// __tests__/run-tests.cjs
const fs = require("node:fs");
const path = require("node:path");
const { spawnSync } = require("node:child_process");
const dotenv = require("dotenv");

function walk(dir) {
  const out = [];
  for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
    const full = path.join(dir, entry.name);
    if (entry.isDirectory()) out.push(...walk(full));
    else if (entry.isFile() && entry.name.endsWith(".test.ts")) out.push(full);
  }
  return out;
}

const cwd = process.cwd();
dotenv.config({ path: path.join(cwd, ".env") });
const testsDir = path.join(cwd, "__tests__");
const testFiles = fs.existsSync(testsDir) ? walk(testsDir) : [];

const inferredAllowedDbNames = (() => {
  if (process.env.ALLOWED_DB_NAMES) return process.env.ALLOWED_DB_NAMES;
  if (!process.env.DATABASE_URL) return undefined;
  try {
    const url = new URL(process.env.DATABASE_URL);
    const name = url.pathname.replace(/^\/+/, "");
    return name ? decodeURIComponent(name) : undefined;
  } catch {
    return undefined;
  }
})();

if (testFiles.length === 0) {
  console.error("No .test.ts files found under __tests__/");
  process.exit(1);
}

// Run Node's test runner, with tsx registered so TS can execute.
// Node supports registering tsx via --import=tsx. :contentReference[oaicite:2]{index=2}
const nodeArgs = [
  "--require",
  "./__tests__/server-only.cjs",
  "--import",
  "tsx",
  "--test-concurrency=1",
  "--test",
  // Optional nicer output:
  // "--test-reporter=spec",
  ...testFiles,
];

const env = {
  ...process.env,
  NODE_ENV: "test",
  NODE_PATH: path.join(cwd, "__tests__", "node_modules"),
  ...(inferredAllowedDbNames ? { ALLOWED_DB_NAMES: inferredAllowedDbNames } : {}),
};

const r = spawnSync(process.execPath, nodeArgs, {
  stdio: "inherit",
  cwd,
  env,
  shell: false,
});

process.exit(r.status ?? 1);