from pathlib import Path
from playwright.sync_api import sync_playwright
import json
with sync_playwright() as p:
 b=p.chromium.launch(headless=True,args=['--no-sandbox'])
 page=b.new_page(ignore_https_errors=True);errors=[];page.on('pageerror',lambda e:errors.append(str(e)))
 script=Path('/tmp/translate_ui.js').read_text()
 page.route('**/model-manager.js',lambda r:r.fulfill(status=200,content_type='application/javascript',body=script))
 captured=[]
 def respond(r):
  captured.append(r.request.post_data_json)
  event={'choices':[{'index':0,'delta':{'content':'Test translation'},'finish_reason':None}]}
  r.fulfill(status=200,content_type='text/event-stream',body='data: '+json.dumps(event)+'\n\ndata: [DONE]\n\n')
 page.route('**/v1/chat/completions',respond)
 page.goto('https://see7-astheral.hf.space/',wait_until='networkidle',timeout=30000)
 for name in ['German','French','Spanish','Italian','Portuguese']:
  page.get_by_label('Target language',exact=True).select_option(name)
  area=page.locator('textarea').filter(visible=True).first
  area.fill('Good morning.')
  page.get_by_role('button',name='Send',exact=True).click()
  page.wait_for_timeout(500)
  assert captured[-1]['model']=='SEE7/AstheralTranslate'
  assert captured[-1]['messages'][-1]['content'].startswith('[Target: '+name+']')
 page.reload(wait_until='networkidle')
 assert page.get_by_label('Target language',exact=True).input_value()=='Portuguese'
 print('PASS: all five target selections, correct model routing, persisted selection; browser errors',errors,flush=True)
 b.close()