from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
import numpy as np
from typing import Tuple

from Gradio_UI import GradioUI

# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def get_age_univers(arg1:datetime, arg2:float)-> 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 computes the age of a universe in a given date based on the vacuum energy 
    Args:
        arg1: the date on which we want to compute the age of the univers
        arg2: the vacuum energy in GeV 
    """
    return "The age of the universe is 14 point 5 billion years"

@tool
def compute_vacuum_energy(L: float, N_max: int, hbar: float=1.0545718e-34, c: float=3e8)->float:
    """
    Compute the vacuum (zero-point) energy of a scalar field in a 3D box.

    Args:
        L: Length of the cubic box in meters.
        N_max: Maximum mode number in each direction (for cutoff/regularization).
        hbar: Reduced Planck constant (default is SI units).
        c: Speed of light (default is SI units).

    Returns:
        float: Total vacuum energy in joules.
    """
    energy = 0.0

    for nx in range(1, N_max + 1):
        for ny in range(1, N_max + 1):
            for nz in range(1, N_max + 1):
                # Compute magnitude of k-vector
                k = np.pi * np.sqrt(nx**2 + ny**2 + nz**2) / L
                omega = c * k
                energy += 0.5 * hbar * omega

    return energy

@tool
def compute_universe_color(age_in_gyr: float) -> Tuple[int, int, int]:
    """
    Estimate the average color of the universe based on its age.

    Args:
        age_in_gyr (float): Age of the universe in billions of years (Gyr).

    Returns:
        Tuple[int, int, int]: RGB color representing the average color of the universe.
    """

    # Clamp age to a plausible range (0 - 20 Gyr)
    age = max(0.0, min(age_in_gyr, 20.0))

    # Approximate color evolution over time in RGB
    # 0 Gyr → blue-white (hot stars), 13.8 Gyr → cosmic latte (pale beige), 20 Gyr → reddish
    if age < 1.0:
        color = (180, 210, 255)  # bright blue-white
    elif age < 5.0:
        color = (240, 230, 255)  # softer white
    elif age < 9.0:
        color = (255, 240, 220)  # yellowish
    elif age < 13.0:
        color = (255, 230, 210)  # pale beige
    elif age <= 14.0:
        color = (255, 223, 196)  # "cosmic latte"
    else:
        color = (240, 200, 180)  # redder with star aging

    return color
    
@tool
def convert_energy(value: float, current_unit: str, target_unit: str) -> float:
    """
    Convert an energy value from one unit to another.

    Args:
        value: The energy value to convert.
        current_unit: The unit of the input energy (e.g., 'J', 'eV', 'GeV', 'kcal', 'kWh').
        target_unit: The desired output unit.

    Returns:
        float: The converted energy value in the target unit.

    Supported units:
        - 'J'    : Joules
        - 'eV'   : Electronvolts
        - 'GeV'  : Giga-electronvolts
        - 'kcal' : Kilocalories
        - 'kWh'  : Kilowatt-hours
    """
    UNIT_EQUIVALENT_IN_JOULES: dict[str, float] = {
        'j': 1.0,
        'ev': 1.602176634e-19,
        'gev': 1.602176634e-10,
        'kcal': 4184.0,
        'kwh': 3.6e6,
    }

    current_unit = current_unit.strip().lower()
    target_unit = target_unit.strip().lower()

    supported_units = list(UNIT_EQUIVALENT_IN_JOULES.keys())

    if current_unit not in UNIT_EQUIVALENT_IN_JOULES:
        raise ValueError(
            f"Unsupported current unit: '{current_unit}'.\n"
            f"Supported units are: {', '.join(supported_units)}"
        )

    if target_unit not in UNIT_EQUIVALENT_IN_JOULES:
        raise ValueError(
            f"Unsupported target unit: '{target_unit}'.\n"
            f"Supported units are: {', '.join(supported_units)}"
        )

    value_in_joules = value * UNIT_EQUIVALENT_IN_JOULES[current_unit]
    converted_value = value_in_joules / UNIT_EQUIVALENT_IN_JOULES[target_unit]
    return converted_value


@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=[final_answer, image_generation_tool, get_current_time_in_timezone, get_age_univers, convert_energy, compute_vacuum_energy, compute_universe_color], ## 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()