import time

from nova_plan.planner import LocalProblem
from nova_plan.contracts import PlanDelta
from nova_plan.interop_catopt import local_to_canon, canon_delta_to_morphism
from nova_plan.catopt_bridge import ObjectI, Morphism


def test_local_to_canon_wrapper_returns_objectI():
    lp = LocalProblem(
        id="interop-agent",
        objective=lambda v, s: sum(v.values()) + sum(s.values()),
        variables={"x": 3.0},
        constraints={},
    )
    obj = local_to_canon(lp)
    assert isinstance(obj, ObjectI)
    assert obj.id == "interop-agent"
    assert "variables" in obj.payload


def test_canon_delta_from_plan_delta():
    d = PlanDelta(agent_id="interop-agent", delta={"x": 0.25}, timestamp=time.time())
    m = canon_delta_to_morphism(d)
    assert isinstance(m, Morphism)
    assert m.source == "interop-agent"
    assert m.target == "global"
    assert m.data == {"x": 0.25}
    assert m.contract_id == "default"