from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
from tools.ocr import ocr_tool
from tools.reconcile import reconcile_documents

from Gradio_UI import GradioUI

# Below is an example of a tool that does nothing. Amaze us with your creativity !

@tool 
def reconcile_documents(text1:str, text2:str) -> str:
    """Compares two text documents and identifies differences using LLM analysis.
    Args:
        text1: First document text
        text2: Second document text
    """
    prompt = f"""Perform detailed comparison of these two documents:
    
    Document 1:
    {text1}
    
    Document 2:
    {text2}
    
    Identify and list:
    1. Numerical discrepancies
    2. Missing information
    3. Formatting differences
    4. Semantic contradictions
    
    Final verdict: Are these documents substantially equivalent?"""
    
    return f"Comparison request queued: {prompt[:200]}..."  # Actual comparison done through agent

    



@tool 
def ocr_tool(image_path: str) -> str:
    """Extracts text from images or scanned documents using OCR.
    Args:
        image_path: Path to the image file
    """
    try:
        ocr_engine = PaddleOCR(use_angle_cls=True, lang='en')
        result = ocr_engine.ocr(image_path, cls=True)
        texts = [line[1][0] for line in result[0]] if result else []
        return "\n".join(texts)
    except Exception as e:
        return f"OCR Error: {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 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], ## 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()