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

# --- 1. SETUP TOOLS ---

@tool
def my_custom_tool(arg1: str, arg2: int) -> str:
    """A tool that returns a creative message.
    Args:
        arg1: the first argument
        arg2: the second argument
    """
    return f"Magic is happening with {arg1} and {arg2}!"

@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)}"

# Initialize the mandatory final answer tool
final_answer = FinalAnswerTool()

# --- 2. SETUP MODEL ---

# Get your token from Space Secrets (Settings > Variables and secrets)
hf_token = os.getenv("HF_TOKEN")

model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    token=hf_token
)

# Load external tools
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
search_tool = DuckDuckGoSearchTool()

# --- 3. LOAD PROMPTS ---

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

# --- 4. INITIALIZE AGENT ---

agent = CodeAgent(
    model=model,
    tools=[
        final_answer, 
        get_current_time_in_timezone, 
        my_custom_tool, 
        image_generation_tool, 
        search_tool
    ],
    max_steps=10,
    verbosity_level=1,
    prompt_templates=prompt_templates,
    # IMPORTANT: Allow these imports so the agent's code doesn't crash
    additional_authorized_imports=['pytz', 'requests', 'PIL', 'datetime', 'io']
)

# --- 5. LAUNCH UI ---

# This starts the Gradio interface defined in your course files
GradioUI(agent).launch()