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
import os

hf_token = os.environ.get("HF_API_TOKEN")

if hf_token:
    print("Hugging Face API token found:", hf_token)
else:
    print("Hugging Face API token NOT FOUND!  Please set the HF_API_TOKEN environment variable.")


from huggingface_hub import login

login(hf_token)


@tool
def generate_image(prompt: str) -> str:
    """A tool that generates an image based on the given prompt.
    
    Args:
        prompt: A text description of the image to generate.
    
    Returns:
        The URL or path to the generated image.
    """
    try:
        image_url = image_generation_tool(prompt)
        return image_url
    except Exception as e:
        return f"Error generating image: {str(e)}"

@tool
def web_search(query:str)-> str: 
    """A tool that searches the web
    Args:
        query: a string representing what is to be searched on the web
    """
    search_tool = DuckDuckGoSearchTool()
    try:
        results = search_tool(query)
    except Exception as e:
        return (f"Error: {e}")
    return results

@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, web_search, generate_image], ## 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()