from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
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 my_cutom_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 for currency conversion
@tool
def convert_currency(amount: float, from_currency: str, to_currency: str) -> str:
    """A tool that converts currency from one type to another.
    Args:
        amount: The amount to convert.
        from_currency: The currency to convert from (e.g., 'USD').
        to_currency: The currency to convert to (e.g., 'EUR').
    """
    try:
        url = f"https://api.exchangerate-api.com/v4/latest/{from_currency}"
        response = requests.get(url).json()
        
        if "rates" not in response:
            return f"Error: Unable to fetch exchange rate for {from_currency}."
        
        rate = response["rates"].get(to_currency)
        if not rate:
            return f"Error: {to_currency} is not a valid target currency."
        
        converted_amount = amount * rate
        return f"{amount} {from_currency} is equivalent to {converted_amount:.2f} {to_currency}."
    except Exception as e:
        return f"Error converting 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()
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)

# load search from duckduckgo
search_tool = DuckDuckGoSearchTool()

with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[final_answer, search_tool, image_generation_tool, get_current_time_in_timezone, convert_currency], ## add your tools here (don't remove final answer)
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name="My First Agent",
    description="An AI agent that can search the web, generate images, fetch weather, get time zones, convert currency",
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()