/**
 * Electron 冒烟验证：以 ELECTRON_SMOKE_TEST=1 启动应用（不弹窗），
 * 主进程会依次校验 preload 桥接、渲染进程挂载、登录页 DOM、
 * IPC 往返、IndexedDB 缓存读写、断网回退缓存，然后自动退出。
 *
 * 前置条件：已执行 npm run build（需要 dist/main 与 dist/renderer）。
 */
import { spawn } from 'node:child_process';
import fs from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import electronPath from 'electron';

const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
const required = [path.join(root, 'dist/main/index.js'), path.join(root, 'dist/renderer/index.html')];
const missing = required.filter((file) => !fs.existsSync(file));

if (missing.length > 0) {
  console.error('[smoke] 缺少构建产物，请先执行构建：');
  console.error('  pnpm --filter @classhelper/desktop-client build');
  for (const file of missing) console.error(`  缺失: ${path.relative(root, file)}`);
  process.exit(2);
}

console.log('[smoke] 启动 Electron 冒烟验证...\n');

// 未显式指定时自动探测后端：可达则启用联网集成 + 侧边栏点击测试
let online = process.env.ELECTRON_SMOKE_ONLINE;
if (online === undefined) {
  online = '0';
  try {
    const controller = new AbortController();
    const timer = setTimeout(() => controller.abort(), 2500);
    const response = await fetch('http://127.0.0.1:4000/api/health', { signal: controller.signal });
    clearTimeout(timer);
    online = response.ok ? '1' : '0';
  } catch {
    online = '0';
  }
  console.log(
    online === '1'
      ? '[smoke] 检测到后端在线，将执行联网集成与侧边栏点击测试'
      : '[smoke] 后端未在线，仅执行本地检查（离线缓存/界面渲染）；如需联网测试请先启动 pnpm dev:server',
  );
}

const child = spawn(electronPath, ['.'], {
  cwd: root,
  stdio: 'inherit',
  env: { ...process.env, ELECTRON_SMOKE_TEST: '1', ELECTRON_SMOKE_ONLINE: online },
});

child.on('exit', (code) => {
  console.log(`\n[smoke] Electron 退出，code=${code ?? 1}`);
  process.exit(code ?? 1);
});