import fs from 'node:fs';
import path from 'node:path';
import assert from 'node:assert/strict';
import { loadWasmProbe } from './wasm-probe-runtime.mjs';

const name = process.argv[2];
const manifest = JSON.parse(fs.readFileSync('web/public/modules/manifest.json', 'utf8'));
const module = manifest.modules[name];
assert.ok(module, `Unknown module ${name}`);
const runtimes = [...new Set(Object.values(module.workers).map(worker => worker.runtimeUrl))];
assert.ok(runtimes.length, 'No runtime declared');
const results = [];
try {
  for (const runtime of runtimes) {
    assert.ok(runtime?.startsWith('/kernel/'), 'Expected local published runtime');
    const stem = path.basename(runtime, '.js');
    const { kernel } = await loadWasmProbe('web/public/kernel', stem);
    try {
      assert.equal(typeof kernel.ccall, 'function');
      const entries = Object.keys(kernel).filter(key => /^_fc_web_.*_initialize$/.test(key));
      const initialized = [];
      for (const entry of entries) {
        const nativeName = {Assembly: 'AssemblyApp', CAM: 'PathApp'}[name] ?? name;
        const result = kernel.ccall(entry.slice(1), 'number', ['string'], [nativeName]);
        assert.equal(result, 1, `${entry} returned ${result}`);
        initialized.push(entry.slice(1));
      }
      results.push({runtime, status: 'pass', initialized,
        coverage: initialized.length ? 'WASM instantiation and exported initialization' : 'WASM instantiation only; business behavior covered separately'});
    } finally { kernel.PThread?.terminateAllThreads?.(); }
  }
  console.log(JSON.stringify({status:'pass', module:name, runtimes:results}));
} catch (error) {
  console.error(error.stack ?? String(error));
  console.log(JSON.stringify({status:'fail', module:name, runtimes:results, error:String(error)}));
  process.exitCode = 1;
}