"""Exercise the standalone samples and current report component using loopback only."""
from pathlib import Path
import base64
import functools
import http.server
import json
import subprocess
import tempfile
import threading
import time
from urllib.parse import quote, urlparse
from urllib.request import urlopen
import websocket

ROOT=Path(__file__).resolve().parents[1]
WORK=ROOT/'docs/workshop-skill-local-acceptance-20261109'
OUT=WORK/'browser'
OUT.mkdir(exist_ok=True)
class Handler(http.server.SimpleHTTPRequestHandler):
    def log_message(self,*args): pass
    def do_GET(self):
        p=urlparse(self.path).path
        if not p.startswith(('/src/','/lib/','/docs/workshop-skill-local-acceptance-20261109/')):
            self.send_error(404);return
        super().do_GET()
    def list_directory(self,path): self.send_error(404);return None
server=http.server.ThreadingHTTPServer(('127.0.0.1',0),functools.partial(Handler,directory=str(ROOT)))
thread=threading.Thread(target=server.serve_forever,daemon=True);thread.start()
base='http://127.0.0.1:'+str(server.server_port)
profile=Path(tempfile.mkdtemp(prefix='ksf-local-browser-'))
edge=Path('C:/Program Files (x86)/Microsoft/Edge/Application/msedge.exe')
proc=subprocess.Popen([str(edge),'--headless=new','--disable-gpu','--remote-debugging-port=0','--disable-background-networking','--disable-component-update','--disable-sync','--disable-extensions','--no-first-run','--no-default-browser-check','--user-data-dir='+str(profile),'about:blank'],stdout=subprocess.DEVNULL,stderr=subprocess.DEVNULL,creationflags=subprocess.CREATE_NO_WINDOW)
seq=0;ws=None;errors=[];network=[]
try:
    deadline=time.monotonic()+20
    while not (profile/'DevToolsActivePort').exists():
        assert time.monotonic()<deadline and proc.poll() is None
        time.sleep(.1)
    port=(profile/'DevToolsActivePort').read_text().splitlines()[0]
    page=next(x for x in json.load(urlopen('http://127.0.0.1:'+port+'/json/list',timeout=5)) if x['type']=='page')
    ws=websocket.create_connection(page['webSocketDebuggerUrl'],timeout=30,suppress_origin=True,http_no_proxy=['127.0.0.1','localhost'])
    def call(method,params=None):
        global seq
        seq+=1;rid=seq;ws.send(json.dumps({'id':rid,'method':method,'params':params or {}}))
        while True:
            msg=json.loads(ws.recv())
            if msg.get('id')==rid:
                assert 'error' not in msg,msg
                return msg.get('result',{})
            if msg.get('method')=='Runtime.exceptionThrown':errors.append(msg['params'])
            if msg.get('method')=='Network.requestWillBeSent':network.append(msg['params']['request']['url'])
    def ev(code,await_promise=False):
        r=call('Runtime.evaluate',{'expression':code,'returnByValue':True,'awaitPromise':await_promise})
        assert 'exceptionDetails' not in r,r
        return r['result'].get('value')
    def wait(code):
        return ev('new Promise((resolve,reject)=>{const end=Date.now()+18000;const tick=()=>{try{if('+code+'){resolve(true);return;}}catch{}if(Date.now()>end)reject(new Error("local page timeout"));else setTimeout(tick,70)};tick()})',True)
    def settle():return ev('new Promise(r=>requestAnimationFrame(()=>requestAnimationFrame(r)))',True)
    def shot(name):
        (OUT/(name+'.png')).write_bytes(base64.b64decode(call('Page.captureScreenshot',{'format':'png','captureBeyondViewport':False})['data']))
    call('Page.enable');call('Runtime.enable');call('Network.enable');call('Network.setBlockedURLs',{'urls':['https://*']})
    preview=base+'/docs/workshop-skill-local-acceptance-20261109/'+quote('工作坊成果与回复样张.html')
    call('Page.navigate',{'url':preview});wait('document.querySelectorAll("#steps button").length===13')
    preview_checks=[];report_checks=[]
    for width,height,name in [(1440,1000,'desktop'),(390,844,'mobile')]:
        call('Emulation.setDeviceMetricsOverride',{'width':width,'height':height,'deviceScaleFactor':1,'mobile':width<500});settle()
        for index in range(13):
            if width<500:
                ev(f'(()=>{{const s=document.querySelector("#mobile-stage");s.value="{index}";s.dispatchEvent(new Event("change",{{bubbles:true}}));}})()')
            else:
                ev(f'document.querySelectorAll("#steps button")[{index}].click()')
            settle()
            reply=ev('({mode:document.querySelector("#reply-mode").getAttribute("aria-pressed"),finding:document.querySelector(".finding p").innerText,tableRows:document.querySelectorAll("#report-body tbody tr").length})')
