#!/usr/bin/env node
// Verifies Rust tests, TS tests and scenarios.md list identical test names per module.
// A module's Expansion Drop (expansion/tests/{rust,ts}, scenarios as `### test_…`
// headings in expansion/README.md) is checked the same way, as a separate set.
import { join } from "node:path";
import { moduleDirs, testNames, scenarioNames } from "./lib.mjs";

const problems = [];
function check(label, path, scenarioFile) {
  const sets = {
    rust: testNames(path, "rust"),
    ts: testNames(path, "ts"),
    scenarios: scenarioNames(path, scenarioFile),
  };
  if (Object.values(sets).every((s) => s.length === 0)) return;
  const all = new Set(Object.values(sets).flat());
  for (const name of [...all].sort()) {
    for (const [where, names] of Object.entries(sets)) {
      if (!names.includes(name)) problems.push(`${label}: ${name} missing from ${where}`);
    }
  }
}

for (const mod of moduleDirs()) {
  const label = `module ${mod.num}-${mod.slug}`;
  check(label, mod.path, "scenarios.md");
  check(`${label} expansion`, join(mod.path, "expansion"), "README.md");
}
if (problems.length) {
  console.error("sync-check: mismatches\n" + problems.map((p) => "  " + p).join("\n"));
  process.exit(1);
}
console.log("sync-check: ok");