"""Unit tests — gate_next_actions proposal."""

from __future__ import annotations

from steering.eval_context import SteeringEvalContext
from steering.kernel.models import HorizonMarker, LifecycleContext, SteeringBinding
from steering.proposals.gate_next_actions import propose_gate_next_actions
from tenant_context import TenantContext


def _ctx(*, backlog_items, read_models=None, gate_id="gate-1"):
    binding = SteeringBinding(
        primary_method_key="sequential_dependency",
        composition_modifier=None,
        next_work_strategy_key="sequential_dependency",
    )
    lifecycle = LifecycleContext(
        current_state="execution",
        current_state_label="Ausführung",
        slot_map={},
        active_slots=(),
        operational_slots=(),
    )
    horizon = HorizonMarker(
        kind="gate",
        gate_roadmap_item_id=gate_id,
        gate_title="Gate A",
    )
    eval_ctx = SteeringEvalContext(
        tenant_ctx=TenantContext(
            user_id="u1",
            email="t@example.com",
            display_name="Test",
            portal_role="user",
            tenant_id="t1",
            tenant_slug="t",
            tenant_name="T",
            tenant_role="admin",
            actor_id=None,
            actor_type=None,
            session_token="test",
            capabilities=frozenset(),
        ),
        initiative_id="init-1",
        binding=binding,
        horizon=horizon,
        lifecycle=lifecycle,
        operating_context={
            "steering_elements": ["gate_fulfillment", "critical_path"],
            "data_slices": ["backlog", "roadmap", "actions"],
            "backlog_vocabulary": {"convertible_kinds": ["story", "bug", "issue"]},
        },
    )
    eval_ctx._backlog_items = backlog_items
    eval_ctx._actions = []
    eval_ctx._work_cycles = []
    return eval_ctx, read_models or {}


def test_gate_proposal_includes_planning_debt():
    eval_ctx, read_models = _ctx(
        backlog_items=[],
        read_models={
            "planning_debt": [
                {
                    "roadmap_item_id": "gate-1",
                    "title": "Gate A",
                    "message": "Kein Plan",
                }
            ]
        },
    )
    result = propose_gate_next_actions(eval_ctx, read_models=read_models)
    assert result[0]["scope_type"] == "roadmap_item"
    assert result[0]["reason_code"] == "planning_debt"


def test_gate_proposal_backlog_at_gate():
    eval_ctx, read_models = _ctx(
        backlog_items=[
            {
                "id": "b1",
                "title": "Story",
                "item_kind": "story",
                "status": "accepted",
                "roadmap_item_id": "gate-1",
                "priority": "normal",
                "sort_order": 0,
            }
        ],
    )
    result = propose_gate_next_actions(eval_ctx, read_models=read_models)
    assert any(p["scope_type"] == "backlog_item" for p in result)