# -----------------------------------------------------------------------------
# Food-Ka — tests de la couche de normalisation
# Auteur : Simon-Pierre Boucher — contact@spboucher.ai
# -----------------------------------------------------------------------------
from foodka.normalize import (
    normalize_category,
    parse_price,
    parse_size,
    unit_price,
)
from foodka.schema import Product


def test_parse_price():
    assert parse_price("3,49 $") == 3.49
    assert parse_price("$3.49") == 3.49
    assert parse_price("2 / 5,00 $") == 2.5
    assert parse_price("3 pour 12,00 $") == 4.0
    assert parse_price("99 ¢") == 0.99
    assert parse_price("1 249,99 $") == 1249.99
    assert parse_price(4.29) == 4.29
    assert parse_price("prix en magasin") is None
    assert parse_price(None) is None


def test_parse_size():
    assert parse_size("450 g") == (450.0, "g")
    assert parse_size("2 L") == (2000.0, "ml")
    assert parse_size("1,5 L") == (1500.0, "ml")
    assert parse_size("12 x 355 ml") == (4260.0, "ml")
    assert parse_size("6 un") == (6.0, "un")
    assert parse_size("1 lb") == (453.592, "g")
    assert parse_size("") is None


def test_unit_price():
    assert unit_price(3.5, "500 g") == (0.7, "100 g")
    assert unit_price(6.0, "2 L") == (0.3, "100 ml")
    assert unit_price(12.0, "6 un") == (2.0, "un")
    assert unit_price(None, "500 g") is None


def test_normalize_category():
    assert normalize_category("Fruits et légumes frais") == "Fruits et légumes"
    assert normalize_category("Dairy & Eggs") == "Produits laitiers et œufs"
    assert normalize_category("Boissons gazeuses") == "Boissons"
    assert normalize_category("Surgelés") == "Surgelés"
    assert normalize_category("Mystère") == "Autres"


def test_product_finalize_sale():
    p = Product(source="t", external_id="1", url="u", name=" Beurre ",
                price_label="4,99 $", size_label="454 g",
                regular_price=6.49).finalize()
    assert p.price == 4.99
    assert p.on_sale is True
    assert p.unit_price is not None
    assert p.category == "Autres"


def test_product_finalize_bogus_regular():
    # prix régulier <= prix courant : pas un solde, on le laisse tomber
    p = Product(source="t", external_id="1", url="u", name="x",
                price=5.0, regular_price=5.0).finalize()
    assert p.regular_price is None
    assert p.on_sale is False