from fenrirscreenreader.core.debugManager import DebugManager


def test_default_debug_file_uses_flat_name(tmp_path, monkeypatch):
    monkeypatch.setattr(DebugManager, "DEFAULT_LOG_DIR", str(tmp_path))
    manager = DebugManager()
    try:
        manager.open_debug_file()

        assert manager.get_debug_file() == str(tmp_path / "fenrir.log")
        assert (tmp_path / "fenrir.log").exists()
    finally:
        manager.close_debug_file()


def test_default_debug_file_uses_next_number_when_locked(
    tmp_path, monkeypatch
):
    monkeypatch.setattr(DebugManager, "DEFAULT_LOG_DIR", str(tmp_path))
    first_manager = DebugManager()
    second_manager = DebugManager()
    try:
        first_manager.open_debug_file()
        second_manager.open_debug_file()

        assert first_manager.get_debug_file() == str(tmp_path / "fenrir.log")
        assert second_manager.get_debug_file() == str(
            tmp_path / "fenrir2.log"
        )
        assert (tmp_path / "fenrir2.log").exists()
    finally:
        second_manager.close_debug_file()
        first_manager.close_debug_file()


def test_default_debug_file_reuses_unlocked_flat_name(tmp_path, monkeypatch):
    monkeypatch.setattr(DebugManager, "DEFAULT_LOG_DIR", str(tmp_path))
    first_manager = DebugManager()
    second_manager = DebugManager()
    try:
        first_manager.open_debug_file()
        first_manager.close_debug_file()
        second_manager.open_debug_file()

        assert second_manager.get_debug_file() == str(tmp_path / "fenrir.log")
    finally:
        second_manager.close_debug_file()


def test_explicit_debug_file_uses_exact_path(tmp_path):
    debug_file = tmp_path / "custom.log"
    manager = DebugManager(str(debug_file))
    try:
        manager.open_debug_file()

        assert manager.get_debug_file() == str(debug_file)
        assert debug_file.exists()
    finally:
        manager.close_debug_file()