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


# -------------------------
# Custom tools
# -------------------------

@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:
    """Fetch the current local time in a specified timezone.
    Args:
        timezone: 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)}"


# -------------------------
# Required final answer tool
# -------------------------

final_answer = FinalAnswerTool()


# -------------------------
# Model (FIXED)
# -------------------------
# NOTE:
# 32B models do NOT work on the free HF Inference API.
# Use a smaller model unless you have a dedicated endpoint.

model = HfApiModel(
    model_id="Qwen/Qwen2.5-Coder-7B-Instruct",  # ✅ corrected
    max_tokens=2096,
    temperature=0.5,
    custom_role_conversions=None,
)


# -------------------------
# Optional tools
# -------------------------

search_tool = DuckDuckGoSearchTool()

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


# -------------------------
# Prompt templates
# -------------------------

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


# -------------------------
# Agent
# -------------------------

agent = CodeAgent(
    model=model,
    tools=[
        final_answer,
        search_tool,
        my_custom_tool,
        get_current_time_in_timezone,
    ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates,
)


# -------------------------
# UI
# -------------------------

GradioUI(agent).launch()