from lobby_widget import LobbyWidget


def test_session_selection_uses_existing_join_flow(qtbot):
    lobby = LobbyWidget()
    qtbot.addWidget(lobby)
    assert lobby.listed_checkbox.isChecked()
    rooms = [{"code": "ABC123", "fileInfo": {"name": "movie.mkv"},
              "users": ["Host"], "playing": True, "position": 75}]
    lobby.update_sessions(rooms)
    lobby.sessions_list.setCurrentRow(0)
    assert not lobby.session_join_btn.isEnabled()
    lobby.username_input.setText("Alex")
    assert lobby.session_join_btn.isEnabled()
    with qtbot.waitSignal(lobby.join_requested) as signal:
        lobby.join_selected_session()
    assert signal.args == ["Alex", "ABC123"]
    lobby.reset_ui()
    lobby.update_sessions(rooms)
    assert lobby.sessions_list.currentItem().data(256) == "ABC123"
    lobby.update_sessions([])
    assert not lobby.session_join_btn.isEnabled()
    assert "No active sessions" in lobby.sessions_status.text()