import asyncio
import datetime
import os

import dotenv
import python_weather
import pytz
import yaml
from smolagents import CodeAgent, DuckDuckGoSearchTool, VisitWebpageTool, HfApiModel, load_tool, tool

from Gradio_UI import GradioUI
from tools.final_answer import FinalAnswerTool

dotenv.load_dotenv(override=True)


@tool
def get_weather(location: str) -> str:
    """Tool for checking the full description of the weather for a specific location
    Args:
        location: name of the location for checking the weather, mandatory parameter
    Return:
        Description of the weather
    """
    async def fetch_weather():
        async with python_weather.Client(unit=python_weather.METRIC) as client:
            # fetch a weather forecast from a city
            weather = await client.get(location)
            if weather is None:
                return "Problem: unknown location or weather"

            output = [f"Current temperature for {location} is {weather.temperature}"]
            # get the weather forecast for a few days
            for daily in weather:
                desc = f"Weather for day {str(daily.date)}. Temperature high: {daily.highest_temperature}, low: {daily.lowest_temperature}. avg: {daily.temperature}."
                output.append(desc)

            return '\n'.join(output)

    return asyncio.run(fetch_weather())


@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
    # model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud',
    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, get_current_time_in_timezone, get_weather, DuckDuckGoSearchTool(), VisitWebpageTool()],
    ## 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()