import { createWriteStream } from "node:fs";
import { readdir } from "node:fs/promises";
import path from "node:path";
import { pipeline } from "node:stream/promises";
import yazl from "yazl";

export async function createReleaseArchive({ archivePath, sourceDir }) {
  const zip = new yazl.ZipFile();
  const output = createWriteStream(archivePath);

  await addDirectory(zip, sourceDir, sourceDir);
  zip.end();
  await pipeline(zip.outputStream, output);
}

async function addDirectory(zip, rootDir, currentDir) {
  const entries = await readdir(currentDir, { withFileTypes: true });
  entries.sort((left, right) => left.name.localeCompare(right.name));

  for (const entry of entries) {
    const absolutePath = path.join(currentDir, entry.name);
    const relativePath = path.relative(rootDir, absolutePath);

    if (entry.isDirectory()) {
      await addDirectory(zip, rootDir, absolutePath);
      continue;
    }

    if (entry.isFile()) {
      zip.addFile(absolutePath, relativePath);
    }
  }
}