from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool

from bs4 import BeautifulSoup
from sklearn.feature_extraction.text import TfidfVectorizer
from sklearn.metrics.pairwise import cosine_similarity

import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool

from Gradio_UI import GradioUI

def categorize_content(text, categories):
    """Categorizes text using NLP and TF-IDF similarity."""
    vectorizer = TfidfVectorizer()
    category_texts = list(categories.values())
    category_names = list(categories.keys())
    tfidf_matrix = vectorizer.fit_transform([text] + category_texts)
    similarities = cosine_similarity(tfidf_matrix[0:1], tfidf_matrix[1:]).flatten()
    return category_names[similarities.argmax()] if similarities.any() else "Uncategorized"


@tool
def scrape_webpage(url:str, categories:dict = None)-> str: #it's import to specify the return type
    #Keep this format for the description / args / args description but feel free to modify the tool
    """A tool that scrapes a webpage and categorizes the content using NLP.
    Args:
        url: the first argument
        categories: A dictionary with category names as keys and example text as values.
    """
    try:
        response = requests.get(url, timeout=10)
        response.raise_for_status()
        soup = BeautifulSoup(response.text, "html.parser")
        text_content = ' '.join(soup.stripped_strings)
        if categories:
            category = categorize_content(text_content, categories)
            return f"The following text content {text_content} was scaped from {url} and categorized as: {category}"
        else:
            return "The following text content was scaped: %s" % text_content
    except requests.RequestException as e:
        return f"Error fetching webpage: {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()
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, scrape_webpage], ## 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()