/**
 * Publica el instalador NSIS en MinIO y actualiza latest.json + DATA.txt.
 *
 * Uso:
 *   set MINIO_ACCESS_KEY=...
 *   set MINIO_SECRET_KEY=...
 *   npm run publish:minio
 *
 * Opcional:
 *   MINIO_ENDPOINT=https://s3.builker.xyz
 *   MINIO_BUCKET=apps-versions
 *   MINIO_PREFIX=IPSExtractor
 *   RELEASE_DATE=11/07/2026   (formato DATA.txt DD/MM/YYYY; default: fecha de hoy)
 */
import { createHash } from "node:crypto";
import { createReadStream, existsSync, readFileSync, statSync, writeFileSync } from "node:fs";
import { join, dirname } from "node:path";
import { fileURLToPath } from "node:url";
import { S3Client, PutObjectCommand } from "@aws-sdk/client-s3";

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

/** Carga KEY=VALUE desde un archivo local (sin dependencia dotenv). */
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"));

const pkg = JSON.parse(readFileSync(join(root, "package.json"), "utf8"));
const version = pkg.version;
const endpoint = (process.env.MINIO_ENDPOINT || "https://s3.builker.xyz").replace(/\/$/, "");
const bucket = process.env.MINIO_BUCKET || "apps-versions";
const prefix = (process.env.MINIO_PREFIX || "IPSExtractor").replace(/^\/|\/$/g, "");
const accessKey = process.env.MINIO_ACCESS_KEY || process.env.AWS_ACCESS_KEY_ID;
const secretKey = process.env.MINIO_SECRET_KEY || process.env.AWS_SECRET_ACCESS_KEY;

if (!accessKey || !secretKey) {
  console.error(
    "Faltan credenciales. Define MINIO_ACCESS_KEY y MINIO_SECRET_KEY (o AWS_ACCESS_KEY_ID / AWS_SECRET_ACCESS_KEY).",
  );
  process.exit(1);
}

const setupName = `IPSExtractor-Desktop-${version}-Setup.exe`;
const setupPath = join(root, "release", setupName);
if (!existsSync(setupPath)) {
  console.error(`No se encontró ${setupPath}. Ejecuta antes: npm run dist`);
  process.exit(1);
}

function todayDisplay() {
  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 `${dd}/${mm}/${yyyy}`;
}

function isoFromDisplay(display) {
  // DD/MM/YYYY → YYYY-MM-DD
  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")}`;
}

function resolveReleaseDateDisplay() {
  // Prioridad: RELEASE_DATE explícita → fecha de hoy al publicar.
  if (process.env.RELEASE_DATE) return String(process.env.RELEASE_DATE).trim();
  return todayDisplay();
}

async function sha256File(filePath) {
  return new Promise((resolve, reject) => {
    const hash = createHash("sha256");
    const stream = createReadStream(filePath);
    stream.on("data", (chunk) => hash.update(chunk));
    stream.on("error", reject);
    stream.on("end", () => resolve(hash.digest("hex")));
  });
}

async function upload(client, key, body, contentType) {
  await client.send(
    new PutObjectCommand({
      Bucket: bucket,
      Key: key,
      Body: body,
      ContentType: contentType,
    }),
  );
  console.log(`  ↑ s3://${bucket}/${key}`);
}

async function main() {
  const releaseDateDisplay = resolveReleaseDateDisplay();
  const releaseDateIso = isoFromDisplay(releaseDateDisplay) || new Date().toISOString().slice(0, 10);
  const sha256 = await sha256File(setupPath);
  const { size } = statSync(setupPath);

  const publicBase = `${endpoint}/${bucket}/${prefix}`;
  const objectKeyExe = `${prefix}/${version}/${setupName}`;
  const objectKeyData = `${prefix}/${version}/DATA.txt`;
  const objectKeyLatest = `${prefix}/latest.json`;
  const publicUrl = `${publicBase}/${version}/${setupName}`;

  const latest = {
    version,
    releaseDate: releaseDateIso,
    releaseDateDisplay,
    fileName: setupName,
    url: publicUrl,
    sha256,
    size,
  };

  // Actualiza version.json local para alinear la UI con la fecha publicada
  writeFileSync(
    join(root, "src/shared/version.json"),
    `${JSON.stringify({ releaseDate: releaseDateIso }, null, 2)}\n`,
    "utf8",
  );

  const client = new S3Client({
    region: process.env.MINIO_REGION || "us-east-1",
    endpoint,
    forcePathStyle: true,
    credentials: {
      accessKeyId: accessKey,
      secretAccessKey: secretKey,
    },
  });

  console.log(`Publicando v${version} → ${endpoint}/${bucket}/${prefix}/`);
  await upload(client, objectKeyExe, createReadStream(setupPath), "application/octet-stream");
  await upload(client, objectKeyData, `${releaseDateDisplay}\n`, "text/plain; charset=utf-8");
  await upload(
    client,
    objectKeyLatest,
    Buffer.from(`${JSON.stringify(latest, null, 2)}\n`, "utf8"),
    "application/json",
  );

  console.log("\nListo.");
  console.log(`  latest.json: ${publicBase}/latest.json`);
  console.log(`  DATA.txt:    ${publicBase}/${version}/DATA.txt  → ${releaseDateDisplay}`);
  console.log(`  Setup:       ${publicUrl}`);
}

main().catch((err) => {
  console.error(err);
  process.exit(1);
});