from datetime import datetime

def get_season_coeff(season_type: str, return_date: datetime = None) -> float:
    if return_date is None:
        return_date = datetime.now()
    month = return_date.month
    if month in [12, 1, 2]:
        current_season = 'winter'
    elif month in [6, 7, 8]:
        current_season = 'summer'
    else:
        return 1.0
    if season_type == current_season:
        return 1.2
    else:
        return 0.8

def get_wear_coeff(wear_level: str) -> float:
    coeffs = {
        'low': 1.1,
        'medium': 1.3,
        'high': 1.5
    }
    return coeffs.get(wear_level, 1.0)

def calculate_item_price(base_price, quantity, wear_level, season_type, return_date=None):
    base_total = float(base_price) * quantity
    wear_coeff = get_wear_coeff(wear_level)
    season_coeff = get_season_coeff(season_type, return_date)
    return round(base_total * wear_coeff * season_coeff, 2)

def get_current_season_name():
    month = datetime.now().month
    if month in [12, 1, 2]:
        return "зима"
    elif month in [6, 7, 8]:
        return "лето"
    else:
        return "межсезонье"