"""NPitV (справочник питательных веществ) → ключи показателей WESP."""

from __future__ import annotations

# NORMY_MOSKWA_LACTIR / NORM_1_1_CALC: NPitV 1–24 (pom=1)
NPITV_TO_INDICATOR: dict[int, str] = {
    1: "feed_units",
    2: "oe",
    3: "dry_matter",
    4: "crude_protein",
    5: "digestible_protein",
    6: "crude_fat",
    7: "nel",
    8: "rnb",
    9: "usp",
    10: "sodium",
    11: "magnesium",
    12: "starch",
    13: "potassium",
    14: "calcium",
    15: "phosphorus",
    16: "iron",
    17: "copper",
    18: "zinc",
    19: "manganese",
    20: "cobalt",
    21: "iodine",
    22: "carotene",
    23: "vitamin_d",
    24: "vitamin_e",
}

DAIRY_LACTIR_NPITV: tuple[int, ...] = tuple(range(1, 25))

# Обратная совместимость
DAIRY_CORE_NPITV: tuple[int, ...] = (2, 3, 4, 5, 7, 8, 9, 10, 12, 14, 15)

INDICATOR_TO_NPITV: dict[str, int] = {v: k for k, v in NPITV_TO_INDICATOR.items()}


def indicator_for_npitv(npitv: int) -> str | None:
    return NPITV_TO_INDICATOR.get(npitv)