from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
from urllib.parse import quote

from Gradio_UI import GradioUI

# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def get_chinese_zodiac_sign(year: int = None) -> str:
    """
    A tool that translates a Gregorian year into its corresponding Chinese Zodiac animal sign.

    The Chinese Zodiac cycle is based on a 12-year cycle, with each year
    assigned to an animal. The cycle starts with the Rat.

    Args:
        year (int): The Gregorian calendar year (e.g., 1997, 2025).

    Returns:
        str: The name of the Chinese Zodiac animal sign.
    """
    
    # 1. List of 12 animals in order, starting with Rat
    zodiac_signs = [
        "Rat", "Ox", "Tiger", "Rabbit", "Dragon", "Snake", 
        "Horse", "Goat", "Monkey", "Rooster", "Dog", "Pig"
    ]

    # 2. Calculate the index: 1900 was the year of the Rat (index 0).
    # The modulo 12 operation ensures the index wraps around correctly.
    index = (year - 1900) % 12

    # 3. Return the animal sign at the calculated index
    return zodiac_signs[index]

@tool
def get_a_joke(keyword: str = None) -> str:
    """
    A tool that fetches a joke.
    It can return either a single-part or a two-part joke.

    The joke can be optionally filtered by a keyword to provide some relevance.
    If no keyword is provided, a random joke from the "Any" category is returned.

    Args:
        keyword: An optional keyword to search for within the joke text.

    Returns:
        A string containing the joke, or an error message if the fetch fails.
    """
    base_url = "https://v2.jokeapi.dev/joke/Any"
    
    # Removed 'type': 'single' to allow for both single and two-part jokes.
    # We still enforce safe-mode for safety.
    params = {
        'safe-mode': ''
    }

    if keyword:
        # URL-encode the keyword to handle spaces and special characters
        safe_keyword = quote(keyword)
        # The API uses the 'contains' parameter for keyword filtering
        params['contains'] = safe_keyword

    # We implement a simple retry mechanism with exponential backoff for robustness
    max_retries = 3
    for attempt in range(max_retries):
        try:
            # Make the API request
            response = requests.get(base_url, params=params, timeout=10)
            
            # Raise an exception for bad status codes (4xx or 5xx)
            response.raise_for_status()

            data = response.json()

            # The JokeAPI returns a 'success' field implicitly, but checks for 'error'
            if data.get('error') is True:
                # If the API returns an error, it often means no joke was found for the keyword
                return (f"**[Joke Tool Error]** Sorry, I couldn't find a joke about '{keyword}'! "
                        f"Perhaps try a more general term. (API Message: {data.get('message', 'Unknown error')})")
            
            # --- Logic to handle both single and two-part jokes ---
            if data.get('type') == 'single':
                # Case 1: Single-part joke
                return data.get('joke')
            elif data.get('type') == 'twopart':
                # Case 2: Two-part joke (combine setup and delivery)
                setup = data.get('setup', 'Setup missing...')
                delivery = data.get('delivery', 'Punchline missing...')
                return f"{setup}\n\n...{delivery}"
            else:
                return "The Joke API returned an unknown joke format."


        except requests.exceptions.RequestException as e:
            # Handle connection errors, timeouts, and bad status codes
            print(f"Attempt {attempt + 1} failed: {e}")
            if attempt < max_retries - 1:
                # Wait before retrying (exponential backoff)
                wait_time = 2 ** attempt
                time.sleep(wait_time)
            else:
                return f"**[Joke Tool Error]** Failed to connect to the Joke API after {max_retries} attempts."
        except Exception as e:
            return f"**[Joke Tool Error]** An unexpected error occurred: {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:
        # 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, get_chinese_zodiac_sign, get_a_joke, get_current_time_in_timezone, image_generation_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()