from typing import Optional
from smolagents import CodeAgent,DuckDuckGoSearchTool,HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
import os

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 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_weather(location: str, celsius: Optional[bool] = False) -> str:
    """
    Get the current weather at the given location using the WeatherStack API.

    Args:
        location: The location (city name).
        celsius: Whether to return the temperature in Celsius (default is False, which returns Fahrenheit).

    Returns:
        A string describing the current weather at the location.
    """
    api_key = os.environ['weather_api_key']  # Replace with your API key from https://weatherstack.com/
    # os.environ['WEATHERSTACK_API_KEY'] = 'weather_api_key'
    units = "m" if celsius else "f"  # 'm' for Celsius, 'f' for Fahrenheit

    url = f"http://api.weatherstack.com/current?access_key={api_key}&query={location}&units={units}"

    try:
        response = requests.get(url)
        response.raise_for_status()  # Raise an exception for HTTP errors

        data = response.json()

        if data.get("error"):  # Check if there's an error in the response
            return f"Error: {data['error'].get('info', 'Unable to fetch weather data.')}"

        weather = data["current"]["weather_descriptions"][0]
        temp = data["current"]["temperature"]
        temp_unit = "°C" if celsius else "°F"

        return f"The current weather in {location} is {weather} with a temperature of {temp} {temp_unit}."

    except requests.exceptions.RequestException as e:
        return f"Error fetching weather data: {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,get_weather,get_current_time_in_timezone], ## 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()