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

from Gradio_UI import GradioUI

# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def get_stock_performance(ticker: str) -> str:
    """Fetches 3-month price history for a given stock ticker, 
    generates a line chart of closing prices, and summarizes performance.
    
    Args:
        ticker: Stock symbol as listed on Yahoo Finance (e.g., "AAPL").
    
    Returns:
        A summary string stating start/end dates, prices, 
        percent change, and the filepath of the saved chart PNG.
    """
    # 1. Download data
    stock = yf.Ticker(ticker)
    hist = stock.history(period="3mo")  # last 3 months
    if hist.empty:
        return f"Error: no data found for ticker '{ticker}'."
    
    # 2. Compute performance
    start_date = hist.index[0].date()
    end_date   = hist.index[-1].date()
    start_price = hist["Close"].iloc[0]
    end_price   = hist["Close"].iloc[-1]
    pct_change  = (end_price - start_price) / start_price * 100
    
    # 3. Plot
    plt.figure(figsize=(8, 4))
    hist["Close"].plot(title=f"{ticker} — Last 3 Months", ylabel="Closing Price")
    filename = f"{ticker}_3m_performance.png"
    plt.tight_layout()
    plt.savefig(filename)
    plt.close()
    
    # 4. Return summary
    return (
        f"{ticker} from {start_date} to {end_date}: "
        f"started at ${start_price:.2f}, ended at ${end_price:.2f} "
        f"({pct_change:+.2f}% change). "
        f"Chart saved to `{os.path.abspath(filename)}`."
    )
    
@tool
def my_custom_tool(arg1:str, arg2:int)-> 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 does nothing yet 
    Args:
        arg1: the first argument
        arg2: the second argument
    """
    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
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()