import { mkdtemp, readdir, rm } from "node:fs/promises";
import { tmpdir } from "node:os";
import { basename, join } from "node:path";
import { fileURLToPath } from "node:url";
import { spawnSync } from "node:child_process";
import { build } from "esbuild";

const directory = fileURLToPath(new URL(".", import.meta.url));
const output = await mkdtemp(join(tmpdir(), "yawn-fxnode-rg-tests-"));

try {
  const entries = (await readdir(directory))
    .filter((name) => name.endsWith(".test.ts"))
    .sort()
    .map((name) => join(directory, name));
  await build({
    entryPoints: entries,
    outdir: output,
    entryNames: "[name]",
    outExtension: { ".js": ".mjs" },
    bundle: true,
    format: "esm",
    platform: "node",
    target: "node20",
    sourcemap: "inline",
  });
  const tests = entries.map((entry) =>
    join(output, `${basename(entry, ".ts")}.mjs`),
  );
  const result = spawnSync(process.execPath, ["--test", ...tests], {
    stdio: "inherit",
  });
  if (result.error) throw result.error;
  process.exitCode = result.status ?? 1;
} finally {
  await rm(output, { force: true, recursive: true });
}