#!/usr/bin/env node
'use strict';

// 零依赖冒烟测试：拉起真实服务（随机端口），全量核对端点行为后关停。
// 安全边界：只做只读请求 + 无副作用 POST（校验失败类、空操作）；
// 绝不触碰 DELETE /api/reports/data、/api/crawl/start、/api/open-folder、
// /api/image/test、/api/chat/test，也不在数据湖有主体时调用 /api/reports/ask。
// 用法：node scripts/smoke.js

const { spawn } = require('child_process');
const net = require('net');
const http = require('http');
const path = require('path');

const ROOT = path.resolve(__dirname, '..');

function pickPort() {
  return new Promise((resolve, reject) => {
    const srv = net.createServer();
    srv.unref();
    srv.on('error', reject);
    srv.listen(0, '127.0.0.1', () => {
      const port = srv.address().port;
      srv.close(() => resolve(port));
    });
  });
}

function request(port, method, urlPath, body) {
  return new Promise((resolve, reject) => {
    const req = http.request({
      host: '127.0.0.1', port, method, path: urlPath, timeout: 15000,
      headers: body !== undefined ? { 'Content-Type': 'application/json' } : {},
    }, (res) => {
      const chunks = [];
      res.on('data', (c) => chunks.push(c));
      res.on('end', () => resolve({
        status: res.statusCode,
        headers: res.headers,
        text: Buffer.concat(chunks).toString('utf8'),
        json: () => JSON.parse(Buffer.concat(chunks).toString('utf8')),
      }));
    });
    req.on('error', reject);
    req.on('timeout', () => req.destroy(new Error('timeout')));
    if (body !== undefined) req.write(JSON.stringify(body));
    req.end();
  });
}

const results = [];
async function check(name, fn) {
  try {
    await fn();
    results.push({ name, ok: true });
  } catch (e) {
    results.push({ name, ok: false, error: e.message });
  }
}

function expect(cond, msg) {
  if (!cond) throw new Error(msg);
}

async function waitForHealth(port, timeoutMs = 20000) {
  const start = Date.now();
  for (;;) {
    try {
      const res = await request(port, 'GET', '/healthz');
      if (res.status === 200) return;
    } catch { /* not up yet */ }
    if (Date.now() - start > timeoutMs) throw new Error('服务未在超时内启动');
    await new Promise((r) => setTimeout(r, 300));
  }
}

function enc(s) { return encodeURIComponent(s); }

async function main() {
  const port = await pickPort();
  const child = spawn(process.execPath, [path.join(ROOT, 'server.js')], {
    env: { ...process.env, PORT: String(port), HOST: '127.0.0.1' },
    stdio: ['ignore', 'pipe', 'pipe'],
  });
  let bootLog = '';
  child.stdout.on('data', (c) => { bootLog += c; });
  child.stderr.on('data', (c) => { bootLog += c; });

  try {
    await waitForHealth(port);
    let workspaceRoot = '';
    {
      const res = await request(port, 'GET', '/api/default-root');
      workspaceRoot = res.json().root;
    }
    const encRoot = enc(workspaceRoot);
    const b64Root = Buffer.from(workspaceRoot, 'utf8').toString('base64url');

    // ---- 基础与健康 ----
    await check('GET /healthz', async () => {
      const r = await request(port, 'GET', '/healthz');
      expect(r.status === 200 && r.json().ok === true, `status=${r.status}`);
    });
    await check('GET /readyz', async () => {
      const r = await request(port, 'GET', '/readyz');
      const j = r.json();
      expect(r.status === 200 && typeof j.ok === 'boolean' && typeof j.workspaceReady === 'boolean', `status=${r.status}`);
    });
    await check('GET /api/default-root', async () => {
      const r = await request(port, 'GET', '/api/default-root');
      expect(r.status === 200 && !!r.json().root, `status=${r.status}`);
    });

