import time
from gridverse.energi_bridge_skeleton import LocalProblem, SharedSignal, PlanDelta


def test_local_problem_basic():
    lp = LocalProblem(id="lp-001", name="test-problem", variables={"p1": 1.0})
    d = lp.to_dict()
    assert d["id"] == "lp-001"
    assert d["name"] == "test-problem"
    assert d["variables"]["p1"] == 1.0


def test_shared_signal_basic_and_bump():
    s = SharedSignal(name="forecast", value=12.5)
    old_version = s.version
    s.bump(13.0)
    assert s.value == 13.0
    assert s.version == old_version + 1
    assert isinstance(s.to_dict(), dict)


def test_plan_delta_changes_and_serialization():
    pd = PlanDelta(changes=[{"action": "set", "key": "v1", "val": 42}])
    prev_version = pd.version
    pd.add_change({"action": "update", "key": "v1", "val": 43})
    assert pd.version == prev_version + 1
    as_dict = pd.to_dict()
    assert isinstance(as_dict, dict)
    assert "changes" in as_dict