"use strict";
const fs = require("node:fs");
const path = require("node:path");
const crypto = require("node:crypto");

const GUIDANCE_FILES = Object.freeze({
  cs: "provozni-bezpecnost-a-zalohovani.md",
  de: "betriebssicherheit-und-datensicherung.md",
  en: "operational-safety-and-backup-guidance.md"
});

function loadGuidanceDocuments(docsRoot) {
  const documents = {};
  for (const [language, filename] of Object.entries(GUIDANCE_FILES)) {
    const text = fs.readFileSync(path.join(docsRoot, filename), "utf8");
    if (text.length < 1000) throw new Error(`Missing or incomplete operational guidance: ${filename}`);
    documents[language] = text;
  }
  const sha256 = crypto.createHash("sha256").update(JSON.stringify(documents)).digest("hex");
  return { documents, sha256 };
}

module.exports = { GUIDANCE_FILES, loadGuidanceDocuments };