import datetime
import pytz
import yaml

from Gradio_UI import GradioUI

from smolagents import CodeAgent, HfApiModel, load_tool, tool

from tools.final_answer import FinalAnswerTool
from tools.web_search import DuckDuckGoSearchTool
from tools.visit_webpage import VisitWebpageTool


@tool
def visit_webpage(url: str) -> str:
    """Visits a webpage at the given URL and reads its content as a markdown string
    Args:
        url: The URL of the webpage to visit (e.g., 'http://www.wikipedia.com'.).
    """
    visit_webpage = VisitWebpageTool()

    webpage_content = visit_webpage.forward(url)

    return webpage_content


@tool
def duck_duck_go_search(query: str) -> str:
    """A tool that makes a web search request using DuckDuckGo.
    Args:
        query: a string with the user's web search query (e.g., 'When was the city of London founded?').
    """
    search = DuckDuckGoSearchTool()

    search_result = search.forward(query)

    return search_result


@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"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,
    # it is possible that this model may be overloaded
    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,
    # add your tools here (don't remove final answer)
    tools=[final_answer, image_generation_tool,
           duck_duck_go_search, visit_webpage, get_current_time_in_timezone],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()