const MIN_NODE_VERSION = 12;

const [major] = process.versions.node.split(".").map(Number);
if (major < MIN_NODE_VERSION) {
  console.log(
    `[skip] Node v${process.versions.node} < v${MIN_NODE_VERSION}, skipping copy+zip step`
  );
  process.exit(0);
}

const fs = require("fs");
const path = require("path");

const root = path.join(__dirname, "..");
const src = path.join(root, "buildAnnexation");
const dest = path.join(root, "yos");

function copyDir(srcDir, destDir) {
  fs.mkdirSync(destDir, { recursive: true });
  const entries = fs.readdirSync(srcDir, { withFileTypes: true });
  for (const entry of entries) {
    const srcPath = path.join(srcDir, entry.name);
    const destPath = path.join(destDir, entry.name);
    if (entry.isDirectory()) {
      copyDir(srcPath, destPath);
    } else {
      fs.copyFileSync(srcPath, destPath);
    }
  }
}

function zipDir(dir, zipPath) {
  return new Promise((resolve, reject) => {
    try {
      const archiver = require("archiver");
      const output = fs.createWriteStream(zipPath);
      const archive = archiver("zip", { zlib: { level: 1 } });
      output.on("close", resolve);
      archive.on("error", reject);
      archive.pipe(output);
      archive.directory(dir, false);
      archive.finalize();
    } catch (err) {
      reject(err);
    }
  });
}

async function main() {
  // 1. copy buildAnnexation into yos
  const entries = fs.readdirSync(src, { withFileTypes: true });
  for (const entry of entries) {
    const srcPath = path.join(src, entry.name);
    const destPath = path.join(dest, entry.name);
    if (entry.isDirectory()) {
      copyDir(srcPath, destPath);
    } else {
      fs.copyFileSync(srcPath, destPath);
    }
    console.log("copied:", entry.name);
  }
  console.log("buildAnnexation -> yos done");

  // 2. zip yos/ contents (without the yos folder itself)
  const zipPath = path.join(root, "yos.zip");
  try {
    await zipDir(dest, zipPath);
    console.log("zip: yos.zip created");
  } catch (err) {
    console.log("[skip] archiver not available, skipping zip step");
  }
}

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