import { execFileSync } from 'node:child_process';
import process from 'node:process';

const suffix = `${process.pid}`;
const webImage = `a-share-analysis-web:verify-${suffix}`;
const serverImage = `a-share-analysis-server:verify-${suffix}`;
const network = `a-share-analysis-verify-${suffix}`;
const redis = `a-share-analysis-verify-redis-${suffix}`;
const api = `a-share-analysis-verify-api-${suffix}`;
const web = `a-share-analysis-verify-web-${suffix}`;
const containers = [web, api, redis];

function docker(args, options = {}) {
  return execFileSync('docker', args, {
    cwd: process.cwd(),
    encoding: 'utf8',
    stdio: options.capture ? ['ignore', 'pipe', 'pipe'] : 'inherit',
  });
}

function waitForContainerCommand(container, command, description) {
  let lastError;
  for (let attempt = 0; attempt < 30; attempt += 1) {
    try {
      docker(['exec', container, ...command], { capture: true });
      return;
    } catch (error) {
      lastError = error;
      Atomics.wait(new Int32Array(new SharedArrayBuffer(4)), 0, 0, 200);
    }
  }
  throw new Error(`${description} 未在 6 秒内就绪：${String(lastError?.stderr ?? '')}`);
}

try {
  docker(['build', '--file', 'web/Dockerfile', '--tag', webImage, '.']);
  docker(['build', '--file', 'server/Dockerfile', '--tag', serverImage, '.']);

  const serverUser = docker(['image', 'inspect', serverImage, '--format', '{{.Config.User}}'], {
    capture: true,
  }).trim();
  if (serverUser !== 'node') throw new Error(`Server 镜像必须使用 node 用户，实际 ${serverUser}`);

  for (const entry of ['api', 'scheduler', 'worker']) {
    docker(
      ['run', '--rm', '--entrypoint', 'test', serverImage, '-f', `/app/dist/apps/${entry}/main.js`],
      { capture: true },
    );
  }

  docker(['network', 'create', network], { capture: true });
  docker(['run', '--detach', '--name', redis, '--network', network, 'redis:7.4.8-alpine3.21'], {
    capture: true,
  });
  docker(
    [
      'run',
      '--detach',
      '--name',
      api,
      '--network',
      network,
      '--network-alias',
      'api',
      '--env',
      'APP_ENV=production',
      '--env',
      'LOG_LEVEL=error',
      '--env',
      'API_HOST=0.0.0.0',
      '--env',
      'API_PORT=3000',
      '--env',
      `REDIS_HOST=${redis}`,
      '--env',
      'REDIS_PORT=6379',
      '--env',
      'REDIS_USERNAME=',
      '--env',
      'REDIS_PASSWORD=',
      '--env',
      'REDIS_DATABASE=0',
      '--env',
      'REDIS_TLS=false',
      '--env',
      'MYSQL_ENABLED=false',
      '--env',
      'MYSQL_HOST=127.0.0.1',
      '--env',
      'MYSQL_PORT=3306',
      '--env',
      'MYSQL_DATABASE=a_share_analysis_dev',
      '--env',
      'MYSQL_USERNAME=',
      '--env',
      'MYSQL_PASSWORD=',
      '--env',
      'MYSQL_CHARSET=utf8mb4',
      '--env',
      'MYSQL_COLLATION=utf8mb4_general_ci',
      '--env',
      'MYSQL_TIMEZONE=+08:00',
      '--env',
      'AI_ENABLED=false',
      '--env',
      'AI_BASE_URL=',
      '--env',
      'AI_API_KEY=',
      '--env',
      'AI_MODEL=',
      '--env',
      'AI_TIMEOUT_MS=30000',
      serverImage,
    ],
    { capture: true },
  );
  docker(['run', '--detach', '--name', web, '--network', network, webImage], {
    capture: true,
  });

  waitForContainerCommand(
    api,
    [
      'node',
      '-e',
      "fetch('http://127.0.0.1:3000/api/v1/health').then(r=>{if(r.status!==200)process.exit(1)})",
    ],
    'API 健康检查',
  );
  waitForContainerCommand(web, ['wget', '-q', '-O', '/dev/null', 'http://127.0.0.1/'], 'Web 首页');
  waitForContainerCommand(
    web,
    ['wget', '-q', '-O', '/dev/null', 'http://127.0.0.1/api/v1/health'],
    'Web 到 API 的 Nginx 代理',
  );

  process.stdout.write('Docker 镜像、非 root 用户、三进程入口与 Web/API 链路验证通过\n');
} finally {
  for (const container of containers) {
    try {
      docker(['rm', '--force', container], { capture: true });
    } catch {
      // 容器未创建时保持清理幂等。
    }
  }
  try {
    docker(['network', 'rm', network], { capture: true });
  } catch {
    // 网络未创建或已自动移除时无需报错。
  }
  for (const image of [webImage, serverImage]) {
    try {
      docker(['image', 'rm', '--force', image], { capture: true });
    } catch {
      // 构建中断、镜像尚未产生时保持清理幂等。
    }
  }
}