/**
 * Escribe src/shared/version.json con la fecha de release.
 * Default: hoy. Override: RELEASE_DATE=DD/MM/YYYY (env o .env.minio).
 *
 * Debe ejecutarse ANTES de vite build: la UI inyecta esta fecha en compile-time.
 */
import { existsSync, readFileSync, writeFileSync } from "node:fs";
import { dirname, join } from "node:path";
import { fileURLToPath } from "node:url";

const __dirname = dirname(fileURLToPath(import.meta.url));
const root = join(__dirname, "..");

function loadEnvFile(filePath) {
  if (!existsSync(filePath)) return;
  const text = readFileSync(filePath, "utf8");
  for (const line of text.split(/\r?\n/)) {
    const trimmed = line.trim();
    if (!trimmed || trimmed.startsWith("#")) continue;
    const eq = trimmed.indexOf("=");
    if (eq <= 0) continue;
    const key = trimmed.slice(0, eq).trim();
    let value = trimmed.slice(eq + 1).trim();
    if (
      (value.startsWith('"') && value.endsWith('"')) ||
      (value.startsWith("'") && value.endsWith("'"))
    ) {
      value = value.slice(1, -1);
    }
    if (!(key in process.env) || process.env[key] === "") {
      process.env[key] = value;
    }
  }
}

loadEnvFile(join(root, ".env.minio"));
loadEnvFile(join(root, ".env"));

function todayIso() {
  const d = new Date();
  const dd = String(d.getDate()).padStart(2, "0");
  const mm = String(d.getMonth() + 1).padStart(2, "0");
  const yyyy = d.getFullYear();
  return `${yyyy}-${mm}-${dd}`;
}

function isoFromDisplay(display) {
  const m = String(display).trim().match(/^(\d{1,2})\/(\d{1,2})\/(\d{4})$/);
  if (!m) return null;
  const [, dd, mm, yyyy] = m;
  return `${yyyy}-${mm.padStart(2, "0")}-${dd.padStart(2, "0")}`;
}

const releaseDateIso = process.env.RELEASE_DATE
  ? isoFromDisplay(process.env.RELEASE_DATE) || todayIso()
  : todayIso();

const outPath = join(root, "src/shared/version.json");
writeFileSync(outPath, `${JSON.stringify({ releaseDate: releaseDateIso }, null, 2)}\n`, "utf8");
console.log(`releaseDate → ${releaseDateIso} (${outPath})`);