#!/usr/bin/env node
import assert from 'node:assert/strict';
import fs from 'node:fs/promises';
import path from 'node:path';
import { pathToFileURL } from 'node:url';
import { stripTypeScriptTypes } from 'node:module';

const __dirname = path.dirname(new URL(import.meta.url).pathname);
const repoRoot = path.resolve(__dirname, '..');
const handlerPath = path.join(repoRoot, 'hooks', 'force-recall', 'handler.ts');
const wrapperPath = path.join(repoRoot, 'scripts', 'long_task_governor_wrapper.mjs');

async function importTsModule(tsPath) {
  const source = await fs.readFile(tsPath, 'utf8');
  const jsSource = stripTypeScriptTypes(source, { mode: 'strip' });
  const dataUrl = `data:text/javascript;charset=utf-8,${encodeURIComponent(jsSource)}\n//# sourceURL=${encodeURIComponent(pathToFileURL(tsPath).href)}`;
  return import(dataUrl);
}

async function main() {
  await fs.access(wrapperPath);
  const { default: forceRecall } = await importTsModule(handlerPath);
  assert.equal(typeof forceRecall, 'function', 'force-recall handler should export default function');

  const requestText = [
    'Please inspect the workspace files and verify the hook injection path.',
    'I need you to review the behavior, choose the final accept/reject decision,',
    'and continue in background with a follow-up later.',
  ].join(' ');

  const event = {
    type: 'message',
    action: 'preprocessed',
    context: {
      workspaceDir: repoRoot,
      body: requestText,
      bodyForAgent: requestText,
    },
  };

  await forceRecall(event);

  const injected = event.context?.bodyForAgent;
  assert.equal(typeof injected, 'string', 'event.context.bodyForAgent should be a string after handler runs');

  const expectedSnippets = [
    '[LONG_TASK_GOVERNOR_PREFLIGHT]',
    'classification=long_task',
    'silentLaunchOk=false',
    'handoff.mode=button_path',
    'HARD_GATE:',
  ];

  for (const snippet of expectedSnippets) {
    assert.match(injected, new RegExp(snippet.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')), `missing snippet: ${snippet}`);
  }

  const summary = {
    ok: true,
    checked: expectedSnippets,
    bodyPreview: injected.split('\n').slice(0, 20),
  };

  process.stdout.write(JSON.stringify(summary, null, 2) + '\n');
}

main().catch((error) => {
  console.error(error);
  process.exitCode = 1;
});