from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
import datetime
import requests
import pytz
import yaml
import torch
from diffusers import StableDiffusionPipeline
from pathlib import Path
from typing import Optional
from tools.final_answer import FinalAnswerTool
from Gradio_UI import GradioUI

@tool
def generate_image_tool(
    prompt: str,
    model_name: str = "stabilityai/stable-diffusion-2-1",
    num_inference_steps: int = 50,
    output_path: str = "generated_image.png"
) -> str:
    """A tool for generating images from text prompts using Stable Diffusion.
    Args:
        prompt: Text description of the image (must be SFW)
        model_name: AI model to use (default: stabilityai/stable-diffusion-2-1)
        num_inference_steps: Quality steps (20-100)
        output_path: Where to save the image
    """
    # Safety check
    unsafe_keywords = ["nude", "porn", "explicit", "adult", "nsfw"]
    if any(kw in prompt.lower() for kw in unsafe_keywords):
        return "Error: Content policy violation detected in prompt"

    try:
        pipe = StableDiffusionPipeline.from_pretrained(
            model_name,
            torch_dtype=torch.float16
        ).to("cuda")
        
        image = pipe(
            prompt=prompt,
            num_inference_steps=num_inference_steps
        ).images[0]
        
        Path(output_path).parent.mkdir(parents=True, exist_ok=True)
        image.save(output_path)
        return f"Image generated successfully at: {output_path}"
        
    except Exception as e:
        return f"Image generation failed: {str(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 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"Current time in {timezone}: {local_time}"
    except Exception as e:
        return f"Error: {str(e)}"

final_answer = FinalAnswerTool()

model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    custom_role_conversions=None,
)

with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[generate_image_tool, get_current_time_in_timezone, final_answer],
    max_steps=6,
    verbosity_level=1,
    prompt_templates=prompt_templates,
    grammar=None,
    planning_interval=None,
    name="Creative Assistant",
    description="AI assistant capable of generating images and providing time information"
)

GradioUI(agent).launch()