import { test, expect } from '@playwright/test';
import { getMobileDevices } from '../../../utils/devices';
import { networkConfigs } from '../../../config/network-configs';
import { MobilePerformanceMonitor } from '../../../utils/MobilePerformanceMonitor';
import { MobileTestDataGenerator } from '../../../utils/MobileTestDataGenerator';

test.describe('移动端性能测试 @mobile @performance', () => {
  const devices = getMobileDevices().slice(0, 3);
  const networkTypes = ['wifi-fast', '4g-lte', '3g-fast', '2g-slow'] as const;
  
  for (const device of devices) {
    for (const network of networkTypes) {
      test(`${device.name} - ${networkConfigs[network].name} - 首屏加载性能`, async ({ page }) => {
        await page.setViewportSize(device.viewport);
        
        await page.goto('/');
        await page.waitForLoadState('networkidle');
        
        const monitor = new MobilePerformanceMonitor(page);
        const vitals = await monitor.getCoreWebVitals();
        
        const baseline = MobileTestDataGenerator.generatePerformanceBaseline(device.name, network);
        
        expect(vitals.LCP).toBeLessThan(baseline.LCP);
        expect(vitals.FCP).toBeLessThan(baseline.FCP);
        expect(vitals.CLS).toBeLessThan(baseline.CLS);
      });
    }
  }
  
  test('移动端 - 交互响应性能', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 667 });
    await page.goto('/');
    
    const monitor = new MobilePerformanceMonitor(page);
    const vitals = await monitor.getCoreWebVitals();
    
    expect(vitals.FCP).toBeLessThan(2000);
    expect(vitals.LCP).toBeLessThan(3000);
    expect(vitals.CLS).toBeLessThan(0.25);
  });
  
  test('移动端 - 页面资源加载性能', async ({ page }) => {
    await page.setViewportSize({ width: 390, height: 844 });
    await page.goto('/');
    
    const resources = await page.evaluate(() => {
      return performance.getEntriesByType('resource').map(r => ({
        name: r.name,
        duration: r.duration,
        size: r.transferSize,
      }));
    });
    
    const largeResources = resources.filter(r => r.size > 100000);
    expect(largeResources.length).toBeLessThan(5);
  });
  
  test('移动端 - JavaScript 执行性能', async ({ page }) => {
    await page.setViewportSize({ width: 414, height: 896 });
    await page.goto('/');
    
    const jsMetrics = await page.evaluate(() => {
      return {
        totalTasks: performance.getEntriesByType('measure').length,
        longTasks: performance.getEntriesByType('measure').filter((m: any) => m.duration > 50).length,
      };
    });
    
    expect(jsMetrics.longTasks).toBeLessThan(10);
  });
});