from datetime import date
from logic.product_calculator import calculate_discounted_price, get_quantity_label


def test_discounted_price_no_orders_in_previous_month_returns_price_with_discount():
    price = 2000
    order_dates = []
    calculation_date = date(2027, 6, 15)

    result = calculate_discounted_price(price, order_dates, calculation_date)

    assert result == 1500


def test_discounted_price_order_in_previous_month_returns_price_without_discount():
    price = 2000
    order_dates = [date(2027, 5, 10)]
    calculation_date = date(2027, 6, 15)

    result = calculate_discounted_price(price, order_dates, calculation_date)

    assert result == 2000


def test_quantity_label_five_pairs_returns_few():
    result = get_quantity_label(5)

    assert result == "мало"


def test_quantity_label_six_pairs_returns_many():
    result = get_quantity_label(6)

    assert result == "много"