Yelp.
        number_of_options: An integer representing the number of return options, default set to 5.
    """
    try:
        # Build query dynamically based on provided inputs
        query_parts = [
        f"restaurants open now in {location}",
        f"serving {cuisine} cuisine" if cuisine else "",
        f"rated {rating} or higher" if rating else "",
        ]
        query = " ".join(filter(None, query_parts))
        search_results = search_tool(query)  

        if not search_results:
            return f"❌ No matching restaurants found in {location} at {local_time} fulfilling desired requests."

        # Ensure search_results is a list before iterating    
        if isinstance(search_results, list) and len(search_results) > 0:
            results_str = "\n".join(
                [f"{result.get('title', 'Unknown')} - {result.get('url', 'No URL')}" for result in search_results[:number_of_options]]
            )
        else:
            results_str = str(search_results)  # Convert to string if it's not a list

        return f"🍽️ Open restaurants in {location}:\n\n{results_str}"

    except Exception as e:
        return f"❌ Error finding restaurants: {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=0.0,
model_id= model_id,# 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, find_open_restaurants_by_location], ## 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()