from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
from newsapi import NewsApiClient
from Gradio_UI import GradioUI

# Newsapi info
NEWSAPI_KEY = "be0caa3084bf4bdc9052203cb149d9e1"
newsapi = NewsApiClient(api_key = NEWSAPI_KEY)

# 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_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)}"

@tool
def get_news_updates(query: str) -> str:
    """
    Fetches and summarizes recent news articles based on a query.

    Args:
        query: The topic or keyword to search for in news articles.
    """
    try:
        # Fetch news articles based on the query
        response = newsapi.get_everything(q=query, language='en', sort_by='publishedAt')
        
        if response['status'] == 'ok' and len(response['articles']) > 0:
            articles = response['articles']
            
            # Summarize the first few articles
            summaries = []
            for article in articles[:5]:  # Limiting to 5 articles
                title = article.get('title', '')
                description = article.get('description', '')
                source = article.get('source', {}).get('name', '')
                url = article.get('url', '')
                datetime = article.get('publishedAt', '')
                
                summary = f"Title: {title}\nSource: {source}\nDescription: {description}\nLink: {url}\nPublished at: {datetime}"
                summaries.append(summary)
            
            return '\n\n'.join(summaries)
        else:
            return "No news articles found for the given query."
    except Exception as e:
        return f"Error fetching the latest news because of {str(e)}"

@tool
def convert_currency(amount: float, from_currency: str, to_currency: str) -> str:
    """
    Converts an amount from one currency to another based on real-time exchange rates.

    Args:
        amount: The amount of money to be converted.
        from_currency: The currency code of the original amount (e.g., 'USD').
        to_currency: The currency code of the target currency (e.g., 'EUR').
    """
    try:
        
        # Conversion rate API
        API_URL = f"https://v6.exchangerate-api.com/v6/ac069b4cb2fe9f46d311de15/latest/{from_currency}"

        # Fetch the latest exchange rates
        response = requests.get(API_URL)
        
        if response.status_code == 200:
            data = response.json()
                    
            # Get the conversion rate for the target currency
            to_rate = data['conversion_rates'].get(to_currency.upper(), None)
            
            if to_rate is not None:
                # Convert the amount to the target currency
                converted_amount = amount * to_rate
                return f"{amount} {from_currency} is equal to {converted_amount:.2f} {to_currency}"
            else:
                return f"Currency '{to_currency}' not supported."
        else:
            return f"Failed to fetch exchange rates. Status code: {response.status_code}"
    except Exception as e:
        return 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='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud',# 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=[get_current_time_in_timezone, get_news_updates, image_generation_tool, convert_currency, 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()