/**
 * 综合概览大屏 (/overview) 验收测试。
 *
 * 与 user-flows.spec.ts 一致：用 addInitScript 注入 cbpoa_token 绕过登录门，
 * page.route 拦截 /api/** 使套件 hermetic（无需 :8000）。/wuhan_districts.geojson
 * 走真实静态资源（dev server 提供），由 Leaflet 取用。
 */
import { test, expect, Page } from '@playwright/test';
import { TESTIDS } from '../src/utils/testids';

/** 13 区里造两条数据，断言 choropleth 能着色、toggle 能切换。 */
function districtPayload() {
  return {
    districts: [
      { district: '武昌区', outpatient: 120, inpatient: 30, total: 150, outpatient_ratio: 0.8, inpatient_ratio: 0.2 },
      { district: '江岸', outpatient: 60, inpatient: 10, total: 70, outpatient_ratio: 0.86, inpatient_ratio: 0.14 },
    ],
    total: 220,
  };
}

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();

    const json = (body: unknown) =>
      route.fulfill({ status: 200, contentType: 'application/json', body: JSON.stringify(body) });

    if (url.includes('/alerts')) {
      return json({ alerts: [], total: 0 });
    }
    if (url.includes('/cases/stats')) {
      return json({
        total_outpatient: 1000,
        total_inpatient: 200,
        date_range: { start: '2023-01-01', end: '2023-12-01' },
        top_districts: [],
        top_diagnoses: [
          { diagnosis: '上呼吸道感染', outpatient: 300, inpatient: 40 },
          { diagnosis: '肺炎', outpatient: 120, inpatient: 80 },
        ],
      });
    }
    if (url.includes('/cases/trend')) {
      return json({
        trend: [
          { date: '2023-11-01', outpatient: 10, inpatient: 2, total: 12 },
          { date: '2023-11-02', outpatient: 14, inpatient: 3, total: 17 },
        ],
        summary: {
          total_outpatient: 24,
          total_inpatient: 5,
          period_count: 2,
          avg_daily_outpatient: 12,
          avg_daily_inpatient: 2.5,
        },
      });
    }
    if (url.includes('/cases/districts')) {
      return json(districtPayload());
    }
    if (url.includes('/risk/stats')) {
      return json({ high_risk_count: 7, total_grids: 100, avg_risk: 0.4 });
    }
    if (url.includes('/environment/pollutants')) {
      return json({ data: [{ date: '2023-11-01', AQI: 80 }, { date: '2023-11-02', AQI: 95 }] });
    }

    return json({ data: [], items: [], total: 0 });
  });
}

test.describe('Overview 大屏', () => {
  test.use({ viewport: { width: 1280, height: 900 } });

  test.beforeEach(async ({ page }) => {
    await seedAuthAndMockApi(page);
  });

  test('renders kpi-row, choropleth, as-of badge and metric toggle', async ({ page }) => {
    await page.goto('/overview');

    await expect(page.locator(`[data-testid="${TESTIDS.pageOverview}"]`)).toBeVisible();
    await expect(page.locator(`[data-testid="${TESTIDS.kpiRow}"]`)).toBeVisible();
    await expect(page.locator(`[data-testid="${TESTIDS.choroplethWrapper}"]`)).toBeVisible();

    // Literal honesty badge — exact text.
    const badge = page.locator(`[data-testid="${TESTIDS.asofBadge}"]`);
    await expect(badge).toBeVisible();
    await expect(badge).toHaveText('数据截至2023-12');
  });

  test('门诊/住院 toggle switches active segment without error', async ({ page }) => {
    await page.goto('/overview');
    await expect(page.locator(`[data-testid="${TESTIDS.choroplethWrapper}"]`)).toBeVisible();

    const outBtn = page.locator(`[data-testid="${TESTIDS.outinpatientToggle}-outpatient"]`);
    const inBtn = page.locator(`[data-testid="${TESTIDS.outinpatientToggle}-inpatient"]`);
    const allBtn = page.locator(`[data-testid="${TESTIDS.outinpatientToggle}-all"]`);

    // Default: 全部 active (primary background).
    await expect(allBtn).toHaveClass(/bg-primary/);

    await outBtn.click();
    await expect(outBtn).toHaveClass(/bg-primary/);
    await expect(allBtn).not.toHaveClass(/bg-primary/);

    await inBtn.click();
    await expect(inBtn).toHaveClass(/bg-primary/);
    await expect(outBtn).not.toHaveClass(/bg-primary/);

    // Wrapper still mounted after toggling — no render crash.
    await expect(page.locator(`[data-testid="${TESTIDS.choroplethWrapper}"]`)).toBeVisible();
  });
});