import pytest
from PySide6.QtCore import QSettings

from mtga_assistant.ui.toggles import Toggles

ITEMS = [("a", "A"), ("b", "B"), ("c", "C")]


@pytest.fixture(autouse=True)
def isolated_settings(tmp_path):
    QSettings.setPath(QSettings.Format.NativeFormat, QSettings.Scope.UserScope, str(tmp_path))
    yield


def test_default_order_and_visibility():
    t = Toggles("g1", ITEMS, defaults_off={"b"})
    assert t.order() == ["a", "b", "c"]
    assert not t.on("b") and t.on("a")


def test_order_and_visibility_persist():
    t = Toggles("g2", ITEMS)
    t.apply(["c", "a", "b"], {"a": False})
    again = Toggles("g2", ITEMS)
    assert again.order() == ["c", "a", "b"]
    assert not again.on("a") and again.on("c")
    assert [k for k, _ in again.ordered_items()] == ["c", "a", "b"]


def test_new_items_slot_in_after_their_default_neighbour():
    Toggles("g3", ITEMS).apply(["c", "a", "b"], {})
    grown = Toggles("g3", [("a", "A"), ("new", "New"), ("b", "B"), ("c", "C")])
    assert grown.order() == ["c", "a", "new", "b"]


def test_unknown_saved_keys_are_dropped_and_reset_restores_defaults():
    t = Toggles("g4", ITEMS)
    t.apply(["gone", "b", "a", "c"], {"b": False})
    assert t.order() == ["b", "a", "c"]
    t.reset()
    assert t.order() == ["a", "b", "c"] and t.on("b")