const fs = require('fs');
const path = require('path');
const { chromium } = require('playwright');

const ROOT = path.resolve(__dirname, '..');
const PROFILE = path.join(ROOT, 'diagnostics', 'erp-playwright-profile');
const RUN_ID = new Date().toISOString().replace(/[-:T.Z]/g, '').slice(0, 14);
const RUN_DIR = path.join(ROOT, 'diagnostics', 'single-team-test', `run-${RUN_ID}`);
const LOG_FILE = path.join(RUN_DIR, 'run.log');

const ORDER = {
  product: '遇见老挝',
  departureDate: '2026-07-12',
  pax: { adult: 2, childBed: 1, childNoBed: 1, infant: 0, leader: 0 },
  rooms: { SGL: 0, TWN: 0, TRP: 0, DBL: 2, HNM: 0, TL: 0 },
  prices: { adult: 500, childBed: 200, childNoBed: 100, infant: 0, leader: 0 },
  op: '测试',
  sales: '琳琳',
};

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

function log(message, data) {
  const line = `[${new Date().toISOString()}] ${message}${data === undefined ? '' : ` ${JSON.stringify(data)}`}`;
  fs.appendFileSync(LOG_FILE, `${line}\n`, 'utf8');
  console.log(line);
}

async function saveShot(page, name) {
  const file = path.join(RUN_DIR, `${name}.png`);
  await page.screenshot({ path: file, fullPage: false });
  log('screenshot', { file });
}

async function getText(page) {
  return await page.locator('body').innerText({ timeout: 5000 }).catch(() => '');
}

async function waitForLogin(page) {
  await page.goto('https://ltjt.yunzhi.run/System/Mainlt.asp', { waitUntil: 'domcontentloaded', timeout: 30000 });
  for (;;) {
    const url = page.url().toLowerCase();
    const body = await getText(page);
    if (!url.includes('login') && (body.includes('业务操作') || body.includes('独立团计划表') || body.includes('首页'))) {
      log('login-ok', { url: page.url(), title: await page.title() });
      return;
    }
    log('waiting-login', { url: page.url(), title: await page.title() });
    await saveShot(page, 'waiting-login');
    await page.waitForTimeout(3000);
  }
}

async function countAndClick(page, selector, label) {
  const locator = page.locator(selector);
  const count = await locator.count();
  log('locator-count', { label, selector, count });
  if (count !== 1) throw new Error(`${label} locator count ${count}: ${selector}`);
  await locator.click({ timeout: 10000 });
}

async function main() {
  log('run-start', { runDir: RUN_DIR, order: ORDER });
  const context = await chromium.launchPersistentContext(PROFILE, {
    headless: false,
    viewport: { width: 1920, height: 1000 },
    acceptDownloads: true,
    downloadsPath: path.join(RUN_DIR, 'downloads'),
  });
  const page = context.pages()[0] || await context.newPage();
  page.setDefaultTimeout(12000);

  try {
    await waitForLogin(page);
    await page.goto('https://ltjt.yunzhi.run/System/Business/orders.asp', {
      waitUntil: 'domcontentloaded',
      timeout: 30000,
    });
    await page.waitForTimeout(1500);
    await saveShot(page, 'orders-list');

    await countAndClick(page, 'input[type="button"][value="下单"]', 'single-order-button');
    await page.waitForTimeout(1500);
    await saveShot(page, 'after-click-single-order');

    const body = await getText(page);
    log('after-click-body-snippet', body.slice(0, 1000));
    log('manual-checkpoint', {
      message: 'Single-order form opened. Automation paused here until field selectors are confirmed.',
      runDir: RUN_DIR,
    });
  } catch (error) {
    log('error', { message: error.message, stack: error.stack });
    await saveShot(page, 'error');
    throw error;
  } finally {
    log('leaving-browser-open', { runDir: RUN_DIR });
    await new Promise(() => {});
  }
}

main().catch((error) => {
  console.error(error);
  process.exit(1);
});