import json
from pathlib import Path

from phase_memory.activation import activation_action, plan_activation
from phase_memory.contracts import graph_from_markitect
from phase_memory.models import LifecycleActionKind


def test_activation_planner_emits_markitect_selection_under_budget() -> None:
    graph_data = json.loads((Path(__file__).parent / "fixtures" / "memory-graph.json").read_text(encoding="utf-8"))
    graph = graph_from_markitect(graph_data).value

    plan = plan_activation(
        graph,
        max_items=2,
        max_tokens=18,
        profile_id="phase-memory-fixture-profile",
        priority_node_ids=("decision.boundary",),
    )

    assert plan.selected_node_ids[0] == "decision.boundary"
    assert len(plan.selected_node_ids) <= 2
    assert plan.token_estimate <= 18
    assert plan.selection["schema_version"] == "markitect.memory.selection.v1"
    assert plan.selection["profile"] == "phase-memory-fixture-profile"
    assert plan.omitted


def test_activation_action_wraps_selection_for_context_package_boundary() -> None:
    graph = graph_from_markitect(json.loads((Path(__file__).parent / "fixtures" / "memory-graph.json").read_text(encoding="utf-8"))).value
    plan = plan_activation(graph, max_items=1, max_tokens=20)

    action = activation_action(plan)

    assert action.action == LifecycleActionKind.ACTIVATE
    assert action.metadata["selection"]["id"] == plan.plan_id