import pytest

from mtga_assistant import paths
from mtga_assistant.carddb import CardDB, mana_value, parse_mana


@pytest.mark.parametrize(
    "text,symbols,mv",
    [
        ("o2oU", ["2", "U"], 3),
        ("oW", ["W"], 1),
        ("", [], 0),
        ("o1o(R/G)", ["1", "R/G"], 2),
        ("o1o(B/P)o(B/P)", ["1", "B/P", "B/P"], 3),
        ("o(2/B)o(2/R)", ["2/B", "2/R"], 4),
        ("oXoXoR", ["X", "X", "R"], 1),
        ("o10", ["10"], 10),
    ],
)
def test_parse_mana(text, symbols, mv):
    assert parse_mana(text) == symbols
    assert mana_value(symbols) == mv


def test_missing_db_gives_placeholder():
    db = CardDB(None)
    assert not db.available
    assert db.get(123).name == "Unknown card #123"
    assert db.base_grp(123) == 123


@pytest.fixture(scope="module")
def real_db():
    mtga = paths.find_mtga_dir(paths.load_config())
    path = paths.find_card_db(mtga) if mtga else None
    if path is None:
        pytest.skip("MTGA is not installed on this machine")
    return CardDB(path)


def test_real_db_lookup(real_db):
    island = real_db.get(97169)
    assert island.name == "Island"
    assert island.is_land


def test_real_db_split_card_half_maps_to_whole(real_db):
    # Desist (half) -> Cease // Desist
    assert real_db.base_grp(89160) == 89158
    assert real_db.base_grp(89158) == 89158