from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import os
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_coin_price(symbol: str, currency: str = "usd")-> 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 fetches the latest price on a cryptocurrency symbol from Coingecko API.
    Args:
        symbol: A string representing a valid symbol as CoinGecko's ID, not ticker (e.g., 'bitcoin' not BTC).
        currency: A string representing the currency the value is returned in (e.g., 'usd').
    """
    # set to lowercase for api compatibility and consistency
    symbol = symbol.lower()
    currency = currency.lower()
    
    #define the endpoint with return headers - https://docs.coingecko.com/v3.0.1/reference/simple-price
    url = "https://api.coingecko.com/api/v3/simple/price?ids=" + symbol + "&vs_currencies=" + currency
    headers = {"accept": "application/json"}
    
    try:
        #make request to endpoint
        response = requests.get(url, headers=headers)
        
        #process response
        if response.status_code == 200:
            data = response.json()
            usd_value = data[symbol][currency]
            return f"The price of " + symbol + " in " + currency + " is " + f"${usd_value:,.2f}" #format as currency
        else:
            # returrn verbose error, so the model can observe and ReAct
            return f"Error: {response.status_code}, {response.text}"
    except Exception as e:
        return f"Error fetching price for '{symbol}' valued in currency '{currency}': {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,
)

# model = HfApiModel(
#     model_id="deepseek-ai/DeepSeek-R1",
#     provider="together",
#     api_key=os.getenv("together_key")  # Fetch API key from environment
# )


# 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, get_coin_price, get_current_time_in_timezone, DuckDuckGoSearchTool()], ## 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()