import pathlib,subprocess,datetime,shutil,time,urllib.request,urllib.parse,hashlib,json,sqlite3
base=pathlib.Path('/www/dk_project/dk_app/trilium')
release=pathlib.Path('/tmp/trilium-korean-phase3')
manifest=json.loads((release/'manifest.json').read_text())
digest=lambda p:hashlib.sha256(p.read_bytes()).hexdigest()
for rel,expected in manifest['files'].items():
 assert digest(release/rel)==expected,rel
assert digest(base/'patched/main.cjs')==manifest['previousMainSha256'],'Main changed since inspection'
assert digest(base/'patched/ko.js')==manifest['previousCalendarSha256'],'Calendar changed since inspection'
assert not (base/'data/korean-notes-pending.json').exists()
compose=base/'docker-compose.yml';before=compose.read_text()
anchor='      - ./patched/main.cjs:/usr/src/app/main.cjs:ro'
assert anchor in before
mount='      - ./i18n_ko/doc_notes/en:/usr/src/app/assets/doc_notes/en:ro'
assert mount not in before,'Help mount already exists'
assert not (base/'i18n_ko/doc_notes/en').exists(),'Target already exists'
stamp=datetime.datetime.now().strftime('%Y%m%d-%H%M%S')
backup=base/'backups'/('before-korean-phase3-'+stamp);backup.mkdir(parents=True,mode=0o700)
for rel in ['patched/main.cjs','patched/ko.js','docker-compose.yml']:
 dst=backup/rel;dst.parent.mkdir(parents=True,exist_ok=True);shutil.copy2(base/rel,dst)
source=sqlite3.connect('file:'+str(base/'data/document.db')+'?mode=ro',uri=True)
with sqlite3.connect(str(backup/'document.db')) as target:source.backup(target)
source.close()
subprocess.run(['docker','cp','trilium:/usr/src/app/assets/doc_notes/en',str(backup/'original-help-en')],check=True)
shutil.copytree(release/'doc_notes/en',base/'i18n_ko/doc_notes/en')
prefix='http://127.0.0.1:18082/assets/v0.95.0-ko-20260913-r3/'
try:
 (base/'patched/main.cjs').write_bytes((release/'main.cjs').read_bytes())
 (base/'patched/ko.js').write_bytes((release/'ko.js').read_bytes())
 compose.write_text(before.replace(anchor,anchor+'\n'+mount))
 subprocess.run(['docker','compose','-f',str(compose),'config','--quiet'],check=True)
 subprocess.run(['docker','compose','-f',str(compose),'up','-d','--no-deps','trilium'],check=True)
 for attempt in range(40):
  try:
   with urllib.request.urlopen('http://127.0.0.1:18082/api/health-check',timeout=2) as response:assert response.status==200
   break
  except Exception:
   if attempt==39:raise
   time.sleep(1)
 checked=0
 for rel,expected in manifest['files'].items():
  if not rel.startswith('doc_notes/'):continue
  with urllib.request.urlopen(prefix+urllib.parse.quote(rel),timeout=5) as response:
   assert hashlib.sha256(response.read()).hexdigest()==expected,rel
  checked+=1
 with urllib.request.urlopen(prefix+'src/ko.js',timeout=5) as response:
  assert hashlib.sha256(response.read()).hexdigest()==manifest['files']['ko.js']
 meta=json.loads((release/'doc_notes/en/User Guide/!!!meta.json').read_text())
 db=sqlite3.connect('file:'+str(base/'data/document.db')+'?mode=ro',uri=True)
 titles=[]
 def verify(items):
  for item in items:
   row=db.execute('SELECT title FROM notes WHERE noteId=? AND isDeleted=0',(item['id'],)).fetchone()
   assert row and row[0]==item['title'],item['id']
   titles.append(item['id']);verify(item.get('children',[]))
 verify(meta);db.close()
 result={'status':'verified','backup':str(backup),'servedHelpFiles':checked,'helpTitles':len(titles),'assetVersion':'v0.95.0-ko-20260913-r3'}
 (base/'i18n_ko/phase3-result.json').write_text(json.dumps(result,indent=2))
 print(json.dumps(result))
except Exception:
 for rel in ['patched/main.cjs','patched/ko.js','docker-compose.yml']:(base/rel).write_bytes((backup/rel).read_bytes())
 subprocess.run(['docker','compose','-f',str(compose),'up','-d','--no-deps','trilium'],check=True)
 print('Previous application files restored. Database backup retained at '+str(backup))
 raise