from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
import datetime
from datetime import timedelta
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 my_custom_tool(arg1: str, arg2: int) -> str:
    """
    A tool that does nothing yet 
    Args:
        arg1: the first argument
        arg2: the second argument
    """
    return "What magic will you build ?"


@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)}"


@tool
def get_news_about_rome_last_25_hours() -> str:
    """
    Fetches news articles about Rome from the last 30 hours using NewsAPI.
    No arguments are needed; the API key is hard-coded for demonstration purposes.
    """
    api_key = "3e9552668ced43b8a7c6a9bbfdba8184"  # Provided NewsAPI key
    # Calculate the UTC time 30 hours ago
    from_date = datetime.datetime.utcnow() - timedelta(hours=30)
    from_date_iso = from_date.isoformat("T") + "Z"  # Convert to ISO 8601 format

    params = {
        "q": "Rome",
        "from": from_date_iso,
        "sortBy": "publishedAt",
        "apiKey": api_key
    }
    url = "https://newsapi.org/v2/everything"

    try:
        response = requests.get(url, params=params)
        data = response.json()

        if data.get("status") != "ok":
            return f"NewsAPI error: {data}"

        articles = data.get("articles", [])
        if not articles:
            return "No articles found about Rome in the last 25 hours."

        summary = [f"Found {len(articles)} articles about Rome in the last 25 hours:\n"]
        for i, article in enumerate(articles, start=1):
            title = article.get("title", "No Title")
            source_name = article["source"].get("name", "Unknown Source")
            published_at = article.get("publishedAt", "No Date")
            article_url = article.get("url", "")
            summary.append(
                f"{i}. {title}\n"
                f"   Source: {source_name}\n"
                f"   Published At: {published_at}\n"
                f"   URL: {article_url}\n"
            )
        return "\n".join(summary)

    except Exception as e:
        return f"Error while fetching news about Rome: {str(e)}"


# Final answer tool (do not remove)
final_answer = FinalAnswerTool()

# Model configuration
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)

# Add your custom tools to the agent
agent = CodeAgent(
    model=model,
    tools=[
        final_answer,                # Must not remove final_answer
        my_custom_tool,             # Your "does-nothing" tool
        get_current_time_in_timezone,
        get_news_about_rome_last_25_hours
        # image_generation_tool,     # You can add more as needed
    ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

# Launch the Gradio UI
GradioUI(agent).launch()