"""Built-in method: product_milestone_driven — AP1.1 / AP2.4."""

from __future__ import annotations

from steering.graph.profiles import STRICT
from steering.methods.registrations._helpers import ELEM_NEXT, SLICES_PRODUCT
from steering.methods.registry import MethodDefinition, get_method, register_method

_PRODUCT_STEPS = (
    "intake",
    "method_selection",
    "structure_setup",
    "planning",
    "action_selection",
    "assignment",
    "waiting",
    "result_intake",
    "validation",
    "review",
    "adaptation",
    "closure",
)


def register() -> None:
    if get_method("product_milestone_driven"):
        return
    register_method(
        MethodDefinition(
            key="product_milestone_driven",
            version="0.1.0",
            label="Produkt / Meilenstein",
            description="Meilenstein-orientierte Steuerung für Produkt- und Projektentwicklung",
            default_lifecycle_steps=_PRODUCT_STEPS,
            next_action_strategy_key="product_milestone_driven",
            data_slices=SLICES_PRODUCT,
            compatible_archetype_keys=frozenset(
                {
                    "initiative.product",
                    "initiative.generic",
                    "initiative.linear_project",
                    "initiative.program",
                }
            ),
            steering_elements=ELEM_NEXT
            | frozenset({"gate_fulfillment", "work_cycle_scope"}),
            graph_profile=STRICT,
        )
    )