from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
from tools.final_answer import FinalAnswerTool
from Gradio_UI import GradioUI
import datetime
import pytz
import yaml

@tool
def is_prime(num: int) -> str:
    """A tool that determines if an input number is prime and returns a string result.
    Args:
        num: A int that is to be checked for being prime.
    """
    
    try:
        prime = check_prime(num)
        return f"The number {num} is {'Prime!!!' if prime else 'not Prime :('}"
    except Exception as e:
        return f"Error calculating primeness '{num}': {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).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)}"

def check_prime(n):
    if n <= 1:
        return False
    if n <= 3:
        return True
    if n % 2 == 0 or n % 3 == 0:
        return False
    i = 5
    while i * i <= n:
        if n % i == 0 or n % (i + 2) == 0:
            return False
        i += 6
    return True

model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud/',
)

# Define tools list
tools = {
    "final_answer": FinalAnswerTool(),
    "is_prime": is_prime,
    "get_current_time_in_timezone": get_current_time_in_timezone,
    "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=list(tools.values()),
    max_steps=6,
    verbosity_level=2,
    prompt_templates=prompt_templates
)

GradioUI(agent).launch()