import asyncio
import datetime
import requests
import pytz
import yaml
from bs4 import BeautifulSoup  # For web scraping
from PIL import Image  # For image processing
from io import BytesIO
from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
from tools.final_answer import FinalAnswerTool
from Gradio_UI import GradioUI

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

# Weather Tool (using wttr.in API, no API key needed)
@tool
def get_weather(city: str) -> str:
    """Fetches the current weather for a given city.
    Args:
        city: The name of the city (e.g., 'London').
    """
    try:
        url = f"https://wttr.in/{city}?format=%C+%t+%w"
        response = requests.get(url)
        return f"Weather in {city}: {response.text}"
    except Exception as e:
        return f"Error fetching weather: {str(e)}"

# Web Scraping Tool (Extracts headlines and articles from a given news website)
@tool
def scrape_news(url: str) -> str:
    """Scrapes headlines and article text from a news website.
    Args:
        url: The URL of the news site.
    """
    try:
        headers = {'User-Agent': 'Mozilla/5.0'}
        response = requests.get(url, headers=headers)
        soup = BeautifulSoup(response.text, 'html.parser')
        
        # Extracting headlines
        headlines = [h.get_text() for h in soup.find_all('h1')][:5]
        articles = [p.get_text() for p in soup.find_all('p')][:5]
        
        return f"Headlines:\n" + "\n".join(headlines) + "\n\nArticles:\n" + "\n".join(articles)
    except Exception as e:
        return f"Error scraping news: {str(e)}"

# Image Generation Tool (uses existing text-to-image tool)
@tool
def generate_image(prompt: str) -> str:
    """Generates an image based on the given text prompt.
    Args:
        prompt: A description of the image to generate.
    """
    try:
        return image_generation_tool.run(prompt)
    except Exception as e:
        return f"Error generating image: {str(e)}"

# Timezone Tool (already in your code)
@tool
def get_current_time_in_timezone(timezone: str) -> str:
    """Fetches the current local time in a specified timezone.
    Args:
        timezone: 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: {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,
)

# Load prompt templates
with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)

agent = CodeAgent(
    model=model,
    tools=[final_answer, get_weather, scrape_news, generate_image],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

GradioUI(agent).launch()