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

# Custom tools
@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:
        tz = pytz.timezone(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)}"

# DuckDuckGo Search Tool Implementation
@tool
def duckduckgo_search(query: str, max_results: int = 3) -> str:
    """A tool that performs web searches using DuckDuckGo's API.
    Args:
        query: The search query string
        max_results: Maximum number of results to return (default 3)
    """
    try:
        search_results = DuckDuckGoSearchTool().search(query, max_results)
        return "\n\n".join([f"{i+1}. {result['title']}\n{result['body']}\nURL: {result['href']}" 
                          for i, result in enumerate(search_results)])
    except Exception as e:
        return f"Search failed: {str(e)}"

# Initialize core components
final_answer = FinalAnswerTool()
model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='https://wxknx1kg971u7k1n.us-east-1.aws.endpoints.huggingface.cloud',
    custom_role_conversions=None,
)

# Load remote tool
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

# Load prompt templates
with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
# Configure agent with all tools
agent = CodeAgent(
    model=model,
    tools=[
        final_answer,
        duckduckgo_search,
        image_generation_tool,
        get_current_time_in_timezone
    ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

# Launch the interface
GradioUI(agent).launch()