from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
from PIL import Image
import datetime
import os
import io
import qrcode
import base64
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool

from Gradio_UI import GradioUI

def image_path_to_markdown(path: str) -> str:
    try:
        with open(path, "rb") as f:
            img_bytes = f.read()
        img_base64 = base64.b64encode(img_bytes).decode("utf-8")
        return f"![Generated Image](data:image/png;base64,{img_base64})"
    except Exception as e:
        return f"Image saved at: {path} (Failed to embed image: {str(e)})"


# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def my_custom_tool(text:str, size:int = 200)-> str: #it's import to specify the return type
    #Keep this format for the description / args / args description but feel free to modify the tool
    """A tool that generates a QR Code for taxt or URLs
    Args:
        text: The text or the URL to make into a QR Code
        size: Size in pixels (200 by default)
    """

    try:
        qr = qrcode.QRCode(version=1, box_size=size//25, border=4)
        qr.add_data(text)
        qr.make(fit=True)

        img = qr.make_image(fill_color="black", back_color="white")
        
        # Convert to base64 for display
        buffer = io.BytesIO()
        img.save(buffer, format='PNG')
        img_str = base64.b64encode(buffer.getvalue()).decode()
        
        # Also save file
        filename = f"qr_code_{len(text)}chars.png"
        img.save(filename)
        
        return f"QR code generated for: {text[:50]}...\nSaved as: {filename}\n\n![QR Code](data:image/png;base64,{img_str})"

    except Exception as e:
        return f"Error: {str(e)}"
    #return "What magic will you build ?"

@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
original_image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

@tool
def image_generation_tool(prompt: str) -> str:
    """Generates an image from a prompt and embeds it as base64 in markdown.
    
    Args:
        prompt: The text prompt to generate an image from.
    """
    try:
        # Run the tool and get back a PIL Image object
        image = original_image_generation_tool(prompt)
        
        # Save the image to a file
        filename = f"generated_image_{abs(hash(prompt))}.png"
        image.save(filename)

        # Convert image to base64 for embedding
        with open(filename, "rb") as f:
            img_bytes = f.read()
        img_base64 = base64.b64encode(img_bytes).decode("utf-8")

        return f"Image generated for prompt: '{prompt}'\nSaved as: {filename}\n\n![Generated Image](data:image/png;base64,{img_base64})"

    except Exception as e:
        return f"Error generating image: {str(e)}"



search_tool = DuckDuckGoSearchTool()

with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[final_answer, my_custom_tool, get_current_time_in_timezone, image_generation_tool, search_tool], ## 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()