// Rôle : normalise et compacte les données du calculateur.
import { uid } from "./shared.js";

function normalizeCalculatorValue(value) {
  const parsed = Number(value);
  return Number.isFinite(parsed) ? parsed : 0;
}

function normalizeCalculatorFormula(value) {
  return String(value || "").replaceAll(",", ".").trim();
}

export function normalizeCalculatorData(data) {
  const entries = (data?.entries || [])
    .map((entry) => ({
      id: entry?.id || uid("calc"),
      parentId: String(entry?.parentId || ""),
      label: String(entry?.label || "").trim(),
      value: normalizeCalculatorValue(entry?.value),
      formula: normalizeCalculatorFormula(entry?.formula)
    }));
  const entryIds = new Set(entries.map((entry) => entry.id));
  return {
    scrollResults: data?.scrollResults === true,
    entries: entries.map((entry) => entryIds.has(entry.parentId) ? entry : { ...entry, parentId: "" })
  };
}

export function compactCalculatorDataForStorage(value) {
  const normalized = normalizeCalculatorData(value);
  const entries = normalized.entries.map((entry) => {
    const compact = { id: entry.id, label: entry.label, value: entry.value };
    if (entry.parentId) compact.parentId = entry.parentId;
    if (entry.formula) compact.formula = entry.formula;
    return compact;
  });
  if (!entries.length && !normalized.scrollResults) return null;
  return normalized.scrollResults ? { entries, scrollResults: true } : { entries };
}