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

# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def convert_time_to_pacific(source_datetime: str, source_timezone: str) -> str:
    """Converts a date/time from any timezone to Pacific Time.
    Args:
        source_datetime: The date and time to convert. Use formats like '2026-07-06 15:00', '2026-07-06 3:00 PM', or '2026-07-06 3pm'.
        source_timezone: The source timezone. Use an IANA timezone like 'America/New_York', 'Europe/London', or aliases like 'ET', 'CT', 'UTC'.
    """
    try:
        timezone_aliases = {
            "pt": "America/Los_Angeles",
            "pacific": "America/Los_Angeles",
            "pst": "America/Los_Angeles",
            "pdt": "America/Los_Angeles",

            "mt": "America/Denver",
            "mountain": "America/Denver",

            "ct": "America/Chicago",
            "central": "America/Chicago",

            "et": "America/New_York",
            "eastern": "America/New_York",
            "est": "America/New_York",
            "edt": "America/New_York",

            "utc": "UTC",
            "gmt": "GMT",

            "london": "Europe/London",
            "uk": "Europe/London",
            "paris": "Europe/Paris",
            "berlin": "Europe/Berlin",
            "tokyo": "Asia/Tokyo",
            "india": "Asia/Kolkata",
        }

        source_tz_name = timezone_aliases.get(
            source_timezone.strip().lower(),
            source_timezone.strip()
        )

        source_tz = pytz.timezone(source_tz_name)
        pacific_tz = pytz.timezone("America/Los_Angeles")

        cleaned_datetime = (
            source_datetime
            .strip()
            .replace("T", " ")
            .replace("pm", " PM")
            .replace("am", " AM")
        )

        formats = [
            "%Y-%m-%d %H:%M",
            "%Y-%m-%d %H:%M:%S",
            "%Y-%m-%d %I:%M %p",
            "%Y-%m-%d %I %p",
        ]

        parsed_datetime = None

        for fmt in formats:
            try:
                parsed_datetime = datetime.datetime.strptime(cleaned_datetime, fmt)
                break
            except ValueError:
                continue

        if parsed_datetime is None:
            return (
                "Could not parse the datetime. "
                "Use something like '2026-07-06 15:00' or '2026-07-06 3:00 PM'."
            )

        localized_datetime = source_tz.localize(parsed_datetime)
        pacific_datetime = localized_datetime.astimezone(pacific_tz)

        return (
            f"{source_datetime} in {source_tz_name} is "
            f"{pacific_datetime.strftime('%Y-%m-%d %I:%M %p %Z')}."
        )

    except Exception as e:
        return f"Error converting time to Pacific Time: {str(e)}"

@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,
)


# 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=[get_current_time_in_timezone, final_answer, convert_time_to_pacific], ## 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()