/**
 * 住院临床分析页（/analysis/clinical）验收测试。
 * 与 user-flows.spec.ts 一致的鉴权策略：addInitScript 注入 cbpoa_token，
 * 用 page.route 拦截 /api/**，对 inpatient-clinical 返回合法小样本，其余返回 {}。
 */
import { test, expect, Page } from '@playwright/test';
import { TESTIDS } from '../src/utils/testids';

const CLINICAL_FIXTURE = {
  kpis: {
    total_admissions: 5822,
    median_los_days: 4,
    cure_rate: 0.991,
    emergency_admit_ratio: 0.47,
  },
  los_histogram: [
    { bin_label: '1-2', count: 1200 },
    { bin_label: '3-4', count: 2100 },
    { bin_label: '5-7', count: 1500 },
  ],
  los_by_disease: [
    { diagnosis: '肺炎', p25: 3, median: 5, p75: 7, n: 800 },
    { diagnosis: '支气管炎', p25: 2, median: 4, p75: 6, n: 600 },
  ],
  outcome_counts: [
    { outcome: '治愈', count: 3474 },
    { outcome: '好转', count: 2298 },
    { outcome: '其他', count: 35 },
    { outcome: '未愈', count: 12 },
    { outcome: '死亡', count: 3 },
  ],
  admission_route_counts: [
    { route: '急诊', count: 2700 },
    { route: '门诊', count: 3122 },
  ],
  bmi_by_age_band: [
    { age_band: '0-2', p25: 14, median: 16, p75: 18, n: 400 },
    { age_band: '3-6', p25: 15, median: 17, p75: 19, n: 500 },
  ],
};

async function seedAuthAndMockApi(page: Page) {
  await page.addInitScript(() => {
    localStorage.setItem('cbpoa_token', 'e2e-test-token');
  });

  await page.route('/api/**', (route) => {
    const url = route.request().url();

    if (url.includes('/stats/inpatient-clinical')) {
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(CLINICAL_FIXTURE),
      });
      return;
    }

    // 其余接口返回空对象，本页不依赖。
    route.fulfill({
      status: 200,
      contentType: 'application/json',
      body: JSON.stringify({}),
    });
  });
}

test.describe('住院临床分析页', () => {
  test.beforeEach(async ({ page }) => {
    await seedAuthAndMockApi(page);
  });

  test('deep-link /analysis/clinical mounts page-clinical + clinical-kpis', async ({ page }) => {
    await page.goto('/analysis/clinical');
    await expect(page.locator(`[data-testid="${TESTIDS.pageClinical}"]`)).toBeVisible();
    await expect(page.locator(`[data-testid="${TESTIDS.clinicalKpis}"]`)).toBeVisible();
  });

  test('no horizontal scroll at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/analysis/clinical');
    await expect(page.locator(`[data-testid="${TESTIDS.pageClinical}"]`)).toBeVisible();
    await expect(page.locator(`[data-testid="${TESTIDS.clinicalKpis}"]`)).toBeVisible();

    const noHorizontalScroll = await page.evaluate(
      () => document.documentElement.scrollWidth <= document.documentElement.clientWidth
    );
    expect(noHorizontalScroll).toBe(true);
  });
});