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

# Final answer tool required by agent
final_answer = FinalAnswerTool()

# Weather tool (mocked)
@tool
def get_weather(city: str) -> str:
    """Returns fake weather data (can be replaced with real API call).
    Args:
        city: The city to fetch weather for.
    """
    return f"{city} is sunny with 25°C (mock data)."

# Optional: Custom time tool if you want to keep it
@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"{timezone} is: {local_time}"
    except Exception as e:
        return f"Error fetching time for timezone '{timezone}': {str(e)}"

# Model config
model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    custom_role_conversions=None,
)

# Load text-to-image tool as an example (not used here)
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

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

# Create agent with weather tool
agent = CodeAgent(
    model=model,
    tools=[
        final_answer,
        get_weather,
        get_current_time_in_timezone,  # optional
        DuckDuckGoSearchTool(),        # optional
        image_generation_tool          # optional
    ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

# Launch UI
GradioUI(agent).launch()