from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
import cv2
from PIL import Image
from Gradio_UI import GradioUI

# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def gaussian_blur(image_path: str, output_path: str, kernel_size: int, sigma: int) -> str:
    """
    Applies Gaussian blur to an image and saves the output.
    This function reads an image, applies a Gaussian blur with the given 
    kernel size and sigma, and saves the processed image to the output path.

    Args:
        image_path: The file path of the input image.
        output_path: The file path where the blurred image will be saved.
        kernel_size: The size of the Gaussian blur kernel (must be an odd number).
        sigma: The standard deviation for the Gaussian kernel.
    """
    image = cv2.imread(image_path)
    if image is None:
        raise ValueError(f"Could not load image from {image_path}")

    # Ensure kernel_size is an odd number (OpenCV requires it)
    if kernel_size % 2 == 0:
        kernel_size += 1

    blurred_image = cv2.GaussianBlur(image, (kernel_size, kernel_size), sigma)
    cv2.imwrite(output_path, blurred_image)
    
    return output_path

@tool
def display_image(image_path: str) -> Image.Image:
    """
    Loads and returns an image from the specified file path.

    This function opens an image using Pillow and returns the loaded image object.
    It raises an error if the file cannot be found or opened.

    Args:
        image_path: The path to the image file.

    Returns:
        Image.Image: The loaded image object.

    Raises:
        ValueError: If the image cannot be opened.
    """
    try:
        image = Image.open(image_path)
        return image
    except Exception as e:
        raise ValueError(f"Error opening image: {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=[image_generation_tool, get_current_time_in_timezone, gaussian_blur, display_image, DuckDuckGoSearchTool(), final_answer], ## 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()