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 tools.web_search import DuckDuckGoSearchTool
from tools.visit_webpage import VisitWebpageTool

from Gradio_UI import GradioUI

web_search_tool = DuckDuckGoSearchTool(max_results=5)
visit_webpage_tool = VisitWebpageTool()

@tool
def get_weather(city: str) -> str:
    """
    A tool that fetches the current weather information for a specified city.
    
    Args:
        city: The name of the city to fetch the weather for (e.g., 'New York').

    Returns:
        str: A string containing the weather information or an error message.
    """
    api_key = os.getenv('WEATHER_API_KEY') 
    if not api_key:
        return "Error: API Key not found in environment variables."
        
    api_url = f"http://api.weatherapi.com/v1/current.json?key={api_key}&q={city}&aqi=no"
    response = requests.get(api_url)
    
    if response.status_code == 200:
        data = response.json()

        location = data.get("location", {})
        current_weather = data.get("current", {})
        
        city_name = location.get("name", "Unknown")
        country = location.get("country", "Unknown")
        temperature_c = current_weather.get("temp_c", "N/A")
        condition = current_weather.get("condition", {}).get("text", "N/A")
        wind_speed_kph = current_weather.get("wind_kph", "N/A")
        humidity = current_weather.get("humidity", "N/A")
        
        weather_info = (
            f"Weather in {city_name}, {country}:\n"
            f"Temperature: {temperature_c}°C\n"
            f"Condition: {condition}\n"
            f"Wind Speed: {wind_speed_kph} kph\n"
            f"Humidity: {humidity}%"
        )
        return weather_info
    else:
        return "Error: Unable to fetch weather data."


@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, image_generation_tool, get_current_time_in_timezone, get_weather, web_search_tool, visit_webpage_tool], ## 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()