    // ---- 设置域 ----
    await check('GET /api/models', async () => {
      const r = await request(port, 'GET', '/api/models');
      const j = r.json();
      expect(r.status === 200 && Array.isArray(j.models) && j.models.length >= 5 && !!j.default, `status=${r.status}`);
    });
    await check('GET /api/settings（脱敏）', async () => {
      const r = await request(port, 'GET', '/api/settings');
      const j = r.json();
      expect(r.status === 200 && typeof j.rootDir === 'string' && typeof j.port === 'number', `status=${r.status}`);
      expect(!j.apiKey || j.apiKey.includes('••••'), 'apiKey 未脱敏');
    });
    await check('POST /api/settings 非法 pageSize → 400', async () => {
      const r = await request(port, 'POST', '/api/settings', { pageSize: 9999 });
      expect(r.status === 400, `status=${r.status}`);
    });
    await check('POST /api/settings 非法 delayMs → 400', async () => {
      const r = await request(port, 'POST', '/api/settings', { delayMs: -5 });
      expect(r.status === 400, `status=${r.status}`);
    });

    // ---- 采集域 ----
    await check('GET /api/session', async () => {
      const r = await request(port, 'GET', '/api/session');
      expect(r.status === 200 && typeof r.json().cookieConfigured === 'boolean', `status=${r.status}`);
    });
    await check('GET /api/shops（base64url root）', async () => {
      const r = await request(port, 'GET', `/api/shops?root=${b64Root}`);
      expect(r.status === 200 && Array.isArray(r.json().shops), `status=${r.status}`);
    });
    await check('GET /api/shops 非法 root → 403', async () => {
      const bad = Buffer.from('/tmp/elsewhere', 'utf8').toString('base64url');
      const r = await request(port, 'GET', `/api/shops?root=${bad}`);
      expect(r.status === 403, `status=${r.status}`);
    });
    await check('GET /api/scan', async () => {
      const r = await request(port, 'GET', `/api/scan?root=${encRoot}`);
      const j = r.json();
      expect(r.status === 200 && Array.isArray(j.shops), `status=${r.status}`);
    });
    await check('GET /api/crawl/status', async () => {
      const r = await request(port, 'GET', '/api/crawl/status');
      expect(r.status === 200 && typeof r.json().status === 'string', `status=${r.status}`);
    });
    await check('POST /api/crawl/stop（空操作）', async () => {
      const r = await request(port, 'POST', '/api/crawl/stop');
      expect(r.status === 200 && r.json().ok === true, `status=${r.status}`);
    });

    // ---- 生成/任务/历史域 ----
    await check('GET /api/tasks', async () => {
      const r = await request(port, 'GET', '/api/tasks');
      const j = r.json();
      expect(r.status === 200 && j.summary && Array.isArray(j.tasks), `status=${r.status}`);
    });
    await check('GET /api/job/未知ID → 404', async () => {
      const r = await request(port, 'GET', '/api/job/00000000-0000-0000-0000-000000000000');
      expect(r.status === 404, `status=${r.status}`);
    });
    await check('GET /api/creations', async () => {
      const r = await request(port, 'GET', `/api/creations?root=${encRoot}&limit=5`);
      const j = r.json();
      expect(r.status === 200 && typeof j.total === 'number' && Array.isArray(j.items), `status=${r.status}`);
    });
    await check('GET /files 越界 → 403', async () => {
      const r = await request(port, 'GET', `/files?path=${enc('/etc/passwd')}`);
      expect(r.status === 403, `status=${r.status}`);
    });
    await check('GET /files 缺参 → 400', async () => {
      const r = await request(port, 'GET', '/files');
      expect(r.status === 400, `status=${r.status}`);
    });

    // ---- 日志 ----
    await check('GET /api/logs', async () => {
      const r = await request(port, 'GET', '/api/logs');
      expect(r.status === 200 && Array.isArray(r.json().logs), `status=${r.status}`);
    });
    await check('POST /api/logs/clear', async () => {
      const r = await request(port, 'POST', '/api/logs/clear');
      expect(r.status === 200 && r.json().ok === true, `status=${r.status}`);
    });

