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

import re

@tool
def youtube_search_duckduckgo(query: str) -> str:
    """
    Searches YouTube via DuckDuckGoSearchTool and returns HTML embeds of the top 3 videos and it's not bad!
    Args:
        query: The search term.
    """
    search = DuckDuckGoSearchTool()
    # Limit search to YouTube only
    results = search(f"site:youtube.com/watch {query}")
    video_ids = []
    for res in results:
        # Try to find YouTube video links
        match = re.search(r"youtube\.com/watch\?v=([A-Za-z0-9_-]{11})", res)
        if match:
            video_ids.append(match.group(1))
        if len(video_ids) == 3:
            break

    if not video_ids:
        return "No YouTube videos found."

    html = ""
    for vid in video_ids:
        html += f"""
        <div style="margin-bottom:16px">
          <iframe width="360" height="203"
            src="https://www.youtube.com/embed/{vid}"
            frameborder="0" allowfullscreen></iframe>
        </div>
        """
    return html


# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
    #Keep this format for the description / args / args description but feel free to modify the tool
    """A tool that does nothing yet 
    Args:
        arg1: the first argument
        arg2: the second argument
    """
    return "What magic will you build ?"

@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()

# If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
# model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 

# 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,
# )

model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='google/flan-t5-base',  # <-- swap for a smaller/free model
    custom_role_conversions=None,
)

model.last_input_token_count = 0  # <-- add this line


# 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, youtube_search_duckduckgo], ## 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()