#!/usr/bin/env node

/**
 * Integration test for CMS deploy versioning (MITHOME-63):
 *   1. GET /version is public and reports the git SHA of the checked-out commit
 *   2. the editor page displays the same version in the bottom bar
 *   3. a startup audit entry records the version
 */
const assert = require('assert/strict');
const { execFileSync, spawn } = require('child_process');
const fs = require('fs');
const os = require('os');
const path = require('path');

const ROOT = path.join(__dirname, '..');
const PORT = 4129;
const BASE = `http://127.0.0.1:${PORT}`;
const tmp = fs.mkdtempSync(path.join(os.tmpdir(), 'cms-version-'));
const auditFile = path.join(tmp, 'audit.jsonl');

const expectedVersion = execFileSync('git', ['-C', ROOT, 'rev-parse', '--short', 'HEAD'], { encoding: 'utf8' }).trim();

const child = spawn('node', ['content-editor.js'], {
  cwd: ROOT,
  env: {
    ...process.env,
    CONTENT_EDITOR_PORT: String(PORT),
    CONTENT_EDITOR_AUDIT_FILE: auditFile,
    CMS_USER: 'version-test-user',
    CMS_PASS: 'version-test-pass',
    CMS_DEPLOY_ENV: 'staging',
  },
  stdio: 'ignore',
});

async function waitForServer(timeoutMs = 10000) {
  const deadline = Date.now() + timeoutMs;
  while (Date.now() < deadline) {
    try {
      await fetch(`${BASE}/version`);
      return;
    } catch {
      await new Promise(r => setTimeout(r, 200));
    }
  }
  throw new Error('server did not start');
}

async function main() {
  await waitForServer();

  // 1. public /version
  const res = await fetch(`${BASE}/version`);
  assert.equal(res.status, 200);
  const body = await res.json();
  assert.equal(body.version, expectedVersion);
  assert.equal(body.env, 'staging');

  // 2. footer shows the same version
  const login = await fetch(`${BASE}/login`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ user: 'version-test-user', pass: 'version-test-pass' }),
  });
  const cookie = (login.headers.get('set-cookie') || '').split(';')[0];
  const page = await (await fetch(`${BASE}/`, { headers: { Cookie: cookie, Accept: 'text/html' } })).text();
  assert.ok(page.includes(`v${expectedVersion}`), 'bottom bar must show the deploy version');

  // 3. startup audit entry
  const audit = fs.readFileSync(auditFile, 'utf8').trim().split('\n').map(l => JSON.parse(l));
  const startup = audit.find(e => e.event === 'startup');
  assert.ok(startup, 'startup audit entry exists');
  assert.equal(startup.version, expectedVersion);

  console.log('Content Editor deploy version test: OK');
}

main()
  .catch(err => { console.error('❌', err.message); process.exitCode = 1; })
  .finally(() => {
    child.kill('SIGTERM');
    try { fs.rmSync(tmp, { recursive: true, force: true }); } catch { /* best effort */ }
  });