"""Isolated Chromium smoke of shipped standalone theme comparison; no real server."""
import asyncio,json
from pathlib import Path
from playwright.async_api import async_playwright
ROOT=Path(__file__).resolve().parents[1];REPORT=ROOT/'reports/v833';REPORT.mkdir(parents=True,exist_ok=True)
async def main():
 async with async_playwright() as p:
  browser=await p.chromium.launch(headless=True,executable_path='/usr/bin/chromium',args=['--no-sandbox','--disable-dev-shm-usage'])
  records=[]
  for device,width in (('desktop',1365),('phone',390)):
   page=await browser.new_page(viewport={'width':width,'height':850},device_scale_factor=1)
   errs=[];page.on('pageerror',lambda e:errs.append(str(e)))
   html=(ROOT/'examples/V8_33_五套主题真实页面_离线交互预览.html').read_text(encoding='utf-8')
   await page.set_content(html,wait_until='load',timeout=60000)
   await page.select_option('#theme','trade-pro')
   await page.select_option('#page','product')
   await page.frame_locator('#preview').locator('.sf-tp-product-hero').wait_for(state='visible',timeout=12000)
   await page.wait_for_timeout(1600)
   if device=='phone':await page.locator('[data-width="390px"]').click()
   title=await page.title()
   count=await page.frame_locator('#preview').locator('.pro-trade-pro').count()
   overflow=await page.evaluate('document.documentElement.scrollWidth>window.innerWidth')
   img=REPORT/f'trade-pro-{device}.png'
   await page.screenshot(path=str(img),full_page=True)
   assert count>0,(device,'theme body missing')
   assert not overflow,(device,'overflow')
   assert not errs,(device,errs)
   records.append({'device':device,'width':width,'theme_body_found':count,'horizontal_overflow':overflow,'script_errors':errs,'screenshot':str(img.relative_to(ROOT))})
   await page.close()
  await browser.close()
  (REPORT/'browser-results.json').write_text(json.dumps(records,ensure_ascii=False,indent=2),encoding='utf-8')
  print('Chromium PASS:', records)
if __name__=='__main__':asyncio.run(main())