/**
 * 端到端演示录制：登录 → 6 步评估向导 → 评估详情页。
 *
 * 产出：
 *  - docs/demo/NN-*.png   关键步骤截图（deviceScaleFactor=2，高清）
 *  - docs/demo/walkthrough.webm  全程操作录像（Playwright 原生录制）
 *
 * 运行：node scripts/demo-record.mjs
 */
import { chromium } from 'playwright';
import fs from 'node:fs';
import path from 'node:path';

const ROOT = '/Users/freedak/Documents/AIDashboard/RiskAgent';
const SHOTS = path.join(ROOT, 'docs/demo');
const VIDEO_DIR = path.join(SHOTS, 'video');
const BASE = 'http://localhost:5173';
const W = 1440;
const H = 900;

fs.mkdirSync(SHOTS, { recursive: true });
fs.mkdirSync(VIDEO_DIR, { recursive: true });

let n = 0;
async function shot(page, label) {
  n += 1;
  const name = `${String(n).padStart(2, '0')}-${label}.png`;
  await page.screenshot({ path: path.join(SHOTS, name) });
  console.log('📸', name);
}

async function expandAll(page) {
  for (let i = 0; i < 15; i += 1) {
    const collapsed = page.locator('button[aria-expanded="false"]');
    const c = await collapsed.count();
    if (c === 0) break;
    try {
      await collapsed.first().click({ timeout: 5000 });
    } catch {
      break;
    }
    await page.waitForTimeout(150);
  }
}

(async () => {
  const browser = await chromium.launch({ headless: true });
  const context = await browser.newContext({
    viewport: { width: W, height: H },
    deviceScaleFactor: 2,
    locale: 'zh-CN',
    recordVideo: { dir: VIDEO_DIR, size: { width: W, height: H } },
  });
  const page = await context.newPage();
  page.setDefaultTimeout(120000);
  const video = page.video();

  // ---------- 登录 ----------
  await page.goto(BASE, { waitUntil: 'networkidle' });
  await page.waitForTimeout(800);
  const userBox = page.getByPlaceholder('请输入用户名');
  if ((await userBox.count()) > 0) {
    await shot(page, 'login');
    await userBox.fill('销售账号');
    await page.getByPlaceholder('请输入密码').fill('123456');
    await page.getByRole('button', { name: '登录' }).click();
    await page.waitForLoadState('networkidle');
    await page.waitForTimeout(1200);
  }

  // ---------- 首页：评估历史 ----------
  await shot(page, 'dashboard');

  // ---------- 进入新建评估 ----------
  await page.getByRole('button', { name: /新建评估/ }).first().click();
  await page.getByText('① 立项信息').waitFor();
  await page.getByPlaceholder('如 某银行信用卡客服 BPO').fill('某全国性股份制银行信用卡中心客服外包项目');
  await page.getByPlaceholder('客户公司全称').fill('某全国性股份制商业银行信用卡中心');
  await page.locator('select').first().selectOption('上海');
  await page.waitForTimeout(300);
  await shot(page, 'step1-立项信息');
  await page.getByRole('button', { name: '下一步', exact: true }).click();

  // ---------- 步骤②：项目描述 ----------
  await page.getByText('② 项目描述').waitFor();
  const desc =
    '为客户信用卡中心提供电话客服与在线客服外包服务，采用业务/服务外包模式，坐席约 80 人，' +
    '7×12 小时三班排班；服务质量按接通率、平均处理时长与客户满意度考核；结算账期约 3 个月；' +
    '需符合金融数据安全与个人信息保护合规要求，涉及呼叫中心系统对接与驻场管理。';
  await page.locator('textarea').fill(desc);
  await page.waitForTimeout(300);
  await shot(page, 'step2-项目描述');
  await page.getByRole('button', { name: /识别业务类型|识别中/ }).click();

  // ---------- 步骤③：业务类型确认（LLM 分类） ----------
  await page.getByText('③ 业务类型确认').waitFor({ timeout: 120000 });
  await page.waitForTimeout(600);
  await shot(page, 'step3-业务确认-LLM分类');
  await page.getByRole('button', { name: /补全指标|加载指标中/ }).click();

  // ---------- 步骤④：指标补全（LLM 预填） ----------
  await page.getByText('④ 指标补全', { exact: false }).waitFor({ timeout: 120000 });
  await page.waitForTimeout(800);
  await shot(page, 'step4-指标补全-LLM预填');
  await page.getByRole('button', { name: /费用输入/ }).click();

  // ---------- 步骤⑤：报价与成本 ----------
  await page.getByText('⑤ 报价与成本').waitFor();
  await page.getByPlaceholder('如 运维工程师').fill('信用卡客服坐席');
  await page.getByPlaceholder('10', { exact: true }).fill('80');
  await page.getByPlaceholder('10000', { exact: true }).fill('6000');
  await page.getByPlaceholder('默认=工资', { exact: true }).fill('6000');
  await page.getByPlaceholder('0', { exact: true }).fill('500');
  await page.getByPlaceholder('如 16000', { exact: true }).fill('11000');
  await page.waitForTimeout(300);
  await shot(page, 'step5-报价与成本');
  await page.getByRole('button', { name: /运行风险与盈利评估|评估运行中/ }).click();

  // ---------- 评估详情页 ----------
  await page.waitForURL(/\/assessments\/[^/]+$/, { timeout: 180000 });
  await page.waitForLoadState('networkidle');
  await page.waitForTimeout(2000);
  await shot(page, 'detail-顶部结论');

  // 等待 AI 综合研判（异步 LLM），最多 ~25s
  for (let i = 0; i < 25; i += 1) {
    if ((await page.getByText(/综合研判|综合意见|AI 综合/).count()) > 0) break;
    await page.waitForTimeout(1000);
  }
  await expandAll(page);
  await page.waitForTimeout(800);

  // 逐屏滚动截图，覆盖全部分区
  await page.evaluate(() => window.scrollTo(0, 0));
  const totalH = await page.evaluate(() => document.body.scrollHeight);
  const stepY = H - 140;
  for (let y = stepY; y < totalH; y += stepY) {
    await page.evaluate((yy) => window.scrollTo(0, yy), y);
    await page.waitForTimeout(450);
    await shot(page, 'detail-分区');
    if (n > 22) break;
  }

  await context.close();
  await browser.close();

  const vp = await video.path();
  const dest = path.join(SHOTS, 'walkthrough.webm');
  fs.renameSync(vp, dest);
  console.log('🎬 video saved:', dest);
  console.log('✅ done, screenshots:', n);
})().catch((e) => {
  console.error('FAILED:', e);
  process.exit(1);
});