    // ---- 数据报表域 ----
    await check('GET /api/reports/status（不限方法 GET）', async () => {
      const r = await request(port, 'GET', '/api/reports/status');
      expect(r.status === 200 && r.json().napos, `status=${r.status}`);
    });
    await check('POST /api/reports/status（不限方法 POST）', async () => {
      const r = await request(port, 'POST', '/api/reports/status');
      expect(r.status === 200, `status=${r.status}`);
    });
    await check('GET /api/reports/columns', async () => {
      const r = await request(port, 'GET', '/api/reports/columns');
      expect(r.status === 200 && Array.isArray(r.json().columns) && r.json().columns.length >= 10, `status=${r.status}`);
    });
    await check('GET /api/reports/entities', async () => {
      const r = await request(port, 'GET', '/api/reports/entities');
      expect(r.status === 200 && Array.isArray(r.json().entities), `status=${r.status}`);
    });
    await check('GET /api/reports/sync/status', async () => {
      const r = await request(port, 'GET', '/api/reports/sync/status');
      expect(r.status === 200 && typeof r.json().running === 'boolean', `status=${r.status}`);
    });
    await check('GET /api/reports/syncs', async () => {
      const r = await request(port, 'GET', '/api/reports/syncs');
      expect(r.status === 200 && Array.isArray(r.json().runs), `status=${r.status}`);
    });
    await check('GET /api/reports/daily', async () => {
      const r = await request(port, 'GET', '/api/reports/daily');
      expect(r.status === 200, `status=${r.status}`);
    });
    await check('GET /api/reports/aggregate', async () => {
      const r = await request(port, 'GET', '/api/reports/aggregate');
      expect(r.status === 200, `status=${r.status}`);
    });
    await check('GET /api/reports/export → CSV', async () => {
      const r = await request(port, 'GET', '/api/reports/export');
      expect(r.status === 200 && /text\/csv/.test(r.headers['content-type'] || ''), `status=${r.status}`);
    });
    await check('GET /api/reports/report-html → HTML', async () => {
      const r = await request(port, 'GET', '/api/reports/report-html');
      expect(r.status === 200 && /text\/html/.test(r.headers['content-type'] || ''), `status=${r.status}`);
    });
    await check('POST /api/reports/ask（有主体时跳过）', async () => {
      const ent = await request(port, 'GET', '/api/reports/entities');
      if (ent.json().entities.length > 0) return; // 有主体会真调对话模型，跳过
      const r = await request(port, 'POST', '/api/reports/ask', { q: 'test' });
      expect(r.status === 400 && r.json().code === 'ASK_NO_ENTITY', `status=${r.status}`);
    });

    // ---- 静态与路由行为 ----
    for (const p of ['/', '/index.html', '/app.js', '/crawl.js', '/gen.js', '/history.js', '/tasks.js', '/reports.js', '/style.css', '/vendor/echarts.min.js']) {
      await check(`静态 ${p}`, async () => {
        const r = await request(port, 'GET', p);
        expect(r.status === 200, `status=${r.status}`);
      });
    }
    await check('GET /no-such-path → 404', async () => {
      const r = await request(port, 'GET', '/no-such-path');
      expect(r.status === 404, `status=${r.status}`);
    });
    await check('DELETE /api/settings → 405', async () => {
      const r = await request(port, 'DELETE', '/api/settings');
      expect(r.status === 405, `status=${r.status}`);
    });

    // ---- 优雅停机（SIGTERM 后应自行退出） ----
    await check('SIGTERM 优雅停机', async () => {
      process.kill(child.pid, 'SIGTERM');
      const exited = await new Promise((resolve) => {
        const t = setTimeout(() => resolve(false), 8000);
        child.on('exit', () => { clearTimeout(t); resolve(true); });
      });
      expect(exited, 'SIGTERM 后 8 秒内未退出');
    });
  } catch (e) {
    results.push({ name: '（测试执行中断）', ok: false, error: e.message });
  } finally {
    try { child.kill('SIGKILL'); } catch { /* already dead */ }
  }

  const failed = results.filter((r) => !r.ok);
  console.log('\n========== 冒烟测试结果 ==========');
  for (const r of results) {
    console.log(`${r.ok ? '✓' : '✗'} ${r.name}${r.ok ? '' : '  ← ' + r.error}`);
  }
  console.log(`\n通过 ${results.length - failed.length}/${results.length}`);
  if (failed.length) {
    console.log('\n服务启动日志（末尾 500 字）：');
    console.log(bootLog.slice(-500));
    process.exit(1);
  }
}

main().catch((e) => {
  console.error('冒烟脚本自身异常:', e);
  process.exit(1);
});