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_news_of_topic_time(topic: str, time: int) -> 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 searches news articles of specified topic that was created before a specified time.
    Args:
        topic: The expected topic of news articles.
        time: A specified time in string (ISO format, e.g., '2025-06-17T12:00:00'). The news article should be created before this time.
    """
    try:
        cutoff_time = datetime.datetime.fromisoformat(time)
        search_tool = DuckDuckGoSearchTool()
        results = search_tool.run(topic)

        filtered_results = []
        for result in results:
            title = result.get("title", "")
            link = result.get("link", "")
            snippet = result.get("body", "")
            date_str = result.get("date", "")

            try:
                if date_str:
                    pub_date = datetime.datetime.fromisoformat(date_str)
                    if pub_date >= cutoff_time:
                        continue
            except Exception:   # Skip if date is not parseable.
                continue

            filtered_results.append(f"- {title}\n  {link}\n  {snippet}")

        if not filtered_results:
            return "No news articles found before the specified time."

    except Exception as e:
        return f"Error during news search: {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()

# 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
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, search_news_of_topic_time], ## 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()