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
import os

# 🔑 Define your API key here
OPENWEATHER_API_KEY = os.environ.get("Weatherapi") # Replace with your real OpenWeatherMap API key

# 🌤️ Weather Tool
@tool
def get_weather(city: str, country_code: str = "US") -> str:
    """Fetches current weather information for a given city and country.

    Args:
        city: The name of the city (e.g., 'New York').
        country_code: The 2-letter country code (default is 'US').
    """
    try:
        url = (
            f"http://api.openweathermap.org/data/2.5/weather?"
            f"q={city},{country_code}&appid={OPENWEATHER_API_KEY}&units=metric"
        )
        response = requests.get(url)
        data = response.json()

        if response.status_code != 200:
            return f"Failed to fetch weather: {data.get('message', 'Unknown error')}"

        weather_description = data["weather"][0]["description"]
        temperature = data["main"]["temp"]
        feels_like = data["main"]["feels_like"]
        humidity = data["main"]["humidity"]

        return (
            f"Current weather in {city}, {country_code}:\n"
            f"- Description: {weather_description}\n"
            f"- Temperature: {temperature}°C (feels like {feels_like}°C)\n"
            f"- Humidity: {humidity}%"
        )
    except Exception as e:
        return f"An error occurred: {str(e)}"

# 🕒 Timezone Tool
@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 tool (required)
final_answer = FinalAnswerTool()

# 🤖 Hugging Face model
model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    custom_role_conversions=None,
)

# 🎨 Image generation tool
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

# 📑 Load prompt templates
with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)

# 🧩 Build agent with all tools
agent = CodeAgent(
    model=model,
    tools=[
        final_answer,
        get_weather,
        get_current_time_in_timezone,
        image_generation_tool,
        DuckDuckGoSearchTool(),  # <== Included as you requested
    ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

# 🖼️ Launch Gradio UI
GradioUI(agent).launch()