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
import subprocess

@tool
def get_zh_top_news() -> tuple[str, str]:
    """A tool that retrieves the current top news article's title and URL from www.zerohedge.com.
    
    Returns:
        tuple[str, str]: A tuple containing the article title (str) and its URL (str).
    """
    try:
        # Use curl to fetch the HTML content
        result = subprocess.run(
            ["curl", "-s", "https://www.zerohedge.com"],
            capture_output=True,
            text=True,
            check=True
        )
        html_content = result.stdout
        print(f"DEBUG: Fetched HTML length: {len(html_content)}")  # Debug: Check if content is retrieved

        # Parse HTML with BeautifulSoup
        soup = BeautifulSoup(html_content, "html.parser")

        # Find the first <h2> with class starting with 'Article_title___'
        top_article = soup.find("h2", class_=lambda x: x and x.startswith("Article_title___"))
        
        if not top_article:
            print("DEBUG: No matching <h2> found")
            return "Error: Headline not found", "https://www.zerohedge.com"

        # Extract the <a> tag inside the <h2>
        link_tag = top_article.find("a")
        if not link_tag:
            print("DEBUG: No <a> tag found in top article")
            return "Error: Headline not found", "https://www.zerohedge.com"

        # Get title and URL
        article_title = link_tag.get_text(strip=True) or "No title found"
        article_link = link_tag.get("href") or "https://www.zerohedge.com"

        # Ensure the link is absolute
        if not article_link.startswith("http"):
            article_link = f"https://www.zerohedge.com{article_link}"

        print(f"DEBUG: Title = '{article_title}', Link = '{article_link}'")
        return article_title, article_link

    except subprocess.CalledProcessError as e:
        print(f"Error fetching page with curl: {e}")
        return "Error: Fetch failed", "https://www.zerohedge.com"
    except Exception as e:
        print(f"Error parsing content: {e}")
        return "Error: Headline not found", "https://www.zerohedge.com"

@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)}"

final_answer = FinalAnswerTool()

model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    custom_role_conversions=None,
)

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_zh_top_news, get_current_time_in_timezone, final_answer],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

GradioUI(agent).launch()