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

from bs4 import BeautifulSoup


@tool
def factorial(n: int) -> int:
    """A tool that calculates factorial
    Args:
        n (int): Integer (n >= 0).
    """
    if n < 0:
        raise ValueError("The factorial is defined only for non-negative numbers.")
    if n == 0 or n == 1:
        return 1
    return n * factorial(n - 1)

@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)}"

@tool
def google_search(query: str) -> str:
    """A tool that performs a Google search using a given query and retrieves search result titles and URLs.
    Args:
        query (str): The search term or phrase to look up on Google.
    """
    headers = {'User-Agent': 'Mozilla/5.0'}
    response = requests.get(f'https://www.google.com/search?q={query}', headers=headers)
    if response.status_code == 200:
        soup = BeautifulSoup(response.text, 'html.parser')
        results = []
        
        for g in soup.find_all('div', class_='g'):
            title_tag = g.find('h3')
            link_tag = g.find('a')
            
            if title_tag and link_tag:
                title = title_tag.text
                link = link_tag['href']
                results.append(f"Title: {title}\nLink: {link}\n")

        return "\n".join(results) if results else "No results found."
    else:
        return f"Failed to retrieve search results. HTTP Status Code: {response.status_code}"


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
model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud', # this works
#model_id='bk1832004/an-image-generator', #doesn't work or too slow
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, google_search, image_generation_tool, factorial], ## 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()