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

@tool
def interweave_strings(arg1: str, arg2: str) -> str:
    """A tool that interweaves two strings character-by-character.
    Args:
        arg1: The first input string to be interweaved with the second.
        arg2: The second input string to be interweaved with the first.
    """
    # Build the interleaved string for the overlapping part.
    interwoven_chars = []
    for ch1, ch2 in zip(arg1, arg2):
        interwoven_chars.append(ch1)
        interwoven_chars.append(ch2)
    
    # Append the remaining part of the longer string (if any).
    if len(arg1) > len(arg2):
        interwoven_chars.append(arg1[len(arg2):])
    elif len(arg2) > len(arg1):
        interwoven_chars.append(arg2[len(arg1):])
    
    return "".join(interwoven_chars)    

@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:
        # 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)}"


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


# Import tool from Hub
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[final_answer, get_current_time_in_timezone, interweave_strings, DuckDuckGoSearchTool, image_generation_tool], ## add your tools here (don't remove final answer)
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()