"""Standard Lifecycle — gemeinsame Basis (AP1.0)."""

from __future__ import annotations

STANDARD_LIFECYCLE_STEPS: tuple[str, ...] = (
    "intake",
    "method_selection",
    "structure_setup",
    "planning",
    "action_selection",
    "assignment",
    "waiting",
    "result_intake",
    "validation",
    "review",
    "adaptation",
    "closure",
)

LIFECYCLE_LABELS: dict[str, str] = {
    "intake": "Aufnahme",
    "method_selection": "Methode wählen",
    "structure_setup": "Struktur aufbauen",
    "planning": "Planung",
    "action_selection": "Maßnahmen auswählen",
    "assignment": "Zuweisen",
    "waiting": "Warten",
    "result_intake": "Ergebnis aufnehmen",
    "validation": "Validierung",
    "review": "Review",
    "adaptation": "Anpassung",
    "closure": "Abschluss",
}


def lifecycle_label(state: str) -> str:
    return LIFECYCLE_LABELS.get(state, state)


def validate_lifecycle_state(state: str) -> None:
    if state not in STANDARD_LIFECYCLE_STEPS:
        raise ValueError(f"Ungültiger Lifecycle-State: {state}")