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


@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').
    
    Returns:
        The current local time as a formatted string.
    """
    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)}"


@tool
def random_welcome_message(name: str) -> str:
    """Generate a random welcome message for a given user.
    
    Args:
        name: The name of the user to greet.
    
    Returns:
        A personalized welcome string.
    """
    import random
    messages = [
        f"Hey {name}, hope your day’s fantastic!",
        f"Welcome aboard, {name}! Ready to explore?",
        f"Good to see you, {name}! Let's create some magic!"
    ]
    return random.choice(messages)


final_answer = FinalAnswerTool()
search_tool = DuckDuckGoSearchTool()
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

model = HfApiModel(
    max_tokens=2048,
    temperature=0.7,
    model_id="Qwen/Qwen2.5-Coder-32B-Instruct"
)

with open("prompts.yaml", "r") as f:
    prompt_templates = yaml.safe_load(f)

agent = CodeAgent(
    model=model,
    tools=[
        final_answer,
        search_tool,
        image_generation_tool,
        get_current_time_in_timezone,
        random_welcome_message
    ],
    max_steps=6,
    verbosity_level=1,
    description="A multi-tool web chatbot and image generator",
    prompt_templates=prompt_templates,
)

GradioUI(agent).launch()