from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
import datetime
import ephem
from Gradio_UI import GradioUI
from datetime import timedelta


@tool
def get_moon_phase(date: datetime.date) -> str:
    """
    Calculates and returns the current moon phase.

    Args:
        date: The date for which to calculate the moon phase. Defaults to today.

    Returns:
        str: A string describing the moon phase.
    """

    if date is None:
        date = datetime.date.today()

    observer = ephem.Observer()
    observer.lat = "0"
    observer.lon = "0"
    observer.elevation = 0
    observer.date = date

    moon = ephem.Moon(observer)
    phase = moon.phase

    observer.date = date - timedelta(days=1)

    moon = ephem.Moon(observer)
    yesterday_phase = moon.phase

    if phase > yesterday_phase:
        phase_trend = "Waxing"
    else:
        phase_trend = "Waning"

    if 0 <= phase < 1:
        phase_name = "New Moon 🌑"
    elif 1 <= phase < 49:
        if phase_trend == "Waxing":
            phase_emoji = "🌒"
        else:
            phase_emoji = "🌘"
        phase_name = f"{phase_trend} Crescent {phase_emoji}"
    elif phase == 50:
        if phase_trend == "Waxing":
            phase_name = "First Quarter 🌓"
        else:
            phase_name = "Last Quarter 🌗"
    elif 51 <= phase < 99:
        if phase_trend == "Waxing":
            phase_emoji = "🌔"
        else:
            phase_emoji = "🌖"
        phase_name = f"{phase_trend} Gibbous {phase_emoji}"
    elif phase == 100:
        phase_name = "Full Moon 🌕"

    return f"{phase_name} ({phase:.2f}%) on {date}"


@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()
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_moon_phase,
        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()