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

@tool
def calculate_days_until_date(future_date: str) -> int:
    """Calculates the number of days until a specified future date.

    Args:
        future_date: The future date in YYYY-MM-DD format.

    Returns:
        The number of days until the future date.
    """
    future_date_obj = datetime.datetime.strptime(future_date, "%Y-%m-%d").date()
    today = datetime.date.today()
    return (future_date_obj - today).days

@tool
def generate_travel_plan(weather_forecast: str, days_until_date: int, city: str) -> str:
    """Generates a travel plan based on weather, days until travel, and city.

    Args:
        weather_forecast: The weather forecast string.
        days_until_date: The number of days until the travel date.
        city: The name of the city.

    Returns:
        A string containing the travel plan.
    """
    if "rain" in weather_forecast.lower():
        return f"Since it will be rainy in {city}, pack an umbrella. You are travelling in {days_until_date} days."
    elif "sunny" in weather_forecast.lower():
        return f"Enjoy the sunshine in {city}! You are travelling in {days_until_date} days."
    else:
        return f"Travel plan for {city} in {days_until_date} days. Weather is {weather_forecast}."

@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:
        tz = pytz.timezone(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='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud',
    # 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)
search_tool = DuckDuckGoSearchTool()

with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)

agent = CodeAgent(
    model=model,
    tools=[
        final_answer,
        image_generation_tool,
        search_tool, #replace get_weather_forecast and get_weather_api_key
        calculate_days_until_date,
        generate_travel_plan,
        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()