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

# Load image generation tool early
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

@tool
def searching(search: str) -> str:
    """Searches the web using DuckDuckGo.
    Args:
        search: A string representing a search query.
    """
    duckduckgo_tool = DuckDuckGoSearchTool()
    try:
        results = duckduckgo_tool.run(search)
        if results:
            return f"Search Result using DuckDuckGo:\n{results}"
        else:
            return "No Result Found"
    except Exception as e:
        return f"Something went wrong:\n{str(e)}"

@tool
def image_generator_(prompt: str) -> str:
    """Generates an image from a prompt using a Hugging Face image generation tool.
    
    Args:
        prompt: A text prompt describing the image to generate.
    
    Returns:
        A URL pointing to the generated image.
    """
    try:
        image = image_generation_tool.run(prompt)
        return f"Here is the link for the generated image using the prompt:\n{image}"
    except Exception as e:
        return f"We couldn't create an image for the prompt:\n{str(e)}. Try giving another prompt."

@tool
def get_current_time_in_timezone(timezone: str) -> str:
    """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
final_answer = FinalAnswerTool()

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

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

# Create the agent
agent = CodeAgent(
    model=model,
    tools=[final_answer, searching, image_generator_],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

# Launch the UI
GradioUI(agent).launch()