// Rôle : fournit les primitives communes de normalisation et d'identifiants du stockage toolbox.
export const ID_PREFIXES = {
  tbx: "t",
  mod: "m",
  item: "i",
  section: "g",
  image: "s",
  link: "l",
  counter: "c",
  combo: "o",
  calc: "r",
  calendar: "h",
  marker: "k",
  timer: "z",
  task: "a",
  relation: "e",
  stroke: "d",
  equipmentType: "y",
  equipment: "q",
  trait: "v",
  material: "n",
  socketItem: "j",
  socketLink: "u",
  socketBonus: "b"
};

const ID_ALPHABET = "abcdefghijklmnopqrstuvwxyz0123456789";

function randomToken(length = 6) {
  const bytes = new Uint8Array(length);
  if (globalThis.crypto?.getRandomValues) {
    globalThis.crypto.getRandomValues(bytes);
    return [...bytes].map((byte) => ID_ALPHABET[byte % ID_ALPHABET.length]).join("");
  }
  return Math.random().toString(36).slice(2, 2 + length).padEnd(length, "0");
}

export function uid(prefix) {
  return `${ID_PREFIXES[prefix] || "x"}${randomToken()}`;
}

export function parsePositiveInt(value, fallback = 1) {
  const parsed = Number.parseInt(value, 10);
  return Number.isFinite(parsed) && parsed > 0 ? parsed : fallback;
}

export function normalizeIsoDate(value) {
  const text = String(value || "").trim();
  if (!text) return "";
  const timestamp = Date.parse(text);
  return Number.isFinite(timestamp) ? new Date(timestamp).toISOString() : "";
}

export function normalizeTimestamp(value) {
  const parsed = Number(value);
  return Number.isFinite(parsed) && parsed > 0 ? parsed : 0;
}