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

# Below is an example of a tool that does nothing. Amaze us with your creativity!
@tool
def search_arxiv(query: str) -> str:
    """Searches arXiv for academic papers.

    Args:
        query (str): The topic or keywords to search for.

    Returns:
        str: A formatted list of found papers with titles, summaries, and links.
    """
    max_results = 5  # Static value for maximum results
    url = f"http://export.arxiv.org/api/query?search_query={query}&max_results={max_results}"
    response = requests.get(url)

    if response.status_code == 200:
        papers = []
        for entry in response.text.split("<entry>")[1:max_results+1]:
            title = entry.split("<title>")[1].split("</title>")[0].strip()
            summary = entry.split("<summary>")[1].split("</summary>")[0].strip()
            link = entry.split("<id>")[1].split("</id>")[0].strip()
            papers.append(f"Title: {title}\nSummary: {summary}\nLink: {link}\n")

        return "\n\n".join(papers)

    return "No papers found."

@tool
def summarize_text(text: str) -> str:
    """Summarizes long academic papers or articles.
    Args:
        text: The text to summarize.
    """
    model = HfApiModel(
        max_tokens=512,
        temperature=0.5,
        model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    )
    return model.generate(f"Summarize this research paper: {text}")

@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',
)

# 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, search_arxiv, summarize_text, image_generation_tool],  # add your tools here (don't remove final answer)
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name="Research Assistant",
    description=None,
    prompt_templates=prompt_templates
)

GradioUI(agent).launch()