            assert reply['mode']=='true' and reply['finding'] and reply['tableRows']>0,reply
            ev('document.querySelector("#report-mode").click()');settle()
            r=ev('({id:OUT[selected].id,width:innerWidth,scroll:document.documentElement.scrollWidth,sections:document.querySelectorAll("#report-body .report-section").length,expected:OUT[selected].sections.length,minBodyFont:Math.min(...[...document.querySelectorAll("#report-body td,#report-body p")].map(e=>parseFloat(getComputedStyle(e).fontSize))),tables:document.querySelectorAll("#report-body table").length})')
            assert r['scroll']<=width and r['sections']==r['expected'] and r['minBodyFont']>=14,r
            preview_checks.append({'viewport':name,**r})
            if index in (0,10):ev('scrollTo(0,document.querySelector("#sample").getBoundingClientRect().top+scrollY-12)');settle();shot('preview-'+name+'-'+r['id'])
        for target in ['real','checks']:
            ev(f'document.querySelector("#tab-{target}").click()');settle()
            assert ev('document.documentElement.scrollWidth')<=width
            assert ev(f'!document.querySelector("#{target}").hidden')
            if target=='real':ev('scrollTo(0,0)');settle();shot('real-rewrite-'+name)
        ev('document.querySelector("#tab-samples").click()')
    # Exercise the existing application report component with the local public-board projection.
    call('Page.navigate',{'url':base+'/docs/workshop-skill-local-acceptance-20261109/report-render-harness.html'})
    wait('window.localReady===true')
    samples=json.loads((WORK/'sample-outputs.json').read_text(encoding='utf-8'))['outputs']
    for width,height,name in [(1440,1000,'desktop'),(390,844,'mobile')]:
        call('Emulation.setDeviceMetricsOverride',{'width':width,'height':height,'deviceScaleFactor':1,'mobile':width<500});settle()
        for m in samples:
            ev('window.localSet('+json.dumps(m['artifactId'])+')',True);settle()
            result=ev('(()=>{const v=document.querySelector("view-report");function walk(n){if(n.nodeType===3)return n.parentElement?.getClientRects().length?n.textContent:"";if(n.nodeType===1&&(n.matches("style,script,noscript,[hidden]")||getComputedStyle(n).display==="none"))return "";return [...n.childNodes].map(walk).join(" ")+(n.shadowRoot?walk(n.shadowRoot):"");}const r=v.shadowRoot;return {text:walk(r),tables:r.querySelectorAll("table").length,sections:r.querySelectorAll("article.ch").length,width:innerWidth,scroll:document.documentElement.scrollWidth};})()')
            for s in m['sections']:
                assert s['title'] in result['text'],(name,m['id'],s['title'],result['text'][:600])
                if s['kind']=='table':
                    for row in s['data']['rows']:
                        for cell in row:assert cell in result['text'],(name,m['id'],cell)
                else:assert s['text'] in result['text'],(name,m['id'],s['title'])
            assert result['scroll']<=width,(name,m['id'],result['scroll'])
            report_checks.append({'viewport':name,'moduleId':m['id'],'tables':result['tables'],'chapters':result['sections'],'width':width,'scrollWidth':result['scroll'],'allSectionContentRendered':True})
            if m['id'] in ('D1-01','D2-06'):ev('scrollTo(0,0)');settle();shot('current-report-'+name+'-'+m['id'])
    external=[u for u in network if u.startswith(('http://','https://')) and not u.startswith(base+'/')]
    assert not external,external
    assert not errors,errors
    result={'ok':True,'previewModuleViewportChecks':len(preview_checks),'currentRendererModuleViewportChecks':len(report_checks),'preview':preview_checks,'currentRenderer':report_checks,'tabsAndReplyReportSwitchesVerified':True,'mobileWidth':390,'desktopWidth':1440,'allPreviewBodyTextAtLeast14px':True,'externalRequests':external,'browserExceptions':errors,'scope':'loopback static files and local in-memory board data; no production requests or writes'}
    (WORK/'browser-acceptance.json').write_text(json.dumps(result,ensure_ascii=False,indent=2)+'\n',encoding='utf-8')
    print(json.dumps({k:result[k] for k in ['ok','previewModuleViewportChecks','currentRendererModuleViewportChecks','externalRequests','browserExceptions']},ensure_ascii=False))
finally:
    if ws:ws.close()
    proc.terminate()
    try:proc.wait(timeout=10)
    except subprocess.TimeoutExpired:proc.kill()
    server.shutdown();server.server_close()