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

# IMPORTANT: Initialize model BEFORE using it in tools
model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',  # it is possible that this model may be overloaded
    custom_role_conversions=None,
)

@tool
def translate_to_spanish(english: str) -> str: 
    """A tool that translates text from english to spanish using DuckDuckGoSearchTool
    Args:
        english (str): the text in english to be translated to spanish
    Returns: 
        str: the text translated into spanish
    """
    # FIXED: Proper f-string formatting and return statement
    query = f"Please translate the following text into Spanish: {english}"
    
    # Use a temporary agent for the search (reuse model for efficiency)
    temp_agent = CodeAgent(
        tools=[DuckDuckGoSearchTool()],
        model=model
    )
    results = temp_agent.run(query)
    
    # FIXED: Actually return the results
    return str(results)

@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').
    Returns:
        str: The current time in the specified timezone
    """
    try:
        # Create timezone object
        tz = pytz.timezone(timezone)
        # Get current time in that 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 tools
final_answer = FinalAnswerTool()

# FIXED: Added error handling for optional dependencies
try:
    # Import tool from Hub
    image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
    tools_list = [final_answer, translate_to_spanish, get_current_time_in_timezone, 
                  DuckDuckGoSearchTool(), image_generation_tool]
except Exception as e:
    print(f"Warning: Could not load image generation tool: {e}")
    tools_list = [final_answer, translate_to_spanish, get_current_time_in_timezone, 
                  DuckDuckGoSearchTool()]

# FIXED: Added error handling for prompts.yaml
try:
    with open("prompts.yaml", 'r') as stream:
        prompt_templates = yaml.safe_load(stream)
except FileNotFoundError:
    print("Warning: prompts.yaml not found, using default templates")
    prompt_templates = None
except Exception as e:
    print(f"Warning: Error loading prompts.yaml: {e}")
    prompt_templates = None

# Create agent
agent = CodeAgent(
    model=model,
    tools=tools_list,  # Use the dynamically created tools list
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

# FIXED: Added error handling for Gradio launch
try:
    GradioUI(agent).launch()
except Exception as e:
    print(f"Error launching Gradio UI: {e}")
    print("You may need to install gradio or check your Gradio_UI module")