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 my_custom_tool(arg1: str, arg2: int) -> str:
    """A tool that does nothing yet 
    Args:
        arg1: the first argument
        arg2: the second argument
    """
    return "What magic will you build ?"

@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)}"

# Instantiate the final answer tool (required)
final_answer = FinalAnswerTool()

# Load pre-made text-to-image generation tool from the Hub
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

# Instantiate the DuckDuckGo search tool
duckduckgo_tool = DuckDuckGoSearchTool()

# Load prompt templates from a YAML file
with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
# Create the CodeAgent with multiple tools available.
agent = CodeAgent(
    model=HfApiModel(
        max_tokens=2096,
        temperature=0.5,
        model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    ),
    tools=[
        final_answer,                # Final answer tool (must be included)
        get_current_time_in_timezone,
        my_custom_tool,
        image_generation_tool,
        duckduckgo_tool,
    ],
    max_steps=6,
    verbosity_level=1,
    prompt_templates=prompt_templates
)

# Launch the Gradio UI for interactive testing
GradioUI(agent).launch()