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


# --- Tools ---
@tool
def my_custom_tool(arg1: str, arg2: int) -> str:
    """A tool that changes your height from metric to imperial 
    Args:
        arg1: your name
        arg2: your height in metric system (centimeters)
    """
    afeet = 30.48        # cm per foot
    ainch = 2.54         # cm per inch

    # keep your logic, just truncate feet (no decimals)
    the_feet = int(arg2 // afeet)          # whole feet
    remainder = arg2 - the_feet * afeet    # leftover cm
    the_inch = remainder / ainch           # inches from leftover

    return f"Height of {arg1} in imperial units: {the_feet} ft {the_inch:.2f} in"

@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)}"

# --- Final answer tool required by the template ---
final_answer = FinalAnswerTool()

# --- Model (use this on HF Spaces; it reads HF_TOKEN automatically) ---
model = HfApiModel(
    model_id="Qwen/Qwen2.5-Coder-32B-Instruct",
    max_tokens=2096,
    temperature=0.5,
    custom_role_conversions=None,
)

# Import tool from Hub (image generation) and set up web search
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

# Load system prompts
with open("prompts.yaml", "r") as stream:
    prompt_templates = yaml.safe_load(stream)

# --- Agent: register ALL the tools here ---
agent = CodeAgent(
    model=model,
    tools=[
        final_answer,              # do not remove
        my_custom_tool,            # your converter
        get_current_time_in_timezone,
        image_generation_tool,     # HF Hub tool
    ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates,
)

GradioUI(agent).launch()