#!/usr/bin/env node
import fs from "node:fs";
import path from "node:path";

const repoRoot = process.cwd();
const packagesDir = path.join(repoRoot, "packages");
const failures = [];

function walk(dir) {
  const entries = fs.readdirSync(dir, { withFileTypes: true });
  const files = [];
  for (const entry of entries) {
    if (entry.name === "node_modules" || entry.name === "dist" || entry.name === ".vitest") {
      continue;
    }
    const absolutePath = path.join(dir, entry.name);
    if (entry.isDirectory()) {
      files.push(...walk(absolutePath));
    } else {
      files.push(absolutePath);
    }
  }
  return files;
}

for (const packageName of fs.readdirSync(packagesDir).sort()) {
  const packageDir = path.join(packagesDir, packageName);
  const packageJsonPath = path.join(packageDir, "package.json");
  if (!fs.existsSync(packageJsonPath)) {
    continue;
  }

  const hasTests = walk(packageDir).some((filePath) => /\.(?:test|spec)\.[cm]?[tj]sx?$/.test(filePath));
  if (!hasTests) {
    continue;
  }

  const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, "utf8"));
  if (typeof packageJson.scripts?.test !== "string" || packageJson.scripts.test.trim().length === 0) {
    failures.push(`${path.relative(repoRoot, packageJsonPath)} has test files but no scripts.test`);
  }
}

if (failures.length > 0) {
  process.stderr.write(`FAIL package test script verification\n${failures.map((failure) => `- ${failure}`).join("\n")}\n`);
  process.exit(1);
}

process.stdout.write("PASS package test script verification\n");