import os
import shutil
import sys

import pytest

ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.insert(0, ROOT)
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))


@pytest.fixture(autouse=True)
def isolated_home(tmp_path, monkeypatch):
    """User data/config/cache go to a temp folder (never touch the real settings or stores), and the language
    the game is set to on this machine (Documents\\WB Games\\...\\UserEngine.ini) does not leak into tests."""
    from ackit import game as G
    monkeypatch.setenv("ACKIT_HOME", str(tmp_path / "home"))
    real = G.Game.config_dirs
    mine = os.path.normcase(os.path.join(os.path.expanduser("~"), "Documents", "WB Games"))
    monkeypatch.setattr(G.Game, "config_dirs",
                        lambda self: [d for d in real(self) if not os.path.normcase(d).startswith(mine)])
    yield


@pytest.fixture(scope="session")
def synth_template(tmp_path_factory):
    import synth
    d = tmp_path_factory.mktemp("synth_template")
    originals = synth.make_game(str(d))
    return str(d), originals


@pytest.fixture
def synth_game(synth_template, tmp_path):
    """A fresh copy of the synthetic game folder for each test -> (root, originals)."""
    src, originals = synth_template
    dst = str(tmp_path / "game")
    shutil.copytree(src, dst)
    return dst, originals


def _real_game():
    from ackit.game import find_installs
    try:
        found = find_installs()
    except Exception:
        found = []
    return found[0] if found else None


@pytest.fixture(scope="session")
def real_game_dir():
    d = os.environ.get("ACKIT_TEST_GAME") or _real_game()
    if not d:
        pytest.skip("real game not installed")
    return d