'use strict';

const assert = require('assert/strict');
const fs = require('fs');
const http = require('http');
const os = require('os');
const path = require('path');
const {
  readLocalVersion,
  compareVersions,
  checkForUpdate,
  isCompiledDelivery,
  spawnUpdateHelper,
} = require('../mcp/src/core/update-service');

async function main() {
  const root = fs.mkdtempSync(path.join(os.tmpdir(), 'qiwei-update-smoke-'));
  const runtime = path.join(root, 'outputs', 'runtime');
  fs.mkdirSync(runtime, { recursive: true });
  fs.writeFileSync(path.join(root, 'version.json'), JSON.stringify({ product: 'fmode-qiwei-training', version: '0.5.2', platform: 'win-x64' }), 'utf8');
  const server = http.createServer((req, res) => {
    res.writeHead(200, { 'content-type': 'application/json' });
    res.end(JSON.stringify({
      product: 'fmode-qiwei-training',
      version: '0.5.3',
      notes: 'smoke',
      platforms: { 'win-x64': { url: 'https://example.invalid/update.zip', sha256: '0'.repeat(64) } },
    }));
  });
  await new Promise(resolve => server.listen(0, '127.0.0.1', resolve));
  const url = `http://127.0.0.1:${server.address().port}/latest.json`;
  try {
    assert.equal(readLocalVersion(root).version, '0.5.2');
    assert.equal(compareVersions('0.5.3', '0.5.2'), 1);
    assert.equal(compareVersions('0.5.2', '0.5.2'), 0);
    const result = await checkForUpdate({ root, manifestUrl: url, timeoutMs: 2000 });
    assert.equal(result.status, 'update_available');
    assert.equal(result.latest.version, '0.5.3');
    assert.equal(result.release.url, 'https://example.invalid/update.zip');
    assert.equal(fs.existsSync(path.join(runtime, 'update-status.json')), true);
    if (!isCompiledDelivery()) {
      assert.throws(() => spawnUpdateHelper('missing.zip', root), /开发源码模式/);
    }
    process.stdout.write(JSON.stringify({ status: 'passed', checks: ['version-read', 'semver-compare', 'manifest-check', 'source-replacement-guard'] }, null, 2) + '\n');
  } finally {
    await new Promise(resolve => server.close(resolve));
    fs.rmSync(root, { recursive: true, force: true });
  }
}

main().catch(error => {
  process.stderr.write(JSON.stringify({ status: 'failed', message: error.message, stack: error.stack }, null, 2) + '\n');
  process.exitCode = 1;
});