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


@tool
def my_custom_tool(arg1: str, arg2: int) -> str:
    """A tool that does something creative
    Args:
        arg1: the first argument
        arg2: the second argument
    """
    return f"Processing '{arg1}' with value {arg2}!"


@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:
        tz = pytz.timezone(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 generate_image(prompt: str) -> str:
    """Generate an image from a text prompt and display it
    Args:
        prompt: Description of the image to generate (e.g., 'a sunset over mountains')
    """
    try:
        # Generate the image
        image = image_generation_tool(prompt)
        
        # Create output directory if it doesn't exist
        os.makedirs("generated_images", exist_ok=True)
        
        # Save the image with timestamp
        from datetime import datetime as dt
        timestamp = dt.now().strftime("%Y%m%d_%H%M%S")
        filename = f"generated_images/image_{timestamp}.png"
        image.save(filename)
        
        # Return the image path so Gradio can display it
        return filename  # Return just the filename/path
        
    except Exception as e:
        return f"Error generating image: {str(e)}"


# Initialize model - use HfApiModel
model = HfApiModel(
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    token=os.getenv("HF_TOKEN")  # Set HF_TOKEN environment variable
)


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


# Load image generation tool
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)


# Create agent with tools
final_answer = FinalAnswerTool()
search_tool = DuckDuckGoSearchTool()


agent = CodeAgent(
    model=model,
    tools=[
        final_answer,
        search_tool,
        my_custom_tool,
        get_current_time_in_timezone,
        generate_image,  # Use the new tool instead
        image_generation_tool
    ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


# Launch with image display enabled
GradioUI(agent).launch(show_error=True)