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 get_random_fact() -> str:
    """Returns a fun random fact fetched from an API."""
    try:
        response = requests.get("https://uselessfacts.jsph.pl/random.json?language=en")
        fact = response.json().get("text", "No fact available.")
        return fact
    except Exception as e:
        return f"Error fetching fact: {str(e)}"

@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)
        formatted_time = local_time.strftime("%Y-%m-%d %H:%M:%S")
        return formatted_time
    except Exception as e:
        return f"Error fetching time for timezone '{timezone}': {str(e)}"

@tool
def get_fact_with_greeting(timezone: str) -> str:
    """
    Returns an entertaining message that includes an appropriate greeting based on the 
    current time in the given timezone along with a fun random fact.
    
    Args:
        timezone: A string representing a valid timezone (e.g., 'America/New_York').
    """
    # Get the current time string and also a datetime object for hour extraction.
    try:
        tz = pytz.timezone(timezone)
        local_time = datetime.datetime.now(tz)
        formatted_time = local_time.strftime("%Y-%m-%d %H:%M:%S")
    except Exception as e:
        return f"Error fetching time for timezone '{timezone}': {str(e)}"
    
    # Determine an appropriate greeting based on the hour of the day.
    hour = local_time.hour
    if hour < 12:
        greeting = "Good morning"
    elif 12 <= hour < 18:
        greeting = "Good afternoon"
    else:
        greeting = "Good evening"
    
    # Fetch a fun fact.
    fact = get_random_fact()
    # If get_random_fact returned an error, it will already be a message indicating the error.
    if fact.startswith("Error"):
        fun_fact_message = fact
    else:
        fun_fact_message = f"Here's a fun fact: {fact}"
    
    # Create the final entertaining message.
    message = (
        f"{greeting}! The current local time in {timezone} is {formatted_time}. "
        f"{fun_fact_message}"
    )
    
    return message

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, get_random_fact, get_current_time_in_timezone, get_fact_with_greeting],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

GradioUI(agent).launch()