from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
import yfinance as yf

from Gradio_UI import GradioUI

# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def calculator(a: int, b: int, oper: str)-> 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 functions as a calculator between two arguments and performs the selected operation. 
    Args:
        a: the first argument
        b: the second argument
        oper: operetion to be performed. Either "add", "sub", "mult" or "div".
    """
    if oper == "add":
        result = a + b
    elif oper == "sub":
        result = a - b
    elif oper == "mult":
        result = a * b
    elif oper == "div":    
        if b == 0:
            return "Error: Division by zero."
        result = a / b
    else:
        return "Error: Invalid operation."

    return str(result)

@tool
def get_todays_stock(ticker: str) -> tuple:
    """A tool that that fetches today's stock data for a selected company. 
    Args:
        ticker: The stock's ticker symbol, which is a unique abbreviation assigned to publicly traded companies.
    """
    try:
        stock = yf.Ticker(ticker)
        data = stock.history(period="1d")

        if data.empty:
            raise ValueError(f"No data available for {ticker}. Check if the ticker is correct.")

        latest = data.iloc[-1]
        return {
            "Date": latest.name.date(),
            "Open": latest["Open"],
            "High": latest["High"],
            "Low": latest["Low"],
            "Close": latest["Close"],
            "Volume": latest["Volume"]
        }
    
    except ValueError as ve:
        return {"Error": str(ve)}
    
    except Exception as e:
        return {"Error": f"An unexpected error occurred: {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()
model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    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, 
           DuckDuckGoSearchTool(), 
           
           # Mine
           calculator, 
           get_todays_stock,
           
           get_current_time_in_timezone,
           image_generation_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()