from smolagents import CodeAgent, HfApiModel, load_tool, tool
import datetime
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
from Gradio_UI import GradioUI

# A simple working tool: Get current time in a timezone
@tool
def get_current_time_in_timezone(timezone: str) -> str:
    """Fetches the current time in a given timezone.
    Args:
        timezone: e.g., 'Asia/Kolkata', '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 time in {timezone} is: {local_time}"
    except Exception as e:
        return f"Invalid timezone '{timezone}': {str(e)}"

# Required tool
final_answer = FinalAnswerTool()

# Hugging Face model setup
model = HfApiModel(
    max_tokens=2048,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct'
)

# Optional: load text-to-image tool
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

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

# Create agent
agent = CodeAgent(
    model=model,
    tools=[final_answer, get_current_time_in_timezone, image_generation_tool],
    max_steps=6,
    verbosity_level=1,
    prompt_templates=prompt_templates
)

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