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from smolagents import CodeAgent,DuckDuckGoSearchTool, GoogleSearchTool, VisitWebpageTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
import math
from typing import Optional, Tuple
from tools.final_answer import FinalAnswerTool

from Gradio_UI import GradioUI
@tool
def calculate_cargo_travel_time(
    origin_coords: Tuple[float, float],
    destination_coords: Tuple[float, float],
    cruising_speed_kmh: Optional[float] = 750.0,  # Average speed for cargo planes
) -> float:
    """
    Calculate the travel time for a cargo plane between two points on Earth using great-circle distance.

    Args:
        origin_coords: Tuple of (latitude, longitude) for the starting point
        destination_coords: Tuple of (latitude, longitude) for the destination
        cruising_speed_kmh: Optional cruising speed in km/h (defaults to 750 km/h for typical cargo planes)

    Returns:
        float: The estimated travel time in hours

    Example:
        >>> # Chicago (41.8781° N, 87.6298° W) to Sydney (33.8688° S, 151.2093° E)
        >>> result = calculate_cargo_travel_time((41.8781, -87.6298), (-33.8688, 151.2093))
    """

    def to_radians(degrees: float) -> float:
        return degrees * (math.pi / 180)

    # Extract coordinates
    lat1, lon1 = map(to_radians, origin_coords)
    lat2, lon2 = map(to_radians, destination_coords)

    # Earth's radius in kilometers
    EARTH_RADIUS_KM = 6371.0

    # Calculate great-circle distance using the haversine formula
    dlon = lon2 - lon1
    dlat = lat2 - lat1

    a = (
        math.sin(dlat / 2) ** 2
        + math.cos(lat1) * math.cos(lat2) * math.sin(dlon / 2) ** 2
    )
    c = 2 * math.asin(math.sqrt(a))
    distance = EARTH_RADIUS_KM * c

    # Add 10% to account for non-direct routes and air traffic controls
    actual_distance = distance * 1.1

    # Calculate flight time
    # Add 1 hour for takeoff and landing procedures
    flight_time = (actual_distance / cruising_speed_kmh) + 1.0

    # Format the results
    return round(flight_time, 2)

# Tool to suggest a menu based on the occasion
@tool
def suggest_menu(occasion: str) -> str:
    """
    Suggests a menu based on the occasion.
    Args:
        occasion: The type of occasion for the party.
    """
    if occasion == "casual":
        return "Pizza, snacks, and drinks."
    elif occasion == "formal":
        return "3-course dinner with wine and dessert."
    elif occasion == "superhero":
        return "Buffet with high-energy and healthy food."
    else:
        return "Custom menu for the butler."

# 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}"
        return f"{local_time}"
    except Exception as e:
        return f"Error fetching time for timezone '{timezone}': {str(e)}"


final_answer = FinalAnswerTool()
duck_duck_search = DuckDuckGoSearchTool()

# 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
#model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud',
model_id='deepseek-ai/DeepSeek-R1',
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, DuckDuckGoSearchTool(), VisitWebpageTool(), calculate_cargo_travel_time], ## 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()