from openpilot.starpilot.common import connect_server as cs


class FakeParams:
  def __init__(self, values=None):
    self.values = dict(values or {})

  def get(self, key):
    return self.values.get(key)

  def put(self, key, value):
    self.values[key] = value

  def put_bool(self, key, value):
    self.values[key] = b"1" if value else b"0"

  def remove(self, key):
    self.values.pop(key, None)


def test_sync_konik_dongle_id_preserves_stock_id_before_switching(monkeypatch, tmp_path):
  monkeypatch.setattr(cs.Paths, "persist_root", staticmethod(lambda: str(tmp_path)))
  monkeypatch.setattr(cs, "use_konik_server", lambda: True)
  monkeypatch.setattr(cs, "register", lambda **kwargs: "konik-dongle")

  params = FakeParams({"DongleId": "stock-dongle"})

  cs.sync_konik_dongle_id(params)

  assert params.get("StockDongleId") == "stock-dongle"
  assert params.get("KonikDongleId") == "konik-dongle"
  assert params.get("DongleId") == "konik-dongle"


def test_sync_konik_dongle_id_restores_stock_id_from_persist(monkeypatch, tmp_path):
  persist_root = tmp_path / "persist"
  persisted_dongle_id_path = persist_root / "comma" / "dongle_id"
  persisted_dongle_id_path.parent.mkdir(parents=True, exist_ok=True)
  persisted_dongle_id_path.write_text("stock-dongle")

  monkeypatch.setattr(cs.Paths, "persist_root", staticmethod(lambda: str(persist_root)))
  monkeypatch.setattr(cs, "use_konik_server", lambda: False)

  params = FakeParams({
    "DongleId": "konik-dongle",
    "KonikDongleId": "konik-dongle",
  })

  cs.sync_konik_dongle_id(params)

  assert params.get("StockDongleId") == "stock-dongle"
  assert params.get("DongleId") == "stock-dongle"


def test_sync_konik_dongle_id_skips_missing_stock_backup(monkeypatch, tmp_path):
  monkeypatch.setattr(cs.Paths, "persist_root", staticmethod(lambda: str(tmp_path)))
  monkeypatch.setattr(cs, "use_konik_server", lambda: False)

  params = FakeParams({
    "DongleId": "konik-dongle",
    "KonikDongleId": "konik-dongle",
  })

  cs.sync_konik_dongle_id(params)

  assert params.get("DongleId") == "konik-dongle"
  assert params.get("StockDongleId") is None


def test_prepare_konik_server_switch_clears_cached_konik_id():
  params = FakeParams({"KonikDongleId": "konik-dongle"})
  params_cache = FakeParams({"KonikDongleId": "konik-dongle"})

  cs.prepare_konik_server_switch(True, params, params_cache)

  assert params.get("UseKonikServer") == b"1"
  assert params.get("KonikDongleId") is None
  assert params_cache.get("KonikDongleId") is None


def test_prepare_konik_server_switch_clears_cached_stock_id():
  params = FakeParams({"DongleId": "konik-dongle"})
  params_cache = FakeParams({"DongleId": "konik-dongle"})

  cs.prepare_konik_server_switch(False, params, params_cache)

  assert params.get("UseKonikServer") == b"0"
  assert params.get("DongleId") is None
  assert params_cache.get("DongleId") is None