"""Shared imports/helpers for AI PMO decision runtime."""

from __future__ import annotations

import re
from typing import Any

from ..ai_pmo_intent import (
    INTENT_FOLLOWUP_CONFIRM,
    INTENT_FOLLOWUP_CONTINUE,
    INTENT_PROJECT_CREATE,
    INTENT_QUERY,
    INTENT_SIGNAL_CREATE,
    INTENT_SIGNAL_SOURCE_ONBOARD,
    ROUTE_PROJECT_SIGNAL_CANCEL,
    ROUTE_PROJECT_SIGNAL_COMMIT,
    ROUTE_PROJECT_SIGNAL_DISCOVER,
    ROUTE_PROJECT_SIGNAL_REFRESH,
    CanonicalIntent,
)


def normalize_workload_ratio(value: Any) -> float:
    try:
        ratio = float(value or 0.0)
    except (TypeError, ValueError):
        return 0.0
    if ratio <= 0:
        return 0.0
    return ratio / 100.0 if ratio > 1.0 else ratio


def safe_int(value: Any) -> int | None:
    try:
        if value is None or value == "":
            return None
        return int(value)
    except (TypeError, ValueError):
        return None


__all__ = [
    "Any",
    "CanonicalIntent",
    "INTENT_FOLLOWUP_CONFIRM",
    "INTENT_FOLLOWUP_CONTINUE",
    "INTENT_PROJECT_CREATE",
    "INTENT_QUERY",
    "INTENT_SIGNAL_CREATE",
    "INTENT_SIGNAL_SOURCE_ONBOARD",
    "ROUTE_PROJECT_SIGNAL_CANCEL",
    "ROUTE_PROJECT_SIGNAL_COMMIT",
    "ROUTE_PROJECT_SIGNAL_DISCOVER",
    "ROUTE_PROJECT_SIGNAL_REFRESH",
    "normalize_workload_ratio",
    "re",
    "safe_int",
]